====================================== | [ 9.776048] ------------[ cut here ]------------ | [ 9.776332] refcount_t: underflow; use-after-free. | [ 9.776643] WARNING: CPU: 0 PID: 69 at lib/refcount.c:28 refcount_warn_saturate (lib/refcount.c:28 (discriminator 3)) | [ 9.777123] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 9.777900] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9.778503] Workqueue: netns cleanup_net [ 9.778772] RIP: 0010:refcount_warn_saturate (lib/refcount.c:28 (discriminator 3)) [ 9.779102] Code: 0b 90 90 c3 cc cc cc cc 80 3d 69 d4 67 01 00 0f 85 75 ff ff ff c6 05 5c d4 67 01 01 90 48 c7 c7 b8 37 b3 b9 e8 a1 26 b4 ff 90 <0f> 0b 90 90 c3 cc cc cc cc 80 3d 3c d4 67 01 00 0f 85 4a ff ff ff All code ======== 0: 0b 90 90 c3 cc cc or -0x33333c70(%rax),%edx 6: cc int3 7: cc int3 8: 80 3d 69 d4 67 01 00 cmpb $0x0,0x167d469(%rip) # 0x167d478 f: 0f 85 75 ff ff ff jne 0xffffffffffffff8a 15: c6 05 5c d4 67 01 01 movb $0x1,0x167d45c(%rip) # 0x167d478 1c: 90 nop 1d: 48 c7 c7 b8 37 b3 b9 mov $0xffffffffb9b337b8,%rdi 24: e8 a1 26 b4 ff call 0xffffffffffb426ca 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: c3 ret 2f: cc int3 30: cc int3 31: cc int3 32: cc int3 33: 80 3d 3c d4 67 01 00 cmpb $0x0,0x167d43c(%rip) # 0x167d476 3a: 0f 85 4a ff ff ff jne 0xffffffffffffff8a Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: c3 ret 5: cc int3 6: cc int3 7: cc int3 8: cc int3 9: 80 3d 3c d4 67 01 00 cmpb $0x0,0x167d43c(%rip) # 0x167d44c 10: 0f 85 4a ff ff ff jne 0xffffffffffffff60 [ 9.780083] RSP: 0018:ffffaa568026bd78 EFLAGS: 00010286 [ 9.780376] RAX: 0000000000000000 RBX: ffff952cc1d04000 RCX: 00000000ffffdfff [ 9.780792] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 9.781215] RBP: ffff952cc1d04610 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 9.781618] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc1d04000 [ 9.782011] R13: ffffaa568026be08 R14: ffff952cc1d04b80 R15: ffff952cc39f1750 [ 9.782412] FS: 0000000000000000(0000) GS:ffff952cfec00000(0000) knlGS:0000000000000000 [ 9.782906] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9.783246] CR2: 00007fff9ffa6588 CR3: 0000000002808002 CR4: 0000000000770ef0 [ 9.783632] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9.784046] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9.784456] PKRU: 55555554 [ 9.784649] Call Trace: [ 9.784818] <TASK> [ 9.784987] ? __warn (kernel/panic.c:677) [ 9.785221] ? refcount_warn_saturate (lib/refcount.c:28 (discriminator 3)) [ 9.785508] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 9.785739] ? handle_bug (arch/x86/kernel/traps.c:238) [ 9.785982] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 9.786220] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 9.786498] ? refcount_warn_saturate (lib/refcount.c:28 (discriminator 3)) [ 9.786782] ? refcount_warn_saturate (lib/refcount.c:28 (discriminator 3)) [ 9.787043] br_sysfs_delbr (net/bridge/br_sysfs_br.c:1086) [ 9.787281] br_dev_delete (net/bridge/br_if.c:396) [ 9.787509] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 9.787825] cleanup_net (net/core/net_namespace.c:630) [ 9.788045] ? process_one_work (kernel/workqueue.c:2606) [ 9.788289] process_one_work (kernel/workqueue.c:2633) [ 9.788562] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 9.788808] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 9.789100] kthread (kernel/kthread.c:388) [ 9.789306] ? __pfx_kthread (kernel/kthread.c:341) [ 9.789531] ret_from_fork (arch/x86/kernel/process.c:147) [ 9.789765] ? __pfx_kthread (kernel/kthread.c:341) [ 9.790000] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 9.792805] ------------[ cut here ]------------ | [ 9.793084] sysfs group 'bridge' not found for kobject 'br0' | [ 9.793432] WARNING: CPU: 0 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 9.793920] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 9.794737] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9.795373] Workqueue: netns cleanup_net [ 9.795618] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 9.795910] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 9.796891] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 9.797178] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 9.797583] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 9.798032] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 9.798441] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc1d04610 [ 9.798835] R13: ffffaa568026be08 R14: ffff952cc1d04b80 R15: ffff952cc39f1750 [ 9.799231] FS: 0000000000000000(0000) GS:ffff952cfec00000(0000) knlGS:0000000000000000 [ 9.799672] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9.800032] CR2: 00007fff9ffa6588 CR3: 0000000002808002 CR4: 0000000000770ef0 [ 9.800436] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9.800841] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9.801281] PKRU: 55555554 [ 9.801458] Call Trace: [ 9.801616] <TASK> [ 9.801783] ? __warn (kernel/panic.c:677) [ 9.802005] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 9.802283] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 9.802514] ? handle_bug (arch/x86/kernel/traps.c:238) [ 9.802745] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 9.803024] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 9.803299] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 9.803571] br_dev_delete (net/bridge/br_if.c:396) [ 9.803810] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 9.804073] cleanup_net (net/core/net_namespace.c:630) [ 9.804313] ? process_one_work (kernel/workqueue.c:2606) [ 9.804568] process_one_work (kernel/workqueue.c:2633) [ 9.804851] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 9.805078] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 9.805351] kthread (kernel/kthread.c:388) [ 9.805568] ? __pfx_kthread (kernel/kthread.c:341) [ 9.805778] ret_from_fork (arch/x86/kernel/process.c:147) [ 9.805969] ? __pfx_kthread (kernel/kthread.c:341) [ 9.806196] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 9.915972] ------------[ cut here ]------------ | [ 9.916381] sysfs group 'bridge' not found for kobject 'br0' | [ 9.916892] WARNING: CPU: 0 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 9.917551] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 9.918792] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9.919716] Workqueue: netns cleanup_net [ 9.920091] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 9.920539] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 9.922011] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 9.922452] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 9.923072] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 9.923707] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 9.924312] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc1d02610 [ 9.924909] R13: ffffaa568026be08 R14: ffff952cc1d02b80 R15: ffff952cc3960050 [ 9.925527] FS: 0000000000000000(0000) GS:ffff952cfec00000(0000) knlGS:0000000000000000 [ 9.926220] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9.926739] CR2: 00007fff9ffa6588 CR3: 0000000036460003 CR4: 0000000000770ef0 [ 9.927325] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9.927941] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9.928569] PKRU: 55555554 [ 9.928846] Call Trace: [ 9.929084] <TASK> [ 9.929306] ? __warn (kernel/panic.c:677) [ 9.929608] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 9.930016] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 9.930363] ? handle_bug (arch/x86/kernel/traps.c:238) [ 9.930646] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 9.931013] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 9.931423] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 9.931809] br_dev_delete (net/bridge/br_if.c:396) [ 9.932151] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 9.932504] cleanup_net (net/core/net_namespace.c:630) [ 9.932818] ? process_one_work (kernel/workqueue.c:2606) [ 9.933151] process_one_work (kernel/workqueue.c:2633) [ 9.933532] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 9.933946] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 9.934335] kthread (kernel/kthread.c:388) [ 9.934628] ? __pfx_kthread (kernel/kthread.c:341) [ 9.934983] ret_from_fork (arch/x86/kernel/process.c:147) [ 9.935337] ? __pfx_kthread (kernel/kthread.c:341) [ 9.935735] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 9.940088] ------------[ cut here ]------------ | [ 9.940511] sysfs group 'bridge' not found for kobject 'br0' | [ 9.941178] WARNING: CPU: 1 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 9.942569] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 9.944857] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9.946216] Workqueue: netns cleanup_net [ 9.946625] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 9.947066] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 9.948867] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 9.949486] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 9.950334] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 9.951261] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 9.951986] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc21be610 [ 9.952762] R13: ffffaa568026be08 R14: ffff952cc21beb80 R15: ffff952cc3960050 [ 9.953547] FS: 0000000000000000(0000) GS:ffff952cfec80000(0000) knlGS:0000000000000000 [ 9.954442] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9.954976] CR2: 00007ffec19cbb88 CR3: 0000000002a78001 CR4: 0000000000770ef0 [ 9.955590] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9.956203] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9.956755] PKRU: 55555554 [ 9.956903] Call Trace: [ 9.957046] <TASK> [ 9.957175] ? __warn (kernel/panic.c:677) [ 9.957407] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 9.957631] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 9.957962] ? handle_bug (arch/x86/kernel/traps.c:238) [ 9.958232] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 9.958434] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 9.958664] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 9.958884] br_dev_delete (net/bridge/br_if.c:396) [ 9.959075] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 9.959441] cleanup_net (net/core/net_namespace.c:630) [ 9.959771] ? process_one_work (kernel/workqueue.c:2606) [ 9.960160] process_one_work (kernel/workqueue.c:2633) [ 9.960513] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 9.960719] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 9.961040] kthread (kernel/kthread.c:388) [ 9.961332] ? __pfx_kthread (kernel/kthread.c:341) [ 9.961539] ret_from_fork (arch/x86/kernel/process.c:147) [ 9.961856] ? __pfx_kthread (kernel/kthread.c:341) [ 9.962225] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 10.073835] ------------[ cut here ]------------ | [ 10.074341] sysfs group 'bridge' not found for kobject 'br0' | [ 10.074911] WARNING: CPU: 1 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 10.075529] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 10.076358] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 10.076954] Workqueue: netns cleanup_net [ 10.077275] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 10.077716] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 10.079035] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 10.079532] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 10.080249] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 10.080903] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 10.081563] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc1d06610 [ 10.082178] R13: ffffaa568026be08 R14: ffff952cc1d06b80 R15: ffff952cc2b60050 [ 10.082856] FS: 0000000000000000(0000) GS:ffff952cfec80000(0000) knlGS:0000000000000000 [ 10.083589] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 10.084144] CR2: 00007ffec19cbb88 CR3: 0000000036460003 CR4: 0000000000770ef0 [ 10.084804] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 10.085457] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 10.086093] PKRU: 55555554 [ 10.086346] Call Trace: [ 10.086562] <TASK> [ 10.086778] ? __warn (kernel/panic.c:677) [ 10.087073] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 10.087472] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 10.087808] ? handle_bug (arch/x86/kernel/traps.c:238) [ 10.088139] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 10.088497] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 10.088857] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 10.089268] br_dev_delete (net/bridge/br_if.c:396) [ 10.089585] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 10.090015] cleanup_net (net/core/net_namespace.c:630) [ 10.090346] ? process_one_work (kernel/workqueue.c:2606) [ 10.090712] process_one_work (kernel/workqueue.c:2633) [ 10.091047] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 10.091393] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 10.091823] kthread (kernel/kthread.c:388) [ 10.092141] ? __pfx_kthread (kernel/kthread.c:341) [ 10.092478] ret_from_fork (arch/x86/kernel/process.c:147) [ 10.092717] ? __pfx_kthread (kernel/kthread.c:341) [ 10.092913] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 18.075093] ------------[ cut here ]------------ | [ 18.075530] sysfs group 'bridge' not found for kobject 'br0' | [ 18.076156] WARNING: CPU: 3 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 18.076957] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 18.078394] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 18.079528] Workqueue: netns cleanup_net [ 18.079947] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 18.080382] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 18.082037] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 18.082498] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 18.083152] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 18.083522] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 18.083917] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc2a64610 [ 18.084276] R13: ffffaa568026be08 R14: ffff952cc2a64b80 R15: ffff952cc2b61750 [ 18.084636] FS: 0000000000000000(0000) GS:ffff952cfed80000(0000) knlGS:0000000000000000 [ 18.085047] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 18.085340] CR2: 00007f6fd5622000 CR3: 0000000036460003 CR4: 0000000000770ef0 [ 18.085711] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 18.086071] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 18.086429] PKRU: 55555554 [ 18.086572] Call Trace: [ 18.086713] <TASK> [ 18.086831] ? __warn (kernel/panic.c:677) [ 18.087004] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 18.087221] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 18.087416] ? handle_bug (arch/x86/kernel/traps.c:238) [ 18.087600] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 18.087809] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 18.088033] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 18.088249] br_dev_delete (net/bridge/br_if.c:396) [ 18.088440] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 18.088680] cleanup_net (net/core/net_namespace.c:630) [ 18.088872] ? process_one_work (kernel/workqueue.c:2606) [ 18.089091] process_one_work (kernel/workqueue.c:2633) [ 18.089302] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 18.089499] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 18.089731] kthread (kernel/kthread.c:388) [ 18.089900] ? __pfx_kthread (kernel/kthread.c:341) [ 18.090096] ret_from_fork (arch/x86/kernel/process.c:147) [ 18.090286] ? __pfx_kthread (kernel/kthread.c:341) [ 18.090481] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 18.182838] ------------[ cut here ]------------ | [ 18.183329] sysfs group 'bridge' not found for kobject 'br0' | [ 18.183841] WARNING: CPU: 2 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 18.184580] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 18.185994] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 18.187063] Workqueue: netns cleanup_net [ 18.187277] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 18.187572] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 18.188673] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 18.188982] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 18.189594] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 18.190143] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 18.190760] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc1ff6610 [ 18.191368] R13: ffffaa568026be08 R14: ffff952cc1ff6b80 R15: ffff952cc2b60050 [ 18.191900] FS: 0000000000000000(0000) GS:ffff952cfed00000(0000) knlGS:0000000000000000 [ 18.192599] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 18.193088] CR2: 00007f50e4dc4000 CR3: 0000000036460002 CR4: 0000000000770ef0 [ 18.193684] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 18.194330] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 18.194989] PKRU: 55555554 [ 18.195226] Call Trace: [ 18.195451] <TASK> [ 18.195662] ? __warn (kernel/panic.c:677) [ 18.195974] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 18.196361] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 18.196733] ? handle_bug (arch/x86/kernel/traps.c:238) [ 18.197057] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 18.197420] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 18.197764] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 18.197984] br_dev_delete (net/bridge/br_if.c:396) [ 18.198229] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 18.198467] cleanup_net (net/core/net_namespace.c:630) [ 18.198668] ? process_one_work (kernel/workqueue.c:2606) [ 18.198893] process_one_work (kernel/workqueue.c:2633) [ 18.199120] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 18.199449] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 18.199787] kthread (kernel/kthread.c:388) [ 18.199957] ? __pfx_kthread (kernel/kthread.c:341) [ 18.200252] ret_from_fork (arch/x86/kernel/process.c:147) [ 18.200567] ? __pfx_kthread (kernel/kthread.c:341) [ 18.200935] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 18.205671] ------------[ cut here ]------------ | [ 18.206250] sysfs group 'bridge' not found for kobject 'br0' | [ 18.206760] WARNING: CPU: 3 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 18.207468] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 18.208707] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 18.209334] Workqueue: netns cleanup_net [ 18.209635] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 18.209930] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 18.211118] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 18.211422] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 18.212023] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 18.212686] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 18.213318] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc2a62610 [ 18.213956] R13: ffffaa568026be08 R14: ffff952cc2a62b80 R15: ffff952cc2b60050 [ 18.214630] FS: 0000000000000000(0000) GS:ffff952cfed80000(0000) knlGS:0000000000000000 [ 18.215350] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 18.215909] CR2: 00007f8175e35000 CR3: 0000000036460004 CR4: 0000000000770ef0 [ 18.216563] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 18.217215] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 18.217820] PKRU: 55555554 [ 18.218059] Call Trace: [ 18.218361] <TASK> [ 18.218648] ? __warn (kernel/panic.c:677) [ 18.218936] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 18.219329] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 18.219802] ? handle_bug (arch/x86/kernel/traps.c:238) [ 18.220181] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 18.220440] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 18.220684] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 18.220932] br_dev_delete (net/bridge/br_if.c:396) [ 18.221184] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 18.221414] cleanup_net (net/core/net_namespace.c:630) [ 18.221615] ? process_one_work (kernel/workqueue.c:2606) [ 18.221845] process_one_work (kernel/workqueue.c:2633) [ 18.222058] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 18.222255] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 18.222475] kthread (kernel/kthread.c:388) [ 18.222659] ? __pfx_kthread (kernel/kthread.c:341) [ 18.222855] ret_from_fork (arch/x86/kernel/process.c:147) [ 18.223046] ? __pfx_kthread (kernel/kthread.c:341) [ 18.223242] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 18.345855] ------------[ cut here ]------------ | [ 18.346108] sysfs group 'bridge' not found for kobject 'br0' | [ 18.346438] WARNING: CPU: 0 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 18.346901] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 18.347690] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 18.348278] Workqueue: netns cleanup_net [ 18.348509] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 18.348784] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 18.349739] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 18.350032] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 18.350413] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 18.350801] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 18.351166] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc552c610 [ 18.351556] R13: ffffaa568026be08 R14: ffff952cc552cb80 R15: ffff952cc2b62e50 [ 18.351972] FS: 0000000000000000(0000) GS:ffff952cfec00000(0000) knlGS:0000000000000000 [ 18.352398] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 18.352718] CR2: 00007f4ae298c000 CR3: 0000000036460004 CR4: 0000000000770ef0 [ 18.353098] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 18.353492] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 18.353885] PKRU: 55555554 [ 18.354052] Call Trace: [ 18.354195] <TASK> [ 18.354337] ? __warn (kernel/panic.c:677) [ 18.354558] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 18.354799] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 18.355011] ? handle_bug (arch/x86/kernel/traps.c:238) [ 18.355197] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 18.355419] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 18.355698] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 18.355934] br_dev_delete (net/bridge/br_if.c:396) [ 18.356145] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 18.356405] cleanup_net (net/core/net_namespace.c:630) [ 18.356620] ? process_one_work (kernel/workqueue.c:2606) [ 18.356874] process_one_work (kernel/workqueue.c:2633) [ 18.357109] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 18.357321] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 18.357567] kthread (kernel/kthread.c:388) [ 18.357781] ? __pfx_kthread (kernel/kthread.c:341) [ 18.357996] ret_from_fork (arch/x86/kernel/process.c:147) [ 18.358196] ? __pfx_kthread (kernel/kthread.c:341) [ 18.358418] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 26.109937] ------------[ cut here ]------------ | [ 26.110225] sysfs group 'bridge' not found for kobject 'br0' | [ 26.110593] WARNING: CPU: 0 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 26.111048] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 26.111905] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 26.112525] Workqueue: netns cleanup_net [ 26.112790] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 26.113092] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 26.114104] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 26.114401] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 26.114805] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 26.115226] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 26.115631] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc4bfc610 [ 26.116027] R13: ffffaa568026be08 R14: ffff952cc4bfcb80 R15: ffff952cc3890050 [ 26.116444] FS: 0000000000000000(0000) GS:ffff952cfec00000(0000) knlGS:0000000000000000 [ 26.116905] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 26.117223] CR2: 00007fff9ffa6588 CR3: 0000000002808004 CR4: 0000000000770ef0 [ 26.117601] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 26.117992] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 26.118387] PKRU: 55555554 [ 26.118555] Call Trace: [ 26.118714] <TASK> [ 26.118861] ? __warn (kernel/panic.c:677) [ 26.119066] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 26.119313] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 26.119525] ? handle_bug (arch/x86/kernel/traps.c:238) [ 26.119750] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 26.119989] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 26.120240] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 26.120478] br_dev_delete (net/bridge/br_if.c:396) [ 26.120710] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 26.120999] cleanup_net (net/core/net_namespace.c:630) [ 26.121236] ? process_one_work (kernel/workqueue.c:2606) [ 26.121479] process_one_work (kernel/workqueue.c:2633) [ 26.121732] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 26.121973] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 26.122232] kthread (kernel/kthread.c:388) [ 26.122425] ? __pfx_kthread (kernel/kthread.c:341) [ 26.122669] ret_from_fork (arch/x86/kernel/process.c:147) [ 26.122892] ? __pfx_kthread (kernel/kthread.c:341) [ 26.123118] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 26.226868] ------------[ cut here ]------------ | [ 26.227128] sysfs group 'bridge' not found for kobject 'br0' | [ 26.227454] WARNING: CPU: 0 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 26.227928] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 26.228708] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 26.229350] Workqueue: netns cleanup_net [ 26.229588] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 26.229904] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 26.230900] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 26.231216] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 26.231650] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 26.232066] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 26.232485] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc4bfe610 [ 26.232908] R13: ffffaa568026be08 R14: ffff952cc4bfeb80 R15: ffff952cc2b62e50 [ 26.233299] FS: 0000000000000000(0000) GS:ffff952cfec00000(0000) knlGS:0000000000000000 [ 26.233759] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 26.234102] CR2: 000055d5779cfdec CR3: 0000000036460003 CR4: 0000000000770ef0 [ 26.234517] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 26.234932] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 26.235310] PKRU: 55555554 [ 26.235481] Call Trace: [ 26.235677] <TASK> [ 26.235834] ? __warn (kernel/panic.c:677) [ 26.236023] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 26.236303] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 26.236531] ? handle_bug (arch/x86/kernel/traps.c:238) [ 26.236772] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 26.237010] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 26.237270] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 26.237506] br_dev_delete (net/bridge/br_if.c:396) [ 26.237745] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 26.238004] cleanup_net (net/core/net_namespace.c:630) [ 26.238211] ? process_one_work (kernel/workqueue.c:2606) [ 26.238463] process_one_work (kernel/workqueue.c:2633) [ 26.238735] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 26.238962] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 26.239208] kthread (kernel/kthread.c:388) [ 26.239404] ? __pfx_kthread (kernel/kthread.c:341) [ 26.239626] ret_from_fork (arch/x86/kernel/process.c:147) [ 26.239857] ? __pfx_kthread (kernel/kthread.c:341) [ 26.240095] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 26.242939] ------------[ cut here ]------------ | [ 26.243307] sysfs group 'bridge' not found for kobject 'br0' | [ 26.243849] WARNING: CPU: 3 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 26.244532] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 26.245811] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 26.246837] Workqueue: netns cleanup_net [ 26.247206] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 26.247631] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 26.249226] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 26.249700] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 26.250318] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 26.250982] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 26.251613] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc4bfa610 [ 26.252237] R13: ffffaa568026be08 R14: ffff952cc4bfab80 R15: ffff952cc2b62e50 [ 26.252860] FS: 0000000000000000(0000) GS:ffff952cfed80000(0000) knlGS:0000000000000000 [ 26.253539] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 26.253847] CR2: 00007ff83a3df000 CR3: 0000000036460004 CR4: 0000000000770ef0 [ 26.254315] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 26.254682] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 26.255042] PKRU: 55555554 [ 26.255188] Call Trace: [ 26.255321] <TASK> [ 26.255440] ? __warn (kernel/panic.c:677) [ 26.255707] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 26.256054] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 26.256382] ? handle_bug (arch/x86/kernel/traps.c:238) [ 26.256588] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 26.256798] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 26.257159] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 26.257506] br_dev_delete (net/bridge/br_if.c:396) [ 26.257870] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 26.258320] cleanup_net (net/core/net_namespace.c:630) [ 26.258720] ? process_one_work (kernel/workqueue.c:2606) [ 26.259196] process_one_work (kernel/workqueue.c:2633) [ 26.259628] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 26.260038] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 26.260446] kthread (kernel/kthread.c:388) [ 26.260779] ? __pfx_kthread (kernel/kthread.c:341) [ 26.261221] ret_from_fork (arch/x86/kernel/process.c:147) [ 26.261615] ? __pfx_kthread (kernel/kthread.c:341) [ 26.262024] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 26.380877] ------------[ cut here ]------------ | [ 26.381403] sysfs group 'bridge' not found for kobject 'br0' | [ 26.381981] WARNING: CPU: 2 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 26.382844] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 26.384403] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 26.385551] Workqueue: netns cleanup_net [ 26.385969] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 26.386468] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 26.388184] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 26.388638] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 26.389309] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 26.389933] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 26.390611] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc21be610 [ 26.391234] R13: ffffaa568026be08 R14: ffff952cc21beb80 R15: ffff952cc39f2e50 [ 26.391627] FS: 0000000000000000(0000) GS:ffff952cfed00000(0000) knlGS:0000000000000000 [ 26.392083] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 26.392463] CR2: 00007fff9ffa4c78 CR3: 0000000002808006 CR4: 0000000000770ef0 [ 26.393024] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 26.393445] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 26.393830] PKRU: 55555554 [ 26.393985] Call Trace: [ 26.394159] <TASK> [ 26.394412] ? __warn (kernel/panic.c:677) [ 26.394802] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 26.395228] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 26.395633] ? handle_bug (arch/x86/kernel/traps.c:238) [ 26.396114] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 26.396709] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 26.397326] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 26.397941] br_dev_delete (net/bridge/br_if.c:396) [ 26.398492] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 26.399129] cleanup_net (net/core/net_namespace.c:630) [ 26.399637] ? process_one_work (kernel/workqueue.c:2606) [ 26.400300] process_one_work (kernel/workqueue.c:2633) [ 26.400891] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 26.401508] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 26.402146] kthread (kernel/kthread.c:388) [ 26.402612] ? __pfx_kthread (kernel/kthread.c:341) [ 26.403173] ret_from_fork (arch/x86/kernel/process.c:147) [ 26.403722] ? __pfx_kthread (kernel/kthread.c:341) [ 26.404202] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 34.390849] ------------[ cut here ]------------ | [ 34.391250] sysfs group 'bridge' not found for kobject 'br0' | [ 34.391561] WARNING: CPU: 2 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 34.392089] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 34.393099] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 34.393692] Workqueue: netns cleanup_net [ 34.394007] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 34.394473] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 34.395909] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 34.396426] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 34.397120] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 34.397812] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 34.398558] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc4bfe610 [ 34.399216] R13: ffffaa568026be08 R14: ffff952cc4bfeb80 R15: ffff952cc2b62e50 [ 34.399882] FS: 0000000000000000(0000) GS:ffff952cfed00000(0000) knlGS:0000000000000000 [ 34.400671] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 34.401244] CR2: 00007f5e70d690e0 CR3: 00000000025ce003 CR4: 0000000000770ef0 [ 34.401917] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 34.402522] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 34.403136] PKRU: 55555554 [ 34.403364] Call Trace: [ 34.403614] <TASK> [ 34.403834] ? __warn (kernel/panic.c:677) [ 34.404127] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 34.404519] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 34.404876] ? handle_bug (arch/x86/kernel/traps.c:238) [ 34.405179] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 34.405568] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 34.405860] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 34.406085] br_dev_delete (net/bridge/br_if.c:396) [ 34.406314] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 34.406580] cleanup_net (net/core/net_namespace.c:630) [ 34.406789] ? process_one_work (kernel/workqueue.c:2606) [ 34.407013] process_one_work (kernel/workqueue.c:2633) [ 34.407236] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 34.407441] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 34.407681] kthread (kernel/kthread.c:388) [ 34.407859] ? __pfx_kthread (kernel/kthread.c:341) [ 34.408056] ret_from_fork (arch/x86/kernel/process.c:147) [ 34.408245] ? __pfx_kthread (kernel/kthread.c:341) [ 34.408440] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 34.507831] ------------[ cut here ]------------ | [ 34.508368] sysfs group 'bridge' not found for kobject 'br0' | [ 34.508942] WARNING: CPU: 2 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 34.509792] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 34.510838] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 34.511667] Workqueue: netns cleanup_net [ 34.512039] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 34.512291] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 34.513389] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 34.513863] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 34.514428] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 34.515004] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 34.515707] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc29c8610 [ 34.516421] R13: ffffaa568026be08 R14: ffff952cc29c8b80 R15: ffff952cc39f2e50 [ 34.517130] FS: 0000000000000000(0000) GS:ffff952cfed00000(0000) knlGS:0000000000000000 [ 34.517948] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 34.518587] CR2: 00007f5e70d690e0 CR3: 00000000025ce003 CR4: 0000000000770ef0 [ 34.519468] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 34.520235] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 34.520916] PKRU: 55555554 [ 34.521208] Call Trace: [ 34.521490] <TASK> [ 34.521742] ? __warn (kernel/panic.c:677) [ 34.522101] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 34.522493] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 34.522821] ? handle_bug (arch/x86/kernel/traps.c:238) [ 34.523153] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 34.523494] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 34.523937] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 34.524353] br_dev_delete (net/bridge/br_if.c:396) [ 34.524746] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 34.525237] cleanup_net (net/core/net_namespace.c:630) [ 34.525640] ? process_one_work (kernel/workqueue.c:2606) [ 34.525975] process_one_work (kernel/workqueue.c:2633) [ 34.526342] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 34.526662] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 34.527111] kthread (kernel/kthread.c:388) [ 34.527431] ? __pfx_kthread (kernel/kthread.c:341) [ 34.527806] ret_from_fork (arch/x86/kernel/process.c:147) [ 34.528144] ? __pfx_kthread (kernel/kthread.c:341) [ 