====================================== | # TEST: IPv4 over geneve4: PMTU exceptions [ OK ] | [ 233.892938][ T11] ------------[ cut here ]------------ | [ 233.893537][ T11] WARNING: CPU: 0 PID: 11 at drivers/net/geneve.c:1914 geneve_exit_batch_rtnl (drivers/net/geneve.c:1914 (discriminator 1)) geneve | [ 233.894226][ T11] Modules linked in: geneve vxlan ip6_udp_tunnel udp_tunnel act_csum libcrc32c act_pedit cls_flower sch_prio [ 233.895396][ T11] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 233.896096][ T11] Workqueue: netns cleanup_net [ 233.896521][ T11] RIP: 0010:geneve_exit_batch_rtnl (drivers/net/geneve.c:1914 (discriminator 1)) geneve [ 233.896952][ T11] Code: 00 48 8b 83 b8 00 00 00 48 8d 98 48 ff ff ff 48 39 44 24 10 75 a5 48 83 c4 20 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc 90 <0f> 0b 90 eb b9 e8 d2 9d 52 d2 e9 2d fe ff ff 48 89 cf 48 89 4c 24 All code ======== 0: 00 48 8b add %cl,-0x75(%rax) 3: 83 b8 00 00 00 48 8d cmpl $0xffffff8d,0x48000000(%rax) a: 98 cwtl b: 48 ff rex.W (bad) d: ff (bad) e: ff 48 39 decl 0x39(%rax) 11: 44 24 10 rex.R and $0x10,%al 14: 75 a5 jne 0xffffffffffffffbb 16: 48 83 c4 20 add $0x20,%rsp 1a: 5b pop %rbx 1b: 5d pop %rbp 1c: 41 5c pop %r12 1e: 41 5d pop %r13 20: 41 5e pop %r14 22: 41 5f pop %r15 24: c3 ret 25: cc int3 26: cc int3 27: cc int3 28: cc int3 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: eb b9 jmp 0xffffffffffffffe8 2f: e8 d2 9d 52 d2 call 0xffffffffd2529e06 34: e9 2d fe ff ff jmp 0xfffffffffffffe66 39: 48 89 cf mov %rcx,%rdi 3c: 48 rex.W 3d: 89 .byte 0x89 3e: 4c rex.WR 3f: 24 .byte 0x24 Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: eb b9 jmp 0xffffffffffffffbe 5: e8 d2 9d 52 d2 call 0xffffffffd2529ddc a: e9 2d fe ff ff jmp 0xfffffffffffffe3c f: 48 89 cf mov %rcx,%rdi 12: 48 rex.W 13: 89 .byte 0x89 14: 4c rex.WR 15: 24 .byte 0x24 [ 233.898035][ T11] RSP: 0018:ffffc900000bfbe0 EFLAGS: 00010216 [ 233.898368][ T11] RAX: ffff888006384008 RBX: ffff888007238040 RCX: 1ffff1100038091e [ 233.898804][ T11] RDX: 1ffff11006ea4886 RSI: 1ffff11005cc54be RDI: ffff888001c048f0 [ 233.899224][ T11] RBP: ffff888037524430 R08: ffff888001c048f8 R09: fffffbfff2fea078 [ 233.899652][ T11] R10: ffffffff97f503c7 R11: ffff88802e7fc508 R12: dffffc0000000000 [ 233.900093][ T11] R13: fffffbfff2bcf027 R14: ffffffff96565698 R15: ffff8880375243d0 [ 233.900520][ T11] FS: 0000000000000000(0000) GS:ffff88802e600000(0000) knlGS:0000000000000000 [ 233.901007][ T11] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 233.901370][ T11] CR2: 00007ffe657a4528 CR3: 00000000084a4002 CR4: 00000000001706f0 [ 233.901809][ T11] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 233.902235][ T11] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 233.902677][ T11] Call Trace: [ 233.902863][ T11] [ 233.903025][ T11] ? __warn (kernel/panic.c:677) [ 233.903251][ T11] ? geneve_exit_batch_rtnl (drivers/net/geneve.c:1914 (discriminator 1)) geneve [ 233.903601][ T11] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 233.903867][ T11] ? handle_bug (arch/x86/kernel/traps.c:238) [ 233.904102][ T11] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 233.904541][ T11] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 233.904839][ T11] ? geneve_exit_batch_rtnl (drivers/net/geneve.c:1914 (discriminator 1)) geneve [ 233.905263][ T11] ? default_device_exit_batch_rtnl (net/core/dev.c:11626) [ 233.905716][ T11] cleanup_net (net/core/net_namespace.c:628 (discriminator 2)) [ 233.905979][ T11] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) [ 233.906331][ T11] ? __pfx_cleanup_net (net/core/net_namespace.c:581) [ 233.906615][ T11] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725) [ 233.906881][ T11] ? process_one_work (kernel/workqueue.c:2609) [ 233.907165][ T11] process_one_work (kernel/workqueue.c:2638) [ 233.907450][ T11] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228) [ 233.907711][ T11] ? __pfx_process_one_work (kernel/workqueue.c:2542) [ 233.908016][ T11] ? assign_work (kernel/workqueue.c:1101) [ 233.908277][ T11] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 233.908557][ T11] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 233.908845][ T11] kthread (kernel/kthread.c:388) [ 233.909109][ T11] ? __pfx_kthread (kernel/kthread.c:341) [ 233.909423][ T11] ret_from_fork (arch/x86/kernel/process.c:153) [ 233.909717][ T11] ? __pfx_kthread (kernel/kthread.c:341) [ 233.910041][ T11] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 347.017268][ T11] ================================================================== | [ 347.017790][ T11] BUG: KASAN: slab-use-after-free in kobject_put (lib/kobject.c:729) | [ 347.018221][ T11] Read of size 1 at addr ffff8880073d843c by task kworker/u8:0/11 | [ 347.018654][ T11] [ 347.019396][ T11] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 347.020352][ T11] Workqueue: netns cleanup_net [ 347.020745][ T11] Call Trace: [ 347.021012][ T11] [ 347.021225][ T11] dump_stack_lvl (lib/dump_stack.c:107) [ 347.021476][ T11] print_address_description.constprop.0 (mm/kasan/report.c:378) [ 347.021824][ T11] ? kobject_put (lib/kobject.c:729) [ 347.022057][ T11] print_report (mm/kasan/report.c:489) [ 347.022288][ T11] ? kasan_addr_to_slab (./arch/x86/include/asm/bitops.h:206 ./arch/x86/include/asm/bitops.h:238 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 ./include/linux/page-flags.h:481 mm/kasan/../slab.h:206 mm/kasan/common.c:38) [ 347.022559][ T11] kasan_report (mm/kasan/report.c:603) [ 347.022791][ T11] ? kobject_put (lib/kobject.c:729) [ 347.023028][ T11] kobject_put (lib/kobject.c:729) [ 347.023273][ T11] br_sysfs_delbr (net/bridge/br_sysfs_br.c:1086) [ 347.023553][ T11] br_dev_delete (net/bridge/br_if.c:396) [ 347.023809][ T11] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 347.024100][ T11] cleanup_net (net/core/net_namespace.c:628 (discriminator 2)) [ 347.024350][ T11] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) [ 347.024709][ T11] ? __pfx_cleanup_net (net/core/net_namespace.c:581) [ 347.024968][ T11] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725) [ 347.025220][ T11] ? process_one_work (kernel/workqueue.c:2609) [ 347.025504][ T11] process_one_work (kernel/workqueue.c:2638) [ 347.025796][ T11] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228) [ 347.026086][ T11] ? __pfx_process_one_work (kernel/workqueue.c:2542) [ 347.026403][ T11] ? assign_work (kernel/workqueue.c:1101) [ 347.026679][ T11] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 347.026981][ T11] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 347.027309][ T11] kthread (kernel/kthread.c:388) [ 347.027570][ T11] ? __pfx_kthread (kernel/kthread.c:341) [ 347.027847][ T11] ret_from_fork (arch/x86/kernel/process.c:153) [ 347.028140][ T11] ? __pfx_kthread (kernel/kthread.c:341) [ 347.028441][ T11] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 347.051348][ T11] ------------[ cut here ]------------ | [ 347.051636][ T11] refcount_t: underflow; use-after-free. | [ 347.052085][ T11] WARNING: CPU: 2 PID: 11 at lib/refcount.c:28 refcount_warn_saturate (lib/refcount.c:28 (discriminator 3)) | [ 347.052651][ T11] Modules linked in: geneve vxlan ip6_udp_tunnel udp_tunnel act_csum libcrc32c act_pedit cls_flower sch_prio [ 347.053946][ T11] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 347.054665][ T11] Workqueue: netns cleanup_net [ 347.054921][ T11] RIP: 0010:refcount_warn_saturate (lib/refcount.c:28 (discriminator 3)) [ 347.055240][ T11] Code: f9 82 03 80 fb 01 0f 87 ee 02 b1 01 83 e3 01 0f 85 4d ff ff ff c6 05 9a f9 82 03 01 90 48 c7 c7 20 7a 02 95 e8 3e 05 2a ff 90 <0f> 0b 90 90 e9 2f ff ff ff 48 89 df e8 8c 68 a6 ff e9 b6 fe ff ff All code ======== 0: f9 stc 1: 82 (bad) 2: 03 80 fb 01 0f 87 add -0x78f0fe05(%rax),%eax 8: ee out %al,(%dx) 9: 02 b1 01 83 e3 01 add 0x1e38301(%rcx),%dh f: 0f 85 4d ff ff ff jne 0xffffffffffffff62 15: c6 05 9a f9 82 03 01 movb $0x1,0x382f99a(%rip) # 0x382f9b6 1c: 90 nop 1d: 48 c7 c7 20 7a 02 95 mov $0xffffffff95027a20,%rdi 24: e8 3e 05 2a ff call 0xffffffffff2a0567 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: e9 2f ff ff ff jmp 0xffffffffffffff62 33: 48 89 df mov %rbx,%rdi 36: e8 8c 68 a6 ff call 0xffffffffffa668c7 3b: e9 b6 fe ff ff jmp 0xfffffffffffffef6 Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: e9 2f ff ff ff jmp 0xffffffffffffff38 9: 48 89 df mov %rbx,%rdi c: e8 8c 68 a6 ff call 0xffffffffffa6689d 11: e9 b6 fe ff ff jmp 0xfffffffffffffecc [ 347.056338][ T11] RSP: 0018:ffffc900000bfb98 EFLAGS: 00010282 [ 347.056671][ T11] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff9231056f [ 347.057085][ T11] RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000001 [ 347.057548][ T11] RBP: 0000000000000003 R08: 0000000000000000 R09: fffff52000017f18 [ 347.058011][ T11] R10: ffffc900000bf8c7 R11: 205d313154202020 R12: ffff88800615a000 [ 347.058430][ T11] R13: ffff88800615adf8 R14: ffffc900000bfc98 R15: ffff88800615abc0 [ 347.058850][ T11] FS: 0000000000000000(0000) GS:ffff88802ee00000(0000) knlGS:0000000000000000 [ 347.059316][ T11] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 347.059669][ T11] CR2: 00007f61a76be0e0 CR3: 00000000084a4004 CR4: 00000000001706f0 [ 347.060085][ T11] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 347.060494][ T11] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 347.060913][ T11] Call Trace: [ 347.061088][ T11] [ 347.061243][ T11] ? __warn (kernel/panic.c:677) [ 347.061459][ T11] ? refcount_warn_saturate (lib/refcount.c:28 (discriminator 3)) [ 347.061756][ T11] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 347.061999][ T11] ? vprintk_emit (kernel/printk/printk.c:2313) [ 347.062246][ T11] ? handle_bug (arch/x86/kernel/traps.c:238) [ 347.062472][ T11] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 347.062721][ T11] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 347.062985][ T11] ? desc_read (./arch/x86/include/asm/atomic64_64.h:20 ./include/linux/atomic/atomic-arch-fallback.h:2615 ./include/linux/atomic/atomic-long.h:79 ./include/linux/atomic/atomic-instrumented.h:3196 kernel/printk/printk_ringbuffer.c:534) [ 347.063215][ T11] ? refcount_warn_saturate (lib/refcount.c:28 (discriminator 3)) [ 347.063505][ T11] ? refcount_warn_saturate (lib/refcount.c:28 (discriminator 3)) [ 347.063802][ T11] br_sysfs_delbr (net/bridge/br_sysfs_br.c:1086) [ 347.064042][ T11] br_dev_delete (net/bridge/br_if.c:396) [ 347.064288][ T11] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 347.064564][ T11] cleanup_net (net/core/net_namespace.c:628 (discriminator 2)) [ 347.064806][ T11] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) [ 347.065099][ T11] ? __pfx_cleanup_net (net/core/net_namespace.c:581) [ 347.065359][ T11] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725) [ 347.065601][ T11] ? process_one_work (kernel/workqueue.c:2609) [ 347.065888][ T11] process_one_work (kernel/workqueue.c:2638) [ 347.066151][ T11] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228) [ 347.066393][ T11] ? __pfx_process_one_work (kernel/workqueue.c:2542) [ 347.066684][ T11] ? assign_work (kernel/workqueue.c:1101) [ 347.066940][ T11] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 347.067190][ T11] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 347.067574][ T11] kthread (kernel/kthread.c:388) [ 347.067890][ T11] ? __pfx_kthread (kernel/kthread.c:341) [ 347.068222][ T11] ret_from_fork (arch/x86/kernel/process.c:153) [ 347.068466][ T11] ? __pfx_kthread (kernel/kthread.c:341) [ 347.068716][ T11] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 347.072262][ T11] ------------[ cut here ]------------ | [ 347.072564][ T11] sysfs group 'bridge' not found for kobject 'br0' | [ 347.072973][ T11] WARNING: CPU: 2 PID: 11 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 347.073532][ T11] Modules linked in: geneve vxlan ip6_udp_tunnel udp_tunnel act_csum libcrc32c act_pedit cls_flower sch_prio [ 347.074681][ T11] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 347.075315][ T11] Workqueue: netns cleanup_net [ 347.075573][ T11] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 347.075897][ T11] Code: 89 d9 49 8b 14 24 48 b8 00 00 00 00 00 fc ff df 48 c1 e9 03 80 3c 01 00 75 45 48 8b 33 48 c7 c7 a0 a7 fc 94 e8 60 65 5e ff 90 <0f> 0b 90 90 48 83 c4 08 5b 5d 41 5c c3 cc cc cc cc e8 e9 c7 da ff All code ======== 0: 89 d9 mov %ebx,%ecx 2: 49 8b 14 24 mov (%r12),%rdx 6: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax d: fc ff df 10: 48 c1 e9 03 shr $0x3,%rcx 14: 80 3c 01 00 cmpb $0x0,(%rcx,%rax,1) 18: 75 45 jne 0x5f 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 a7 fc 94 mov $0xffffffff94fca7a0,%rdi 24: e8 60 65 5e ff call 0xffffffffff5e6589 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 48 83 c4 08 add $0x8,%rsp 32: 5b pop %rbx 33: 5d pop %rbp 34: 41 5c pop %r12 36: c3 ret 37: cc int3 38: cc int3 39: cc int3 3a: cc int3 3b: e8 e9 c7 da ff call 0xffffffffffdac829 Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 48 83 c4 08 add $0x8,%rsp 8: 5b pop %rbx 9: 5d pop %rbp a: 41 5c pop %r12 c: c3 ret d: cc int3 e: cc int3 f: cc int3 10: cc int3 11: e8 e9 c7 da ff call 0xffffffffffdac7ff [ 347.076906][ T11] RSP: 0018:ffffc900000bfba0 EFLAGS: 00010282 [ 347.077223][ T11] RAX: 0000000000000000 RBX: ffffffff953be220 RCX: ffffffff9231056f [ 347.077636][ T11] RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000001 [ 347.078055][ T11] RBP: 0000000000000000 R08: 0000000000000000 R09: fffff52000017f19 [ 347.078469][ T11] R10: ffffc900000bf8cf R11: 205d313154202020 R12: ffff88800615a628 [ 347.078887][ T11] R13: ffff88800615adf8 R14: ffffc900000bfc98 R15: ffff88800615abc0 [ 347.079299][ T11] FS: 0000000000000000(0000) GS:ffff88802ee00000(0000) knlGS:0000000000000000 [ 347.079895][ T11] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 347.080288][ T11] CR2: 00007f61a76be0e0 CR3: 00000000084a4004 CR4: 00000000001706f0 [ 347.080784][ T11] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 347.081248][ T11] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 347.081675][ T11] Call Trace: [ 347.081854][ T11] [ 347.082011][ T11] ? __warn (kernel/panic.c:677) [ 347.082271][ T11] ? console_trylock (kernel/printk/printk.c:2659 kernel/printk/printk.c:2654) [ 347.082529][ T11] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 347.082853][ T11] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 347.083120][ T11] ? handle_bug (arch/x86/kernel/traps.c:238) [ 347.083346][ T11] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 347.083613][ T11] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 347.083919][ T11] ? desc_read (./arch/x86/include/asm/atomic64_64.h:20 ./include/linux/atomic/atomic-arch-fallback.h:2615 ./include/linux/atomic/atomic-long.h:79 ./include/linux/atomic/atomic-instrumented.h:3196 kernel/printk/printk_ringbuffer.c:534) [ 347.084154][ T11] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 347.084463][ T11] br_dev_delete (net/bridge/br_if.c:396) [ 347.084748][ T11] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 347.085045][ T11] cleanup_net (net/core/net_namespace.c:628 (discriminator 2)) [ 347.085280][ T11] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) [ 347.085606][ T11] ? __pfx_cleanup_net (net/core/net_namespace.c:581) [ 347.085963][ T11] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725) [ 347.086242][ T11] ? process_one_work (kernel/workqueue.c:2609) [ 347.086527][ T11] process_one_work (kernel/workqueue.c:2638) [ 347.086793][ T11] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228) [ 347.087066][ T11] ? __pfx_process_one_work (kernel/workqueue.c:2542) [ 347.087385][ T11] ? assign_work (kernel/workqueue.c:1101) [ 347.087761][ T11] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 347.088019][ T11] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 347.088298][ T11] kthread (kernel/kthread.c:388) [ 347.088537][ T11] ? __pfx_kthread (kernel/kthread.c:341) [ 347.088806][ T11] ret_from_fork (arch/x86/kernel/process.c:153) [ 347.089064][ T11] ? __pfx_kthread (kernel/kthread.c:341) [ 347.089317][ T11] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 362.104881][ T11] ------------[ cut here ]------------ | [ 362.105290][ T11] sysfs group 'bridge' not found for kobject 'br0' | [ 362.105732][ T11] WARNING: CPU: 3 PID: 11 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 362.106339][ T11] Modules linked in: geneve vxlan ip6_udp_tunnel udp_tunnel act_csum libcrc32c act_pedit cls_flower sch_prio [ 362.107665][ T11] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 362.108416][ T11] Workqueue: netns cleanup_net [ 362.108713][ T11] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 362.109105][ T11] Code: 89 d9 49 8b 14 24 48 b8 00 00 00 00 00 fc ff df 48 c1 e9 03 80 3c 01 00 75 45 48 8b 33 48 c7 c7 a0 a7 fc 94 e8 60 65 5e ff 90 <0f> 0b 90 90 48 83 c4 08 5b 5d 41 5c c3 cc cc cc cc e8 e9 c7 da ff All code ======== 0: 89 d9 mov %ebx,%ecx 2: 49 8b 14 24 mov (%r12),%rdx 6: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax d: fc ff df 10: 48 c1 e9 03 shr $0x3,%rcx 14: 80 3c 01 00 cmpb $0x0,(%rcx,%rax,1) 18: 75 45 jne 0x5f 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 a7 fc 94 mov $0xffffffff94fca7a0,%rdi 24: e8 60 65 5e ff call 0xffffffffff5e6589 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 48 83 c4 08 add $0x8,%rsp 32: 5b pop %rbx 33: 5d pop %rbp 34: 41 5c pop %r12 36: c3 ret 37: cc int3 38: cc int3 39: cc int3 3a: cc int3 3b: e8 e9 c7 da ff call 0xffffffffffdac829 Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 48 83 c4 08 add $0x8,%rsp 8: 5b pop %rbx 9: 5d pop %rbp a: 41 5c pop %r12 c: c3 ret d: cc int3 e: cc int3 f: cc int3 10: cc int3 11: e8 e9 c7 da ff call 0xffffffffffdac7ff [ 362.110284][ T11] RSP: 0018:ffffc900000bfba0 EFLAGS: 00010282 [ 362.110637][ T11] RAX: 0000000000000000 RBX: ffffffff953be220 RCX: ffffffff9231056f [ 362.111150][ T11] RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000001 [ 362.111623][ T11] RBP: 0000000000000000 R08: 0000000000000000 R09: fffff52000017f19 [ 362.112109][ T11] R10: ffffc900000bf8cf R11: 205d313154202020 R12: ffff8880096ca628 [ 362.112523][ T11] R13: ffff8880096cadf8 R14: ffffc900000bfc98 R15: ffff8880096cabc0 [ 362.112953][ T11] FS: 0000000000000000(0000) GS:ffff88802f200000(0000) knlGS:0000000000000000 [ 362.113415][ T11] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 362.113776][ T11] CR2: 00007feaa3b20000 CR3: 0000000035b34004 CR4: 00000000001706f0 [ 362.114204][ T11] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 362.114615][ T11] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 362.115064][ T11] Call Trace: [ 362.115296][ T11] [ 362.115504][ T11] ? __warn (kernel/panic.c:677) [ 362.115760][ T11] ? console_trylock (kernel/printk/printk.c:2659 kernel/printk/printk.c:2654) [ 362.116083][ T11] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 362.116408][ T11] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 362.116700][ T11] ? handle_bug (arch/x86/kernel/traps.c:238) [ 362.116969][ T11] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 362.117261][ T11] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 362.117583][ T11] ? desc_read (./arch/x86/include/asm/atomic64_64.h:20 ./include/linux/atomic/atomic-arch-fallback.h:2615 ./include/linux/atomic/atomic-long.h:79 ./include/linux/atomic/atomic-instrumented.h:3196 kernel/printk/printk_ringbuffer.c:534) [ 362.117880][ T11] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 362.118223][ T11] br_dev_delete (net/bridge/br_if.c:396) [ 362.118493][ T11] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 362.118840][ T11] cleanup_net (net/core/net_namespace.c:628 (discriminator 2)) [ 362.119133][ T11] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725) [ 362.119420][ T11] ? __pfx_cleanup_net (net/core/net_namespace.c:581) [ 362.119721][ T11] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725) [ 362.120032][ T11] ? process_one_work (kernel/workqueue.c:2609) [ 362.120320][ T11] process_one_work (kernel/workqueue.c:2638) [ 362.120682][ T11] ? __pfx_process_one_work (kernel/workqueue.c:2542) [ 