34.528502] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 34.532579] ------------[ cut here ]------------ | [ 34.532833] sysfs group 'bridge' not found for kobject 'br0' | [ 34.533336] WARNING: CPU: 2 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 34.533777] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 34.534608] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 34.535544] Workqueue: netns cleanup_net [ 34.535933] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 34.536316] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 34.537733] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 34.538007] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 34.538536] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 34.539134] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 34.539764] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc4b82610 [ 34.540422] R13: ffffaa568026be08 R14: ffff952cc4b82b80 R15: ffff952cc39f2e50 [ 34.541153] FS: 0000000000000000(0000) GS:ffff952cfed00000(0000) knlGS:0000000000000000 [ 34.541991] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 34.542647] CR2: 00007f5e70d690e0 CR3: 00000000025ce003 CR4: 0000000000770ef0 [ 34.543376] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 34.544149] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 34.544956] PKRU: 55555554 [ 34.545229] Call Trace: [ 34.545546] <TASK> [ 34.545784] ? __warn (kernel/panic.c:677) [ 34.546125] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 34.546505] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 34.546710] ? handle_bug (arch/x86/kernel/traps.c:238) [ 34.546897] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 34.547206] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 34.547429] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 34.547650] br_dev_delete (net/bridge/br_if.c:396) [ 34.547850] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 34.548080] cleanup_net (net/core/net_namespace.c:630) [ 34.548375] ? process_one_work (kernel/workqueue.c:2606) [ 34.548690] process_one_work (kernel/workqueue.c:2633) [ 34.549061] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 34.549315] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 34.549550] kthread (kernel/kthread.c:388) [ 34.549837] ? __pfx_kthread (kernel/kthread.c:341) [ 34.550143] ret_from_fork (arch/x86/kernel/process.c:147) [ 34.550469] ? __pfx_kthread (kernel/kthread.c:341) [ 34.550793] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 34.664868] ------------[ cut here ]------------ | [ 34.665270] sysfs group 'bridge' not found for kobject 'br0' | [ 34.665789] WARNING: CPU: 2 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 34.666270] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 34.667512] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 34.668501] Workqueue: netns cleanup_net [ 34.668883] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 34.669294] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 34.670926] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 34.671373] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 34.672056] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 34.672674] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 34.673311] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc4b80610 [ 34.673963] R13: ffffaa568026be08 R14: ffff952cc4b80b80 R15: ffff952cc39f4550 [ 34.674585] FS: 0000000000000000(0000) GS:ffff952cfed00000(0000) knlGS:0000000000000000 [ 34.675316] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 34.675877] CR2: 00007f5e70d690e0 CR3: 00000000025ce003 CR4: 0000000000770ef0 [ 34.676488] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 34.677052] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 34.677688] PKRU: 55555554 [ 34.677925] Call Trace: [ 34.678141] <TASK> [ 34.678315] ? __warn (kernel/panic.c:677) [ 34.678621] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 34.678984] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 34.679282] ? handle_bug (arch/x86/kernel/traps.c:238) [ 34.679603] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 34.679953] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 34.680295] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 34.680674] br_dev_delete (net/bridge/br_if.c:396) [ 34.680994] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 34.681385] cleanup_net (net/core/net_namespace.c:630) [ 34.681623] ? process_one_work (kernel/workqueue.c:2606) [ 34.681855] process_one_work (kernel/workqueue.c:2633) [ 34.682113] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 34.682384] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 34.682661] kthread (kernel/kthread.c:388) [ 34.682969] ? __pfx_kthread (kernel/kthread.c:341) [ 34.683308] ret_from_fork (arch/x86/kernel/process.c:147) [ 34.683585] ? __pfx_kthread (kernel/kthread.c:341) [ 34.683899] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 42.511896] ------------[ cut here ]------------ | [ 42.512352] sysfs group 'bridge' not found for kobject 'br0' | [ 42.512897] WARNING: CPU: 3 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 42.513596] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 42.514788] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 42.515697] Workqueue: netns cleanup_net [ 42.516015] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 42.516449] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 42.517936] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 42.518207] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 42.518610] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 42.519143] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 42.519686] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc552c610 [ 42.520047] R13: ffffaa568026be08 R14: ffff952cc552cb80 R15: ffff952cc39f2e50 [ 42.520433] FS: 0000000000000000(0000) GS:ffff952cfed80000(0000) knlGS:0000000000000000 [ 42.521102] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.521423] CR2: 00007fff9ffa6588 CR3: 0000000036460006 CR4: 0000000000770ef0 [ 42.521883] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 42.522466] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 42.523106] PKRU: 55555554 [ 42.523372] Call Trace: [ 42.523584] <TASK> [ 42.523768] ? __warn (kernel/panic.c:677) [ 42.524060] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 42.524404] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 42.524710] ? handle_bug (arch/x86/kernel/traps.c:238) [ 42.525012] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 42.525337] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 42.525706] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 42.526057] br_dev_delete (net/bridge/br_if.c:396) [ 42.526372] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 42.526757] cleanup_net (net/core/net_namespace.c:630) [ 42.527071] ? process_one_work (kernel/workqueue.c:2606) [ 42.527442] process_one_work (kernel/workqueue.c:2633) [ 42.527784] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 42.528081] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 42.528451] kthread (kernel/kthread.c:388) [ 42.528715] ? __pfx_kthread (kernel/kthread.c:341) [ 42.529044] ret_from_fork (arch/x86/kernel/process.c:147) [ 42.529292] ? __pfx_kthread (kernel/kthread.c:341) [ 42.529604] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 42.636846] ------------[ cut here ]------------ | [ 42.637252] sysfs group 'bridge' not found for kobject 'br0' | [ 42.637763] WARNING: CPU: 3 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 42.638451] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 42.639673] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 42.640567] Workqueue: netns cleanup_net [ 42.640860] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 42.641263] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 42.642641] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 42.643083] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 42.643650] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 42.644049] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 42.644448] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc49b0610 [ 42.644893] R13: ffffaa568026be08 R14: ffff952cc49b0b80 R15: ffff952cc39f4550 [ 42.645349] FS: 0000000000000000(0000) GS:ffff952cfed80000(0000) knlGS:0000000000000000 [ 42.645763] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.646100] CR2: 00007fff9ffa6588 CR3: 0000000036460006 CR4: 0000000000770ef0 [ 42.646724] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 42.647249] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 42.647829] PKRU: 55555554 [ 42.648049] Call Trace: [ 42.648209] <TASK> [ 42.648326] ? __warn (kernel/panic.c:677) [ 42.648524] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 42.648852] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 42.649184] ? handle_bug (arch/x86/kernel/traps.c:238) [ 42.649513] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 42.649840] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 42.650228] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 42.650612] br_dev_delete (net/bridge/br_if.c:396) [ 42.650931] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 42.651379] cleanup_net (net/core/net_namespace.c:630) [ 42.651709] ? process_one_work (kernel/workqueue.c:2606) [ 42.652084] process_one_work (kernel/workqueue.c:2633) [ 42.652448] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 42.652798] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 42.653183] kthread (kernel/kthread.c:388) [ 42.653478] ? __pfx_kthread (kernel/kthread.c:341) [ 42.653828] ret_from_fork (arch/x86/kernel/process.c:147) [ 42.654142] ? __pfx_kthread (kernel/kthread.c:341) [ 42.654485] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 42.657553] ------------[ cut here ]------------ | [ 42.657796] sysfs group 'bridge' not found for kobject 'br0' | [ 42.658195] WARNING: CPU: 3 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 42.658808] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 42.659993] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 42.660908] Workqueue: netns cleanup_net [ 42.661250] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 42.661661] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 42.663196] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 42.663633] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 42.664238] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 42.664833] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 42.665409] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc260e610 [ 42.665950] R13: ffffaa568026be08 R14: ffff952cc260eb80 R15: ffff952cc39f4550 [ 42.666478] FS: 0000000000000000(0000) GS:ffff952cfed80000(0000) knlGS:0000000000000000 [ 42.667128] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.667564] CR2: 00007fff9ffa6588 CR3: 0000000036460006 CR4: 0000000000770ef0 [ 42.668103] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 42.668661] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 42.669229] PKRU: 55555554 [ 42.669375] Call Trace: [ 42.669508] <TASK> [ 42.669624] ? __warn (kernel/panic.c:677) [ 42.669814] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 42.670071] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 42.670295] ? handle_bug (arch/x86/kernel/traps.c:238) [ 42.670594] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 42.670803] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 42.671038] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 42.671258] br_dev_delete (net/bridge/br_if.c:396) [ 42.671515] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 42.671888] cleanup_net (net/core/net_namespace.c:630) [ 42.672116] ? process_one_work (kernel/workqueue.c:2606) [ 42.672344] process_one_work (kernel/workqueue.c:2633) [ 42.672678] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 42.673017] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 42.673404] kthread (kernel/kthread.c:388) [ 42.673693] ? __pfx_kthread (kernel/kthread.c:341) [ 42.674065] ret_from_fork (arch/x86/kernel/process.c:147) [ 42.674422] ? __pfx_kthread (kernel/kthread.c:341) [ 42.674779] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 42.791857] ------------[ cut here ]------------ | [ 42.792258] sysfs group 'bridge' not found for kobject 'br0' | [ 42.792711] WARNING: CPU: 3 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 42.793154] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 42.794109] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 42.794698] Workqueue: netns cleanup_net [ 42.794972] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 42.795342] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 42.796561] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 42.797007] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 42.797598] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 42.798180] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 42.798797] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc2608610 [ 42.799398] R13: ffffaa568026be08 R14: ffff952cc2608b80 R15: ffff952cc3891750 [ 42.800027] FS: 0000000000000000(0000) GS:ffff952cfed80000(0000) knlGS:0000000000000000 [ 42.800728] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.801232] CR2: 00007fff9ffa6588 CR3: 0000000036460006 CR4: 0000000000770ef0 [ 42.801875] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 42.802474] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 42.803077] PKRU: 55555554 [ 42.803330] Call Trace: [ 42.803530] <TASK> [ 42.803698] ? __warn (kernel/panic.c:677) [ 42.803975] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 42.804312] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 42.804632] ? handle_bug (arch/x86/kernel/traps.c:238) [ 42.804908] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 42.805217] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 42.805553] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 42.805922] br_dev_delete (net/bridge/br_if.c:396) [ 42.806182] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 42.806547] cleanup_net (net/core/net_namespace.c:630) [ 42.806843] ? process_one_work (kernel/workqueue.c:2606) [ 42.807200] process_one_work (kernel/workqueue.c:2633) [ 42.807412] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 42.807610] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 42.807862] kthread (kernel/kthread.c:388) [ 42.808104] ? __pfx_kthread (kernel/kthread.c:341) [ 42.808307] ret_from_fork (arch/x86/kernel/process.c:147) [ 42.808501] ? __pfx_kthread (kernel/kthread.c:341) [ 42.808706] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 50.737981] ------------[ cut here ]------------ | [ 50.738257] sysfs group 'bridge' not found for kobject 'br0' | [ 50.738613] WARNING: CPU: 0 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 50.739079] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 50.739878] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 50.740496] Workqueue: netns cleanup_net [ 50.740761] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 50.741057] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 50.742061] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 50.742378] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 50.742799] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 50.743191] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 50.743566] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc1d06610 [ 50.743981] R13: ffffaa568026be08 R14: ffff952cc1d06b80 R15: ffff952cc3892e50 [ 50.744411] FS: 0000000000000000(0000) GS:ffff952cfec00000(0000) knlGS:0000000000000000 [ 50.744850] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.745174] CR2: 00007fba57c1f000 CR3: 0000000036460004 CR4: 0000000000770ef0 [ 50.745581] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 50.745994] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 50.746394] PKRU: 55555554 [ 50.746573] Call Trace: [ 50.746751] <TASK> [ 50.746897] ? __warn (kernel/panic.c:677) [ 50.747095] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 50.747353] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 50.747568] ? handle_bug (arch/x86/kernel/traps.c:238) [ 50.747797] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 50.748036] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 50.748293] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 50.748537] br_dev_delete (net/bridge/br_if.c:396) [ 50.748775] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 50.749059] cleanup_net (net/core/net_namespace.c:630) [ 50.749302] ? process_one_work (kernel/workqueue.c:2606) [ 50.749539] process_one_work (kernel/workqueue.c:2633) [ 50.749795] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 50.750041] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 50.750304] kthread (kernel/kthread.c:388) [ 50.750489] ? __pfx_kthread (kernel/kthread.c:341) [ 50.750732] ret_from_fork (arch/x86/kernel/process.c:147) [ 50.750976] ? __pfx_kthread (kernel/kthread.c:341) [ 50.751219] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 50.846875] ------------[ cut here ]------------ | [ 50.847172] sysfs group 'bridge' not found for kobject 'br0' | [ 50.847527] WARNING: CPU: 0 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 50.847971] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 50.848783] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 50.849398] Workqueue: netns cleanup_net [ 50.849637] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 50.849919] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 50.850885] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 50.851209] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 50.851601] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 50.851988] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 50.852385] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc552a610 [ 50.852792] R13: ffffaa568026be08 R14: ffff952cc552ab80 R15: ffff952cc3891750 [ 50.853188] FS: 0000000000000000(0000) GS:ffff952cfec00000(0000) knlGS:0000000000000000 [ 50.853612] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.853940] CR2: 00007fba57c1f000 CR3: 0000000036460004 CR4: 0000000000770ef0 [ 50.854342] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 50.854758] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 50.855134] PKRU: 55555554 [ 50.855313] Call Trace: [ 50.855504] <TASK> [ 50.855649] ? __warn (kernel/panic.c:677) [ 50.855847] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 50.856114] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 50.856361] ? handle_bug (arch/x86/kernel/traps.c:238) [ 50.856588] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 50.856813] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 50.857067] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 50.857343] br_dev_delete (net/bridge/br_if.c:396) [ 50.857579] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 50.857841] cleanup_net (net/core/net_namespace.c:630) [ 50.858081] ? process_one_work (kernel/workqueue.c:2606) [ 50.858353] process_one_work (kernel/workqueue.c:2633) [ 50.858596] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 50.858835] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 50.859116] kthread (kernel/kthread.c:388) [ 50.859308] ? __pfx_kthread (kernel/kthread.c:341) [ 50.859537] ret_from_fork (arch/x86/kernel/process.c:147) [ 50.859791] ? __pfx_kthread (kernel/kthread.c:341) [ 50.860030] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 50.862925] ------------[ cut here ]------------ | [ 50.863214] sysfs group 'bridge' not found for kobject 'br0' | [ 50.863546] WARNING: CPU: 0 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 50.863968] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 50.864805] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 50.865434] Workqueue: netns cleanup_net [ 50.865704] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 50.865990] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 50.866996] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 50.867305] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 50.867721] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 50.868132] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 50.868512] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc4b80610 [ 50.868907] R13: ffffaa568026be08 R14: ffff952cc4b80b80 R15: ffff952cc3891750 [ 50.869326] FS: 0000000000000000(0000) GS:ffff952cfec00000(0000) knlGS:0000000000000000 [ 50.869819] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.870156] CR2: 00007fba57c1f000 CR3: 0000000036460004 CR4: 0000000000770ef0 [ 50.870552] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 50.870964] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 50.871369] PKRU: 55555554 [ 50.871561] Call Trace: [ 50.871747] <TASK> [ 50.871882] ? __warn (kernel/panic.c:677) [ 50.872087] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 50.872354] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 50.872583] ? handle_bug (arch/x86/kernel/traps.c:238) [ 50.872808] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 50.873053] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 50.873302] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 50.873556] br_dev_delete (net/bridge/br_if.c:396) [ 50.873823] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 50.874084] cleanup_net (net/core/net_namespace.c:630) [ 50.874298] ? process_one_work (kernel/workqueue.c:2606) [ 50.874552] process_one_work (kernel/workqueue.c:2633) [ 50.874818] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 50.875054] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 50.875293] kthread (kernel/kthread.c:388) [ 50.875491] ? __pfx_kthread (kernel/kthread.c:341) [ 50.875742] ret_from_fork (arch/x86/kernel/process.c:147) [ 50.876003] ? __pfx_kthread (kernel/kthread.c:341) [ 50.876224] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 50.992911] ------------[ cut here ]------------ | [ 50.993187] sysfs group 'bridge' not found for kobject 'br0' | [ 50.993539] WARNING: CPU: 0 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 50.993989] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 50.994813] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 50.995428] Workqueue: netns cleanup_net [ 50.995639] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 50.995909] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 50.996869] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 50.997182] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 50.997582] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 50.997978] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 50.998343] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc5528610 [ 50.998714] R13: ffffaa568026be08 R14: ffff952cc5528b80 R15: ffff952cc3965c50 [ 50.999113] FS: 0000000000000000(0000) GS:ffff952cfec00000(0000) knlGS:0000000000000000 [ 50.999610] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.999942] CR2: 00007fba57c1f000 CR3: 0000000036460004 CR4: 0000000000770ef0 [ 51.000334] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 51.000733] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 51.001163] PKRU: 55555554 [ 51.001360] Call Trace: [ 51.001535] <TASK> [ 51.001676] ? __warn (kernel/panic.c:677) [ 51.001881] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 51.002154] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 51.002388] ? handle_bug (arch/x86/kernel/traps.c:238) [ 51.002599] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 51.002812] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 51.003064] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 51.003360] br_dev_delete (net/bridge/br_if.c:396) [ 51.003562] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 51.003829] cleanup_net (net/core/net_namespace.c:630) [ 51.004049] ? process_one_work (kernel/workqueue.c:2606) [ 51.004321] process_one_work (kernel/workqueue.c:2633) [ 51.004584] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 51.004828] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 51.005088] kthread (kernel/kthread.c:388) [ 51.005274] ? __pfx_kthread (kernel/kthread.c:341) [ 51.005509] ret_from_fork (arch/x86/kernel/process.c:147) [ 51.005758] ? __pfx_kthread (kernel/kthread.c:341) [ 51.005989] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 58.908889] ------------[ cut here ]------------ | [ 58.909179] sysfs group 'bridge' not found for kobject 'br0' | [ 58.909533] WARNING: CPU: 0 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 58.909959] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 58.910760] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 58.911380] Workqueue: netns cleanup_net [ 58.911616] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 58.911900] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 58.912863] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 58.913156] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 58.913546] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 58.913938] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 58.914326] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc29cc610 [ 58.914718] R13: ffffaa568026be08 R14: ffff952cc29ccb80 R15: ffff952cc39f1750 [ 58.915107] FS: 0000000000000000(0000) GS:ffff952cfec00000(0000) knlGS:0000000000000000 [ 58.915536] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.915862] CR2: 00007fc88e6e7000 CR3: 0000000036460001 CR4: 0000000000770ef0 [ 58.916249] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 58.916631] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 58.917018] PKRU: 55555554 [ 58.917184] Call Trace: [ 58.917342] <TASK> [ 58.917461] ? __warn (kernel/panic.c:677) [ 58.917637] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 58.917864] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 58.918063] ? handle_bug (arch/x86/kernel/traps.c:238) [ 58.918273] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 58.918516] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 58.918769] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 58.919012] br_dev_delete (net/bridge/br_if.c:396) [ 58.919225] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 58.919477] cleanup_net (net/core/net_namespace.c:630) [ 58.919712] ? process_one_work (kernel/workqueue.c:2606) [ 58.919955] process_one_work (kernel/workqueue.c:2633) [ 58.920187] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 58.920408] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 58.920690] kthread (kernel/kthread.c:388) [ 58.920889] ? __pfx_kthread (kernel/kthread.c:341) [ 58.921119] ret_from_fork (arch/x86/kernel/process.c:147) [ 58.921313] ? __pfx_kthread (kernel/kthread.c:341) [ 58.921540] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 59.060860] ------------[ cut here ]------------ | [ 59.061119] sysfs group 'bridge' not found for kobject 'br0' | [ 59.061457] WARNING: CPU: 0 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 59.061914] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 59.062706] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 59.063306] Workqueue: netns cleanup_net [ 59.063549] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 59.063833] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 59.064786] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 59.065082] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 59.065483] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 59.065880] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 59.066259] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc4b82610 [ 59.066646] R13: ffffaa568026be08 R14: ffff952cc4b82b80 R15: ffffffffbb478f90 [ 59.067048] FS: 0000000000000000(0000) GS:ffff952cfec00000(0000) knlGS:0000000000000000 [ 59.067482] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.067802] CR2: 00007fc88e6e7000 CR3: 0000000036460001 CR4: 0000000000770ef0 [ 59.068197] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 59.068589] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 59.068982] PKRU: 55555554 [ 59.069142] Call Trace: [ 59.069289] <TASK> [ 59.069423] ? __warn (kernel/panic.c:677) [ 59.069628] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 59.069885] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 59.070100] ? handle_bug (arch/x86/kernel/traps.c:238) [ 59.070316] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 59.070553] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 59.070812] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 59.071054] br_dev_delete (net/bridge/br_if.c:396) [ 59.071276] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 59.071543] cleanup_net (net/core/net_namespace.c:630) [ 59.071764] ? process_one_work (kernel/workqueue.c:2606) [ 59.072000] process_one_work (kernel/workqueue.c:2633) [ 59.072240] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 59.072470] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 59.072729] kthread (kernel/kthread.c:388) [ 59.072915] ? __pfx_kthread (kernel/kthread.c:341) [ 59.073144] ret_from_fork (arch/x86/kernel/process.c:147) [ 59.073367] ? __pfx_kthread (kernel/kthread.c:341) [ 59.073588] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 59.076341] ------------[ cut here ]------------ | [ 59.076611] sysfs group 'bridge' not found for kobject 'br0' | [ 59.076963] WARNING: CPU: 0 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 59.077395] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 59.078187] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 59.078803] Workqueue: netns cleanup_net [ 59.079033] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 59.079293] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 59.080254] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 59.080559] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 59.080968] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 59.081348] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 59.081749] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc55ac610 [ 59.082143] R13: ffffaa568026be08 R14: ffff952cc55acb80 R15: ffffffffbb478f90 [ 59.082531] FS: 0000000000000000(0000) GS:ffff952cfec00000(0000) knlGS:0000000000000000 [ 59.082958] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.083283] CR2: 00007fc88e6e7000 CR3: 0000000036460001 CR4: 0000000000770ef0 [ 59.083689] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 59.084074] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 59.084451] PKRU: 55555554 [ 59.084625] Call Trace: [ 59.084814] <TASK> [ 59.084959] ? __warn (kernel/panic.c:677) [ 59.085148] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 59.085397] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 59.085623] ? handle_bug (arch/x86/kernel/traps.c:238) [ 59.085845] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 59.086061] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 59.086309] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 59.086561] br_dev_delete (net/bridge/br_if.c:396) [ 59.086784] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 59.087031] cleanup_net (net/core/net_namespace.c:630) [ 59.087255] ? process_one_work (kernel/workqueue.c:2606) [ 59.087510] process_one_work (kernel/workqueue.c:2633) [ 59.087756] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 59.087969] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 59.088224] kthread (kernel/kthread.c:388) [ 59.088430] ? __pfx_kthread (kernel/kthread.c:341) [ 59.088662] ret_from_fork (arch/x86/kernel/process.c:147) [ 59.088869] ? __pfx_kthread (kernel/kthread.c:341) [ 59.089096] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 59.091834] ------------[ cut here ]------------ | [ 59.092094] sysfs group 'bridge' not found for kobject 'br0' | [ 59.092433] WARNING: CPU: 0 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 59.092875] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 59.093640] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 59.094246] Workqueue: netns cleanup_net [ 59.094474] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 59.094753] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 59.095689] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 59.096026] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 59.096442] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 59.096839] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 59.097227] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc55ae610 [ 59.097609] R13: ffffaa568026be08 R14: ffff952cc55aeb80 R15: ffffffffbb478f90 [ 59.098010] FS: 0000000000000000(0000) GS:ffff952cfec00000(0000) knlGS:0000000000000000 [ 59.098453] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.098780] CR2: 00007fc88e6e7000 CR3: 0000000036460001 CR4: 0000000000770ef0 [ 59.099155] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 59.099546] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 59.099956] PKRU: 55555554 [ 59.100121] Call Trace: [ 59.100276] <TASK> [ 59.100392] ? __warn (kernel/panic.c:677) [ 59.100567] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 59.100823] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 59.101060] ? handle_bug (arch/x86/kernel/traps.c:238) [ 59.101253] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 59.101478] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 59.101729] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 59.101990] br_dev_delete (net/bridge/br_if.c:396) [ 59.102208] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 59.102472] cleanup_net (net/core/net_namespace.c:630) [ 59.102704] ? process_one_work (kernel/workqueue.c:2606) [ 59.102936] process_one_work (kernel/workqueue.c:2633) [ 59.103180] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 59.103422] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 59.103681] kthread (kernel/kthread.c:388) [ 59.103863] ? __pfx_kthread (kernel/kthread.c:341) [ 59.104091] ret_from_fork (arch/x86/kernel/process.c:147) [ 59.104313] ? __pfx_kthread (kernel/kthread.c:341) [ 59.104535] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 67.173839] ------------[ cut here ]------------ | [ 67.174288] sysfs group 'bridge' not found for kobject 'br0' | [ 67.174829] WARNING: CPU: 2 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 67.175459] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 67.176754] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 67.177709] Workqueue: netns cleanup_net [ 67.177958] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 67.178243] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 67.179440] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 67.179715] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 67.180179] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 67.180692] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 67.181179] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc260e610 [ 67.181910] R13: ffffaa568026be08 R14: ffff952cc260eb80 R15: ffff952cc39f1750 [ 67.182810] FS: 0000000000000000(0000) GS:ffff952cfed00000(0000) knlGS:0000000000000000 [ 67.183793] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.184476] CR2: 00007f5e70d690e0 CR3: 00000000025ce006 CR4: 0000000000770ef0 [ 67.185366] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 67.186253] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 67.187022] PKRU: 55555554 [ 67.187340] Call Trace: [ 67.187582] <TASK> [ 67.187836] ? __warn (kernel/panic.c:677) [ 67.188156] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 67.188540] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 67.188945] ? handle_bug (arch/x86/kernel/traps.c:238) [ 67.189258] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 67.189659] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 67.190129] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 67.190349] br_dev_delete (net/bridge/br_if.c:396) [ 67.190567] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 67.190827] cleanup_net (net/core/net_namespace.c:630) [ 67.191029] ? process_one_work (kernel/workqueue.c:2606) [ 67.191249] process_one_work (kernel/workqueue.c:2633) [ 67.191461] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 67.191664] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 67.191890] kthread (kernel/kthread.c:388) [ 67.192062] ? __pfx_kthread (kernel/kthread.c:341) [ 67.192258] ret_from_fork (arch/x86/kernel/process.c:147) [ 67.192449] ? __pfx_kthread (kernel/kthread.c:341) [ 67.192646] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 67.323837] ------------[ cut here ]------------ | [ 67.324257] sysfs group 'bridge' not found for kobject 'br0' | [ 67.324783] WARNING: CPU: 1 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 67.325435] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 67.326375] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 67.327019] Workqueue: netns cleanup_net [ 67.327229] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 67.327478] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 67.328445] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 67.328723] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 67.329087] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 67.329449] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 67.329818] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc2608610 [ 67.330180] R13: ffffaa568026be08 R14: ffff952cc2608b80 R15: ffffffffbb478f90 [ 67.330543] FS: 0000000000000000(0000) GS:ffff952cfec80000(0000) knlGS:0000000000000000 [ 67.330965] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.331260] CR2: 00007fde9ce63000 CR3: 0000000036460001 CR4: 0000000000770ef0 [ 67.331624] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 67.331991] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 67.332353] PKRU: 55555554 [ 67.332497] Call Trace: [ 67.332631] <TASK> [ 67.332756] ? __warn (kernel/panic.c:677) [ 67.332931] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 67.333152] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 67.333350] ? handle_bug (arch/x86/kernel/traps.c:238) [ 67.333538] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 67.333746] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 67.333968] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 67.334190] br_dev_delete (net/bridge/br_if.c:396) [ 67.334384] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 67.334613] cleanup_net (net/core/net_namespace.c:630) [ 67.334812] ? process_one_work (kernel/workqueue.c:2606) [ 67.335032] process_one_work (kernel/workqueue.c:2633) [ 67.335244] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 67.335443] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 67.335675] kthread (kernel/kthread.c:388) [ 67.335848] ? __pfx_kthread (kernel/kthread.c:341) [ 67.336046] ret_from_fork (arch/x86/kernel/process.c:147) [ 67.336239] ? __pfx_kthread (kernel/kthread.c:341) [ 67.336436] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 67.338975] ------------[ cut here ]------------ | [ 67.339236] sysfs group 'bridge' not found for kobject 'br0' | [ 67.339545] WARNING: CPU: 2 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 67.339975] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 67.340732] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 67.341327] Workqueue: netns cleanup_net [ 67.341538] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 67.341801] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 67.342743] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 67.343017] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 67.343382] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 67.343753] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 67.344120] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc29ca610 [ 67.344485] R13: ffffaa568026be08 R14: ffff952cc29cab80 R15: ffffffffbb478f90 [ 67.344860] FS: 0000000000000000(0000) GS:ffff952cfed00000(0000) knlGS:0000000000000000 [ 67.345274] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.345569] CR2: 00007f4a6cb60000 CR3: 0000000036460005 CR4: 0000000000770ef0 [ 67.345941] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 67.346309] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 67.346680] PKRU: 55555554 [ 67.346826] Call Trace: [ 67.346962] <TASK> [ 67.347079] ? __warn (kernel/panic.c:677) [ 67.347260] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 67.347483] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 67.347690] ? handle_bug (arch/x86/kernel/traps.c:238) [ 67.347881] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 67.348087] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 67.348314] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 67.348539] br_dev_delete (net/bridge/br_if.c:396) [ 67.348741] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 67.348978] cleanup_net (net/core/net_namespace.c:630) [ 67.349174] ? process_one_work (kernel/workqueue.c:2606) [ 67.349397] process_one_work (kernel/workqueue.c:2633) [ 67.349613] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 67.349824] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 67.350055] kthread (kernel/kthread.c:388) [ 67.350229] ? __pfx_kthread (kernel/kthread.c:341) [ 67.350430] ret_from_fork (arch/x86/kernel/process.c:147) [ 67.350627] ? __pfx_kthread (kernel/kthread.c:341) [ 67.350836] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 67.353387] ------------[ cut here ]------------ | [ 67.353630] sysfs group 'bridge' not found for kobject 'br0' | [ 67.353946] WARNING: CPU: 2 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 67.354361] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 67.355113] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 67.355696] Workqueue: netns cleanup_net [ 67.355910] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 67.356162] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 67.357107] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 67.357381] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 67.357752] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 67.358119] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 67.358485] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc1d04610 [ 67.358857] R13: ffffaa568026be08 R14: ffff952cc1d04b80 R15: ffffffffbb478f90 [ 67.359228] FS: 0000000000000000(0000) GS:ffff952cfed00000(0000) knlGS:0000000000000000 [ 67.359641] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.359944] CR2: 00007f4a6cb60000 CR3: 0000000036460005 CR4: 0000000000770ef0 [ 67.360317] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 67.360690] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 67.361062] PKRU: 55555554 [ 67.361208] Call Trace: [ 67.361343] <TASK> [ 67.361462] ? __warn (kernel/panic.c:677) [ 67.361642] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 67.361871] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 67.362071] ? handle_bug (arch/x86/kernel/traps.c:238) [ 67.362261] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 67.362466] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 67.362701] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 67.362925] br_dev_delete (net/bridge/br_if.c:396) [ 67.363120] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 67.363355] cleanup_net (net/core/net_namespace.c:630) [ 67.363552] ? process_one_work (kernel/workqueue.c:2606) [ 67.363781] process_one_work (kernel/workqueue.c:2633) [ 67.363998] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 67.364201] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 67.364430] kthread (kernel/kthread.c:388) [ 67.364601] ? __pfx_kthread (kernel/kthread.c:341) [ 67.364809] ret_from_fork (arch/x86/kernel/process.c:147) [ 67.365004] ? __pfx_kthread (kernel/kthread.c:341) [ 67.365206] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 75.324913] ------------[ cut here ]------------ | [ 75.325387] sysfs group 'bridge' not found for kobject 'br0' | [ 75.325917] WARNING: CPU: 3 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 75.326646] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 75.327980] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 75.329010] Workqueue: netns cleanup_net [ 75.329376] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 75.329776] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 75.331302] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 75.331731] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 75.332335] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 75.332852] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 75.333226] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc260a610 [ 75.333705] R13: ffffaa568026be08 R14: ffff952cc260ab80 R15: ffff952cc39f1750 [ 75.334200] FS: 0000000000000000(0000) GS:ffff952cfed80000(0000) knlGS:0000000000000000 [ 75.334642] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.334954] CR2: 00007f4e777de000 CR3: 0000000036460002 CR4: 0000000000770ef0 [ 75.335507] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 75.335910] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 75.336459] PKRU: 55555554 [ 75.336724] Call Trace: [ 75.336951] <TASK> [ 75.337145] ? __warn (kernel/panic.c:677) [ 75.337438] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 75.337838] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 75.338172] ? handle_bug (arch/x86/kernel/traps.c:238) [ 75.338493] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 75.338861] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 75.339228] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 75.339617] br_dev_delete (net/bridge/br_if.c:396) [ 75.339959] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 75.340367] cleanup_net (net/core/net_namespace.c:630) [ 75.340712] ? process_one_work (kernel/workqueue.c:2606) [ 75.341091] process_one_work (kernel/workqueue.c:2633) [ 75.341463] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 75.341827] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 75.342218] kthread (kernel/kthread.c:388) [ 75.342468] ? __pfx_kthread (kernel/kthread.c:341) [ 75.342778] ret_from_fork (arch/x86/kernel/process.c:147) [ 75.343106] ? __pfx_kthread (kernel/kthread.c:341) [ 75.343424] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 75.442850] ------------[ cut here ]------------ | [ 75.443248] sysfs group 'bridge' not found for kobject 'br0' | [ 75.443770] WARNING: CPU: 3 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 75.444224] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 75.445160] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 75.445736] Workqueue: netns cleanup_net [ 75.446048] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 75.446485] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 75.447910] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 75.448240] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 75.448850] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 75.449512] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 75.450195] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc2608610 [ 75.450837] R13: ffffaa568026be08 R14: ffff952cc2608b80 R15: ffff952cc39f0050 [ 75.451484] FS: 0000000000000000(0000) GS:ffff952cfed80000(0000) knlGS:0000000000000000 [ 75.452226] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.452748] CR2: 00007f4e777de000 CR3: 0000000036460002 CR4: 0000000000770ef0 [ 75.453403] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 75.454053] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 75.454502] PKRU: 55555554 [ 75.454648] Call Trace: [ 75.454851] <TASK> [ 75.454976] ? __warn (kernel/panic.c:677) [ 75.455151] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 75.455370] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 75.455577] ? handle_bug (arch/x86/kernel/traps.c:238) [ 75.455842] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 75.456158] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 75.456463] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 75.456719] br_dev_delete (net/bridge/br_if.c:396) [ 75.456995] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 75.457411] cleanup_net (net/core/net_namespace.c:630) [ 75.457754] ? process_one_work (kernel/workqueue.c:2606) [ 75.458149] process_one_work (kernel/workqueue.c:2633) [ 75.458538] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 75.458895] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 75.459296] kthread (kernel/kthread.c:388) [ 75.459593] ? __pfx_kthread (kernel/kthread.c:341) [ 75.459946] ret_from_fork (arch/x86/kernel/process.c:147) [ 75.460278] ? __pfx_kthread (kernel/kthread.c:341) [ 75.460638] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 75.464863] ------------[ cut here ]------------ | [ 75.465275] sysfs group 'bridge' not found for kobject 'br0' | [ 75.465803] WARNING: CPU: 3 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 75.466231] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 75.467147] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 75.467883] Workqueue: netns cleanup_net [ 75.468190] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 75.468457] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 75.469978] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 75.470457] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 75.471144] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 75.471808] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 75.472458] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc260c610 [ 75.473118] R13: ffffaa568026be08 R14: ffff952cc260cb80 R15: ffff952cc39f0050 [ 75.473749] FS: 0000000000000000(0000) GS:ffff952cfed80000(0000) knlGS:0000000000000000 [ 75.474476] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.474939] CR2: 00007f4e777de000 CR3: 0000000036460002 CR4: 0000000000770ef0 [ 75.475514] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 75.476145] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 75.476754] PKRU: 55555554 [ 75.476994] Call Trace: [ 75.477199] <TASK> [ 75.477394] ? __warn (kernel/panic.c:677) [ 75.477648] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 75.478023] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 75.478220] ? handle_bug (arch/x86/kernel/traps.c:238) [ 75.478423] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 75.478654] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 75.478915] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 75.479135] br_dev_delete (net/bridge/br_if.c:396) [ 75.479327] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 75.479556] cleanup_net (net/core/net_namespace.c:630) [ 75.479754] ? process_one_work (kernel/workqueue.c:2606) [ 75.479973] process_one_work (kernel/workqueue.c:2633) [ 75.480191] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 75.480388] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 75.480614] kthread (kernel/kthread.c:388) [ 75.480788] ? __pfx_kthread (kernel/kthread.c:341) [ 75.481000] ret_from_fork (arch/x86/kernel/process.c:147) [ 75.481190] ? __pfx_kthread (kernel/kthread.c:341) [ 75.481386] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 75.587844] ------------[ cut here ]------------ | [ 75.588301] sysfs group 'bridge' not found for kobject 'br0' | [ 75.588869] WARNING: CPU: 3 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 75.589538] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 75.590780] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 75.591704] Workqueue: netns cleanup_net [ 75.592001] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 75.592249] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 75.593455] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 75.593729] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 75.594198] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 75.594707] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 75.595219] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc1936610 [ 75.595874] R13: ffffaa568026be08 R14: ffff952cc1936b80 R15: ffff952cc3895c50 [ 75.596512] FS: 0000000000000000(0000) GS:ffff952cfed80000(0000) knlGS:0000000000000000 [ 75.597248] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.597819] CR2: 00007f4e777de000 CR3: 0000000036460002 CR4: 0000000000770ef0 [ 75.598472] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 75.599141] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 75.599784] PKRU: 55555554 [ 75.600060] Call Trace: [ 75.600300] <TASK> [ 75.600500] ? __warn (kernel/panic.c:677) [ 75.600796] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 75.601190] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 75.601486] ? handle_bug (arch/x86/kernel/traps.c:238) [ 75.601820] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 75.602161] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 75.602506] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 75.602862] br_dev_delete (net/bridge/br_if.c:396) [ 75.603179] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 75.603563] cleanup_net (net/core/net_namespace.c:630) [ 75.603886] ? process_one_work (kernel/workqueue.c:2606) [ 75.604114] process_one_work (kernel/workqueue.c:2633) [ 75.604350] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 75.604626] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 75.604859] kthread (kernel/kthread.c:388) [ 75.605037] ? __pfx_kthread (kernel/kthread.c:341) [ 75.605236] ret_from_fork (arch/x86/kernel/process.c:147) [ 75.605427] ? __pfx_kthread (kernel/kthread.c:341) [ 75.605624] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 83.543912] ------------[ cut here ]------------ | [ 83.544385] sysfs group 'bridge' not found for kobject 'br0' | [ 83.544738] WARNING: CPU: 3 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 83.545545] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 83.547338] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 83.548778] Workqueue: netns cleanup_net [ 83.549245] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 83.549939] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 83.552139] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 83.552778] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 83.553488] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 83.554274] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 83.555077] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc21ba610 [ 83.555866] R13: ffffaa568026be08 R14: ffff952cc21bab80 R15: ffff952cc3960050 [ 83.556544] FS: 0000000000000000(0000) GS:ffff952cfed80000(0000) knlGS:0000000000000000 [ 83.557435] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 83.557803] CR2: 00007f9d371e7000 CR3: 0000000036460003 CR4: 0000000000770ef0 [ 83.558241] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 83.558606] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 83.558988] PKRU: 55555554 [ 83.559133] Call Trace: [ 83.559268] <TASK> [ 83.559386] ? __warn (kernel/panic.c:677) [ 83.559562] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 83.559803] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 83.560002] ? handle_bug (arch/x86/kernel/traps.c:238) [ 83.560190] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 83.560399] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 83.560627] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 83.560878] br_dev_delete (net/bridge/br_if.c:396) [ 83.561074] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 83.561305] cleanup_net (net/core/net_namespace.c:630) [ 83.561500] ? process_one_work (kernel/workqueue.c:2606) [ 83.561750] process_one_work (kernel/workqueue.c:2633) [ 83.561996] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 83.562196] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 83.562420] kthread (kernel/kthread.c:388) [ 83.562599] ? __pfx_kthread (kernel/kthread.c:341) [ 83.562855] ret_from_fork (arch/x86/kernel/process.c:147) [ 83.563049] ? __pfx_kthread (kernel/kthread.c:341) [ 83.563246] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 83.702913] ------------[ cut here ]------------ | [ 83.703389] sysfs group 'bridge' not found for kobject 'br0' | [ 83.704027] WARNING: CPU: 1 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 83.704830] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 83.706293] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 83.707449] Workqueue: netns cleanup_net [ 83.707904] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 83.708408] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 83.710428] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 83.710985] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 83.711610] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 83.712267] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 83.712931] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc29ca610 [ 83.713631] R13: ffffaa568026be08 R14: ffff952cc29cab80 R15: ffff952cc3895c50 [ 83.714018] FS: 0000000000000000(0000) GS:ffff952cfec80000(0000) knlGS:0000000000000000 [ 83.714540] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 83.714932] CR2: 00007fe2c56b51b4 CR3: 00000000025ce003 CR4: 0000000000770ef0 [ 83.715483] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 83.715851] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 83.716340] PKRU: 55555554 [ 83.716557] Call Trace: [ 83.716804] <TASK> [ 83.717033] ? __warn (kernel/panic.c:677) [ 83.717274] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 83.717512] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 83.717885] ? handle_bug (arch/x86/kernel/traps.c:238) [ 83.718194] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 83.718551] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 83.719007] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 83.719425] br_dev_delete (net/bridge/br_if.c:396) [ 83.719835] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 83.720320] cleanup_net (net/core/net_namespace.c:630) [ 83.720674] ? process_one_work (kernel/workqueue.c:2606) [ 83.721166] process_one_work (kernel/workqueue.c:2633) [ 83.721617] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 83.721962] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 83.722397] kthread (kernel/kthread.c:388) [ 83.722736] ? __pfx_kthread (kernel/kthread.c:341) [ 83.723122] ret_from_fork (arch/x86/kernel/process.c:147) [ 83.723481] ? __pfx_kthread (kernel/kthread.c:341) [ 83.723898] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 83.728727] ------------[ cut here ]------------ | [ 83.729238] sysfs group 'bridge' not found for kobject 'br0' | [ 83.729788] WARNING: CPU: 2 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 83.730445] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 83.731844] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 83.732452] Workqueue: netns cleanup_net [ 83.732748] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 83.733027] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 83.733961] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 83.734232] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 83.734594] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 83.734960] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 83.735324] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc29ce610 [ 83.735691] R13: ffffaa568026be08 R14: ffff952cc29ceb80 R15: ffff952cc3895c50 [ 83.736054] FS: 0000000000000000(0000) GS:ffff952cfed00000(0000) knlGS:0000000000000000 [ 83.736461] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 83.736765] CR2: 000055d5779cfdec CR3: 0000000002808003 CR4: 0000000000770ef0 [ 83.737131] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 83.737496] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 83.737865] PKRU: 55555554 [ 83.738011] Call Trace: [ 83.738144] <TASK> [ 83.738263] ? __warn (kernel/panic.c:677) [ 83.738443] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 83.738680] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 83.738877] ? handle_bug (arch/x86/kernel/traps.c:238) [ 83.739065] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 83.739266] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 83.739492] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 83.739718] br_dev_delete (net/bridge/br_if.c:396) [ 83.739911] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 83.740144] cleanup_net (net/core/net_namespace.c:630) [ 83.740338] ? process_one_work (kernel/workqueue.c:2606) [ 83.740557] process_one_work (kernel/workqueue.c:2633) [ 83.740779] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 83.741098] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 83.741324] kthread (kernel/kthread.c:388) [ 83.741492] ? __pfx_kthread (kernel/kthread.c:341) [ 83.741697] ret_from_fork (arch/x86/kernel/process.c:147) [ 83.741889] ? __pfx_kthread (kernel/kthread.c:341) [ 83.742087] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 83.849961] ------------[ cut here ]------------ | [ 83.850512] sysfs group 'bridge' not found for kobject 'br0' | [ 83.851463] WARNING: CPU: 2 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 83.852389] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 83.854771] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 83.856702] Workqueue: netns cleanup_net [ 83.857320] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 83.858206] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 83.861446] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 83.862365] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 83.863026] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 83.863633] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 83.864202] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc21bc610 [ 83.865044] R13: ffffaa568026be08 R14: ffff952cc21bcb80 R15: ffff952cc3961750 [ 83.865871] FS: 0000000000000000(0000) GS:ffff952cfed00000(0000) knlGS:0000000000000000 [ 83.867144] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 83.868118] CR2: 000055d578a1dd40 CR3: 0000000036460006 CR4: 0000000000770ef0 [ 83.869285] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 83.870552] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 83.871430] PKRU: 55555554 [ 83.871692] Call Trace: [ 83.872002] <TASK> [ 83.872213] ? __warn (kernel/panic.c:677) [ 83.872587] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 83.873054] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 83.873520] ? handle_bug (arch/x86/kernel/traps.c:238) [ 83.873894] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 83.874390] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 83.874747] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 83.875246] br_dev_delete (net/bridge/br_if.c:396) [ 83.875744] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 83.876214] cleanup_net (net/core/net_namespace.c:630) [ 83.876519] ? process_one_work (kernel/workqueue.c:2606) [ 83.876915] process_one_work (kernel/workqueue.c:2633) [ 83.877208] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 83.877535] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 83.877929] kthread (kernel/kthread.c:388) [ 83.878247] ? __pfx_kthread (kernel/kthread.c:341) [ 83.878621] ret_from_fork (arch/x86/kernel/process.c:147) [ 83.878966] ? __pfx_kthread (kernel/kthread.c:341) [ 83.879360] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 92.137943] ------------[ cut here ]------------ | [ 92.138220] sysfs group 'bridge' not found for kobject 'br0' | [ 92.138588] WARNING: CPU: 0 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 92.139045] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 92.139872] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 92.140526] Workqueue: netns cleanup_net [ 92.140769] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 92.141070] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 92.142121] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 92.142452] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 92.142865] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 92.143260] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 92.143693] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc4bfc610 [ 92.144106] R13: ffffaa568026be08 R14: ffff952cc4bfcb80 R15: ffff952cc3964550 [ 92.144523] FS: 0000000000000000(0000) GS:ffff952cfec00000(0000) knlGS:0000000000000000 [ 92.144974] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 92.145285] CR2: 00007f8dc527d000 CR3: 0000000036460001 CR4: 0000000000770ef0 [ 92.145686] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 92.146089] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 92.146476] PKRU: 55555554 [ 92.146634] Call Trace: [ 92.146828] <TASK> [ 92.146990] ? __warn (kernel/panic.c:677) [ 92.147197] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 92.147450] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 92.147700] ? handle_bug (arch/x86/kernel/traps.c:238) [ 92.147961] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 92.148191] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 92.148433] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 92.148691] br_dev_delete (net/bridge/br_if.c:396) [ 92.148933] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 92.149198] cleanup_net (net/core/net_namespace.c:630) [ 92.149412] ? process_one_work (kernel/workqueue.c:2606) [ 92.149674] process_one_work (kernel/workqueue.c:2633) [ 92.149933] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 92.150166] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 92.150416] kthread (kernel/kthread.c:388) [ 92.150620] ? __pfx_kthread (kernel/kthread.c:341) [ 92.150878] ret_from_fork (arch/x86/kernel/process.c:147) [ 92.151102] ? __pfx_kthread (kernel/kthread.c:341) [ 92.151317] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 92.229881] ------------[ cut here ]------------ | [ 92.230179] sysfs group 'bridge' not found for kobject 'br0' | [ 92.230523] WARNING: CPU: 0 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 92.230975] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 92.231823] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 92.232443] Workqueue: netns cleanup_net [ 92.232699] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 92.232970] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 92.233941] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 92.234287] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 92.234689] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 92.235088] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 92.235518] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc49b4610 [ 92.235968] R13: ffffaa568026be08 R14: ffff952cc49b4b80 R15: ffff952cc3960050 [ 92.236369] FS: 0000000000000000(0000) GS:ffff952cfec00000(0000) knlGS:0000000000000000 [ 92.236814] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 92.237163] CR2: 00007f8dc527d000 CR3: 0000000036460001 CR4: 0000000000770ef0 [ 92.237559] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 92.237972] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 92.238367] PKRU: 55555554 [ 92.238529] Call Trace: [ 92.238725] <TASK> [ 92.238892] ? __warn (kernel/panic.c:677) [ 92.239113] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 92.239347] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 92.239608] ? handle_bug (arch/x86/kernel/traps.c:238) [ 92.239842] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 92.240071] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 92.240314] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 92.240576] br_dev_delete (net/bridge/br_if.c:396) [ 92.240832] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 92.241097] cleanup_net (net/core/net_namespace.c:630) [ 92.241316] ? process_one_work (kernel/workqueue.c:2606) [ 92.241582] process_one_work (kernel/workqueue.c:2633) [ 92.241859] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 92.242089] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 92.242340] kthread (kernel/kthread.c:388) [ 92.242545] ? __pfx_kthread (kernel/kthread.c:341) [ 92.242802] ret_from_fork (arch/x86/kernel/process.c:147) [ 92.243045] ? __pfx_kthread (kernel/kthread.c:341) [ 92.243263] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 92.341847] ------------[ cut here ]------------ | [ 92.342257] sysfs group 'bridge' not found for kobject 'br0' | [ 92.342780] WARNING: CPU: 2 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 92.343433] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 92.344418] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 92.345093] Workqueue: netns cleanup_net [ 92.345306] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 92.345556] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 92.346492] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 92.346781] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 92.347145] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 92.347507] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 92.347878] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc49b2610 [ 92.348260] R13: ffffaa568026be08 R14: ffff952cc49b2b80 R15: ffffffffbb478f90 [ 92.348623] FS: 0000000000000000(0000) GS:ffff952cfed00000(0000) knlGS:0000000000000000 [ 92.349037] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 92.349333] CR2: 00007ff6671f6000 CR3: 0000000036460001 CR4: 0000000000770ef0 [ 92.349702] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 92.350066] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 92.350428] PKRU: 55555554 [ 92.350572] Call Trace: [ 92.350722] <TASK> [ 92.350854] ? __warn (kernel/panic.c:677) [ 92.351030] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 92.351249] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 92.351445] ? handle_bug (arch/x86/kernel/traps.c:238) [ 92.351632] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 92.351841] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 92.352066] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 92.352287] br_dev_delete (net/bridge/br_if.c:396) [ 92.352481] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 92.352722] cleanup_net (net/core/net_namespace.c:630) [ 92.352917] ? process_one_work (kernel/workqueue.c:2606) [ 92.353138] process_one_work (kernel/workqueue.c:2633) [ 92.353352] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 92.353551] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 92.353783] kthread (kernel/kthread.c:388) [ 92.353956] ? __pfx_kthread (kernel/kthread.c:341) [ 92.354155] ret_from_fork (arch/x86/kernel/process.c:147) [ 92.354349] ? __pfx_kthread (kernel/kthread.c:341) [ 92.354546] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 92.357088] ------------[ cut here ]------------ | [ 92.357327] sysfs group 'bridge' not found for kobject 'br0' | [ 92.357634] WARNING: CPU: 2 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 92.358049] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 92.358808] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 92.359383] Workqueue: netns cleanup_net [ 92.359590] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 92.359844] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 92.360787] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 92.361065] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 92.361428] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 92.361806] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 92.362168] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc2a64610 [ 92.362533] R13: ffffaa568026be08 R14: ffff952cc2a64b80 R15: ffffffffbb478f90 [ 92.362901] FS: 0000000000000000(0000) GS:ffff952cfed00000(0000) knlGS:0000000000000000 [ 92.363308] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 92.363603] CR2: 00007ff6671f6000 CR3: 0000000036460001 CR4: 0000000000770ef0 [ 92.363972] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 92.364342] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 92.364710] PKRU: 55555554 [ 92.364855] Call Trace: [ 92.364988] <TASK> [ 92.365106] ? __warn (kernel/panic.c:677) [ 92.365282] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 92.365500] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 92.365702] ? handle_bug (arch/x86/kernel/traps.c:238) [ 92.365890] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 92.366094] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 92.366318] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 92.366537] br_dev_delete (net/bridge/br_if.c:396) [ 92.366736] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 92.366979] cleanup_net (net/core/net_namespace.c:630) [ 92.367173] ? process_one_work (kernel/workqueue.c:2606) [ 92.367392] process_one_work (kernel/workqueue.c:2633) [ 92.367606] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 92.367810] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 92.368035] kthread (kernel/kthread.c:388) [ 92.368204] ? __pfx_kthread (kernel/kthread.c:341) [ 92.368405] ret_from_fork (arch/x86/kernel/process.c:147) [ 92.368597] ? __pfx_kthread (kernel/kthread.c:341) [ 92.368802] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 100.539886] ------------[ cut here ]------------ | [ 100.540169] sysfs group 'bridge' not found for kobject 'br0' | [ 100.540494] WARNING: CPU: 0 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 100.540980] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 100.541849] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 100.542449] Workqueue: netns cleanup_net [ 100.542704] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 100.543015] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 100.544000] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 100.544288] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 100.544686] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 100.545096] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 100.545490] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc55ac610 [ 100.545872] R13: ffffaa568026be08 R14: ffff952cc55acb80 R15: ffff952cc3961750 [ 100.546300] FS: 0000000000000000(0000) GS:ffff952cfec00000(0000) knlGS:0000000000000000 [ 100.546748] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 100.547069] CR2: 00007fff9ffa6588 CR3: 0000000002808005 CR4: 0000000000770ef0 [ 100.547476] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 100.547868] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 100.548260] PKRU: 55555554 [ 100.548423] Call Trace: [ 100.548595] <TASK> [ 100.548748] ? __warn (kernel/panic.c:677) [ 100.548951] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 100.549200] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 100.549409] ? handle_bug (arch/x86/kernel/traps.c:238) [ 100.549662] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 100.549898] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 100.550142] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 100.550372] br_dev_delete (net/bridge/br_if.c:396) [ 100.550591] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 100.550918] cleanup_net (net/core/net_namespace.c:630) [ 100.551136] ? process_one_work (kernel/workqueue.c:2606) [ 100.551369] process_one_work (kernel/workqueue.c:2633) [ 100.551608] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 100.551862] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 100.552122] kthread (kernel/kthread.c:388) [ 100.552306] ? __pfx_kthread (kernel/kthread.c:341) [ 100.552543] ret_from_fork (arch/x86/kernel/process.c:147) [ 100.552771] ? __pfx_kthread (kernel/kthread.c:341) [ 100.553028] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 100.674883] ------------[ cut here ]------------ | [ 100.675395] sysfs group 'bridge' not found for kobject 'br0' | [ 100.675754] WARNING: CPU: 1 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 100.676248] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 100.677244] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 100.677849] Workqueue: netns cleanup_net [ 100.678137] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 100.678564] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 100.679934] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 100.680423] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 100.681080] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 100.681740] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 100.682372] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc55ae610 [ 100.683057] R13: ffffaa568026be08 R14: ffff952cc55aeb80 R15: ffff952cc3965c50 [ 100.683717] FS: 0000000000000000(0000) GS:ffff952cfec80000(0000) knlGS:0000000000000000 [ 100.684469] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 100.685005] CR2: 00007faa4c87f000 CR3: 0000000036460003 CR4: 0000000000770ef0 [ 100.685610] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 100.686216] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 100.686848] PKRU: 55555554 [ 100.687070] Call Trace: [ 100.687296] <TASK> [ 100.687469] ? __warn (kernel/panic.c:677) [ 100.687772] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 100.688113] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 100.688456] ? handle_bug (arch/x86/kernel/traps.c:238) [ 100.688675] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 100.688881] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 100.689133] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 100.689400] br_dev_delete (net/bridge/br_if.c:396) [ 100.689694] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 100.689980] cleanup_net (net/core/net_namespace.c:630) [ 100.690180] ? process_one_work (kernel/workqueue.c:2606) [ 100.690411] process_one_work (kernel/workqueue.c:2633) [ 100.690675] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 100.691037] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 100.691515] kthread (kernel/kthread.c:388) [ 100.691957] ? __pfx_kthread (kernel/kthread.c:341) [ 100.692332] ret_from_fork (arch/x86/kernel/process.c:147) [ 100.692846] ? __pfx_kthread (kernel/kthread.c:341) [ 100.693258] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 100.700591] ------------[ cut here ]------------ | [ 100.700888] sysfs group 'bridge' not found for kobject 'br0' | [ 100.701232] WARNING: CPU: 0 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 100.701699] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 100.702509] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 100.703129] Workqueue: netns cleanup_net [ 100.703371] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 100.703646] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 100.704614] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 100.704892] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 100.705256] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 100.705624] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 100.706033] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc3a2a610 [ 100.706467] R13: ffffaa568026be08 R14: ffff952cc3a2ab80 R15: ffff952cc3965c50 [ 100.706861] FS: 0000000000000000(0000) GS:ffff952cfec00000(0000) knlGS:0000000000000000 [ 100.707295] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 100.707617] CR2: 000055d578a331e0 CR3: 0000000036460004 CR4: 0000000000770ef0 [ 100.708032] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 100.708437] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 100.708835] PKRU: 55555554 [ 100.708997] Call Trace: [ 100.709163] <TASK> [ 100.709346] ? __warn (kernel/panic.c:677) [ 100.709543] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 100.709793] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 100.709992] ? handle_bug (arch/x86/kernel/traps.c:238) [ 100.710212] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 100.710480] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 100.710737] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 100.710997] br_dev_delete (net/bridge/br_if.c:396) [ 100.711235] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 100.711507] cleanup_net (net/core/net_namespace.c:630) [ 100.711747] ? process_one_work (kernel/workqueue.c:2606) [ 100.711998] process_one_work (kernel/workqueue.c:2633) [ 100.712226] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 100.712464] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 100.712734] kthread (kernel/kthread.c:388) [ 100.712943] ? __pfx_kthread (kernel/kthread.c:341) [ 100.713155] ret_from_fork (arch/x86/kernel/process.c:147) [ 100.713379] ? __pfx_kthread (kernel/kthread.c:341) [ 100.713618] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 100.834847] ------------[ cut here ]------------ | [ 100.835097] sysfs group 'bridge' not found for kobject 'br0' | [ 100.835416] WARNING: CPU: 0 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 100.835876] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 100.836696] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 100.837302] Workqueue: netns cleanup_net [ 100.837540] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 100.837826] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 100.838805] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 100.839108] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 100.839491] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 100.839883] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 100.840290] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc4b82610 [ 100.840678] R13: ffffaa568026be08 R14: ffff952cc4b82b80 R15: ffff952cc2b61750 [ 100.841077] FS: 0000000000000000(0000) GS:ffff952cfec00000(0000) knlGS:0000000000000000 [ 100.841524] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 100.841879] CR2: 000055d578a331e0 CR3: 0000000036460004 CR4: 0000000000770ef0 [ 100.842266] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 100.842649] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 100.843053] PKRU: 55555554 [ 100.843229] Call Trace: [ 100.843395] <TASK> [ 100.843535] ? __warn (kernel/panic.c:677) [ 100.843742] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 100.844015] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 100.844248] ? handle_bug (arch/x86/kernel/traps.c:238) [ 100.844467] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 100.844694] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 100.844963] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 100.845227] br_dev_delete (net/bridge/br_if.c:396) [ 100.845456] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 100.845715] cleanup_net (net/core/net_namespace.c:630) [ 100.845944] ? process_one_work (kernel/workqueue.c:2606) [ 100.846194] process_one_work (kernel/workqueue.c:2633) [ 100.846434] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 100.846652] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 100.846910] kthread (kernel/kthread.c:388) [ 100.847115] ? __pfx_kthread (kernel/kthread.c:341) [ 100.847347] ret_from_fork (arch/x86/kernel/process.c:147) [ 100.847559] ? __pfx_kthread (kernel/kthread.c:341) [ 100.847792] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 108.093917] ------------[ cut here ]------------ | [ 108.094283] sysfs group 'bridge' not found for kobject 'br0' | [ 108.094593] WARNING: CPU: 2 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 108.095144] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 108.096184] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 108.097233] Workqueue: netns cleanup_net [ 108.097623] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 108.098114] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 108.099891] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 108.100407] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 108.101110] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 108.101739] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 108.102343] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc3a2a610 [ 108.102970] R13: ffffaa568026be08 R14: ffff952cc3a2ab80 R15: ffff952cc3962e50 [ 108.103626] FS: 0000000000000000(0000) GS:ffff952cfed00000(0000) knlGS:0000000000000000 [ 108.104356] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 108.104658] CR2: 00007f9dcfeba000 CR3: 00000000025ce003 CR4: 0000000000770ef0 [ 108.105059] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 108.105421] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 108.105787] PKRU: 55555554 [ 108.105932] Call Trace: [ 108.106067] <TASK> [ 108.106185] ? __warn (kernel/panic.c:677) [ 108.106361] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 108.106582] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 108.106786] ? handle_bug (arch/x86/kernel/traps.c:238) [ 108.107028] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 108.107331] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 108.107685] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 108.108017] br_dev_delete (net/bridge/br_if.c:396) [ 108.108310] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 108.108674] cleanup_net (net/core/net_namespace.c:630) [ 108.108963] ? process_one_work (kernel/workqueue.c:2606) [ 108.109280] process_one_work (kernel/workqueue.c:2633) [ 108.109593] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 108.109898] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 108.110228] kthread (kernel/kthread.c:388) [ 108.110479] ? __pfx_kthread (kernel/kthread.c:341) [ 108.110790] ret_from_fork (arch/x86/kernel/process.c:147) [ 108.111071] ? __pfx_kthread (kernel/kthread.c:341) [ 108.111362] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 108.263852] ------------[ cut here ]------------ | [ 108.264109] sysfs group 'bridge' not found for kobject 'br0' | [ 108.264422] WARNING: CPU: 2 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 108.264853] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 108.265596] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 108.266177] Workqueue: netns cleanup_net [ 108.266388] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 108.266636] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 108.267559] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 108.267837] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 108.268198] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 108.268556] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 108.268924] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc55aa610 [ 108.269290] R13: ffffaa568026be08 R14: ffff952cc55aab80 R15: ffffffffbb478f90 [ 108.269663] FS: 0000000000000000(0000) GS:ffff952cfed00000(0000) knlGS:0000000000000000 [ 108.270073] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 108.270365] CR2: 00007f9dcfeba000 CR3: 00000000025ce003 CR4: 0000000000770ef0 [ 108.270745] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 108.271107] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 108.271466] PKRU: 55555554 [ 108.271609] Call Trace: [ 108.271749] <TASK> [ 108.271868] ? __warn (kernel/panic.c:677) [ 108.272043] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 108.272259] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 108.272454] ? handle_bug (arch/x86/kernel/traps.c:238) [ 108.272640] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 108.272853] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 108.273081] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 108.273301] br_dev_delete (net/bridge/br_if.c:396) [ 108.273493] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 108.273733] cleanup_net (net/core/net_namespace.c:630) [ 108.273928] ? process_one_work (kernel/workqueue.c:2606) [ 108.274148] process_one_work (kernel/workqueue.c:2633) [ 108.274359] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 108.274557] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 108.274788] kthread (kernel/kthread.c:388) [ 108.274959] ? __pfx_kthread (kernel/kthread.c:341) [ 108.275157] ret_from_fork (arch/x86/kernel/process.c:147) [ 108.275349] ? __pfx_kthread (kernel/kthread.c:341) [ 108.275545] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 108.278117] ------------[ cut here ]------------ | [ 108.278396] sysfs group 'bridge' not found for kobject 'br0' | [ 108.278749] WARNING: CPU: 3 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 108.279171] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 108.279992] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 108.280577] Workqueue: netns cleanup_net [ 108.280841] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 108.281121] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 108.282069] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 108.282345] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 108.282711] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 108.283079] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 108.283462] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc55ae610 [ 108.283868] R13: ffffaa568026be08 R14: ffff952cc55aeb80 R15: ffffffffbb478f90 [ 108.284256] FS: 0000000000000000(0000) GS:ffff952cfed80000(0000) knlGS:0000000000000000 [ 108.284714] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 108.285062] CR2: 00007f9530e16000 CR3: 0000000036460006 CR4: 0000000000770ef0 [ 108.285450] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 108.285864] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 108.286249] PKRU: 55555554 [ 108.286394] Call Trace: [ 108.286527] <TASK> [ 108.286644] ? __warn (kernel/panic.c:677) [ 108.286837] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 108.287056] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 108.287252] ? handle_bug (arch/x86/kernel/traps.c:238) [ 108.287438] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 108.287647] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 108.287899] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 108.288117] br_dev_delete (net/bridge/br_if.c:396) [ 108.288307] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 108.288538] cleanup_net (net/core/net_namespace.c:630) [ 108.288743] ? process_one_work (kernel/workqueue.c:2606) [ 108.288979] process_one_work (kernel/workqueue.c:2633) [ 108.289193] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 108.289391] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 108.289614] kthread (kernel/kthread.c:388) [ 108.289816] ? __pfx_kthread (kernel/kthread.c:341) [ 108.290022] ret_from_fork (arch/x86/kernel/process.c:147) [ 108.290240] ? __pfx_kthread (kernel/kthread.c:341) [ 108.290439] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 108.293028] ------------[ cut here ]------------ | [ 108.293264] sysfs group 'bridge' not found for kobject 'br0' | [ 108.293585] WARNING: CPU: 3 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 108.294029] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 108.294782] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 108.295352] Workqueue: netns cleanup_net [ 108.295561] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 108.295822] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 108.296757] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 108.297042] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 108.297400] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 108.297777] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 108.298140] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc4b80610 [ 108.298499] R13: ffffaa568026be08 R14: ffff952cc4b80b80 R15: ffffffffbb478f90 [ 108.298866] FS: 0000000000000000(0000) GS:ffff952cfed80000(0000) knlGS:0000000000000000 [ 108.299272] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 108.299564] CR2: 00007f9530e16000 CR3: 0000000036460006 CR4: 0000000000770ef0 [ 108.299931] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 108.300292] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 108.300649] PKRU: 55555554 [ 108.300837] Call Trace: [ 108.300970] <TASK> [ 108.301088] ? __warn (kernel/panic.c:677) [ 108.301262] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 108.301479] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 108.301680] ? handle_bug (arch/x86/kernel/traps.c:238) [ 108.301866] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 108.302067] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 108.302294] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 108.302511] br_dev_delete (net/bridge/br_if.c:396) [ 108.302720] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 108.302977] cleanup_net (net/core/net_namespace.c:630) [ 108.303202] ? process_one_work (kernel/workqueue.c:2606) [ 108.303449] process_one_work (kernel/workqueue.c:2633) [ 108.303674] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 108.303887] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 108.304134] kthread (kernel/kthread.c:388) [ 108.304303] ? __pfx_kthread (kernel/kthread.c:341) [ 108.304517] ret_from_fork (arch/x86/kernel/process.c:147) [ 108.304722] ? __pfx_kthread (kernel/kthread.c:341) [ 108.304954] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 115.840861] ------------[ cut here ]------------ | [ 115.841130] sysfs group 'bridge' not found for kobject 'br0' | [ 115.841468] WARNING: CPU: 0 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 115.841916] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 115.842733] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 115.843337] Workqueue: netns cleanup_net [ 115.843593] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 115.843879] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 115.844846] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 115.845147] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 115.845552] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 115.845955] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 115.846333] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc3a2c610 [ 115.846734] R13: ffffaa568026be08 R14: ffff952cc3a2cb80 R15: ffff952cc2b65c50 [ 115.847134] FS: 0000000000000000(0000) GS:ffff952cfec00000(0000) knlGS:0000000000000000 [ 115.847579] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 115.847895] CR2: 00007fff9ffa6588 CR3: 0000000002808002 CR4: 0000000000770ef0 [ 115.848290] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 115.848699] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 115.849088] PKRU: 55555554 [ 115.849249] Call Trace: [ 115.849414] <TASK> [ 115.849570] ? __warn (kernel/panic.c:677) [ 115.849784] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 115.850021] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 115.850252] ? handle_bug (arch/x86/kernel/traps.c:238) [ 115.850474] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 115.850731] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 115.850982] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 115.851232] br_dev_delete (net/bridge/br_if.c:396) [ 115.851467] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 115.851732] cleanup_net (net/core/net_namespace.c:630) [ 115.851944] ? process_one_work (kernel/workqueue.c:2606) [ 115.852204] process_one_work (kernel/workqueue.c:2633) [ 115.852453] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 115.852688] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 115.852926] kthread (kernel/kthread.c:388) [ 115.853121] ? __pfx_kthread (kernel/kthread.c:341) [ 115.853355] ret_from_fork (arch/x86/kernel/process.c:147) [ 115.853574] ? __pfx_kthread (kernel/kthread.c:341) [ 115.853795] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 115.964891] ------------[ cut here ]------------ | [ 115.965174] sysfs group 'bridge' not found for kobject 'br0' | [ 115.965522] WARNING: CPU: 0 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 115.965997] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 115.966799] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 115.967424] Workqueue: netns cleanup_net [ 115.967672] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 115.967958] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 115.968940] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 115.969233] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 115.969644] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 115.970052] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 115.970452] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc260c610 [ 115.970890] R13: ffffaa568026be08 R14: ffff952cc260cb80 R15: ffff952cc39f4550 [ 115.971275] FS: 0000000000000000(0000) GS:ffff952cfec00000(0000) knlGS:0000000000000000 [ 115.971731] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 115.972068] CR2: 00007fff9ffa65b8 CR3: 0000000036460001 CR4: 0000000000770ef0 [ 115.972465] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 115.972863] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 115.973273] PKRU: 55555554 [ 115.973449] Call Trace: [ 115.973619] <TASK> [ 115.973776] ? __warn (kernel/panic.c:677) [ 115.973969] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 115.974198] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 115.974428] ? handle_bug (arch/x86/kernel/traps.c:238) [ 115.974664] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 115.974900] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 115.975142] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 115.975394] br_dev_delete (net/bridge/br_if.c:396) [ 115.975639] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 115.975910] cleanup_net (net/core/net_namespace.c:630) [ 115.976127] ? process_one_work (kernel/workqueue.c:2606) [ 115.976376] process_one_work (kernel/workqueue.c:2633) [ 115.976617] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 115.976858] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 115.977109] kthread (kernel/kthread.c:388) [ 115.977293] ? __pfx_kthread (kernel/kthread.c:341) [ 115.977526] ret_from_fork (arch/x86/kernel/process.c:147) [ 115.977775] ? __pfx_kthread (kernel/kthread.c:341) [ 115.977996] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 115.980820] ------------[ cut here ]------------ | [ 115.981097] sysfs group 'bridge' not found for kobject 'br0' | [ 115.981441] WARNING: CPU: 0 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 115.981906] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 115.982724] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 115.983339] Workqueue: netns cleanup_net [ 115.983573] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 115.983845] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 115.984827] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 115.985129] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 115.985524] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 115.985927] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 115.986326] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc49e0610 [ 115.986744] R13: ffffaa568026be08 R14: ffff952cc49e0b80 R15: ffff952cc39f4550 [ 115.987132] FS: 0000000000000000(0000) GS:ffff952cfec00000(0000) knlGS:0000000000000000 [ 115.987558] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 115.987896] CR2: 00007fff9ffa65b8 CR3: 0000000036460001 CR4: 0000000000770ef0 [ 115.988297] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 115.988698] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 115.989076] PKRU: 55555554 [ 115.989253] Call Trace: [ 115.989422] <TASK> [ 115.989573] ? __warn (kernel/panic.c:677) [ 115.989779] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 115.990033] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 115.990275] ? handle_bug (arch/x86/kernel/traps.c:238) [ 115.990487] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 115.990729] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 115.990984] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 115.991236] br_dev_delete (net/bridge/br_if.c:396) [ 115.991460] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 115.991716] cleanup_net (net/core/net_namespace.c:630) [ 115.991947] ? process_one_work (kernel/workqueue.c:2606) [ 115.992208] process_one_work (kernel/workqueue.c:2633) [ 115.992448] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 115.992676] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 115.992927] kthread (kernel/kthread.c:388) [ 115.993130] ? __pfx_kthread (kernel/kthread.c:341) [ 115.993361] ret_from_fork (arch/x86/kernel/process.c:147) [ 115.993566] ? __pfx_kthread (kernel/kthread.c:341) [ 115.993805] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 116.126871] ------------[ cut here ]------------ | [ 116.127145] sysfs group 'bridge' not found for kobject 'br0' | [ 116.127493] WARNING: CPU: 0 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 116.127945] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 116.128743] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 116.129342] Workqueue: netns cleanup_net [ 116.129594] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 116.129871] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 116.130844] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 116.131156] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 116.131549] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 116.131952] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 116.132342] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc1d04610 [ 116.132729] R13: ffffaa568026be08 R14: ffff952cc1d04b80 R15: ffff952cc3892e50 [ 116.133121] FS: 0000000000000000(0000) GS:ffff952cfec00000(0000) knlGS:0000000000000000 [ 116.133555] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 116.133910] CR2: 00007fff9ffa65b8 CR3: 0000000036460001 CR4: 0000000000770ef0 [ 116.134294] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 116.134689] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 116.135103] PKRU: 55555554 [ 116.135275] Call Trace: [ 116.135448] <TASK> [ 116.135593] ? __warn (kernel/panic.c:677) [ 116.135790] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 116.136040] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 116.136263] ? handle_bug (arch/x86/kernel/traps.c:238) [ 116.136500] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 116.136736] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 116.136984] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 116.137232] br_dev_delete (net/bridge/br_if.c:396) [ 116.137453] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 116.137727] cleanup_net (net/core/net_namespace.c:630) [ 116.137946] ? process_one_work (kernel/workqueue.c:2606) [ 116.138180] process_one_work (kernel/workqueue.c:2633) [ 116.138421] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 116.138675] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 116.138931] kthread (kernel/kthread.c:388) [ 116.139121] ? __pfx_kthread (kernel/kthread.c:341) [ 116.139340] ret_from_fork (arch/x86/kernel/process.c:147) [ 116.139553] ? __pfx_kthread (kernel/kthread.c:341) [ 116.139795] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 123.651886] ------------[ cut here ]------------ | [ 123.652239] sysfs group 'bridge' not found for kobject 'br0' | [ 123.652768] WARNING: CPU: 1 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 123.653539] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 123.654988] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 123.656230] Workqueue: netns cleanup_net [ 123.656621] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 123.657067] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 123.658763] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 123.659193] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 123.659821] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 123.660414] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 123.660966] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc29ce610 [ 123.661595] R13: ffffaa568026be08 R14: ffff952cc29ceb80 R15: ffff952cc2b65c50 [ 123.661970] FS: 0000000000000000(0000) GS:ffff952cfec80000(0000) knlGS:0000000000000000 [ 123.662477] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 123.662857] CR2: 00007f07528cb270 CR3: 0000000036460002 CR4: 0000000000770ef0 [ 123.663384] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 123.663752] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 123.664173] PKRU: 55555554 [ 123.664359] Call Trace: [ 123.664571] <TASK> [ 123.664765] ? __warn (kernel/panic.c:677) [ 123.664947] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 123.665164] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 123.665463] ? handle_bug (arch/x86/kernel/traps.c:238) [ 123.665733] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 123.666057] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 123.666432] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 123.666806] br_dev_delete (net/bridge/br_if.c:396) [ 123.667119] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 123.667504] cleanup_net (net/core/net_namespace.c:630) [ 123.667828] ? process_one_work (kernel/workqueue.c:2606) [ 123.668185] process_one_work (kernel/workqueue.c:2633) [ 123.668534] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 123.668847] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 123.669224] kthread (kernel/kthread.c:388) [ 123.669503] ? __pfx_kthread (kernel/kthread.c:341) [ 123.669829] ret_from_fork (arch/x86/kernel/process.c:147) [ 123.670138] ? __pfx_kthread (kernel/kthread.c:341) [ 123.670466] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 123.798882] ------------[ cut here ]------------ | [ 123.799366] sysfs group 'bridge' not found for kobject 'br0' | [ 123.799992] WARNING: CPU: 1 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 123.800859] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 123.802308] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 123.803006] Workqueue: netns cleanup_net [ 123.803221] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 123.803499] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 123.804925] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 123.805417] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 123.806159] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 123.806916] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 123.807668] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc49e0610 [ 123.808478] R13: ffffaa568026be08 R14: ffff952cc49e0b80 R15: ffff952cc3892e50 [ 123.809291] FS: 0000000000000000(0000) GS:ffff952cfec80000(0000) knlGS:0000000000000000 [ 123.810180] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 123.810854] CR2: 00007f07528cb270 CR3: 0000000036460002 CR4: 0000000000770ef0 [ 123.811619] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 123.812349] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 123.813015] PKRU: 55555554 [ 123.813331] Call Trace: [ 123.813560] <TASK> [ 123.813780] ? __warn (kernel/panic.c:677) [ 123.814108] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 123.814509] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 123.814890] ? handle_bug (arch/x86/kernel/traps.c:238) [ 123.815269] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 123.815690] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 123.816153] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 123.816389] br_dev_delete (net/bridge/br_if.c:396) [ 123.816644] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 123.816977] cleanup_net (net/core/net_namespace.c:630) [ 123.817367] ? process_one_work (kernel/workqueue.c:2606) [ 123.817636] process_one_work (kernel/workqueue.c:2633) [ 123.817902] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 123.818196] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 123.818611] kthread (kernel/kthread.c:388) [ 123.818897] ? __pfx_kthread (kernel/kthread.c:341) [ 123.819178] ret_from_fork (arch/x86/kernel/process.c:147) [ 123.819504] ? __pfx_kthread (kernel/kthread.c:341) [ 123.819970] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 123.825361] ------------[ cut here ]------------ | [ 123.826050] sysfs group 'bridge' not found for kobject 'br0' | [ 123.826807] WARNING: CPU: 3 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 123.827667] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 123.829346] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 123.830551] Workqueue: netns cleanup_net [ 123.830993] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 123.831487] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 123.833084] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 123.833465] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 123.833884] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 123.834244] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 123.834601] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc4bfe610 [ 123.834970] R13: ffffaa568026be08 R14: ffff952cc4bfeb80 R15: ffff952cc3892e50 [ 123.835332] FS: 0000000000000000(0000) GS:ffff952cfed80000(0000) knlGS:0000000000000000 [ 123.835748] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 123.836040] CR2: 000055d5779cfdec CR3: 0000000002808005 CR4: 0000000000770ef0 [ 123.836409] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 123.836777] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 123.837136] PKRU: 55555554 [ 123.837279] Call Trace: [ 123.837412] <TASK> [ 123.837529] ? __warn (kernel/panic.c:677) [ 123.837711] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 123.837927] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 123.838128] ? handle_bug (arch/x86/kernel/traps.c:238) [ 123.838314] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 123.838516] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 123.838747] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 123.838965] br_dev_delete (net/bridge/br_if.c:396) [ 123.839158] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 123.839387] cleanup_net (net/core/net_namespace.c:630) [ 123.839578] ? process_one_work (kernel/workqueue.c:2606) [ 123.839806] process_one_work (kernel/workqueue.c:2633) [ 123.840017] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 123.840213] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 123.840435] kthread (kernel/kthread.c:388) [ 123.840604] ? __pfx_kthread (kernel/kthread.c:341) [ 123.840821] ret_from_fork (arch/x86/kernel/process.c:147) [ 123.841011] ? __pfx_kthread (kernel/kthread.c:341) [ 123.841207] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 123.948868] ------------[ cut here ]------------ | [ 123.949152] sysfs group 'bridge' not found for kobject 'br0' | [ 123.949564] WARNING: CPU: 3 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 123.950019] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 123.950815] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 123.951825] Workqueue: netns cleanup_net [ 123.952048] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 123.952484] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 123.954191] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 123.954743] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 123.955465] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 123.956125] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 123.956827] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc49e6610 [ 123.957509] R13: ffffaa568026be08 R14: ffff952cc49e6b80 R15: ffff952cc39f4550 [ 123.958187] FS: 0000000000000000(0000) GS:ffff952cfed80000(0000) knlGS:0000000000000000 [ 123.958996] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 123.959521] CR2: 000055d5789b53b0 CR3: 0000000036460004 CR4: 0000000000770ef0 [ 123.960156] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 123.960849] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 123.961504] PKRU: 55555554 [ 123.961766] Call Trace: [ 123.962019] <TASK> [ 123.962215] ? __warn (kernel/panic.c:677) [ 123.962476] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 123.962825] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 123.963182] ? handle_bug (arch/x86/kernel/traps.c:238) [ 123.963457] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 123.963807] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 123.964216] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 123.964612] br_dev_delete (net/bridge/br_if.c:396) [ 123.964885] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 123.965308] cleanup_net (net/core/net_namespace.c:630) [ 123.965616] ? process_one_work (kernel/workqueue.c:2606) [ 123.965940] process_one_work (kernel/workqueue.c:2633) [ 123.966313] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 123.966636] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 123.966973] kthread (kernel/kthread.c:388) [ 123.967251] ? __pfx_kthread (kernel/kthread.c:341) [ 123.967577] ret_from_fork (arch/x86/kernel/process.c:147) [ 123.967785] ? __pfx_kthread (kernel/kthread.c:341) [ 123.968016] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 131.613887] ------------[ cut here ]------------ | [ 131.614357] sysfs group 'bridge' not found for kobject 'br0' | [ 131.614832] WARNING: CPU: 3 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 131.615568] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 131.616625] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 131.617337] Workqueue: netns cleanup_net [ 131.617650] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 131.617958] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 131.619122] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 131.619579] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 131.620139] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 131.620673] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 131.621313] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc1934610 [ 131.622033] R13: ffffaa568026be08 R14: ffff952cc1934b80 R15: ffff952cc2b60050 [ 131.622753] FS: 0000000000000000(0000) GS:ffff952cfed80000(0000) knlGS:0000000000000000 [ 131.623586] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 131.624157] CR2: 00007f7f7acbd000 CR3: 0000000036460006 CR4: 0000000000770ef0 [ 131.624874] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 131.625599] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 131.626271] PKRU: 55555554 [ 131.626552] Call Trace: [ 131.626825] <TASK> [ 131.627054] ? __warn (kernel/panic.c:677) [ 131.627381] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 131.627817] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 131.628211] ? handle_bug (arch/x86/kernel/traps.c:238) [ 131.628540] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 131.628922] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 131.629356] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 131.629709] br_dev_delete (net/bridge/br_if.c:396) [ 131.630049] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 131.630452] cleanup_net (net/core/net_namespace.c:630) [ 131.630846] ? process_one_work (kernel/workqueue.c:2606) [ 131.631243] process_one_work (kernel/workqueue.c:2633) [ 131.631639] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 131.631948] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 131.632345] kthread (kernel/kthread.c:388) [ 131.632605] ? __pfx_kthread (kernel/kthread.c:341) [ 131.633000] ret_from_fork (arch/x86/kernel/process.c:147) [ 131.633302] ? __pfx_kthread (kernel/kthread.c:341) [ 131.633673] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 131.731819] ------------[ cut here ]------------ | [ 131.732294] sysfs group 'bridge' not found for kobject 'br0' | [ 131.732814] WARNING: CPU: 3 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 131.733610] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 131.734538] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 131.735420] Workqueue: netns cleanup_net [ 131.735629] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 131.735884] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 131.737244] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 131.737557] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 131.738158] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 131.738949] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 131.739667] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc4bfc610 [ 131.740431] R13: ffffaa568026be08 R14: ffff952cc4bfcb80 R15: ffff952cc39f4550 [ 131.741192] FS: 0000000000000000(0000) GS:ffff952cfed80000(0000) knlGS:0000000000000000 [ 131.742204] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 131.742912] CR2: 00007f7f7acbd000 CR3: 0000000036460006 CR4: 0000000000770ef0 [ 131.743620] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 131.744279] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 131.744974] PKRU: 55555554 [ 131.745274] Call Trace: [ 131.745508] <TASK> [ 131.745739] ? __warn (kernel/panic.c:677) [ 131.746071] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 131.746426] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 131.746804] ? handle_bug (arch/x86/kernel/traps.c:238) [ 131.747151] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 131.747536] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 131.747896] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 131.748350] br_dev_delete (net/bridge/br_if.c:396) [ 131.748676] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 131.749092] cleanup_net (net/core/net_namespace.c:630) [ 131.749399] ? process_one_work (kernel/workqueue.c:2606) [ 131.749832] process_one_work (kernel/workqueue.c:2633) [ 131.750189] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 131.750569] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 131.750823] kthread (kernel/kthread.c:388) [ 131.751029] ? __pfx_kthread (kernel/kthread.c:341) [ 131.751243] ret_from_fork (arch/x86/kernel/process.c:147) [ 131.751483] ? __pfx_kthread (kernel/kthread.c:341) [ 131.751797] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 131.755695] ------------[ cut here ]------------ | [ 131.755943] sysfs group 'bridge' not found for kobject 'br0' | [ 131.756417] WARNING: CPU: 3 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 131.757171] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 131.758660] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 131.759794] Workqueue: netns cleanup_net [ 131.760169] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 131.760720] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 131.762649] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 131.763186] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 131.763871] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 131.764601] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 131.765099] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc4bfe610 [ 131.765565] R13: ffffaa568026be08 R14: ffff952cc4bfeb80 R15: ffff952cc39f4550 [ 131.765931] FS: 0000000000000000(0000) GS:ffff952cfed80000(0000) knlGS:0000000000000000 [ 131.766338] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 131.766629] CR2: 00007f7f7acbd000 CR3: 0000000036460006 CR4: 0000000000770ef0 [ 131.767220] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 131.767742] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 131.768147] PKRU: 55555554 [ 131.768388] Call Trace: [ 131.768591] <TASK> [ 131.768803] ? __warn (kernel/panic.c:677) [ 131.769093] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 131.769504] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 131.769860] ? handle_bug (arch/x86/kernel/traps.c:238) [ 131.770204] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 131.770622] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 131.771048] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 131.771441] br_dev_delete (net/bridge/br_if.c:396) [ 131.771802] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 131.772229] cleanup_net (net/core/net_namespace.c:630) [ 131.772593] ? process_one_work (kernel/workqueue.c:2606) [ 131.773282] process_one_work (kernel/workqueue.c:2633) [ 131.773941] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 131.774343] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 131.774740] kthread (kernel/kthread.c:388) [ 131.775049] ? __pfx_kthread (kernel/kthread.c:341) [ 131.775438] ret_from_fork (arch/x86/kernel/process.c:147) [ 131.775801] ? __pfx_kthread (kernel/kthread.c:341) [ 131.776150] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 131.898870] ------------[ cut here ]------------ | [ 131.899324] sysfs group 'bridge' not found for kobject 'br0' | [ 131.899904] WARNING: CPU: 3 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 131.900592] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 131.901895] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 131.902966] Workqueue: netns cleanup_net [ 131.903344] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 131.903759] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 131.905211] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 131.905525] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 131.906014] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 131.906540] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 131.906991] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc3a2e610 [ 131.907355] R13: ffffaa568026be08 R14: ffff952cc3a2eb80 R15: ffff952cc2b62e50 [ 131.907829] FS: 0000000000000000(0000) GS:ffff952cfed80000(0000) knlGS:0000000000000000 [ 131.908514] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 131.908851] CR2: 00007f7f7acbd000 CR3: 0000000036460006 CR4: 0000000000770ef0 [ 131.909524] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 131.910235] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 131.910982] PKRU: 55555554 [ 131.911244] Call Trace: [ 131.911490] <TASK> [ 131.911707] ? __warn (kernel/panic.c:677) [ 131.912076] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 131.912508] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 131.912905] ? handle_bug (arch/x86/kernel/traps.c:238) [ 131.913261] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 131.913639] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 131.914064] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 131.914499] br_dev_delete (net/bridge/br_if.c:396) [ 131.914888] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 131.915329] cleanup_net (net/core/net_namespace.c:630) [ 131.915678] ? process_one_work (kernel/workqueue.c:2606) [ 131.916104] process_one_work (kernel/workqueue.c:2633) [ 131.916520] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 131.916912] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 131.917319] kthread (kernel/kthread.c:388) [ 131.917665] ? __pfx_kthread (kernel/kthread.c:341) [ 131.918006] ret_from_fork (arch/x86/kernel/process.c:147) [ 131.918359] ? __pfx_kthread (kernel/kthread.c:341) [ 131.918727] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 142.215873] ------------[ cut here ]------------ | [ 142.216355] sysfs group 'bridge' not found for kobject 'br0' | [ 142.216982] WARNING: CPU: 1 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 142.217799] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 142.219231] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 142.220353] Workqueue: netns cleanup_net [ 142.220752] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 142.221241] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 142.223010] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 142.223572] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 142.224195] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 142.224879] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 142.225603] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc2a62610 [ 142.226236] R13: ffffaa568026be08 R14: ffff952cc2a62b80 R15: ffff952cc2b60050 [ 142.226886] FS: 0000000000000000(0000) GS:ffff952cfec80000(0000) knlGS:0000000000000000 [ 142.227620] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 142.228203] CR2: 00007fff9ffa6588 CR3: 0000000002808002 CR4: 0000000000770ef0 [ 142.228569] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 142.229083] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 142.229589] PKRU: 55555554 [ 142.229783] Call Trace: [ 142.230061] <TASK> [ 142.230225] ? __warn (kernel/panic.c:677) [ 142.230401] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 142.230631] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 142.230841] ? handle_bug (arch/x86/kernel/traps.c:238) [ 142.231106] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 142.231435] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 142.231856] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 142.232074] br_dev_delete (net/bridge/br_if.c:396) [ 142.232443] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 142.232837] cleanup_net (net/core/net_namespace.c:630) [ 142.233266] ? process_one_work (kernel/workqueue.c:2606) [ 142.233720] process_one_work (kernel/workqueue.c:2633) [ 142.234166] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 142.234633] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 142.235103] kthread (kernel/kthread.c:388) [ 142.235490] ? __pfx_kthread (kernel/kthread.c:341) [ 142.235963] ret_from_fork (arch/x86/kernel/process.c:147) [ 142.236364] ? __pfx_kthread (kernel/kthread.c:341) [ 142.236793] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 142.386967] ------------[ cut here ]------------ | [ 142.387682] sysfs group 'bridge' not found for kobject 'br0' | [ 142.388540] WARNING: CPU: 1 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 142.389681] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 142.391805] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 142.393313] Workqueue: netns cleanup_net [ 142.393798] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 142.394417] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 142.396687] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 142.397218] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 142.397800] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 142.398445] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 142.399011] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc29ce610 [ 142.399561] R13: ffffaa568026be08 R14: ffff952cc29ceb80 R15: ffffffffbb478f90 [ 142.400108] FS: 0000000000000000(0000) GS:ffff952cfec80000(0000) knlGS:0000000000000000 [ 142.400631] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 142.400935] CR2: 00007fff9ffa6588 CR3: 0000000036460001 CR4: 0000000000770ef0 [ 142.401296] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 142.401677] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 142.402039] PKRU: 55555554 [ 142.402185] Call Trace: [ 142.402319] <TASK> [ 142.402451] ? __warn (kernel/panic.c:677) [ 142.402732] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 142.403069] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 142.403269] ? handle_bug (arch/x86/kernel/traps.c:238) [ 142.403465] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 142.403676] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 142.403903] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 142.404121] br_dev_delete (net/bridge/br_if.c:396) [ 142.404314] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 142.404556] cleanup_net (net/core/net_namespace.c:630) [ 142.404755] ? process_one_work (kernel/workqueue.c:2606) [ 142.404974] process_one_work (kernel/workqueue.c:2633) [ 142.405189] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 142.405387] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 142.405616] kthread (kernel/kthread.c:388) [ 142.405795] ? __pfx_kthread (kernel/kthread.c:341) [ 142.405993] ret_from_fork (arch/x86/kernel/process.c:147) [ 142.406183] ? __pfx_kthread (kernel/kthread.c:341) [ 142.406381] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 142.410150] ------------[ cut here ]------------ | [ 142.410411] sysfs group 'bridge' not found for kobject 'br0' | [ 142.410749] WARNING: CPU: 3 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 142.411192] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 142.411940] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 142.412541] Workqueue: netns cleanup_net [ 142.412754] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 142.413004] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 142.413965] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 142.414234] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 142.414623] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 142.414993] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 142.415354] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc3a28610 [ 142.415750] R13: ffffaa568026be08 R14: ffff952cc3a28b80 R15: ffffffffbb478f90 [ 142.416117] FS: 0000000000000000(0000) GS:ffff952cfed80000(0000) knlGS:0000000000000000 [ 142.416527] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 142.416858] CR2: 000055d5779cfdec CR3: 0000000002808005 CR4: 0000000000770ef0 [ 142.417219] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 142.417581] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 142.417977] PKRU: 55555554 [ 142.418142] Call Trace: [ 142.418283] <TASK> [ 142.418401] ? __warn (kernel/panic.c:677) [ 142.418575] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 142.418815] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 142.419029] ? handle_bug (arch/x86/kernel/traps.c:238) [ 142.419216] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 142.419417] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 142.419640] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 142.419870] br_dev_delete (net/bridge/br_if.c:396) [ 142.420091] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 142.420323] cleanup_net (net/core/net_namespace.c:630) [ 142.420517] ? process_one_work (kernel/workqueue.c:2606) [ 142.420754] process_one_work (kernel/workqueue.c:2633) [ 142.420967] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 142.421202] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 142.421425] kthread (kernel/kthread.c:388) [ 142.421596] ? __pfx_kthread (kernel/kthread.c:341) [ 142.421801] ret_from_fork (arch/x86/kernel/process.c:147) [ 142.421995] ? __pfx_kthread (kernel/kthread.c:341) [ 142.422214] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 142.424807] ------------[ cut here ]------------ | [ 142.425047] sysfs group 'bridge' not found for kobject 'br0' | [ 142.425354] WARNING: CPU: 3 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 142.425798] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 142.426535] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 142.427141] Workqueue: netns cleanup_net [ 142.427347] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 142.427595] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 142.428556] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 142.428830] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 142.429217] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 142.429579] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 142.429947] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc29ca610 [ 142.430334] R13: ffffaa568026be08 R14: ffff952cc29cab80 R15: ffffffffbb478f90 [ 142.430749] FS: 0000000000000000(0000) GS:ffff952cfed80000(0000) knlGS:0000000000000000 [ 142.431202] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 142.431498] CR2: 000055d5779cfdec CR3: 0000000002808005 CR4: 0000000000770ef0 [ 142.431877] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 142.432250] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 142.432629] PKRU: 55555554 [ 142.432780] Call Trace: [ 142.432915] <TASK> [ 142.433031] ? __warn (kernel/panic.c:677) [ 142.433204] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 142.433450] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 142.433646] ? handle_bug (arch/x86/kernel/traps.c:238) [ 142.433840] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 142.434043] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 142.434266] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 142.434506] br_dev_delete (net/bridge/br_if.c:396) [ 142.434713] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 142.434948] cleanup_net (net/core/net_namespace.c:630) [ 142.435147] ? process_one_work (kernel/workqueue.c:2606) [ 142.435364] process_one_work (kernel/workqueue.c:2633) [ 142.435588] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 142.435818] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 142.436043] kthread (kernel/kthread.c:388) [ 142.436214] ? __pfx_kthread (kernel/kthread.c:341) [ 142.436422] ret_from_fork (arch/x86/kernel/process.c:147) [ 142.436622] ? __pfx_kthread (kernel/kthread.c:341) [ 142.436862] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 185.031937] ------------[ cut here ]------------ | [ 185.032236] sysfs group 'bridge' not found for kobject 'br0' | [ 185.032587] WARNING: CPU: 0 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 185.033086] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 185.033955] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 185.034590] Workqueue: netns cleanup_net [ 185.034848] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 185.035144] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 185.036157] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 185.036484] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 185.036902] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 185.037307] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 185.037731] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc55ae610 [ 185.038108] R13: ffffaa568026be08 R14: ffff952cc55aeb80 R15: ffff952cc2b64550 [ 185.038525] FS: 0000000000000000(0000) GS:ffff952cfec00000(0000) knlGS:0000000000000000 [ 185.039001] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 185.039380] CR2: 00007fff9ffa6588 CR3: 0000000002808006 CR4: 0000000000770ef0 [ 185.039804] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 185.040220] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 185.040645] PKRU: 55555554 [ 185.040836] Call Trace: [ 185.041017] <TASK> [ 185.041195] ? __warn (kernel/panic.c:677) [ 185.041374] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 185.041637] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 185.041883] ? handle_bug (arch/x86/kernel/traps.c:238) [ 185.042111] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 185.042356] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 185.042633] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 185.042909] br_dev_delete (net/bridge/br_if.c:396) [ 185.043138] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 185.043435] cleanup_net (net/core/net_namespace.c:630) [ 185.043664] ? process_one_work (kernel/workqueue.c:2606) [ 185.043909] process_one_work (kernel/workqueue.c:2633) [ 185.044126] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 185.044326] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 185.044551] kthread (kernel/kthread.c:388) [ 185.044729] ? __pfx_kthread (kernel/kthread.c:341) [ 185.044973] ret_from_fork (arch/x86/kernel/process.c:147) [ 185.045269] ? __pfx_kthread (kernel/kthread.c:341) [ 185.045507] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 185.156915] ------------[ cut here ]------------ | [ 185.157194] sysfs group 'bridge' not found for kobject 'br0' | [ 185.157566] WARNING: CPU: 0 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 185.158027] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 185.158893] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 185.159545] Workqueue: netns cleanup_net [ 185.159800] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 185.160095] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 185.161064] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 185.161375] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 185.161806] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 185.162203] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 185.162593] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc4bfe610 [ 185.163026] R13: ffffaa568026be08 R14: ffff952cc4bfeb80 R15: ffff952cc39f4550 [ 185.163476] FS: 0000000000000000(0000) GS:ffff952cfec00000(0000) knlGS:0000000000000000 [ 185.163939] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 185.164253] CR2: 00007fff9ffa6588 CR3: 0000000036460005 CR4: 0000000000770ef0 [ 185.164663] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 185.165090] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 185.165482] PKRU: 55555554 [ 185.165645] Call Trace: [ 185.165836] <TASK> [ 185.165991] ? __warn (kernel/panic.c:677) [ 185.166198] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 185.166437] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 185.166689] ? handle_bug (arch/x86/kernel/traps.c:238) [ 185.166931] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 185.167164] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 185.167442] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 185.167719] br_dev_delete (net/bridge/br_if.c:396) [ 185.167956] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 185.168217] cleanup_net (net/core/net_namespace.c:630) [ 185.168430] ? process_one_work (kernel/workqueue.c:2606) [ 185.168691] process_one_work (kernel/workqueue.c:2633) [ 185.168970] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 185.169240] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 185.169514] kthread (kernel/kthread.c:388) [ 185.169736] ? __pfx_kthread (kernel/kthread.c:341) [ 185.169992] ret_from_fork (arch/x86/kernel/process.c:147) [ 185.170235] ? __pfx_kthread (kernel/kthread.c:341) [ 185.170483] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 185.173462] ------------[ cut here ]------------ | [ 185.173762] sysfs group 'bridge' not found for kobject 'br0' | [ 185.174161] WARNING: CPU: 0 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 185.174601] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 185.175460] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 185.176105] Workqueue: netns cleanup_net [ 185.176360] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 185.176636] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 185.177613] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 185.177926] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 185.178329] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 185.178716] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 185.179127] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc55a8610 [ 185.179567] R13: ffffaa568026be08 R14: ffff952cc55a8b80 R15: ffff952cc39f4550 [ 185.179967] FS: 0000000000000000(0000) GS:ffff952cfec00000(0000) knlGS:0000000000000000 [ 185.180413] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 185.180751] CR2: 00007fff9ffa6588 CR3: 0000000036460005 CR4: 0000000000770ef0 [ 185.181161] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 185.181565] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 185.181961] PKRU: 55555554 [ 185.182148] Call Trace: [ 185.182321] <TASK> [ 185.182467] ? __warn (kernel/panic.c:677) [ 185.182668] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 185.182932] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 185.183176] ? handle_bug (arch/x86/kernel/traps.c:238) [ 185.183424] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 185.183644] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 185.183910] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 185.184171] br_dev_delete (net/bridge/br_if.c:396) [ 185.184394] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 185.184642] cleanup_net (net/core/net_namespace.c:630) [ 185.184875] ? process_one_work (kernel/workqueue.c:2606) [ 185.185134] process_one_work (kernel/workqueue.c:2633) [ 185.185385] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 185.185602] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 185.185868] kthread (kernel/kthread.c:388) [ 185.186092] ? __pfx_kthread (kernel/kthread.c:341) [ 185.186319] ret_from_fork (arch/x86/kernel/process.c:147) [ 185.186527] ? __pfx_kthread (kernel/kthread.c:341) [ 185.186765] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 185.368013] ------------[ cut here ]------------ | [ 185.368420] sysfs group 'bridge' not found for kobject 'br0' | [ 185.368907] WARNING: CPU: 0 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 185.369532] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 185.370693] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 185.371566] Workqueue: netns cleanup_net [ 185.371901] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 185.372281] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 185.373710] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 185.374124] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 185.374689] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 185.375248] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 185.375804] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc3a28610 [ 185.376352] R13: ffffaa568026be08 R14: ffff952cc3a28b80 R15: ffff952cc2b60050 [ 185.376913] FS: 0000000000000000(0000) GS:ffff952cfec00000(0000) knlGS:0000000000000000 [ 185.377532] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 185.377996] CR2: 00007fff9ffa6588 CR3: 0000000036460005 CR4: 0000000000770ef0 [ 185.378551] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 185.379117] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 185.379677] PKRU: 55555554 [ 185.379899] Call Trace: [ 185.380104] <TASK> [ 185.380285] ? __warn (kernel/panic.c:677) [ 185.380559] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 185.380906] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 185.381208] ? handle_bug (arch/x86/kernel/traps.c:238) [ 185.381491] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 185.381814] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 185.382161] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 185.382504] br_dev_delete (net/bridge/br_if.c:396) [ 185.382818] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 185.383177] cleanup_net (net/core/net_namespace.c:630) [ 185.383478] ? process_one_work (kernel/workqueue.c:2606) [ 185.383834] process_one_work (kernel/workqueue.c:2633) [ 185.384165] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 185.384473] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 185.384831] kthread (kernel/kthread.c:388) [ 185.385095] ? __pfx_kthread (kernel/kthread.c:341) [ 185.385405] ret_from_fork (arch/x86/kernel/process.c:147) [ 185.385711] ? __pfx_kthread (kernel/kthread.c:341) [ 185.386020] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 195.812900] ------------[ cut here ]------------ | [ 195.813349] sysfs group 'bridge' not found for kobject 'br0' | [ 195.813909] WARNING: CPU: 2 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 195.814649] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 195.815845] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 195.816779] Workqueue: netns cleanup_net [ 195.817137] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 195.817556] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 195.818798] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 195.819191] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 195.819668] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 195.820141] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 195.820520] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc49b4610 [ 195.820896] R13: ffffaa568026be08 R14: ffff952cc49b4b80 R15: ffff952cc2b61750 [ 195.821455] FS: 0000000000000000(0000) GS:ffff952cfed00000(0000) knlGS:0000000000000000 [ 195.821984] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 195.822418] CR2: 00007fff9ffa6588 CR3: 0000000036460006 CR4: 0000000000770ef0 [ 195.823029] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 195.823722] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 195.824423] PKRU: 55555554 [ 195.824704] Call Trace: [ 195.824976] <TASK> [ 195.825194] ? __warn (kernel/panic.c:677) [ 195.825538] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 195.825978] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 195.826364] ? handle_bug (arch/x86/kernel/traps.c:238) [ 195.826723] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 195.827094] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 195.827494] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 195.827913] br_dev_delete (net/bridge/br_if.c:396) [ 195.828320] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 195.828750] cleanup_net (net/core/net_namespace.c:630) [ 195.829125] ? process_one_work (kernel/workqueue.c:2606) [ 195.829560] process_one_work (kernel/workqueue.c:2633) [ 195.829967] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 195.830314] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 195.830664] kthread (kernel/kthread.c:388) [ 195.830918] ? __pfx_kthread (kernel/kthread.c:341) [ 195.831297] ret_from_fork (arch/x86/kernel/process.c:147) [ 195.831668] ? __pfx_kthread (kernel/kthread.c:341) [ 195.831996] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 195.954968] ------------[ cut here ]------------ | [ 195.955508] sysfs group 'bridge' not found for kobject 'br0' | [ 195.956239] WARNING: CPU: 2 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 195.957244] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 195.959076] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 195.960509] Workqueue: netns cleanup_net [ 195.960993] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 195.961593] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 195.963045] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 195.963318] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 195.963691] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 195.964059] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 195.964514] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc49b6610 [ 195.965129] R13: ffffaa568026be08 R14: ffff952cc49b6b80 R15: ffff952cc2b60050 [ 195.965611] FS: 0000000000000000(0000) GS:ffff952cfed00000(0000) knlGS:0000000000000000 [ 195.966360] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 195.966975] CR2: 00007fff9ffa6588 CR3: 0000000036460006 CR4: 0000000000770ef0 [ 195.967708] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 195.968508] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 195.969214] PKRU: 55555554 [ 195.969484] Call Trace: [ 195.969732] <TASK> [ 195.969957] ? __warn (kernel/panic.c:677) [ 195.970247] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 195.970582] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 195.970911] ? handle_bug (arch/x86/kernel/traps.c:238) [ 195.971243] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 195.971578] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 195.971948] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 195.972290] br_dev_delete (net/bridge/br_if.c:396) [ 195.972594] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 195.972973] cleanup_net (net/core/net_namespace.c:630) [ 195.973300] ? process_one_work (kernel/workqueue.c:2606) [ 195.973586] process_one_work (kernel/workqueue.c:2633) [ 195.973930] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 195.974196] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 195.974569] kthread (kernel/kthread.c:388) [ 195.974810] ? __pfx_kthread (kernel/kthread.c:341) [ 195.975146] ret_from_fork (arch/x86/kernel/process.c:147) [ 195.975403] ? __pfx_kthread (kernel/kthread.c:341) [ 195.975738] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 195.979038] ------------[ cut here ]------------ | [ 195.979301] sysfs group 'bridge' not found for kobject 'br0' | [ 195.979759] WARNING: CPU: 2 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 195.980273] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 195.981409] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 195.982349] Workqueue: netns cleanup_net [ 195.982699] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 195.983093] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 195.984625] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 195.985067] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 195.985677] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 195.986256] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 195.986876] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc49b0610 [ 195.987487] R13: ffffaa568026be08 R14: ffff952cc49b0b80 R15: ffff952cc2b60050 [ 195.988037] FS: 0000000000000000(0000) GS:ffff952cfed00000(0000) knlGS:0000000000000000 [ 195.988683] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 195.989152] CR2: 00007fff9ffa6588 CR3: 0000000036460006 CR4: 0000000000770ef0 [ 195.989726] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 195.990269] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 195.990844] PKRU: 55555554 [ 195.991080] Call Trace: [ 195.991298] <TASK> [ 195.991417] ? __warn (kernel/panic.c:677) [ 195.991593] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 195.991839] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 195.992063] ? handle_bug (arch/x86/kernel/traps.c:238) [ 195.992315] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 195.992517] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 195.992747] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 195.992969] br_dev_delete (net/bridge/br_if.c:396) [ 195.993162] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 195.993392] cleanup_net (net/core/net_namespace.c:630) [ 195.993586] ? process_one_work (kernel/workqueue.c:2606) [ 195.993815] process_one_work (kernel/workqueue.c:2633) [ 195.994029] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 195.994228] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 195.994454] kthread (kernel/kthread.c:388) [ 195.994625] ? __pfx_kthread (kernel/kthread.c:341) [ 195.994833] ret_from_fork (arch/x86/kernel/process.c:147) [ 195.995027] ? __pfx_kthread (kernel/kthread.c:341) [ 195.995225] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 196.191911] ------------[ cut here ]------------ | [ 196.192358] sysfs group 'bridge' not found for kobject 'br0' | [ 196.192954] WARNING: CPU: 3 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 196.193748] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 196.195182] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 196.195884] Workqueue: netns cleanup_net [ 196.196176] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 196.196528] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 196.197805] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 196.198091] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 196.198677] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 196.199277] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 196.199743] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc49e6610 [ 196.200366] R13: ffffaa568026be08 R14: ffff952cc49e6b80 R15: ffff952cc3892e50 [ 196.201037] FS: 0000000000000000(0000) GS:ffff952cfed80000(0000) knlGS:0000000000000000 [ 196.201740] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 196.202254] CR2: 00007f351430f000 CR3: 0000000036460001 CR4: 0000000000770ef0 [ 196.202908] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 196.203512] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 196.204120] PKRU: 55555554 [ 196.204364] Call Trace: [ 196.204599] <TASK> [ 196.204816] ? __warn (kernel/panic.c:677) [ 196.205119] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 196.205556] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 196.205887] ? handle_bug (arch/x86/kernel/traps.c:238) [ 196.206175] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 196.206545] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 196.206964] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 196.207326] br_dev_delete (net/bridge/br_if.c:396) [ 196.207710] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 196.208130] cleanup_net (net/core/net_namespace.c:630) [ 196.208486] ? process_one_work (kernel/workqueue.c:2606) [ 196.208901] process_one_work (kernel/workqueue.c:2633) [ 196.209304] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 196.209682] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 196.210043] kthread (kernel/kthread.c:388) [ 196.210361] ? __pfx_kthread (kernel/kthread.c:341) [ 196.210662] ret_from_fork (arch/x86/kernel/process.c:147) [ 196.210980] ? __pfx_kthread (kernel/kthread.c:341) [ 196.211314] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 238.574968] ------------[ cut here ]------------ | [ 238.575380] sysfs group 'bridge' not found for kobject 'br0' | [ 238.575873] WARNING: CPU: 3 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 238.576562] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 238.577936] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 238.578819] Workqueue: netns cleanup_net [ 238.579174] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 238.579569] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 238.581139] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 238.581637] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 238.582027] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 238.582465] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 238.582943] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc49e6610 [ 238.583494] R13: ffffaa568026be08 R14: ffff952cc49e6b80 R15: ffff952cc3890050 [ 238.583885] FS: 0000000000000000(0000) GS:ffff952cfed80000(0000) knlGS:0000000000000000 [ 238.584392] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 238.584840] CR2: 00007f3dbe7ea000 CR3: 0000000036460001 CR4: 0000000000770ef0 [ 238.585315] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 238.585769] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 238.586317] PKRU: 55555554 [ 238.586559] Call Trace: [ 238.586780] <TASK> [ 238.586961] ? __warn (kernel/panic.c:677) [ 238.587271] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 238.587630] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 238.587935] ? handle_bug (arch/x86/kernel/traps.c:238) [ 238.588253] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 238.588597] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 238.588965] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 238.589326] br_dev_delete (net/bridge/br_if.c:396) [ 238.589673] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 238.590069] cleanup_net (net/core/net_namespace.c:630) [ 238.590397] ? process_one_work (kernel/workqueue.c:2606) [ 238.590776] process_one_work (kernel/workqueue.c:2633) [ 238.591126] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 238.591461] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 238.591833] kthread (kernel/kthread.c:388) [ 238.592120] ? __pfx_kthread (kernel/kthread.c:341) [ 238.592442] ret_from_fork (arch/x86/kernel/process.c:147) [ 238.592754] ? __pfx_kthread (kernel/kthread.c:341) [ 238.593086] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 238.726851] ------------[ cut here ]------------ | [ 238.727342] sysfs group 'bridge' not found for kobject 'br0' | [ 238.727943] WARNING: CPU: 1 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 238.728748] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 238.730281] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 238.731383] Workqueue: netns cleanup_net [ 238.731807] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 238.732286] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 238.733886] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 238.734347] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 238.734992] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 238.735611] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 238.736251] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc2a62610 [ 238.736891] R13: ffffaa568026be08 R14: ffff952cc2a62b80 R15: ffffffffbb478f90 [ 238.737254] FS: 0000000000000000(0000) GS:ffff952cfec80000(0000) knlGS:0000000000000000 [ 238.737737] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 238.738173] CR2: 00007f12d1ad3000 CR3: 0000000036460004 CR4: 0000000000770ef0 [ 238.738585] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 238.738969] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 238.739548] PKRU: 55555554 [ 238.739790] Call Trace: [ 238.739994] <TASK> [ 238.740125] ? __warn (kernel/panic.c:677) [ 238.740333] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 238.740782] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 238.741227] ? handle_bug (arch/x86/kernel/traps.c:238) [ 238.741557] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 238.741962] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 238.742349] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 238.742715] br_dev_delete (net/bridge/br_if.c:396) [ 238.743067] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 238.743461] cleanup_net (net/core/net_namespace.c:630) [ 238.743827] ? process_one_work (kernel/workqueue.c:2606) [ 238.744234] process_one_work (kernel/workqueue.c:2633) [ 238.744670] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 238.745204] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 238.745827] kthread (kernel/kthread.c:388) [ 238.746251] ? __pfx_kthread (kernel/kthread.c:341) [ 238.746662] ret_from_fork (arch/x86/kernel/process.c:147) [ 238.747041] ? __pfx_kthread (kernel/kthread.c:341) [ 238.747394] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 238.751892] ------------[ cut here ]------------ | [ 238.752157] sysfs group 'bridge' not found for kobject 'br0' | [ 238.752513] WARNING: CPU: 0 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 238.752980] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 238.753809] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 238.754402] Workqueue: netns cleanup_net [ 238.754650] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 238.754949] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 238.755980] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 238.756280] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 238.756677] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 238.757124] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 238.757485] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc1934610 [ 238.757894] R13: ffffaa568026be08 R14: ffff952cc1934b80 R15: ffffffffbb478f90 [ 238.758308] FS: 0000000000000000(0000) GS:ffff952cfec00000(0000) knlGS:0000000000000000 [ 238.758755] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 238.759098] CR2: 000055d5779cfdec CR3: 0000000002808006 CR4: 0000000000770ef0 [ 238.759498] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 238.759870] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 238.760245] PKRU: 55555554 [ 238.760390] Call Trace: [ 238.760524] <TASK> [ 238.760640] ? __warn (kernel/panic.c:677) [ 238.760819] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 238.761039] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 238.761235] ? handle_bug (arch/x86/kernel/traps.c:238) [ 238.761422] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 238.761627] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 238.761855] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 238.762075] br_dev_delete (net/bridge/br_if.c:396) [ 238.762267] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 238.762499] cleanup_net (net/core/net_namespace.c:630) [ 238.762700] ? process_one_work (kernel/workqueue.c:2606) [ 238.762919] process_one_work (kernel/workqueue.c:2633) [ 238.763134] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 238.763335] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 238.763571] kthread (kernel/kthread.c:388) [ 238.763746] ? __pfx_kthread (kernel/kthread.c:341) [ 238.763948] ret_from_fork (arch/x86/kernel/process.c:147) [ 238.764138] ? __pfx_kthread (kernel/kthread.c:341) [ 238.764334] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 238.766868] ------------[ cut here ]------------ | [ 238.767108] sysfs group 'bridge' not found for kobject 'br0' | [ 238.767416] WARNING: CPU: 0 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 238.767830] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 238.768569] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 238.769146] Workqueue: netns cleanup_net [ 238.769352] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 238.769600] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 238.770532] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 238.770807] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 238.771169] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 238.771532] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 238.771898] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc49e4610 [ 238.772259] R13: ffffaa568026be08 R14: ffff952cc49e4b80 R15: ffffffffbb478f90 [ 238.772622] FS: 0000000000000000(0000) GS:ffff952cfec00000(0000) knlGS:0000000000000000 [ 238.773036] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 238.773331] CR2: 000055d5779cfdec CR3: 0000000002808006 CR4: 0000000000770ef0 [ 238.773699] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 238.774061] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 238.774422] PKRU: 55555554 [ 238.774565] Call Trace: [ 238.774706] <TASK> [ 238.774822] ? __warn (kernel/panic.c:677) [ 238.774995] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 238.775215] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 238.775410] ? handle_bug (arch/x86/kernel/traps.c:238) [ 238.775595] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 238.775803] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 238.776024] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 238.776247] br_dev_delete (net/bridge/br_if.c:396) [ 238.776438] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 238.776674] cleanup_net (net/core/net_namespace.c:630) [ 238.776866] ? process_one_work (kernel/workqueue.c:2606) [ 238.777083] process_one_work (kernel/workqueue.c:2633) [ 238.777295] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 238.777494] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 238.777725] kthread (kernel/kthread.c:388) [ 238.777894] ? __pfx_kthread (kernel/kthread.c:341) [ 238.778092] ret_from_fork (arch/x86/kernel/process.c:147) [ 238.778282] ? __pfx_kthread (kernel/kthread.c:341) [ 238.778479] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 247.262936] ------------[ cut here ]------------ | [ 247.263357] sysfs group 'bridge' not found for kobject 'br0' | [ 247.263678] WARNING: CPU: 3 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 247.264262] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 247.265514] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 247.266523] Workqueue: netns cleanup_net [ 247.266893] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 247.267286] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 247.268884] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 247.269337] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 247.269937] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 247.270526] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 247.271113] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc4b84610 [ 247.271698] R13: ffffaa568026be08 R14: ffff952cc4b84b80 R15: ffff952cc3891750 [ 247.272284] FS: 0000000000000000(0000) GS:ffff952cfed80000(0000) knlGS:0000000000000000 [ 247.272884] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 247.273341] CR2: 00007f55b0a1b000 CR3: 0000000036460003 CR4: 0000000000770ef0 [ 247.273863] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 247.274226] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 247.274620] PKRU: 55555554 [ 247.274774] Call Trace: [ 247.274908] <TASK> [ 247.275027] ? __warn (kernel/panic.c:677) [ 247.275202] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 247.275420] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 247.275618] ? handle_bug (arch/x86/kernel/traps.c:238) [ 247.275810] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 247.276014] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 247.276237] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 247.276457] br_dev_delete (net/bridge/br_if.c:396) [ 247.276651] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 247.276887] cleanup_net (net/core/net_namespace.c:630) [ 247.277079] ? process_one_work (kernel/workqueue.c:2606) [ 247.277317] process_one_work (kernel/workqueue.c:2633) [ 247.277529] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 247.277732] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 247.277957] kthread (kernel/kthread.c:388) [ 247.278129] ? __pfx_kthread (kernel/kthread.c:341) [ 247.278339] ret_from_fork (arch/x86/kernel/process.c:147) [ 247.278531] ? __pfx_kthread (kernel/kthread.c:341) [ 247.278735] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 247.402864] ------------[ cut here ]------------ | [ 247.403331] sysfs group 'bridge' not found for kobject 'br0' | [ 247.403899] WARNING: CPU: 2 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 247.405163] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 247.407646] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 247.409319] Workqueue: netns cleanup_net [ 247.409944] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 247.410632] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 247.412442] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 247.412860] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 247.413403] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 247.413967] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 247.414506] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc29c8610 [ 247.415011] R13: ffffaa568026be08 R14: ffff952cc29c8b80 R15: ffffffffbb478f90 [ 247.415382] FS: 0000000000000000(0000) GS:ffff952cfed00000(0000) knlGS:0000000000000000 [ 247.415836] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 247.416131] CR2: 00007f6511970000 CR3: 00000000025ce006 CR4: 0000000000770ef0 [ 247.416493] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 247.416879] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 247.417243] PKRU: 55555554 [ 247.417387] Call Trace: [ 247.417520] <TASK> [ 247.417639] ? __warn (kernel/panic.c:677) [ 247.417841] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 247.418060] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 247.418258] ? handle_bug (arch/x86/kernel/traps.c:238) [ 247.418450] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 247.418661] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 247.418892] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 247.419111] br_dev_delete (net/bridge/br_if.c:396) [ 247.419305] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 247.419536] cleanup_net (net/core/net_namespace.c:630) [ 247.419761] ? process_one_work (kernel/workqueue.c:2606) [ 247.419984] process_one_work (kernel/workqueue.c:2633) [ 247.420231] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 247.420429] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 247.420661] kthread (kernel/kthread.c:388) [ 247.420839] ? __pfx_kthread (kernel/kthread.c:341) [ 247.421037] ret_from_fork (arch/x86/kernel/process.c:147) [ 247.421231] ? __pfx_kthread (kernel/kthread.c:341) [ 247.421427] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 247.424083] ------------[ cut here ]------------ | [ 247.424354] sysfs group 'bridge' not found for kobject 'br0' | [ 247.424679] WARNING: CPU: 3 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 247.425100] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 247.425881] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 247.426454] Workqueue: netns cleanup_net [ 247.426671] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 247.426920] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 247.427849] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 247.428118] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 247.428479] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 247.428855] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 247.429232] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc29cc610 [ 247.429606] R13: ffffaa568026be08 R14: ffff952cc29ccb80 R15: ffffffffbb478f90 [ 247.429973] FS: 0000000000000000(0000) GS:ffff952cfed80000(0000) knlGS:0000000000000000 [ 247.430391] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 247.430692] CR2: 00007f84751f9000 CR3: 0000000036460005 CR4: 0000000000770ef0 [ 247.431054] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 247.431414] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 247.431779] PKRU: 55555554 [ 247.431923] Call Trace: [ 247.432057] <TASK> [ 247.432175] ? __warn (kernel/panic.c:677) [ 247.432349] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 247.432566] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 247.432767] ? handle_bug (arch/x86/kernel/traps.c:238) [ 247.432953] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 247.433154] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 247.433403] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 247.433620] br_dev_delete (net/bridge/br_if.c:396) [ 247.433819] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 247.434051] cleanup_net (net/core/net_namespace.c:630) [ 247.434243] ? process_one_work (kernel/workqueue.c:2606) [ 247.434461] process_one_work (kernel/workqueue.c:2633) [ 247.434681] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 247.434880] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 247.435105] kthread (kernel/kthread.c:388) [ 247.435275] ? __pfx_kthread (kernel/kthread.c:341) [ 247.435479] ret_from_fork (arch/x86/kernel/process.c:147) [ 247.435678] ? __pfx_kthread (kernel/kthread.c:341) [ 247.435876] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 247.438433] ------------[ cut here ]------------ | [ 247.438677] sysfs group 'bridge' not found for kobject 'br0' | [ 247.438986] WARNING: CPU: 3 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 247.439396] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel [ 247.440147] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 247.440724] Workqueue: netns cleanup_net [ 247.440932] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 247.441179] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 247.442132] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 247.442402] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 247.442767] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 247.443127] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 247.443488] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc3a2c610 [ 247.443853] R13: ffffaa568026be08 R14: ffff952cc3a2cb80 R15: ffffffffbb478f90 [ 247.444215] FS: 0000000000000000(0000) GS:ffff952cfed80000(0000) knlGS:0000000000000000 [ 247.444621] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 247.444921] CR2: 00007f84751f9000 CR3: 0000000036460005 CR4: 0000000000770ef0 [ 247.445309] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 247.445676] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 247.446038] PKRU: 55555554 [ 247.446183] Call Trace: [ 247.446316] <TASK> [ 247.446433] ? __warn (kernel/panic.c:677) [ 247.446606] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 247.446829] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 247.447024] ? handle_bug (arch/x86/kernel/traps.c:238) [ 247.447210] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 247.447410] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 247.447634] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 247.447857] br_dev_delete (net/bridge/br_if.c:396) [ 247.448047] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 247.448279] cleanup_net (net/core/net_namespace.c:630) [ 247.448470] ? process_one_work (kernel/workqueue.c:2606) [ 247.448694] process_one_work (kernel/workqueue.c:2633) [ 247.448908] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 247.449106] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 247.449351] kthread (kernel/kthread.c:388) [ 247.449545] ? __pfx_kthread (kernel/kthread.c:341) [ 247.449814] ret_from_fork (arch/x86/kernel/process.c:147) [ 247.450114] ? __pfx_kthread (kernel/kthread.c:341) [ 247.450395] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 257.297921] ------------[ cut here ]------------ | [ 257.298351] sysfs group 'bridge' not found for kobject 'br0' | [ 257.298905] WARNING: CPU: 1 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 257.299600] Modules linked in: act_gact cls_flower sch_ingress vxlan ip6_udp_tunnel udp_tunnel [ 257.300979] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 257.301730] Workqueue: netns cleanup_net [ 257.302023] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 257.302343] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 257.303499] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 257.304009] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 257.304571] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 257.305115] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 257.305793] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc260c610 [ 257.306630] R13: ffffaa568026be08 R14: ffff952cc260cb80 R15: ffff952cc2b61750 [ 257.307289] FS: 0000000000000000(0000) GS:ffff952cfec80000(0000) knlGS:0000000000000000 [ 257.308068] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 257.308663] CR2: 00007f5e70d690e0 CR3: 0000000036460003 CR4: 0000000000770ef0 [ 257.309395] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 257.310221] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 257.311083] PKRU: 55555554 [ 257.311359] Call Trace: [ 257.311635] <TASK> [ 257.311855] ? __warn (kernel/panic.c:677) [ 257.312148] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 257.312556] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 257.312897] ? handle_bug (arch/x86/kernel/traps.c:238) [ 257.313240] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 257.313609] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 257.313959] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 257.314393] br_dev_delete (net/bridge/br_if.c:396) [ 257.314718] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 257.315085] cleanup_net (net/core/net_namespace.c:630) [ 257.315463] ? process_one_work (kernel/workqueue.c:2606) [ 257.315756] process_one_work (kernel/workqueue.c:2633) [ 257.315973] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 257.316201] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 257.316516] kthread (kernel/kthread.c:388) [ 257.316697] ? __pfx_kthread (kernel/kthread.c:341) [ 257.316894] ret_from_fork (arch/x86/kernel/process.c:147) [ 257.317087] ? __pfx_kthread (kernel/kthread.c:341) [ 257.317292] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 257.446869] ------------[ cut here ]------------ | [ 257.447299] sysfs group 'bridge' not found for kobject 'br0' | [ 257.447866] WARNING: CPU: 3 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 257.448646] Modules linked in: act_gact cls_flower sch_ingress vxlan ip6_udp_tunnel udp_tunnel [ 257.450479] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 257.451664] Workqueue: netns cleanup_net [ 257.452087] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 257.452643] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 257.454308] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 257.454701] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 257.455096] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 257.455486] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 257.455984] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc4b80610 [ 257.456624] R13: ffffaa568026be08 R14: ffff952cc4b80b80 R15: ffffffffbb478f90 [ 257.457009] FS: 0000000000000000(0000) GS:ffff952cfed80000(0000) knlGS:0000000000000000 [ 257.457748] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 257.458270] CR2: 00007f2ae7b87000 CR3: 0000000036460001 CR4: 0000000000770ef0 [ 257.458990] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 257.459677] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 257.460198] PKRU: 55555554 [ 257.460426] Call Trace: [ 257.460663] <TASK> [ 257.460860] ? __warn (kernel/panic.c:677) [ 257.461152] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 257.461514] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 257.461866] ? handle_bug (arch/x86/kernel/traps.c:238) [ 257.462188] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 257.462544] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 257.462948] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 257.463383] br_dev_delete (net/bridge/br_if.c:396) [ 257.463737] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 257.464144] cleanup_net (net/core/net_namespace.c:630) [ 257.464459] ? process_one_work (kernel/workqueue.c:2606) [ 257.464843] process_one_work (kernel/workqueue.c:2633) [ 257.465206] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 257.465498] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 257.465872] kthread (kernel/kthread.c:388) [ 257.466097] ? __pfx_kthread (kernel/kthread.c:341) [ 257.466423] ret_from_fork (arch/x86/kernel/process.c:147) [ 257.466710] ? __pfx_kthread (kernel/kthread.c:341) [ 257.467076] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 257.470861] ------------[ cut here ]------------ | [ 257.471144] sysfs group 'bridge' not found for kobject 'br0' | [ 257.471522] WARNING: CPU: 0 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 257.472049] Modules linked in: act_gact cls_flower sch_ingress vxlan ip6_udp_tunnel udp_tunnel [ 257.473005] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 257.473683] Workqueue: netns cleanup_net [ 257.473945] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 257.474243] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 257.475258] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 257.475572] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 257.476003] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 257.476411] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 257.476828] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc3a2e610 [ 257.477235] R13: ffffaa568026be08 R14: ffff952cc3a2eb80 R15: ffffffffbb478f90 [ 257.477756] FS: 0000000000000000(0000) GS:ffff952cfec00000(0000) knlGS:0000000000000000 [ 257.478208] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 257.478542] CR2: 00007fcf68232000 CR3: 0000000036460005 CR4: 0000000000770ef0 [ 257.478937] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 257.479357] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 257.479809] PKRU: 55555554 [ 257.480019] Call Trace: [ 257.480189] <TASK> [ 257.480370] ? __warn (kernel/panic.c:677) [ 257.480613] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 257.480919] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 257.481178] ? handle_bug (arch/x86/kernel/traps.c:238) [ 257.481390] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 257.481650] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 257.481936] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 257.482193] br_dev_delete (net/bridge/br_if.c:396) [ 257.482406] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 257.482690] cleanup_net (net/core/net_namespace.c:630) [ 257.482936] ? process_one_work (kernel/workqueue.c:2606) [ 257.483192] process_one_work (kernel/workqueue.c:2633) [ 257.483431] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 257.483700] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 257.484006] kthread (kernel/kthread.c:388) [ 257.484210] ? __pfx_kthread (kernel/kthread.c:341) [ 257.484437] ret_from_fork (arch/x86/kernel/process.c:147) [ 257.484675] ? __pfx_kthread (kernel/kthread.c:341) [ 257.484917] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 257.487801] ------------[ cut here ]------------ | [ 257.488102] sysfs group 'bridge' not found for kobject 'br0' | [ 257.488430] WARNING: CPU: 3 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 257.488962] Modules linked in: act_gact cls_flower sch_ingress vxlan ip6_udp_tunnel udp_tunnel [ 257.490772] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 257.491925] Workqueue: netns cleanup_net [ 257.492309] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 257.492796] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 257.494543] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 257.494989] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 257.495681] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 257.496316] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 257.496974] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc4b84610 [ 257.497597] R13: ffffaa568026be08 R14: ffff952cc4b84b80 R15: ffffffffbb478f90 [ 257.498016] FS: 0000000000000000(0000) GS:ffff952cfed80000(0000) knlGS:0000000000000000 [ 257.498543] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 257.498898] CR2: 00007f380cda2270 CR3: 0000000005fd6005 CR4: 0000000000770ef0 [ 257.499289] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 257.499698] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 257.500261] PKRU: 55555554 [ 257.500409] Call Trace: [ 257.500541] <TASK> [ 257.500672] ? __warn (kernel/panic.c:677) [ 257.500847] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 257.501065] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 257.501263] ? handle_bug (arch/x86/kernel/traps.c:238) [ 257.501451] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 257.501660] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 257.501884] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 257.502104] br_dev_delete (net/bridge/br_if.c:396) [ 257.502296] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 257.502526] cleanup_net (net/core/net_namespace.c:630) [ 257.502724] ? process_one_work (kernel/workqueue.c:2606) [ 257.502944] process_one_work (kernel/workqueue.c:2633) [ 257.503155] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 257.503352] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 257.503575] kthread (kernel/kthread.c:388) [ 257.503751] ? __pfx_kthread (kernel/kthread.c:341) [ 257.503949] ret_from_fork (arch/x86/kernel/process.c:147) [ 257.504141] ? __pfx_kthread (kernel/kthread.c:341) [ 257.504336] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 267.515915] ------------[ cut here ]------------ | [ 267.516197] sysfs group 'bridge' not found for kobject 'br0' | [ 267.516548] WARNING: CPU: 0 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 267.517018] Modules linked in: act_gact cls_flower sch_ingress vxlan ip6_udp_tunnel udp_tunnel [ 267.518315] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 267.519208] Workqueue: netns cleanup_net [ 267.519549] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 267.519970] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 267.521380] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 267.521845] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 267.522420] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 267.522996] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 267.523562] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc2608610 [ 267.524134] R13: ffffaa568026be08 R14: ffff952cc2608b80 R15: ffff952cc3965c50 [ 267.524710] FS: 0000000000000000(0000) GS:ffff952cfec00000(0000) knlGS:0000000000000000 [ 267.525344] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 267.525824] CR2: 00007fff9ffa6588 CR3: 0000000002808001 CR4: 0000000000770ef0 [ 267.526389] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 267.526956] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 267.527508] PKRU: 55555554 [ 267.527761] Call Trace: [ 267.527976] <TASK> [ 267.528096] ? __warn (kernel/panic.c:677) [ 267.528272] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 267.528491] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 267.528693] ? handle_bug (arch/x86/kernel/traps.c:238) [ 267.528916] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 267.529170] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 267.529411] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 267.529645] br_dev_delete (net/bridge/br_if.c:396) [ 267.529870] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 267.530163] cleanup_net (net/core/net_namespace.c:630) [ 267.530411] ? process_one_work (kernel/workqueue.c:2606) [ 267.530665] process_one_work (kernel/workqueue.c:2633) [ 267.530901] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 267.531130] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 267.531406] kthread (kernel/kthread.c:388) [ 267.531598] ? __pfx_kthread (kernel/kthread.c:341) [ 267.531851] ret_from_fork (arch/x86/kernel/process.c:147) [ 267.532043] ? __pfx_kthread (kernel/kthread.c:341) [ 267.532270] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 267.644917] ------------[ cut here ]------------ | [ 267.645198] sysfs group 'bridge' not found for kobject 'br0' | [ 267.645525] WARNING: CPU: 0 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 267.645980] Modules linked in: act_gact cls_flower sch_ingress vxlan ip6_udp_tunnel udp_tunnel [ 267.647016] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 267.647605] Workqueue: netns cleanup_net [ 267.647855] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 267.648142] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 267.649099] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 267.649381] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 267.649780] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 267.650190] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 267.650585] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc29ce610 [ 267.650964] R13: ffffaa568026be08 R14: ffff952cc29ceb80 R15: ffff952cc39f5c50 [ 267.651357] FS: 0000000000000000(0000) GS:ffff952cfec00000(0000) knlGS:0000000000000000 [ 267.651811] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 267.652138] CR2: 00007fff9ffa6588 CR3: 0000000036460004 CR4: 0000000000770ef0 [ 267.652513] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 267.652904] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 267.653298] PKRU: 55555554 [ 267.653465] Call Trace: [ 267.653609] <TASK> [ 267.653759] ? __warn (kernel/panic.c:677) [ 267.653965] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 267.654204] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 267.654412] ? handle_bug (arch/x86/kernel/traps.c:238) [ 267.654621] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 267.654870] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 267.655114] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 267.655345] br_dev_delete (net/bridge/br_if.c:396) [ 267.655561] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 267.655832] cleanup_net (net/core/net_namespace.c:630) [ 267.656050] ? process_one_work (kernel/workqueue.c:2606) [ 267.656279] process_one_work (kernel/workqueue.c:2633) [ 267.656518] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 267.656759] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 267.657009] kthread (kernel/kthread.c:388) [ 267.657188] ? __pfx_kthread (kernel/kthread.c:341) [ 267.657412] ret_from_fork (arch/x86/kernel/process.c:147) [ 267.657631] ? __pfx_kthread (kernel/kthread.c:341) [ 267.657912] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 267.660625] ------------[ cut here ]------------ | [ 267.660881] sysfs group 'bridge' not found for kobject 'br0' | [ 267.661221] WARNING: CPU: 0 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 267.661662] Modules linked in: act_gact cls_flower sch_ingress vxlan ip6_udp_tunnel udp_tunnel [ 267.662592] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 267.663199] Workqueue: netns cleanup_net [ 267.663441] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 267.663721] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 267.664661] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 267.664964] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 267.665379] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 267.665919] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 267.666426] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc29ca610 [ 267.666998] R13: ffffaa568026be08 R14: ffff952cc29cab80 R15: ffff952cc39f5c50 [ 267.667577] FS: 0000000000000000(0000) GS:ffff952cfec00000(0000) knlGS:0000000000000000 [ 267.668222] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 267.668700] CR2: 00007fff9ffa6588 CR3: 0000000036460004 CR4: 0000000000770ef0 [ 267.669260] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 267.669834] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 267.670417] PKRU: 55555554 [ 267.670685] Call Trace: [ 267.670906] <TASK> [ 267.671101] ? __warn (kernel/panic.c:677) [ 267.671396] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 267.671761] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 267.672086] ? handle_bug (arch/x86/kernel/traps.c:238) [ 267.672389] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 267.672718] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 267.673081] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 267.673431] br_dev_delete (net/bridge/br_if.c:396) [ 267.673777] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 267.674144] cleanup_net (net/core/net_namespace.c:630) [ 267.674454] ? process_one_work (kernel/workqueue.c:2606) [ 267.674842] process_one_work (kernel/workqueue.c:2633) [ 267.675207] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 267.675545] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 267.675918] kthread (kernel/kthread.c:388) [ 267.676190] ? __pfx_kthread (kernel/kthread.c:341) [ 267.676510] ret_from_fork (arch/x86/kernel/process.c:147) [ 267.676749] ? __pfx_kthread (kernel/kthread.c:341) [ 267.676989] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 267.798856] ------------[ cut here ]------------ | [ 267.799294] sysfs group 'bridge' not found for kobject 'br0' | [ 267.799789] WARNING: CPU: 3 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 267.800425] Modules linked in: act_gact cls_flower sch_ingress vxlan ip6_udp_tunnel udp_tunnel [ 267.801887] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 267.802807] Workqueue: netns cleanup_net [ 267.803089] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 267.803337] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 267.804519] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 267.804794] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 267.805226] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 267.805783] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 267.806246] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc2a60610 [ 267.806833] R13: ffffaa568026be08 R14: ffff952cc2a60b80 R15: ffff952cc3964550 [ 267.807466] FS: 0000000000000000(0000) GS:ffff952cfed80000(0000) knlGS:0000000000000000 [ 267.808174] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 267.808706] CR2: 00007f93eac34000 CR3: 0000000036460006 CR4: 0000000000770ef0 [ 267.809353] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 267.810015] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 267.810679] PKRU: 55555554 [ 267.810934] Call Trace: [ 267.811171] <TASK> [ 267.811381] ? __warn (kernel/panic.c:677) [ 267.811675] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 267.812087] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 267.812408] ? handle_bug (arch/x86/kernel/traps.c:238) [ 267.812727] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 267.813050] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 267.813405] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 267.813794] br_dev_delete (net/bridge/br_if.c:396) [ 267.814100] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 267.814463] cleanup_net (net/core/net_namespace.c:630) [ 267.814783] ? process_one_work (kernel/workqueue.c:2606) [ 267.815117] process_one_work (kernel/workqueue.c:2633) [ 267.815480] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 267.815685] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 267.815923] kthread (kernel/kthread.c:388) [ 267.816105] ? __pfx_kthread (kernel/kthread.c:341) [ 267.816367] ret_from_fork (arch/x86/kernel/process.c:147) [ 267.816557] ? __pfx_kthread (kernel/kthread.c:341) [ 267.816759] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 277.285110] ------------[ cut here ]------------ | [ 277.285615] sysfs group 'bridge' not found for kobject 'br0' | [ 277.286273] WARNING: CPU: 3 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 277.287378] Modules linked in: act_gact cls_flower sch_ingress vxlan ip6_udp_tunnel udp_tunnel [ 277.289877] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 277.291756] Workqueue: netns cleanup_net [ 277.292272] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 277.292868] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 277.295135] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 277.295859] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 277.296567] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 277.297110] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 277.297610] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc49e0610 [ 277.298117] R13: ffffaa568026be08 R14: ffff952cc49e0b80 R15: ffff952cc3895c50 [ 277.298638] FS: 0000000000000000(0000) GS:ffff952cfed80000(0000) knlGS:0000000000000000 [ 277.299200] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 277.299548] CR2: 00007f994826f000 CR3: 0000000036460003 CR4: 0000000000770ef0 [ 277.300048] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 277.300542] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 277.301023] PKRU: 55555554 [ 277.301169] Call Trace: [ 277.301343] <TASK> [ 277.301498] ? __warn (kernel/panic.c:677) [ 277.301747] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 277.302064] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 277.302293] ? handle_bug (arch/x86/kernel/traps.c:238) [ 277.302486] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 277.302791] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 277.303100] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 277.303402] br_dev_delete (net/bridge/br_if.c:396) [ 277.303685] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 277.303955] cleanup_net (net/core/net_namespace.c:630) [ 277.304153] ? process_one_work (kernel/workqueue.c:2606) [ 277.304398] process_one_work (kernel/workqueue.c:2633) [ 277.304676] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 277.304916] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 277.305237] kthread (kernel/kthread.c:388) [ 277.305428] ? __pfx_kthread (kernel/kthread.c:341) [ 277.305629] ret_from_fork (arch/x86/kernel/process.c:147) [ 277.305870] ? __pfx_kthread (kernel/kthread.c:341) [ 277.306136] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 277.420847] ------------[ cut here ]------------ | [ 277.421436] sysfs group 'bridge' not found for kobject 'br0' | [ 277.422045] WARNING: CPU: 2 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 277.422947] Modules linked in: act_gact cls_flower sch_ingress vxlan ip6_udp_tunnel udp_tunnel [ 277.424918] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 277.426305] Workqueue: netns cleanup_net [ 277.426613] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 277.427069] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 277.428133] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 277.428465] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 277.428985] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 277.429624] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 277.430363] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc3a2c610 [ 277.431223] R13: ffffaa568026be08 R14: ffff952cc3a2cb80 R15: ffffffffbb478f90 [ 277.432117] FS: 0000000000000000(0000) GS:ffff952cfed00000(0000) knlGS:0000000000000000 [ 277.433073] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 277.433745] CR2: 000055d578a36d90 CR3: 0000000036460004 CR4: 0000000000770ef0 [ 277.434640] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 277.435501] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 277.436432] PKRU: 55555554 [ 277.436841] Call Trace: [ 277.437297] <TASK> [ 277.437676] ? __warn (kernel/panic.c:677) [ 277.438176] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 277.438812] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 277.439381] ? handle_bug (arch/x86/kernel/traps.c:238) [ 277.439681] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 277.440158] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 277.440695] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 277.441025] br_dev_delete (net/bridge/br_if.c:396) [ 277.441315] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 277.441892] cleanup_net (net/core/net_namespace.c:630) [ 277.442322] ? process_one_work (kernel/workqueue.c:2606) [ 277.442797] process_one_work (kernel/workqueue.c:2633) [ 277.443364] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 277.443952] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 277.444512] kthread (kernel/kthread.c:388) [ 277.444877] ? __pfx_kthread (kernel/kthread.c:341) [ 277.445301] ret_from_fork (arch/x86/kernel/process.c:147) [ 277.445873] ? __pfx_kthread (kernel/kthread.c:341) [ 277.446286] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 277.453135] ------------[ cut here ]------------ | [ 277.453430] sysfs group 'bridge' not found for kobject 'br0' | [ 277.453823] WARNING: CPU: 0 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 277.454270] Modules linked in: act_gact cls_flower sch_ingress vxlan ip6_udp_tunnel udp_tunnel [ 277.455227] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 277.455838] Workqueue: netns cleanup_net [ 277.456081] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 277.456340] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 277.457281] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 277.457551] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 277.457918] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 277.458286] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 277.458647] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc3a28610 [ 277.459012] R13: ffffaa568026be08 R14: ffff952cc3a28b80 R15: ffffffffbb478f90 [ 277.459375] FS: 0000000000000000(0000) GS:ffff952cfec00000(0000) knlGS:0000000000000000 [ 277.459789] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 277.460095] CR2: 00007fbc3c12f000 CR3: 0000000036460002 CR4: 0000000000770ef0 [ 277.460457] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 277.460823] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 277.461187] PKRU: 55555554 [ 277.461331] Call Trace: [ 277.461467] <TASK> [ 277.461584] ? __warn (kernel/panic.c:677) [ 277.461764] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 277.461985] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 277.462182] ? handle_bug (arch/x86/kernel/traps.c:238) [ 277.462375] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 277.462578] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 277.462812] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 277.463065] br_dev_delete (net/bridge/br_if.c:396) [ 277.463269] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 277.463525] cleanup_net (net/core/net_namespace.c:630) [ 277.463729] ? process_one_work (kernel/workqueue.c:2606) [ 277.463954] process_one_work (kernel/workqueue.c:2633) [ 277.464179] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 277.464393] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 277.464637] kthread (kernel/kthread.c:388) [ 277.464813] ? __pfx_kthread (kernel/kthread.c:341) [ 277.465015] ret_from_fork (arch/x86/kernel/process.c:147) [ 277.465208] ? __pfx_kthread (kernel/kthread.c:341) [ 277.465405] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 277.468057] ------------[ cut here ]------------ | [ 277.468296] sysfs group 'bridge' not found for kobject 'br0' | [ 277.468602] WARNING: CPU: 0 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 277.469016] Modules linked in: act_gact cls_flower sch_ingress vxlan ip6_udp_tunnel udp_tunnel [ 277.469922] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 277.470507] Workqueue: netns cleanup_net [ 277.470718] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 277.470966] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 277.471910] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 277.472179] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 277.472541] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 277.472907] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 277.473302] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc260a610 [ 277.473671] R13: ffffaa568026be08 R14: ffff952cc260ab80 R15: ffffffffbb478f90 [ 277.474033] FS: 0000000000000000(0000) GS:ffff952cfec00000(0000) knlGS:0000000000000000 [ 277.474445] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 277.474744] CR2: 00007fbc3c12f000 CR3: 0000000036460002 CR4: 0000000000770ef0 [ 277.475104] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 277.475465] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 277.475830] PKRU: 55555554 [ 277.475974] Call Trace: [ 277.476108] <TASK> [ 277.476224] ? __warn (kernel/panic.c:677) [ 277.476405] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 277.476631] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 277.476833] ? handle_bug (arch/x86/kernel/traps.c:238) [ 277.477046] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 277.477259] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 277.477502] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 277.477745] br_dev_delete (net/bridge/br_if.c:396) [ 277.477960] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 277.478206] cleanup_net (net/core/net_namespace.c:630) [ 277.478416] ? process_one_work (kernel/workqueue.c:2606) [ 277.478649] process_one_work (kernel/workqueue.c:2633) [ 277.478870] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 277.479077] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 277.479308] kthread (kernel/kthread.c:388) [ 277.479478] ? __pfx_kthread (kernel/kthread.c:341) [ 277.479681] ret_from_fork (arch/x86/kernel/process.c:147) [ 277.479883] ? __pfx_kthread (kernel/kthread.c:341) [ 277.480079] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 287.259363] ------------[ cut here ]------------ | [ 287.259636] sysfs group 'bridge' not found for kobject 'br0' | [ 287.259975] WARNING: CPU: 2 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 287.260394] Modules linked in: act_gact cls_flower sch_ingress vxlan ip6_udp_tunnel udp_tunnel [ 287.261360] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 287.262027] Workqueue: netns cleanup_net [ 287.262325] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 287.262704] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 287.263883] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 287.264304] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 287.264861] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 287.265415] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 287.265988] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc552c610 [ 287.266552] R13: ffffaa568026be08 R14: ffff952cc552cb80 R15: ffff952cc2b64550 [ 287.267159] FS: 0000000000000000(0000) GS:ffff952cfed00000(0000) knlGS:0000000000000000 [ 287.267792] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 287.268244] CR2: 00007f0c791cc000 CR3: 0000000036460004 CR4: 0000000000770ef0 [ 287.268819] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 287.269377] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 287.269957] PKRU: 55555554 [ 287.270172] Call Trace: [ 287.270379] <TASK> [ 287.270554] ? __warn (kernel/panic.c:677) [ 287.270857] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 287.271215] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 287.271517] ? handle_bug (arch/x86/kernel/traps.c:238) [ 287.271748] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 287.272052] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 287.272354] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 287.272689] br_dev_delete (net/bridge/br_if.c:396) [ 287.272984] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 287.273299] cleanup_net (net/core/net_namespace.c:630) [ 287.273612] ? process_one_work (kernel/workqueue.c:2606) [ 287.273921] process_one_work (kernel/workqueue.c:2633) [ 287.274262] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 287.274506] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 287.274892] kthread (kernel/kthread.c:388) [ 287.275155] ? __pfx_kthread (kernel/kthread.c:341) [ 287.275425] ret_from_fork (arch/x86/kernel/process.c:147) [ 287.275729] ? __pfx_kthread (kernel/kthread.c:341) [ 287.275971] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 287.378978] ------------[ cut here ]------------ | [ 287.379424] sysfs group 'bridge' not found for kobject 'br0' | [ 287.380068] WARNING: CPU: 0 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 287.380518] Modules linked in: act_gact cls_flower sch_ingress vxlan ip6_udp_tunnel udp_tunnel [ 287.381512] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 287.382162] Workqueue: netns cleanup_net [ 287.382411] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 287.382705] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 287.383737] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 287.384044] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 287.384496] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 287.384903] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 287.385323] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc2a62610 [ 287.385694] R13: ffffaa568026be08 R14: ffff952cc2a62b80 R15: ffff952cc3891750 [ 287.386097] FS: 0000000000000000(0000) GS:ffff952cfec00000(0000) knlGS:0000000000000000 [ 287.386613] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 287.386973] CR2: 00007fff9ffa65b8 CR3: 0000000002808002 CR4: 0000000000770ef0 [ 287.387409] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 287.387852] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 287.388255] PKRU: 55555554 [ 287.388458] Call Trace: [ 287.388652] <TASK> [ 287.388808] ? __warn (kernel/panic.c:677) [ 287.389037] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 287.389358] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 287.389693] ? handle_bug (arch/x86/kernel/traps.c:238) [ 287.390013] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 287.390272] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 287.390553] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 287.390817] br_dev_delete (net/bridge/br_if.c:396) [ 287.391049] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 287.391369] cleanup_net (net/core/net_namespace.c:630) [ 287.391623] ? process_one_work (kernel/workqueue.c:2606) [ 287.391900] process_one_work (kernel/workqueue.c:2633) [ 287.392138] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 287.392385] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 287.392696] kthread (kernel/kthread.c:388) [ 287.392932] ? __pfx_kthread (kernel/kthread.c:341) [ 287.393185] ret_from_fork (arch/x86/kernel/process.c:147) [ 287.393425] ? __pfx_kthread (kernel/kthread.c:341) [ 287.393682] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 287.396735] ------------[ cut here ]------------ | [ 287.397047] sysfs group 'bridge' not found for kobject 'br0' | [ 287.397389] WARNING: CPU: 0 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 287.397881] Modules linked in: act_gact cls_flower sch_ingress vxlan ip6_udp_tunnel udp_tunnel [ 287.398914] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 287.399534] Workqueue: netns cleanup_net [ 287.399847] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 287.400185] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 287.401187] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 287.401487] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 287.401917] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 287.402338] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 287.402766] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc3a2a610 [ 287.403185] R13: ffffaa568026be08 R14: ffff952cc3a2ab80 R15: ffff952cc3891750 [ 287.403589] FS: 0000000000000000(0000) GS:ffff952cfec00000(0000) knlGS:0000000000000000 [ 287.404060] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 287.404412] CR2: 00007fff9ffa65b8 CR3: 0000000002808002 CR4: 0000000000770ef0 [ 287.404810] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 287.405213] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 287.405638] PKRU: 55555554 [ 287.405826] Call Trace: [ 287.405985] <TASK> [ 287.406144] ? __warn (kernel/panic.c:677) [ 287.406382] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 287.406647] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 287.406878] ? handle_bug (arch/x86/kernel/traps.c:238) [ 287.407103] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 287.407342] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 287.407627] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 287.407877] br_dev_delete (net/bridge/br_if.c:396) [ 287.408114] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 287.408407] cleanup_net (net/core/net_namespace.c:630) [ 287.408679] ? process_one_work (kernel/workqueue.c:2606) [ 287.408936] process_one_work (kernel/workqueue.c:2633) [ 287.409203] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 287.409460] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 287.409766] kthread (kernel/kthread.c:388) [ 287.409970] ? __pfx_kthread (kernel/kthread.c:341) [ 287.410221] ret_from_fork (arch/x86/kernel/process.c:147) [ 287.410471] ? __pfx_kthread (kernel/kthread.c:341) [ 287.410739] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 287.531905] ------------[ cut here ]------------ | [ 287.532172] sysfs group 'bridge' not found for kobject 'br0' | [ 287.532542] WARNING: CPU: 0 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 287.533041] Modules linked in: act_gact cls_flower sch_ingress vxlan ip6_udp_tunnel udp_tunnel [ 287.534020] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 287.534624] Workqueue: netns cleanup_net [ 287.534877] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 287.535197] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 287.536180] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 287.536495] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 287.536921] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 287.537360] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 287.537784] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc2a64610 [ 287.538206] R13: ffffaa568026be08 R14: ffff952cc2a64b80 R15: ffff952cc3892e50 [ 287.538580] FS: 0000000000000000(0000) GS:ffff952cfec00000(0000) knlGS:0000000000000000 [ 287.539032] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 287.539425] CR2: 00007fff9ffa4c78 CR3: 0000000002808002 CR4: 0000000000770ef0 [ 287.539844] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 287.540242] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 287.540663] PKRU: 55555554 [ 287.540909] Call Trace: [ 287.541122] <TASK> [ 287.541272] ? __warn (kernel/panic.c:677) [ 287.541495] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 287.541792] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 287.542065] ? handle_bug (arch/x86/kernel/traps.c:238) [ 287.542309] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 287.542553] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 287.542866] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 287.543189] br_dev_delete (net/bridge/br_if.c:396) [ 287.543414] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 287.543670] cleanup_net (net/core/net_namespace.c:630) [ 287.543929] ? process_one_work (kernel/workqueue.c:2606) [ 287.544219] process_one_work (kernel/workqueue.c:2633) [ 287.544481] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 287.544741] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 287.545038] kthread (kernel/kthread.c:388) [ 287.545262] ? __pfx_kthread (kernel/kthread.c:341) [ 287.545517] ret_from_fork (arch/x86/kernel/process.c:147) [ 287.545777] ? __pfx_kthread (kernel/kthread.c:341) [ 287.546064] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 296.508870] ------------[ cut here ]------------ | [ 296.509283] sysfs group 'bridge' not found for kobject 'br0' | [ 296.509628] WARNING: CPU: 1 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 296.510102] Modules linked in: act_gact cls_flower sch_ingress vxlan ip6_udp_tunnel udp_tunnel [ 296.511012] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 296.511758] Workqueue: netns cleanup_net [ 296.512089] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 296.512370] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 296.514118] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 296.514624] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 296.515335] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 296.516005] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 296.516674] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc3a2a610 [ 296.517394] R13: ffffaa568026be08 R14: ffff952cc3a2ab80 R15: ffff952cc2b61750 [ 296.518015] FS: 0000000000000000(0000) GS:ffff952cfec80000(0000) knlGS:0000000000000000 [ 296.518726] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 296.519223] CR2: 000055d578a349e8 CR3: 0000000036460005 CR4: 0000000000770ef0 [ 296.519832] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 296.520445] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 296.520945] PKRU: 55555554 [ 296.521092] Call Trace: [ 296.521248] <TASK> [ 296.521366] ? __warn (kernel/panic.c:677) [ 296.521556] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 296.521788] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 296.521986] ? handle_bug (arch/x86/kernel/traps.c:238) [ 296.522174] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 296.522378] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 296.522600] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 296.522826] br_dev_delete (net/bridge/br_if.c:396) [ 296.523026] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 296.523260] cleanup_net (net/core/net_namespace.c:630) [ 296.523453] ? process_one_work (kernel/workqueue.c:2606) [ 296.523677] process_one_work (kernel/workqueue.c:2633) [ 296.523889] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 296.524095] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 296.524324] kthread (kernel/kthread.c:388) [ 296.524493] ? __pfx_kthread (kernel/kthread.c:341) [ 296.524697] ret_from_fork (arch/x86/kernel/process.c:147) [ 296.524890] ? __pfx_kthread (kernel/kthread.c:341) [ 296.525089] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 296.610970] ------------[ cut here ]------------ | [ 296.611582] sysfs group 'bridge' not found for kobject 'br0' | [ 296.612319] WARNING: CPU: 1 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 296.613406] Modules linked in: act_gact cls_flower sch_ingress vxlan ip6_udp_tunnel udp_tunnel [ 296.615077] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 296.615948] Workqueue: netns cleanup_net [ 296.616439] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 296.617004] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 296.619718] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 296.620573] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 296.621682] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 296.622745] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 296.623702] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc1932610 [ 296.624557] R13: ffffaa568026be08 R14: ffff952cc1932b80 R15: ffff952cc3892e50 [ 296.625424] FS: 0000000000000000(0000) GS:ffff952cfec80000(0000) knlGS:0000000000000000 [ 296.626387] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 296.627045] CR2: 000055d578a349e8 CR3: 0000000036460005 CR4: 0000000000770ef0 [ 296.627617] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 296.628286] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 296.628904] PKRU: 55555554 [ 296.629128] Call Trace: [ 296.629366] <TASK> [ 296.629626] ? __warn (kernel/panic.c:677) [ 296.630276] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 296.630907] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 296.631380] ? handle_bug (arch/x86/kernel/traps.c:238) [ 296.631889] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 296.632213] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 296.632724] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 296.633314] br_dev_delete (net/bridge/br_if.c:396) [ 296.633884] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 296.634573] cleanup_net (net/core/net_namespace.c:630) [ 296.635120] ? process_one_work (kernel/workqueue.c:2606) [ 296.635800] process_one_work (kernel/workqueue.c:2633) [ 296.636440] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 296.637072] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 296.637717] kthread (kernel/kthread.c:388) [ 296.638147] ? __pfx_kthread (kernel/kthread.c:341) [ 296.638631] ret_from_fork (arch/x86/kernel/process.c:147) [ 296.639121] ? __pfx_kthread (kernel/kthread.c:341) [ 296.639583] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 296.644393] ------------[ cut here ]------------ | [ 296.644953] sysfs group 'bridge' not found for kobject 'br0' | [ 296.645688] WARNING: CPU: 1 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 296.646759] Modules linked in: act_gact cls_flower sch_ingress vxlan ip6_udp_tunnel udp_tunnel [ 296.649076] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 296.650477] Workqueue: netns cleanup_net [ 296.650983] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 296.651537] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 296.653332] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 296.653752] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 296.654522] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 296.655294] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 296.656267] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc1936610 [ 296.657181] R13: ffffaa568026be08 R14: ffff952cc1936b80 R15: ffff952cc3892e50 [ 296.658094] FS: 0000000000000000(0000) GS:ffff952cfec80000(0000) knlGS:0000000000000000 [ 296.659100] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 296.659825] CR2: 000055d578a349e8 CR3: 0000000036460005 CR4: 0000000000770ef0 [ 296.660690] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 296.661222] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 296.661781] PKRU: 55555554 [ 296.662014] Call Trace: [ 296.662206] <TASK> [ 296.662394] ? __warn (kernel/panic.c:677) [ 296.662742] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 296.663201] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 296.663457] ? handle_bug (arch/x86/kernel/traps.c:238) [ 296.663761] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 296.664037] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 296.664376] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 296.664603] br_dev_delete (net/bridge/br_if.c:396) [ 296.664804] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 296.665055] cleanup_net (net/core/net_namespace.c:630) [ 296.665287] ? process_one_work (kernel/workqueue.c:2606) [ 296.665549] process_one_work (kernel/workqueue.c:2633) [ 296.665768] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 296.665966] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 296.666191] kthread (kernel/kthread.c:388) [ 296.666358] ? __pfx_kthread (kernel/kthread.c:341) [ 296.666577] ret_from_fork (arch/x86/kernel/process.c:147) [ 296.666776] ? __pfx_kthread (kernel/kthread.c:341) [ 296.666974] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 296.770846] ------------[ cut here ]------------ | [ 296.771282] sysfs group 'bridge' not found for kobject 'br0' | [ 296.771870] WARNING: CPU: 1 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 296.772627] Modules linked in: act_gact cls_flower sch_ingress vxlan ip6_udp_tunnel udp_tunnel [ 296.774127] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 296.774795] Workqueue: netns cleanup_net [ 296.775013] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 296.775266] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 296.776784] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 296.777286] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 296.778257] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 296.779198] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 296.780203] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc3a2e610 [ 296.781142] R13: ffffaa568026be08 R14: ffff952cc3a2eb80 R15: ffff952cc39f0050 [ 296.782106] FS: 0000000000000000(0000) GS:ffff952cfec80000(0000) knlGS:0000000000000000 [ 296.783137] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 296.783796] CR2: 000055d578a349e8 CR3: 0000000036460005 CR4: 0000000000770ef0 [ 296.784587] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 296.785424] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 296.786217] PKRU: 55555554 [ 296.786535] Call Trace: [ 296.786871] <TASK> [ 296.787107] ? __warn (kernel/panic.c:677) [ 296.787376] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 296.787741] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 296.788124] ? handle_bug (arch/x86/kernel/traps.c:238) [ 296.788506] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 296.788856] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 296.789201] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 296.789683] br_dev_delete (net/bridge/br_if.c:396) [ 296.790092] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 296.790454] cleanup_net (net/core/net_namespace.c:630) [ 296.790925] ? process_one_work (kernel/workqueue.c:2606) [ 296.791557] process_one_work (kernel/workqueue.c:2633) [ 296.792113] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 296.792622] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 296.793234] kthread (kernel/kthread.c:388) [ 296.793731] ? __pfx_kthread (kernel/kthread.c:341) [ 296.794255] ret_from_fork (arch/x86/kernel/process.c:147) [ 296.794754] ? __pfx_kthread (kernel/kthread.c:341) [ 296.795269] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 305.498106] ------------[ cut here ]------------ | [ 305.498742] sysfs group 'bridge' not found for kobject 'br0' | [ 305.499203] WARNING: CPU: 3 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 305.500165] Modules linked in: act_gact cls_flower sch_ingress vxlan ip6_udp_tunnel udp_tunnel [ 305.502458] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 305.504322] Workqueue: netns cleanup_net [ 305.505001] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 305.505902] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 305.508207] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 305.508737] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 305.509380] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 305.510109] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 305.510807] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc2a66610 [ 305.511434] R13: ffffaa568026be08 R14: ffff952cc2a66b80 R15: ffff952cc3892e50 [ 305.512107] FS: 0000000000000000(0000) GS:ffff952cfed80000(0000) knlGS:0000000000000000 [ 305.512682] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 305.512981] CR2: 00007f4fd3a6d000 CR3: 0000000036460002 CR4: 0000000000770ef0 [ 305.513404] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 305.513776] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 305.514136] PKRU: 55555554 [ 305.514278] Call Trace: [ 305.514410] <TASK> [ 305.514527] ? __warn (kernel/panic.c:677) [ 305.514711] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 305.514933] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 305.515131] ? handle_bug (arch/x86/kernel/traps.c:238) [ 305.515316] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 305.515518] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 305.515766] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 305.516051] br_dev_delete (net/bridge/br_if.c:396) [ 305.516303] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 305.516646] cleanup_net (net/core/net_namespace.c:630) [ 305.516940] ? process_one_work (kernel/workqueue.c:2606) [ 305.517267] process_one_work (kernel/workqueue.c:2633) [ 305.517586] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 305.517892] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 305.518228] kthread (kernel/kthread.c:388) [ 305.518484] ? __pfx_kthread (kernel/kthread.c:341) [ 305.518788] ret_from_fork (arch/x86/kernel/process.c:147) [ 305.519075] ? __pfx_kthread (kernel/kthread.c:341) [ 305.519370] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 305.654911] ------------[ cut here ]------------ | [ 305.655337] sysfs group 'bridge' not found for kobject 'br0' | [ 305.655850] WARNING: CPU: 2 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 305.656365] Modules linked in: act_gact cls_flower sch_ingress vxlan ip6_udp_tunnel udp_tunnel [ 305.657506] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 305.658092] Workqueue: netns cleanup_net [ 305.658372] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 305.658787] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 305.660052] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 305.660494] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 305.661094] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 305.661683] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 305.662278] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc260e610 [ 305.662873] R13: ffffaa568026be08 R14: ffff952cc260eb80 R15: ffffffffbb478f90 [ 305.663474] FS: 0000000000000000(0000) GS:ffff952cfed00000(0000) knlGS:0000000000000000 [ 305.664156] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 305.664684] CR2: 00007fff9ffa6588 CR3: 0000000036460004 CR4: 0000000000770ef0 [ 305.665284] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 305.665948] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 305.666554] PKRU: 55555554 [ 305.666792] Call Trace: [ 305.667009] <TASK> [ 305.667226] ? __warn (kernel/panic.c:677) [ 305.667459] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 305.667833] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 305.668107] ? handle_bug (arch/x86/kernel/traps.c:238) [ 305.668489] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 305.668948] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 305.669450] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 305.669923] br_dev_delete (net/bridge/br_if.c:396) [ 305.670307] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 305.670727] cleanup_net (net/core/net_namespace.c:630) [ 305.671062] ? process_one_work (kernel/workqueue.c:2606) [ 305.671285] process_one_work (kernel/workqueue.c:2633) [ 305.671517] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 305.671745] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 305.672019] kthread (kernel/kthread.c:388) [ 305.672190] ? __pfx_kthread (kernel/kthread.c:341) [ 305.672419] ret_from_fork (arch/x86/kernel/process.c:147) [ 305.672612] ? __pfx_kthread (kernel/kthread.c:341) [ 305.672816] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 305.675360] ------------[ cut here ]------------ | [ 305.675599] sysfs group 'bridge' not found for kobject 'br0' | [ 305.675912] WARNING: CPU: 2 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 305.676328] Modules linked in: act_gact cls_flower sch_ingress vxlan ip6_udp_tunnel udp_tunnel [ 305.677237] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 305.677826] Workqueue: netns cleanup_net [ 305.678037] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 305.678292] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 305.679249] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 305.679522] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 305.679909] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 305.680278] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 305.680645] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc2a60610 [ 305.681022] R13: ffffaa568026be08 R14: ffff952cc2a60b80 R15: ffffffffbb478f90 [ 305.681390] FS: 0000000000000000(0000) GS:ffff952cfed00000(0000) knlGS:0000000000000000 [ 305.681815] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 305.682116] CR2: 00007fff9ffa6588 CR3: 0000000036460004 CR4: 0000000000770ef0 [ 305.682483] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 305.682859] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 305.683226] PKRU: 55555554 [ 305.683372] Call Trace: [ 305.683506] <TASK> [ 305.683627] ? __warn (kernel/panic.c:677) [ 305.683810] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 305.684033] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 305.684232] ? handle_bug (arch/x86/kernel/traps.c:238) [ 305.684422] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 305.684626] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 305.684855] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 305.685077] br_dev_delete (net/bridge/br_if.c:396) [ 305.685269] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 305.685497] cleanup_net (net/core/net_namespace.c:630) [ 305.685698] ? process_one_work (kernel/workqueue.c:2606) [ 305.685920] process_one_work (kernel/workqueue.c:2633) [ 305.686133] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 305.686332] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 305.686559] kthread (kernel/kthread.c:388) [ 305.686736] ? __pfx_kthread (kernel/kthread.c:341) [ 305.686935] ret_from_fork (arch/x86/kernel/process.c:147) [ 305.687124] ? __pfx_kthread (kernel/kthread.c:341) [ 305.687322] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 305.689915] ------------[ cut here ]------------ | [ 305.690154] sysfs group 'bridge' not found for kobject 'br0' | [ 305.690456] WARNING: CPU: 2 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 305.690869] Modules linked in: act_gact cls_flower sch_ingress vxlan ip6_udp_tunnel udp_tunnel [ 305.691751] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 305.692326] Workqueue: netns cleanup_net [ 305.692534] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 305.692791] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 305.693724] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 305.693996] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 305.694356] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 305.694723] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 305.695086] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc4b80610 [ 305.695449] R13: ffffaa568026be08 R14: ffff952cc4b80b80 R15: ffffffffbb478f90 [ 305.695819] FS: 0000000000000000(0000) GS:ffff952cfed00000(0000) knlGS:0000000000000000 [ 305.696226] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 305.696521] CR2: 00007fff9ffa6588 CR3: 0000000036460004 CR4: 0000000000770ef0 [ 305.696893] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 305.697255] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 305.697614] PKRU: 55555554 [ 305.697769] Call Trace: [ 305.697901] <TASK> [ 305.698018] ? __warn (kernel/panic.c:677) [ 305.698191] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 305.698409] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 305.698603] ? handle_bug (arch/x86/kernel/traps.c:238) [ 305.698798] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 305.699000] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 305.699223] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 305.699442] br_dev_delete (net/bridge/br_if.c:396) [ 305.699631] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 305.699880] cleanup_net (net/core/net_namespace.c:630) [ 305.700073] ? process_one_work (kernel/workqueue.c:2606) [ 305.700290] process_one_work (kernel/workqueue.c:2633) [ 305.700505] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 305.700710] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 305.700934] kthread (kernel/kthread.c:388) [ 305.701101] ? __pfx_kthread (kernel/kthread.c:341) [ 305.701298] ret_from_fork (arch/x86/kernel/process.c:147) [ 305.701488] ? __pfx_kthread (kernel/kthread.c:341) [ 305.701693] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 314.785923] ------------[ cut here ]------------ | [ 314.786372] sysfs group 'bridge' not found for kobject 'br0' | [ 314.786891] WARNING: CPU: 1 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 314.787595] Modules linked in: act_gact cls_flower sch_ingress vxlan ip6_udp_tunnel udp_tunnel [ 314.789070] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 314.790045] Workqueue: netns cleanup_net [ 314.790371] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 314.790771] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 314.792230] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 314.792677] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 314.793201] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 314.793759] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 314.794253] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc4b80610 [ 314.794641] R13: ffffaa568026be08 R14: ffff952cc4b80b80 R15: ffff952cc39f0050 [ 314.795068] FS: 0000000000000000(0000) GS:ffff952cfec80000(0000) knlGS:0000000000000000 [ 314.795581] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 314.795947] CR2: 00007fff9ffa6588 CR3: 0000000002808001 CR4: 0000000000770ef0 [ 314.796419] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 314.796792] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 314.797355] PKRU: 55555554 [ 314.797609] Call Trace: [ 314.797923] <TASK> [ 314.798179] ? __warn (kernel/panic.c:677) [ 314.798439] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 314.798852] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 314.799285] ? handle_bug (arch/x86/kernel/traps.c:238) [ 314.799739] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 314.800264] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 314.800852] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 314.801401] br_dev_delete (net/bridge/br_if.c:396) [ 314.801892] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 314.802464] cleanup_net (net/core/net_namespace.c:630) [ 314.802966] ? process_one_work (kernel/workqueue.c:2606) [ 314.803521] process_one_work (kernel/workqueue.c:2633) [ 314.804076] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 314.804571] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 314.805117] kthread (kernel/kthread.c:388) [ 314.805534] ? __pfx_kthread (kernel/kthread.c:341) [ 314.806006] ret_from_fork (arch/x86/kernel/process.c:147) [ 314.806487] ? __pfx_kthread (kernel/kthread.c:341) [ 314.806918] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 314.900095] ------------[ cut here ]------------ | [ 314.900456] sysfs group 'bridge' not found for kobject 'br0' | [ 314.900812] WARNING: CPU: 1 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 314.901320] Modules linked in: act_gact cls_flower sch_ingress vxlan ip6_udp_tunnel udp_tunnel [ 314.902264] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 314.903193] Workqueue: netns cleanup_net [ 314.903413] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 314.903832] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 314.906037] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 314.906732] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 314.907662] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 314.908589] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 314.909550] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc49b4610 [ 314.910459] R13: ffffaa568026be08 R14: ffff952cc49b4b80 R15: ffff952cc39f1750 [ 314.911319] FS: 0000000000000000(0000) GS:ffff952cfec80000(0000) knlGS:0000000000000000 [ 314.912257] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 314.912944] CR2: 00007fff9ffa6588 CR3: 0000000036460004 CR4: 0000000000770ef0 [ 314.913735] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 314.914338] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 314.914779] PKRU: 55555554 [ 314.914925] Call Trace: [ 314.915086] <TASK> [ 314.915215] ? __warn (kernel/panic.c:677) [ 314.915416] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 314.915717] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 314.916013] ? handle_bug (arch/x86/kernel/traps.c:238) [ 314.916200] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 314.916401] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 314.916627] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 314.916853] br_dev_delete (net/bridge/br_if.c:396) [ 314.917159] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 314.917565] cleanup_net (net/core/net_namespace.c:630) [ 314.917768] ? process_one_work (kernel/workqueue.c:2606) [ 314.918079] process_one_work (kernel/workqueue.c:2633) [ 314.918407] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 314.918794] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 314.919210] kthread (kernel/kthread.c:388) [ 314.919517] ? __pfx_kthread (kernel/kthread.c:341) [ 314.919894] ret_from_fork (arch/x86/kernel/process.c:147) [ 314.920250] ? __pfx_kthread (kernel/kthread.c:341) [ 314.920630] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 314.926797] ------------[ cut here ]------------ | [ 314.927273] sysfs group 'bridge' not found for kobject 'br0' | [ 314.927971] WARNING: CPU: 1 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 314.928712] Modules linked in: act_gact cls_flower sch_ingress vxlan ip6_udp_tunnel udp_tunnel [ 314.930186] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 314.930767] Workqueue: netns cleanup_net [ 314.931003] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 314.931340] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 314.932815] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 314.933221] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 314.933685] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 314.934194] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 314.934801] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc2a64610 [ 314.935444] R13: ffffaa568026be08 R14: ffff952cc2a64b80 R15: ffff952cc39f1750 [ 314.936057] FS: 0000000000000000(0000) GS:ffff952cfec80000(0000) knlGS:0000000000000000 [ 314.936768] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 314.937256] CR2: 00007fff9ffa6588 CR3: 0000000036460004 CR4: 0000000000770ef0 [ 314.937899] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 314.938504] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 314.939154] PKRU: 55555554 [ 314.939397] Call Trace: [ 314.939648] <TASK> [ 314.939863] ? __warn (kernel/panic.c:677) [ 314.940155] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 314.940509] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 314.940849] ? handle_bug (arch/x86/kernel/traps.c:238) [ 314.941232] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 314.941534] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 314.941768] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 314.942001] br_dev_delete (net/bridge/br_if.c:396) [ 314.942245] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 314.942476] cleanup_net (net/core/net_namespace.c:630) [ 314.942678] ? process_one_work (kernel/workqueue.c:2606) [ 314.942898] process_one_work (kernel/workqueue.c:2633) [ 314.943136] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 314.943405] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 314.943788] kthread (kernel/kthread.c:388) [ 314.943983] ? __pfx_kthread (kernel/kthread.c:341) [ 314.944201] ret_from_fork (arch/x86/kernel/process.c:147) [ 314.944488] ? __pfx_kthread (kernel/kthread.c:341) [ 314.944817] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 315.070907] ------------[ cut here ]------------ | [ 315.071356] sysfs group 'bridge' not found for kobject 'br0' | [ 315.071707] WARNING: CPU: 1 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 315.072220] Modules linked in: act_gact cls_flower sch_ingress vxlan ip6_udp_tunnel udp_tunnel [ 315.073473] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 315.074423] Workqueue: netns cleanup_net [ 315.074811] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 315.075323] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 315.077001] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 315.077467] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 315.078090] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 315.078709] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 315.079301] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc49b2610 [ 315.079990] R13: ffffaa568026be08 R14: ffff952cc49b2b80 R15: ffff952cc39f5c50 [ 315.080590] FS: 0000000000000000(0000) GS:ffff952cfec80000(0000) knlGS:0000000000000000 [ 315.081209] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 315.081646] CR2: 00007fff9ffa6588 CR3: 0000000036460004 CR4: 0000000000770ef0 [ 315.082201] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 315.082779] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 315.083379] PKRU: 55555554 [ 315.083539] Call Trace: [ 315.083751] <TASK> [ 315.083948] ? __warn (kernel/panic.c:677) [ 315.084189] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 315.084548] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 315.084816] ? handle_bug (arch/x86/kernel/traps.c:238) [ 315.085012] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 315.085215] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 315.085461] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 315.085711] br_dev_delete (net/bridge/br_if.c:396) [ 315.085975] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 315.086206] cleanup_net (net/core/net_namespace.c:630) [ 315.086402] ? process_one_work (kernel/workqueue.c:2606) [ 315.086621] process_one_work (kernel/workqueue.c:2633) [ 315.086846] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 315.087089] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 315.087331] kthread (kernel/kthread.c:388) [ 315.087503] ? __pfx_kthread (kernel/kthread.c:341) [ 315.087712] ret_from_fork (arch/x86/kernel/process.c:147) [ 315.087912] ? __pfx_kthread (kernel/kthread.c:341) [ 315.088127] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 324.063055] ------------[ cut here ]------------ | [ 324.063332] sysfs group 'bridge' not found for kobject 'br0' | [ 324.063670] WARNING: CPU: 1 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 324.064392] Modules linked in: act_gact cls_flower sch_ingress vxlan ip6_udp_tunnel udp_tunnel [ 324.066056] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 324.066706] Workqueue: netns cleanup_net [ 324.066969] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 324.067323] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 324.068315] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 324.068754] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 324.069145] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 324.069527] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 324.070206] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc4bfe610 [ 324.070852] R13: ffffaa568026be08 R14: ffff952cc4bfeb80 R15: ffff952cc2b60050 [ 324.071832] FS: 0000000000000000(0000) GS:ffff952cfec80000(0000) knlGS:0000000000000000 [ 324.073078] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 324.073988] CR2: 00007f4d36fca270 CR3: 0000000036460001 CR4: 0000000000770ef0 [ 324.075088] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 324.076026] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 324.076822] PKRU: 55555554 [ 324.077101] Call Trace: [ 324.077433] <TASK> [ 324.077746] ? __warn (kernel/panic.c:677) [ 324.078193] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 324.078803] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 324.079295] ? handle_bug (arch/x86/kernel/traps.c:238) [ 324.079736] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 324.080211] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 324.080778] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 324.081327] br_dev_delete (net/bridge/br_if.c:396) [ 324.081772] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 324.082346] cleanup_net (net/core/net_namespace.c:630) [ 324.082770] ? process_one_work (kernel/workqueue.c:2606) [ 324.083176] process_one_work (kernel/workqueue.c:2633) [ 324.083535] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 324.083881] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 324.084162] kthread (kernel/kthread.c:388) [ 324.084331] ? __pfx_kthread (kernel/kthread.c:341) [ 324.084529] ret_from_fork (arch/x86/kernel/process.c:147) [ 324.084757] ? __pfx_kthread (kernel/kthread.c:341) [ 324.084959] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 324.224888] ------------[ cut here ]------------ | [ 324.225367] sysfs group 'bridge' not found for kobject 'br0' | [ 324.225951] WARNING: CPU: 3 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 324.226789] Modules linked in: act_gact cls_flower sch_ingress vxlan ip6_udp_tunnel udp_tunnel [ 324.228242] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 324.228964] Workqueue: netns cleanup_net [ 324.229208] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 324.229670] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 324.230756] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 324.231222] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 324.231764] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 324.232342] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 324.233074] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc21be610 [ 324.233858] R13: ffffaa568026be08 R14: ffff952cc21beb80 R15: ffffffffbb478f90 [ 324.234701] FS: 0000000000000000(0000) GS:ffff952cfed80000(0000) knlGS:0000000000000000 [ 324.235620] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 324.236223] CR2: 00007fff9ffa6588 CR3: 0000000036460001 CR4: 0000000000770ef0 [ 324.236939] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 324.237729] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 324.238522] PKRU: 55555554 [ 324.238878] Call Trace: [ 324.239177] <TASK> [ 324.239451] ? __warn (kernel/panic.c:677) [ 324.239824] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 324.240242] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 324.240577] ? handle_bug (arch/x86/kernel/traps.c:238) [ 324.240926] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 324.241272] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 324.241679] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 324.242058] br_dev_delete (net/bridge/br_if.c:396) [ 324.242425] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 324.242779] cleanup_net (net/core/net_namespace.c:630) [ 324.243138] ? process_one_work (kernel/workqueue.c:2606) [ 324.243493] process_one_work (kernel/workqueue.c:2633) [ 324.243847] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 324.244061] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 324.244313] kthread (kernel/kthread.c:388) [ 324.244515] ? __pfx_kthread (kernel/kthread.c:341) [ 324.244790] ret_from_fork (arch/x86/kernel/process.c:147) [ 324.244982] ? __pfx_kthread (kernel/kthread.c:341) [ 324.245187] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 324.247814] ------------[ cut here ]------------ | [ 324.248086] sysfs group 'bridge' not found for kobject 'br0' | [ 324.248402] WARNING: CPU: 1 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 324.248881] Modules linked in: act_gact cls_flower sch_ingress vxlan ip6_udp_tunnel udp_tunnel [ 324.249987] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 324.250564] Workqueue: netns cleanup_net [ 324.250789] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 324.251039] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 324.251976] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 324.252246] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 324.252607] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 324.252984] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 324.253347] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc2a62610 [ 324.253725] R13: ffffaa568026be08 R14: ffff952cc2a62b80 R15: ffffffffbb478f90 [ 324.254088] FS: 0000000000000000(0000) GS:ffff952cfec80000(0000) knlGS:0000000000000000 [ 324.254495] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 324.254803] CR2: 00007f3a8c6a4000 CR3: 0000000036460003 CR4: 0000000000770ef0 [ 324.255168] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 324.255529] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 324.255903] PKRU: 55555554 [ 324.256048] Call Trace: [ 324.256182] <TASK> [ 324.256333] ? __warn (kernel/panic.c:677) [ 324.256557] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 324.256876] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 324.257103] ? handle_bug (arch/x86/kernel/traps.c:238) [ 324.257325] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 324.257585] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 324.257901] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 324.258201] br_dev_delete (net/bridge/br_if.c:396) [ 324.258474] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 324.258814] cleanup_net (net/core/net_namespace.c:630) [ 324.259097] ? process_one_work (kernel/workqueue.c:2606) [ 324.259415] process_one_work (kernel/workqueue.c:2633) [ 324.259741] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 324.260025] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 324.260346] kthread (kernel/kthread.c:388) [ 324.260591] ? __pfx_kthread (kernel/kthread.c:341) [ 324.260892] ret_from_fork (arch/x86/kernel/process.c:147) [ 324.261138] ? __pfx_kthread (kernel/kthread.c:341) [ 324.261423] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 324.264413] ------------[ cut here ]------------ | [ 324.264701] sysfs group 'bridge' not found for kobject 'br0' | [ 324.265016] WARNING: CPU: 2 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 324.265432] Modules linked in: act_gact cls_flower sch_ingress vxlan ip6_udp_tunnel udp_tunnel [ 324.266328] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 324.266915] Workqueue: netns cleanup_net [ 324.267125] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 324.267377] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 324.268322] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 324.268593] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 324.268964] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 324.269330] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 324.269710] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc4bfa610 [ 324.270075] R13: ffffaa568026be08 R14: ffff952cc4bfab80 R15: ffffffffbb478f90 [ 324.270445] FS: 0000000000000000(0000) GS:ffff952cfed00000(0000) knlGS:0000000000000000 [ 324.270867] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 324.271165] CR2: 000055d5779cfdec CR3: 0000000002808006 CR4: 0000000000770ef0 [ 324.271532] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 324.271904] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 324.272271] PKRU: 55555554 [ 324.272417] Call Trace: [ 324.272553] <TASK> [ 324.272678] ? __warn (kernel/panic.c:677) [ 324.272856] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 324.273080] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 324.273281] ? handle_bug (arch/x86/kernel/traps.c:238) [ 324.273471] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 324.273699] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 324.273927] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 324.274148] br_dev_delete (net/bridge/br_if.c:396) [ 324.274344] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 324.274578] cleanup_net (net/core/net_namespace.c:630) [ 324.274781] ? process_one_work (kernel/workqueue.c:2606) [ 324.275002] process_one_work (kernel/workqueue.c:2633) [ 324.275215] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 324.275417] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 324.275643] kthread (kernel/kthread.c:388) [ 324.275822] ? __pfx_kthread (kernel/kthread.c:341) [ 324.276022] ret_from_fork (arch/x86/kernel/process.c:147) [ 324.276216] ? __pfx_kthread (kernel/kthread.c:341) [ 324.276415] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 333.315115] ------------[ cut here ]------------ | [ 333.315699] sysfs group 'bridge' not found for kobject 'br0' | [ 333.316165] WARNING: CPU: 2 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 333.316986] Modules linked in: act_gact cls_flower sch_ingress vxlan ip6_udp_tunnel udp_tunnel [ 333.318779] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 333.319776] Workqueue: netns cleanup_net [ 333.320116] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 333.320516] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 333.322351] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 333.322632] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 333.323100] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 333.323644] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 333.324193] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc2a66610 [ 333.324628] R13: ffffaa568026be08 R14: ffff952cc2a66b80 R15: ffff952cc3962e50 [ 333.325252] FS: 0000000000000000(0000) GS:ffff952cfed00000(0000) knlGS:0000000000000000 [ 333.325682] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 333.325981] CR2: 00007fff9ffa6588 CR3: 0000000002808003 CR4: 0000000000770ef0 [ 333.326736] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 333.327351] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 333.327970] PKRU: 55555554 [ 333.328318] Call Trace: [ 333.328569] <TASK> [ 333.328834] ? __warn (kernel/panic.c:677) [ 333.329243] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 333.329802] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 333.330382] ? handle_bug (arch/x86/kernel/traps.c:238) [ 333.330889] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 333.331336] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 333.331793] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 333.332235] br_dev_delete (net/bridge/br_if.c:396) [ 333.332705] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 333.333106] cleanup_net (net/core/net_namespace.c:630) [ 333.333525] ? process_one_work (kernel/workqueue.c:2606) [ 333.334069] process_one_work (kernel/workqueue.c:2633) [ 333.334551] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 333.335266] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 333.335765] kthread (kernel/kthread.c:388) [ 333.336084] ? __pfx_kthread (kernel/kthread.c:341) [ 333.336607] ret_from_fork (arch/x86/kernel/process.c:147) [ 333.337225] ? __pfx_kthread (kernel/kthread.c:341) [ 333.337851] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 333.467919] ------------[ cut here ]------------ | [ 333.468244] sysfs group 'bridge' not found for kobject 'br0' | [ 333.468558] WARNING: CPU: 2 PID: 69 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 333.469095] Modules linked in: act_gact cls_flower sch_ingress vxlan ip6_udp_tunnel udp_tunnel [ 333.471124] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 333.472995] Workqueue: netns cleanup_net [ 333.473564] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 333.474226] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b9 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 All code ======== 0: 48 89 ef mov %rbp,%rdi 3: 5d pop %rbp 4: 41 5c pop %r12 6: e9 7a ad ff ff jmp 0xffffffffffffad85 b: 48 89 ef mov %rbp,%rdi e: e8 12 9b ff ff call 0xffffffffffff9b25 13: eb d1 jmp 0xffffffffffffffe6 15: 90 nop 16: 49 8b 14 24 mov (%r12),%rdx 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 cd b2 b9 mov $0xffffffffb9b2cda0,%rdi 24: e8 ac 67 c5 ff call 0xffffffffffc567d5 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 5b pop %rbx 2f: 5d pop %rbp 30: 41 5c pop %r12 32: c3 ret 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: 66 data16 38: 66 data16 39: 2e cs 3a: 0f .byte 0xf 3b: 1f (bad) 3c: 84 00 test %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 5b pop %rbx 5: 5d pop %rbp 6: 41 5c pop %r12 8: c3 ret 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: 66 data16 e: 66 data16 f: 2e cs 10: 0f .byte 0xf 11: 1f (bad) 12: 84 00 test %al,(%rax) ... [ 333.476340] RSP: 0018:ffffaa568026bd70 EFLAGS: 00010286 [ 333.476883] RAX: 0000000000000000 RBX: ffffffffb97472c0 RCX: 00000000ffffdfff [ 333.477716] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 333.478388] RBP: 0000000000000000 R08: ffffffffb9f78508 R09: 00000000ffffdfff [ 333.479101] R10: ffffffffb9e98520 R11: ffffffffb9f48520 R12: ffff952cc4b84610 [ 333.479795] R13: ffffaa568026be08 R14: ffff952cc4b84b80 R15: ffffffffbb478f90 [ 333.480447] FS: 0000000000000000(0000) GS:ffff952cfed00000(0000) knlGS:0000000000000000 [ 333.481301] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 333.481709] CR2: 00007fff9ffa6588 CR3: 0000000036460004 CR4: 0000000000770ef0 [ 333.482157] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 333.482714] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 333.483182] PKRU: 55555554 [ 333.483328] Call Trace: [ 333.483473] <TASK> [ 333.483680] ? __warn (kernel/panic.c:677) [ 333.483978] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 333.484366] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 333.484566] ? handle_bug (arch/x86/kernel/traps.c:238) [ 333.484912] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 333.485244] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 333.485695] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 333.486082] br_dev_delete (net/bridge/br_if.c:396) [ 333.486461] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 333.486916] cleanup_net (net/core/net_namespace.c:630) [ 333.487275] ? process_one_work (kernel/workqueue.c:2606) [ 333.487751] process_one_work (kernel/workqueue.c:2633) [ 333.488145] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 333.488549] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 333.489019] kthread (kernel/kthread.c:388) [ 333.489371] ? __pfx_kthread (kernel/kthread.c:341) [ 333.489825] ret_from_fork (arch/x86/kernel/process.c:147) [ 333.490194] ? __pfx_kthread (kernel/kthread.c:341) [ 333.490602] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 333.496353] #PF: supervisor read access in kernel mode | [ 333.496819] #PF: error_code(0x0000) - not-present page | [ 333.497264] PGD 37c01067 P4D 37c01067 PUD 0 | [ 333.497490] Oops: 0000 [#1] PREEMPT SMP NOPTI [ 333.498248] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 333.498827] Workqueue: netns cleanup_net [ 333.499039] RIP: 0010:string (lib/vsprintf.c:646 lib/vsprintf.c:728) [ 333.499242] Code: ff 77 36 45 89 d1 31 f6 49 01 f9 66 45 85 d2 75 19 eb 1e 49 39 f8 76 02 88 07 48 83 c7 01 83 c6 01 48 83 c2 01 4c 39 cf 74 07 <0f> b6 02 84 c0 75 e2 4c 89 c2 e9 f8 e0 ff ff 48 c7 c0 a0 87 af b9 All code ======== 0: ff 77 36 push 0x36(%rdi) 3: 45 89 d1 mov %r10d,%r9d 6: 31 f6 xor %esi,%esi 8: 49 01 f9 add %rdi,%r9 b: 66 45 85 d2 test %r10w,%r10w f: 75 19 jne 0x2a 11: eb 1e jmp 0x31 13: 49 39 f8 cmp %rdi,%r8 16: 76 02 jbe 0x1a 18: 88 07 mov %al,(%rdi) 1a: 48 83 c7 01 add $0x1,%rdi 1e: 83 c6 01 add $0x1,%esi 21: 48 83 c2 01 add $0x1,%rdx 25: 4c 39 cf cmp %r9,%rdi 28: 74 07 je 0x31 2a:* 0f b6 02 movzbl (%rdx),%eax <-- trapping instruction 2d: 84 c0 test %al,%al 2f: 75 e2 jne 0x13 31: 4c 89 c2 mov %r8,%rdx 34: e9 f8 e0 ff ff jmp 0xffffffffffffe131 39: 48 c7 c0 a0 87 af b9 mov $0xffffffffb9af87a0,%rax Code starting with the faulting instruction =========================================== 0: 0f b6 02 movzbl (%rdx),%eax 3: 84 c0 test %al,%al 5: 75 e2 jne 0xffffffffffffffe9 7: 4c 89 c2 mov %r8,%rdx a: e9 f8 e0 ff ff jmp 0xffffffffffffe107 f: 48 c7 c0 a0 87 af b9 mov $0xffffffffb9af87a0,%rax [ 333.500220] RSP: 0018:ffffaa568026bb68 EFLAGS: 00010086 [ 333.500490] RAX: ffff952bfffff100 RBX: ffffaa568026bc38 RCX: ffff0a00ffffff04 [ 333.500854] RDX: ffff952c00000100 RSI: 0000000000000000 RDI: ffffaa568026bc5c [ 333.501210] RBP: ffffffffb9bace66 R08: ffffaa568026bc58 R09: ffffaa578026bc5b [ 333.501583] R10: ffffffffffffffff R11: ffffffffb9f48520 R12: ffffaa568026bc58 [ 333.501959] R13: ffffffffb9bace66 R14: 0000000000000008 R15: ffffaa568026bc5c [ 333.502319] FS: 0000000000000000(0000) GS:ffff952cfec80000(0000) knlGS:0000000000000000 [ 333.502731] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 333.503027] CR2: ffff952c00000100 CR3: 000000000572e002 CR4: 0000000000770ef0 [ 333.503395] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 333.503762] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 333.504123] PKRU: 55555554 [ 333.504263] Call Trace: [ 333.504394] <TASK> [ 333.504506] ? __die (arch/x86/kernel/dumpstack.c:421 arch/x86/kernel/dumpstack.c:434) [ 333.504673] ? page_fault_oops (arch/x86/mm/fault.c:707) [ 333.504883] ? fixup_exception (arch/x86/mm/extable.c:254) [ 333.505092] ? exc_page_fault (arch/x86/mm/fault.c:1505 arch/x86/mm/fault.c:1563) [ 333.505294] ? asm_exc_page_fault (./arch/x86/include/asm/idtentry.h:570) [ 333.505511] ? string (lib/vsprintf.c:646 lib/vsprintf.c:728) [ 333.505681] vsnprintf (lib/vsprintf.c:2774) [ 333.505862] vprintk_store (kernel/printk/printk.c:2194) [ 333.506063] ? console_unlock (kernel/printk/printk.c:3055) [ 333.506269] ? vprintk_emit (./arch/x86/include/asm/preempt.h:94 kernel/printk/printk.c:2304) [ 333.506462] vprintk_emit (kernel/printk/printk.c:2284) [ 333.506647] __warn_printk (./include/linux/context_tracking.h:153 kernel/panic.c:726) [ 333.506846] kobject_put (lib/kobject.c:730 (discriminator 1)) [ 333.507029] br_sysfs_delbr (net/bridge/br_sysfs_br.c:1086) [ 333.507219] br_dev_delete (net/bridge/br_if.c:396) [ 333.507411] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 333.507640] cleanup_net (net/core/net_namespace.c:630) [ 333.507834] ? process_one_work (kernel/workqueue.c:2606) [ 333.508049] process_one_work (kernel/workqueue.c:2633) [ 333.508259] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 333.508452] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 333.508681] kthread (kernel/kthread.c:388) [ 333.508853] ? __pfx_kthread (kernel/kthread.c:341) [ 333.509052] ret_from_fork (arch/x86/kernel/process.c:147) [ 333.509247] ? __pfx_kthread (kernel/kthread.c:341) Finger prints: refcount_warn_saturate:br_sysfs_delbr:br_dev_delete:br_net_exit_batch_rtnl sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net sysfs_remove_group:br_dev_delete:br_net_exit_batch_rtnl:cleanup_net string:vsnprintf:vprintk_store:vprintk_emit