362.121008][ T11] ? assign_work (kernel/workqueue.c:1101) [ 362.121280][ T11] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 362.121742][ T11] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 362.122143][ T11] kthread (kernel/kthread.c:388) [ 362.122494][ T11] ? __pfx_kthread (kernel/kthread.c:341) [ 362.122932][ T11] ret_from_fork (arch/x86/kernel/process.c:153) [ 362.123284][ T11] ? __pfx_kthread (kernel/kthread.c:341) [ 362.123647][ T11] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 376.562443][ T11] ------------[ cut here ]------------ | [ 376.562825][ T11] sysfs group 'bridge' not found for kobject 'br0' | [ 376.563283][ T11] WARNING: CPU: 0 PID: 11 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 376.563899][ T11] Modules linked in: geneve vxlan ip6_udp_tunnel udp_tunnel act_csum libcrc32c act_pedit cls_flower sch_prio [ 376.565067][ T11] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 376.565883][ T11] Workqueue: netns cleanup_net [ 376.566224][ T11] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 376.566600][ T11] Code: 89 d9 49 8b 14 24 48 b8 00 00 00 00 00 fc ff df 48 c1 e9 03 80 3c 01 00 75 45 48 8b 33 48 c7 c7 a0 a7 fc 94 e8 60 65 5e ff 90 <0f> 0b 90 90 48 83 c4 08 5b 5d 41 5c c3 cc cc cc cc e8 e9 c7 da ff All code ======== 0: 89 d9 mov %ebx,%ecx 2: 49 8b 14 24 mov (%r12),%rdx 6: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax d: fc ff df 10: 48 c1 e9 03 shr $0x3,%rcx 14: 80 3c 01 00 cmpb $0x0,(%rcx,%rax,1) 18: 75 45 jne 0x5f 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 a7 fc 94 mov $0xffffffff94fca7a0,%rdi 24: e8 60 65 5e ff call 0xffffffffff5e6589 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 48 83 c4 08 add $0x8,%rsp 32: 5b pop %rbx 33: 5d pop %rbp 34: 41 5c pop %r12 36: c3 ret 37: cc int3 38: cc int3 39: cc int3 3a: cc int3 3b: e8 e9 c7 da ff call 0xffffffffffdac829 Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 48 83 c4 08 add $0x8,%rsp 8: 5b pop %rbx 9: 5d pop %rbp a: 41 5c pop %r12 c: c3 ret d: cc int3 e: cc int3 f: cc int3 10: cc int3 11: e8 e9 c7 da ff call 0xffffffffffdac7ff [ 376.567686][ T11] RSP: 0018:ffffc900000bfba0 EFLAGS: 00010282 [ 376.568069][ T11] RAX: 0000000000000000 RBX: ffffffff953be220 RCX: ffffffff9231056f [ 376.568544][ T11] RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000001 [ 376.569049][ T11] RBP: 0000000000000000 R08: 0000000000000000 R09: fffff52000017f19 [ 376.569530][ T11] R10: ffffc900000bf8cf R11: 205d313154202020 R12: ffff888009b5a628 [ 376.570034][ T11] R13: ffff888009b5adf8 R14: ffffc900000bfc98 R15: ffff888009b5abc0 [ 376.570548][ T11] FS: 0000000000000000(0000) GS:ffff88802e600000(0000) knlGS:0000000000000000 [ 376.571096][ T11] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 376.571498][ T11] CR2: 00007f4add33830d CR3: 0000000035b34006 CR4: 00000000001706f0 [ 376.571980][ T11] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 376.572476][ T11] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 376.572966][ T11] Call Trace: [ 376.573178][ T11] [ 376.573349][ T11] ? __warn (kernel/panic.c:677) [ 376.573608][ T11] ? console_trylock (kernel/printk/printk.c:2659 kernel/printk/printk.c:2654) [ 376.573915][ T11] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 376.574231][ T11] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 376.574499][ T11] ? handle_bug (arch/x86/kernel/traps.c:238) [ 376.574784][ T11] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 376.575076][ T11] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 376.575392][ T11] ? desc_read (./arch/x86/include/asm/atomic64_64.h:20 ./include/linux/atomic/atomic-arch-fallback.h:2615 ./include/linux/atomic/atomic-long.h:79 ./include/linux/atomic/atomic-instrumented.h:3196 kernel/printk/printk_ringbuffer.c:534) [ 376.575667][ T11] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 376.576008][ T11] br_dev_delete (net/bridge/br_if.c:396) [ 376.576317][ T11] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 376.576628][ T11] cleanup_net (net/core/net_namespace.c:628 (discriminator 2)) [ 376.576922][ T11] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725) [ 376.577208][ T11] ? __pfx_cleanup_net (net/core/net_namespace.c:581) [ 376.577526][ T11] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725) [ 376.577797][ T11] ? process_one_work (kernel/workqueue.c:2609) [ 376.578069][ T11] process_one_work (kernel/workqueue.c:2638) [ 376.578350][ T11] ? __pfx_process_one_work (kernel/workqueue.c:2542) [ 376.578649][ T11] ? assign_work (kernel/workqueue.c:1101) [ 376.578920][ T11] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 376.579197][ T11] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 376.579571][ T11] kthread (kernel/kthread.c:388) [ 376.579848][ T11] ? __pfx_kthread (kernel/kthread.c:341) [ 376.580162][ T11] ret_from_fork (arch/x86/kernel/process.c:153) [ 376.580456][ T11] ? __pfx_kthread (kernel/kthread.c:341) [ 376.580756][ T11] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 391.814258][ T11] ------------[ cut here ]------------ | [ 391.814710][ T11] sysfs group 'bridge' not found for kobject 'br0' | [ 391.815212][ T11] WARNING: CPU: 3 PID: 11 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 391.815907][ T11] Modules linked in: geneve vxlan ip6_udp_tunnel udp_tunnel act_csum libcrc32c act_pedit cls_flower sch_prio [ 391.817345][ T11] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 391.818157][ T11] Workqueue: netns cleanup_net [ 391.818501][ T11] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 391.818856][ T11] Code: 89 d9 49 8b 14 24 48 b8 00 00 00 00 00 fc ff df 48 c1 e9 03 80 3c 01 00 75 45 48 8b 33 48 c7 c7 a0 a7 fc 94 e8 60 65 5e ff 90 <0f> 0b 90 90 48 83 c4 08 5b 5d 41 5c c3 cc cc cc cc e8 e9 c7 da ff All code ======== 0: 89 d9 mov %ebx,%ecx 2: 49 8b 14 24 mov (%r12),%rdx 6: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax d: fc ff df 10: 48 c1 e9 03 shr $0x3,%rcx 14: 80 3c 01 00 cmpb $0x0,(%rcx,%rax,1) 18: 75 45 jne 0x5f 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 a7 fc 94 mov $0xffffffff94fca7a0,%rdi 24: e8 60 65 5e ff call 0xffffffffff5e6589 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 48 83 c4 08 add $0x8,%rsp 32: 5b pop %rbx 33: 5d pop %rbp 34: 41 5c pop %r12 36: c3 ret 37: cc int3 38: cc int3 39: cc int3 3a: cc int3 3b: e8 e9 c7 da ff call 0xffffffffffdac829 Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 48 83 c4 08 add $0x8,%rsp 8: 5b pop %rbx 9: 5d pop %rbp a: 41 5c pop %r12 c: c3 ret d: cc int3 e: cc int3 f: cc int3 10: cc int3 11: e8 e9 c7 da ff call 0xffffffffffdac7ff [ 391.819901][ T11] RSP: 0018:ffffc900000bfba0 EFLAGS: 00010282 [ 391.820226][ T11] RAX: 0000000000000000 RBX: ffffffff953be220 RCX: ffffffff9231056f [ 391.820640][ T11] RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000001 [ 391.821069][ T11] RBP: 0000000000000000 R08: 0000000000000000 R09: fffff52000017f19 [ 391.821510][ T11] R10: ffffc900000bf8cf R11: 205d313154202020 R12: ffff88800618a628 [ 391.821961][ T11] R13: ffff88800618adf8 R14: ffffc900000bfc98 R15: ffff88800618abc0 [ 391.822398][ T11] FS: 0000000000000000(0000) GS:ffff88802f200000(0000) knlGS:0000000000000000 [ 391.822927][ T11] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 391.823299][ T11] CR2: 00007ff606576000 CR3: 0000000035b34004 CR4: 00000000001706f0 [ 391.823729][ T11] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 391.824214][ T11] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 391.824652][ T11] Call Trace: [ 391.824849][ T11] [ 391.825019][ T11] ? __warn (kernel/panic.c:677) [ 391.825250][ T11] ? console_trylock (kernel/printk/printk.c:2659 kernel/printk/printk.c:2654) [ 391.825538][ T11] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 391.825958][ T11] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 391.826212][ T11] ? handle_bug (arch/x86/kernel/traps.c:238) [ 391.826460][ T11] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 391.826738][ T11] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 391.827042][ T11] ? desc_read (./arch/x86/include/asm/atomic64_64.h:20 ./include/linux/atomic/atomic-arch-fallback.h:2615 ./include/linux/atomic/atomic-long.h:79 ./include/linux/atomic/atomic-instrumented.h:3196 kernel/printk/printk_ringbuffer.c:534) [ 391.827301][ T11] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 391.827591][ T11] br_dev_delete (net/bridge/br_if.c:396) [ 391.827879][ T11] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 391.828228][ T11] cleanup_net (net/core/net_namespace.c:628 (discriminator 2)) [ 391.828555][ T11] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725) [ 391.828905][ T11] ? __pfx_cleanup_net (net/core/net_namespace.c:581) [ 391.829206][ T11] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725) [ 391.829544][ T11] ? process_one_work (kernel/workqueue.c:2609) [ 391.829917][ T11] process_one_work (kernel/workqueue.c:2638) [ 391.830268][ T11] ? __pfx_process_one_work (kernel/workqueue.c:2542) [ 391.830681][ T11] ? assign_work (kernel/workqueue.c:1101) [ 391.831025][ T11] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 391.831368][ T11] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 391.831763][ T11] kthread (kernel/kthread.c:388) [ 391.832092][ T11] ? __pfx_kthread (kernel/kthread.c:341) [ 391.832444][ T11] ret_from_fork (arch/x86/kernel/process.c:153) [ 391.832780][ T11] ? __pfx_kthread (kernel/kthread.c:341) [ 391.833129][ T11] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 406.473702][ T11] ------------[ cut here ]------------ | [ 406.474036][ T11] sysfs group 'bridge' not found for kobject 'br0' | [ 406.474418][ T11] WARNING: CPU: 0 PID: 11 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 406.474995][ T11] Modules linked in: geneve vxlan ip6_udp_tunnel udp_tunnel act_csum libcrc32c act_pedit cls_flower sch_prio [ 406.476173][ T11] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 406.476818][ T11] Workqueue: netns cleanup_net [ 406.477143][ T11] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 406.477486][ T11] Code: 89 d9 49 8b 14 24 48 b8 00 00 00 00 00 fc ff df 48 c1 e9 03 80 3c 01 00 75 45 48 8b 33 48 c7 c7 a0 a7 fc 94 e8 60 65 5e ff 90 <0f> 0b 90 90 48 83 c4 08 5b 5d 41 5c c3 cc cc cc cc e8 e9 c7 da ff All code ======== 0: 89 d9 mov %ebx,%ecx 2: 49 8b 14 24 mov (%r12),%rdx 6: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax d: fc ff df 10: 48 c1 e9 03 shr $0x3,%rcx 14: 80 3c 01 00 cmpb $0x0,(%rcx,%rax,1) 18: 75 45 jne 0x5f 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 a7 fc 94 mov $0xffffffff94fca7a0,%rdi 24: e8 60 65 5e ff call 0xffffffffff5e6589 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 48 83 c4 08 add $0x8,%rsp 32: 5b pop %rbx 33: 5d pop %rbp 34: 41 5c pop %r12 36: c3 ret 37: cc int3 38: cc int3 39: cc int3 3a: cc int3 3b: e8 e9 c7 da ff call 0xffffffffffdac829 Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 48 83 c4 08 add $0x8,%rsp 8: 5b pop %rbx 9: 5d pop %rbp a: 41 5c pop %r12 c: c3 ret d: cc int3 e: cc int3 f: cc int3 10: cc int3 11: e8 e9 c7 da ff call 0xffffffffffdac7ff [ 406.478548][ T11] RSP: 0018:ffffc900000bfba0 EFLAGS: 00010282 [ 406.478934][ T11] RAX: 0000000000000000 RBX: ffffffff953be220 RCX: ffffffff9231056f [ 406.479409][ T11] RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000001 [ 406.479898][ T11] RBP: 0000000000000000 R08: 0000000000000000 R09: fffff52000017f19 [ 406.480387][ T11] R10: ffffc900000bf8cf R11: 205d313154202020 R12: ffff88803720a628 [ 406.480897][ T11] R13: ffff88803720adf8 R14: ffffc900000bfc98 R15: ffff88803720abc0 [ 406.481373][ T11] FS: 0000000000000000(0000) GS:ffff88802e600000(0000) knlGS:0000000000000000 [ 406.481910][ T11] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 406.482305][ T11] CR2: 00007ffe657a4468 CR3: 00000000098e4005 CR4: 00000000001706f0 [ 406.482809][ T11] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 406.483271][ T11] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 406.483729][ T11] Call Trace: [ 406.483957][ T11] [ 406.484128][ T11] ? __warn (kernel/panic.c:677) [ 406.484375][ T11] ? console_trylock (kernel/printk/printk.c:2659 kernel/printk/printk.c:2654) [ 406.484677][ T11] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 406.484990][ T11] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 406.485343][ T11] ? handle_bug (arch/x86/kernel/traps.c:238) [ 406.485753][ T11] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 406.486134][ T11] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 406.486569][ T11] ? desc_read (./arch/x86/include/asm/atomic64_64.h:20 ./include/linux/atomic/atomic-arch-fallback.h:2615 ./include/linux/atomic/atomic-long.h:79 ./include/linux/atomic/atomic-instrumented.h:3196 kernel/printk/printk_ringbuffer.c:534) [ 406.486978][ T11] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 406.487434][ T11] br_dev_delete (net/bridge/br_if.c:396) [ 406.487852][ T11] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 406.488302][ T11] cleanup_net (net/core/net_namespace.c:628 (discriminator 2)) [ 406.488702][ T11] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725) [ 406.489114][ T11] ? __pfx_cleanup_net (net/core/net_namespace.c:581) [ 406.489541][ T11] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725) [ 406.489963][ T11] ? process_one_work (kernel/workqueue.c:2609) [ 406.490408][ T11] process_one_work (kernel/workqueue.c:2638) [ 406.490858][ T11] ? __pfx_process_one_work (kernel/workqueue.c:2542) [ 406.491285][ T11] ? assign_work (kernel/workqueue.c:1101) [ 406.491552][ T11] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 406.491850][ T11] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 406.492272][ T11] kthread (kernel/kthread.c:388) [ 406.492638][ T11] ? __pfx_kthread (kernel/kthread.c:341) [ 406.493008][ T11] ret_from_fork (arch/x86/kernel/process.c:153) [ 406.493390][ T11] ? __pfx_kthread (kernel/kthread.c:341) [ 406.493811][ T11] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 421.521812][ T11] ------------[ cut here ]------------ | [ 421.522170][ T11] sysfs group 'bridge' not found for kobject 'br0' | [ 421.522623][ T11] WARNING: CPU: 2 PID: 11 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 421.523184][ T11] Modules linked in: geneve vxlan ip6_udp_tunnel udp_tunnel act_csum libcrc32c act_pedit cls_flower sch_prio [ 421.524493][ T11] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 421.525278][ T11] Workqueue: netns cleanup_net [ 421.525566][ T11] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 421.525955][ T11] Code: 89 d9 49 8b 14 24 48 b8 00 00 00 00 00 fc ff df 48 c1 e9 03 80 3c 01 00 75 45 48 8b 33 48 c7 c7 a0 a7 fc 94 e8 60 65 5e ff 90 <0f> 0b 90 90 48 83 c4 08 5b 5d 41 5c c3 cc cc cc cc e8 e9 c7 da ff All code ======== 0: 89 d9 mov %ebx,%ecx 2: 49 8b 14 24 mov (%r12),%rdx 6: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax d: fc ff df 10: 48 c1 e9 03 shr $0x3,%rcx 14: 80 3c 01 00 cmpb $0x0,(%rcx,%rax,1) 18: 75 45 jne 0x5f 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 a7 fc 94 mov $0xffffffff94fca7a0,%rdi 24: e8 60 65 5e ff call 0xffffffffff5e6589 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 48 83 c4 08 add $0x8,%rsp 32: 5b pop %rbx 33: 5d pop %rbp 34: 41 5c pop %r12 36: c3 ret 37: cc int3 38: cc int3 39: cc int3 3a: cc int3 3b: e8 e9 c7 da ff call 0xffffffffffdac829 Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 48 83 c4 08 add $0x8,%rsp 8: 5b pop %rbx 9: 5d pop %rbp a: 41 5c pop %r12 c: c3 ret d: cc int3 e: cc int3 f: cc int3 10: cc int3 11: e8 e9 c7 da ff call 0xffffffffffdac7ff [ 421.527150][ T11] RSP: 0018:ffffc900000bfba0 EFLAGS: 00010282 [ 421.527528][ T11] RAX: 0000000000000000 RBX: ffffffff953be220 RCX: ffffffff9231056f [ 421.528023][ T11] RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000001 [ 421.528490][ T11] RBP: 0000000000000000 R08: 0000000000000000 R09: fffff52000017f19 [ 421.528966][ T11] R10: ffffc900000bf8cf R11: 205d313154202020 R12: ffff88800632a628 [ 421.529402][ T11] R13: ffff88800632adf8 R14: ffffc900000bfc98 R15: ffff88800632abc0 [ 421.529850][ T11] FS: 0000000000000000(0000) GS:ffff88802ee00000(0000) knlGS:0000000000000000 [ 421.530341][ T11] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 421.530707][ T11] CR2: 00007fd383471270 CR3: 0000000035b34005 CR4: 00000000001706f0 [ 421.531149][ T11] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 421.531569][ T11] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 421.531989][ T11] Call Trace: [ 421.532168][ T11] [ 421.532325][ T11] ? __warn (kernel/panic.c:677) [ 421.532542][ T11] ? console_trylock (kernel/printk/printk.c:2659 kernel/printk/printk.c:2654) [ 421.532810][ T11] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 421.533114][ T11] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 421.533364][ T11] ? handle_bug (arch/x86/kernel/traps.c:238) [ 421.533642][ T11] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 421.533953][ T11] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 421.534245][ T11] ? desc_read (./arch/x86/include/asm/atomic64_64.h:20 ./include/linux/atomic/atomic-arch-fallback.h:2615 ./include/linux/atomic/atomic-long.h:79 ./include/linux/atomic/atomic-instrumented.h:3196 kernel/printk/printk_ringbuffer.c:534) [ 421.534503][ T11] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 421.534827][ T11] br_dev_delete (net/bridge/br_if.c:396) [ 421.535119][ T11] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 421.535443][ T11] cleanup_net (net/core/net_namespace.c:628 (discriminator 2)) [ 421.535776][ T11] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725) [ 421.536067][ T11] ? __pfx_cleanup_net (net/core/net_namespace.c:581) [ 421.536347][ T11] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725) [ 421.536610][ T11] ? process_one_work (kernel/workqueue.c:2609) [ 421.536909][ T11] process_one_work (kernel/workqueue.c:2638) [ 421.537191][ T11] ? __pfx_process_one_work (kernel/workqueue.c:2542) [ 421.537501][ T11] ? assign_work (kernel/workqueue.c:1101) [ 421.537782][ T11] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 421.538042][ T11] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 421.538330][ T11] kthread (kernel/kthread.c:388) [ 421.538564][ T11] ? __pfx_kthread (kernel/kthread.c:341) [ 421.538836][ T11] ret_from_fork (arch/x86/kernel/process.c:153) [ 421.539095][ T11] ? __pfx_kthread (kernel/kthread.c:341) [ 421.539353][ T11] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 436.079070][ T11] ------------[ cut here ]------------ | [ 436.079541][ T11] sysfs group 'bridge' not found for kobject 'br0' | [ 436.080208][ T11] WARNING: CPU: 1 PID: 11 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 436.081030][ T11] Modules linked in: geneve vxlan ip6_udp_tunnel udp_tunnel act_csum libcrc32c act_pedit cls_flower sch_prio [ 436.082824][ T11] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 436.083573][ T11] Workqueue: netns cleanup_net [ 436.083876][ T11] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 436.084253][ T11] Code: 89 d9 49 8b 14 24 48 b8 00 00 00 00 00 fc ff df 48 c1 e9 03 80 3c 01 00 75 45 48 8b 33 48 c7 c7 a0 a7 fc 94 e8 60 65 5e ff 90 <0f> 0b 90 90 48 83 c4 08 5b 5d 41 5c c3 cc cc cc cc e8 e9 c7 da ff All code ======== 0: 89 d9 mov %ebx,%ecx 2: 49 8b 14 24 mov (%r12),%rdx 6: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax d: fc ff df 10: 48 c1 e9 03 shr $0x3,%rcx 14: 80 3c 01 00 cmpb $0x0,(%rcx,%rax,1) 18: 75 45 jne 0x5f 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 a7 fc 94 mov $0xffffffff94fca7a0,%rdi 24: e8 60 65 5e ff call 0xffffffffff5e6589 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 48 83 c4 08 add $0x8,%rsp 32: 5b pop %rbx 33: 5d pop %rbp 34: 41 5c pop %r12 36: c3 ret 37: cc int3 38: cc int3 39: cc int3 3a: cc int3 3b: e8 e9 c7 da ff call 0xffffffffffdac829 Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 48 83 c4 08 add $0x8,%rsp 8: 5b pop %rbx 9: 5d pop %rbp a: 41 5c pop %r12 c: c3 ret d: cc int3 e: cc int3 f: cc int3 10: cc int3 11: e8 e9 c7 da ff call 0xffffffffffdac7ff [ 436.085476][ T11] RSP: 0018:ffffc900000bfba0 EFLAGS: 00010282 [ 436.085846][ T11] RAX: 0000000000000000 RBX: ffffffff953be220 RCX: ffffffff9231056f [ 436.086326][ T11] RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000001 [ 436.086807][ T11] RBP: 0000000000000000 R08: 0000000000000000 R09: fffff52000017f19 [ 436.087227][ T11] R10: ffffc900000bf8cf R11: 205d313154202020 R12: ffff88800988a628 [ 436.087641][ T11] R13: ffff88800988adf8 R14: ffffc900000bfc98 R15: ffff88800988abc0 [ 436.088079][ T11] FS: 0000000000000000(0000) GS:ffff88802ea00000(0000) knlGS:0000000000000000 [ 436.088543][ T11] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 436.088900][ T11] CR2: 00007f01d0ac2000 CR3: 00000000084a4001 CR4: 00000000001706f0 [ 436.089587][ T11] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 436.090090][ T11] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 436.090599][ T11] Call Trace: [ 436.090795][ T11] [ 436.090951][ T11] ? __warn (kernel/panic.c:677) [ 436.091260][ T11] ? console_trylock (kernel/printk/printk.c:2659 kernel/printk/printk.c:2654) [ 436.091593][ T11] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 436.091954][ T11] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 436.092238][ T11] ? handle_bug (arch/x86/kernel/traps.c:238) [ 436.092522][ T11] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 436.092824][ T11] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 436.093119][ T11] ? desc_read (./arch/x86/include/asm/atomic64_64.h:20 ./include/linux/atomic/atomic-arch-fallback.h:2615 ./include/linux/atomic/atomic-long.h:79 ./include/linux/atomic/atomic-instrumented.h:3196 kernel/printk/printk_ringbuffer.c:534) [ 436.093388][ T11] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 436.093737][ T11] br_dev_delete (net/bridge/br_if.c:396) [ 436.094003][ T11] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 436.094335][ T11] cleanup_net (net/core/net_namespace.c:628 (discriminator 2)) [ 436.094608][ T11] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725) [ 436.094892][ T11] ? __pfx_cleanup_net (net/core/net_namespace.c:581) [ 436.095207][ T11] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725) [ 436.095505][ T11] ? process_one_work (kernel/workqueue.c:2609) [ 436.095793][ T11] process_one_work (kernel/workqueue.c:2638) [ 436.096093][ T11] ? __pfx_process_one_work (kernel/workqueue.c:2542) [ 436.096436][ T11] ? assign_work (kernel/workqueue.c:1101) [ 436.096698][ T11] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 436.096972][ T11] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 436.097302][ T11] kthread (kernel/kthread.c:388) [ 436.097544][ T11] ? __pfx_kthread (kernel/kthread.c:341) [ 436.097822][ T11] ret_from_fork (arch/x86/kernel/process.c:153) [ 436.098079][ T11] ? __pfx_kthread (kernel/kthread.c:341) [ 436.098337][ T11] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 451.247578][ T11] ------------[ cut here ]------------ | [ 451.247921][ T11] sysfs group 'bridge' not found for kobject 'br0' | [ 451.248310][ T11] WARNING: CPU: 3 PID: 11 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 451.248831][ T11] Modules linked in: geneve vxlan ip6_udp_tunnel udp_tunnel act_csum libcrc32c act_pedit cls_flower sch_prio [ 451.250010][ T11] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 451.250684][ T11] Workqueue: netns cleanup_net [ 451.250958][ T11] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 451.251282][ T11] Code: 89 d9 49 8b 14 24 48 b8 00 00 00 00 00 fc ff df 48 c1 e9 03 80 3c 01 00 75 45 48 8b 33 48 c7 c7 a0 a7 fc 94 e8 60 65 5e ff 90 <0f> 0b 90 90 48 83 c4 08 5b 5d 41 5c c3 cc cc cc cc e8 e9 c7 da ff All code ======== 0: 89 d9 mov %ebx,%ecx 2: 49 8b 14 24 mov (%r12),%rdx 6: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax d: fc ff df 10: 48 c1 e9 03 shr $0x3,%rcx 14: 80 3c 01 00 cmpb $0x0,(%rcx,%rax,1) 18: 75 45 jne 0x5f 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 a7 fc 94 mov $0xffffffff94fca7a0,%rdi 24: e8 60 65 5e ff call 0xffffffffff5e6589 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 48 83 c4 08 add $0x8,%rsp 32: 5b pop %rbx 33: 5d pop %rbp 34: 41 5c pop %r12 36: c3 ret 37: cc int3 38: cc int3 39: cc int3 3a: cc int3 3b: e8 e9 c7 da ff call 0xffffffffffdac829 Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 48 83 c4 08 add $0x8,%rsp 8: 5b pop %rbx 9: 5d pop %rbp a: 41 5c pop %r12 c: c3 ret d: cc int3 e: cc int3 f: cc int3 10: cc int3 11: e8 e9 c7 da ff call 0xffffffffffdac7ff [ 451.252330][ T11] RSP: 0018:ffffc900000bfba0 EFLAGS: 00010282 [ 451.252666][ T11] RAX: 0000000000000000 RBX: ffffffff953be220 RCX: ffffffff9231056f [ 451.253097][ T11] RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000001 [ 451.253584][ T11] RBP: 0000000000000000 R08: 0000000000000000 R09: fffff52000017f19 [ 451.254073][ T11] R10: ffffc900000bf8cf R11: 205d313154202020 R12: ffff888009f1a628 [ 451.254580][ T11] R13: ffff888009f1adf8 R14: ffffc900000bfc98 R15: ffff888009f1abc0 [ 451.255070][ T11] FS: 0000000000000000(0000) GS:ffff88802f200000(0000) knlGS:0000000000000000 [ 451.255726][ T11] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 451.256098][ T11] CR2: 00007fa388bda000 CR3: 0000000035b34006 CR4: 00000000001706f0 [ 451.256576][ T11] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 451.257009][ T11] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 451.257532][ T11] Call Trace: [ 451.257747][ T11] [ 451.257918][ T11] ? __warn (kernel/panic.c:677) [ 451.258173][ T11] ? console_trylock (kernel/printk/printk.c:2659 kernel/printk/printk.c:2654) [ 451.258475][ T11] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 451.258805][ T11] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 451.259102][ T11] ? handle_bug (arch/x86/kernel/traps.c:238) [ 451.259380][ T11] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 451.259699][ T11] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 451.259995][ T11] ? desc_read (./arch/x86/include/asm/atomic64_64.h:20 ./include/linux/atomic/atomic-arch-fallback.h:2615 ./include/linux/atomic/atomic-long.h:79 ./include/linux/atomic/atomic-instrumented.h:3196 kernel/printk/printk_ringbuffer.c:534) [ 451.260252][ T11] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 451.260577][ T11] br_dev_delete (net/bridge/br_if.c:396) [ 451.260897][ T11] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 451.261216][ T11] cleanup_net (net/core/net_namespace.c:628 (discriminator 2)) [ 451.261469][ T11] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725) [ 451.261751][ T11] ? __pfx_cleanup_net (net/core/net_namespace.c:581) [ 451.262070][ T11] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725) [ 451.262331][ T11] ? process_one_work (kernel/workqueue.c:2609) [ 451.262631][ T11] process_one_work (kernel/workqueue.c:2638) [ 451.262975][ T11] ? __pfx_process_one_work (kernel/workqueue.c:2542) [ 451.263321][ T11] ? assign_work (kernel/workqueue.c:1101) [ 451.263577][ T11] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 451.263898][ T11] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 451.264220][ T11] kthread (kernel/kthread.c:388) [ 451.264443][ T11] ? __pfx_kthread (kernel/kthread.c:341) [ 451.264721][ T11] ret_from_fork (arch/x86/kernel/process.c:153) [ 451.264963][ T11] ? __pfx_kthread (kernel/kthread.c:341) [ 451.265202][ T11] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 465.839462][ T11] ------------[ cut here ]------------ | [ 465.839941][ T11] sysfs group 'bridge' not found for kobject 'br0' | [ 465.840437][ T11] WARNING: CPU: 2 PID: 11 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 465.841116][ T11] Modules linked in: geneve vxlan ip6_udp_tunnel udp_tunnel act_csum libcrc32c act_pedit cls_flower sch_prio [ 465.842563][ T11] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 465.843430][ T11] Workqueue: netns cleanup_net [ 465.843718][ T11] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 465.844050][ T11] Code: 89 d9 49 8b 14 24 48 b8 00 00 00 00 00 fc ff df 48 c1 e9 03 80 3c 01 00 75 45 48 8b 33 48 c7 c7 a0 a7 fc 94 e8 60 65 5e ff 90 <0f> 0b 90 90 48 83 c4 08 5b 5d 41 5c c3 cc cc cc cc e8 e9 c7 da ff All code ======== 0: 89 d9 mov %ebx,%ecx 2: 49 8b 14 24 mov (%r12),%rdx 6: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax d: fc ff df 10: 48 c1 e9 03 shr $0x3,%rcx 14: 80 3c 01 00 cmpb $0x0,(%rcx,%rax,1) 18: 75 45 jne 0x5f 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 a7 fc 94 mov $0xffffffff94fca7a0,%rdi 24: e8 60 65 5e ff call 0xffffffffff5e6589 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 48 83 c4 08 add $0x8,%rsp 32: 5b pop %rbx 33: 5d pop %rbp 34: 41 5c pop %r12 36: c3 ret 37: cc int3 38: cc int3 39: cc int3 3a: cc int3 3b: e8 e9 c7 da ff call 0xffffffffffdac829 Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 48 83 c4 08 add $0x8,%rsp 8: 5b pop %rbx 9: 5d pop %rbp a: 41 5c pop %r12 c: c3 ret d: cc int3 e: cc int3 f: cc int3 10: cc int3 11: e8 e9 c7 da ff call 0xffffffffffdac7ff [ 465.845188][ T11] RSP: 0018:ffffc900000bfba0 EFLAGS: 00010282 [ 465.845552][ T11] RAX: 0000000000000000 RBX: ffffffff953be220 RCX: ffffffff9231056f [ 465.846090][ T11] RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000001 [ 465.846565][ T11] RBP: 0000000000000000 R08: 0000000000000000 R09: fffff52000017f19 [ 465.847109][ T11] R10: ffffc900000bf8cf R11: 205d313154202020 R12: ffff888009cca628 [ 465.847769][ T11] R13: ffff888009ccadf8 R14: ffffc900000bfc98 R15: ffff888009ccabc0 [ 465.848435][ T11] FS: 0000000000000000(0000) GS:ffff88802ee00000(0000) knlGS:0000000000000000 [ 465.849146][ T11] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 465.849706][ T11] CR2: 00007ffed1995c38 CR3: 0000000035b34006 CR4: 00000000001706f0 [ 465.850367][ T11] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 465.850995][ T11] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 465.851555][ T11] Call Trace: [ 465.851784][ T11] [ 465.851995][ T11] ? __warn (kernel/panic.c:677) [ 465.852287][ T11] ? console_trylock (kernel/printk/printk.c:2659 kernel/printk/printk.c:2654) [ 465.852619][ T11] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 465.852982][ T11] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 465.853314][ T11] ? handle_bug (arch/x86/kernel/traps.c:238) [ 465.853605][ T11] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 465.854000][ T11] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 465.854338][ T11] ? desc_read (./arch/x86/include/asm/atomic64_64.h:20 ./include/linux/atomic/atomic-arch-fallback.h:2615 ./include/linux/atomic/atomic-long.h:79 ./include/linux/atomic/atomic-instrumented.h:3196 kernel/printk/printk_ringbuffer.c:534) [ 465.854618][ T11] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 465.854945][ T11] br_dev_delete (net/bridge/br_if.c:396) [ 465.855311][ T11] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 465.855646][ T11] cleanup_net (net/core/net_namespace.c:628 (discriminator 2)) [ 465.855930][ T11] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725) [ 465.856206][ T11] ? __pfx_cleanup_net (net/core/net_namespace.c:581) [ 465.856504][ T11] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725) [ 465.856789][ T11] ? process_one_work (kernel/workqueue.c:2609) [ 465.857081][ T11] process_one_work (kernel/workqueue.c:2638) [ 465.857411][ T11] ? __pfx_process_one_work (kernel/workqueue.c:2542) [ 465.857735][ T11] ? assign_work (kernel/workqueue.c:1101) [ 465.858049][ T11] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 465.858339][ T11] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 465.858634][ T11] kthread (kernel/kthread.c:388) [ 465.858879][ T11] ? __pfx_kthread (kernel/kthread.c:341) [ 465.859157][ T11] ret_from_fork (arch/x86/kernel/process.c:153) [ 465.859401][ T11] ? __pfx_kthread (kernel/kthread.c:341) [ 465.859755][ T11] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 481.109449][ T11] ------------[ cut here ]------------ | [ 481.109932][ T11] sysfs group 'bridge' not found for kobject 'br0' | [ 481.110346][ T11] WARNING: CPU: 0 PID: 11 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 481.110928][ T11] Modules linked in: geneve vxlan ip6_udp_tunnel udp_tunnel act_csum libcrc32c act_pedit cls_flower sch_prio [ 481.112160][ T11] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 481.112842][ T11] Workqueue: netns cleanup_net [ 481.113139][ T11] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 481.113489][ T11] Code: 89 d9 49 8b 14 24 48 b8 00 00 00 00 00 fc ff df 48 c1 e9 03 80 3c 01 00 75 45 48 8b 33 48 c7 c7 a0 a7 fc 94 e8 60 65 5e ff 90 <0f> 0b 90 90 48 83 c4 08 5b 5d 41 5c c3 cc cc cc cc e8 e9 c7 da ff All code ======== 0: 89 d9 mov %ebx,%ecx 2: 49 8b 14 24 mov (%r12),%rdx 6: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax d: fc ff df 10: 48 c1 e9 03 shr $0x3,%rcx 14: 80 3c 01 00 cmpb $0x0,(%rcx,%rax,1) 18: 75 45 jne 0x5f 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 a7 fc 94 mov $0xffffffff94fca7a0,%rdi 24: e8 60 65 5e ff call 0xffffffffff5e6589 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 48 83 c4 08 add $0x8,%rsp 32: 5b pop %rbx 33: 5d pop %rbp 34: 41 5c pop %r12 36: c3 ret 37: cc int3 38: cc int3 39: cc int3 3a: cc int3 3b: e8 e9 c7 da ff call 0xffffffffffdac829 Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 48 83 c4 08 add $0x8,%rsp 8: 5b pop %rbx 9: 5d pop %rbp a: 41 5c pop %r12 c: c3 ret d: cc int3 e: cc int3 f: cc int3 10: cc int3 11: e8 e9 c7 da ff call 0xffffffffffdac7ff [ 481.114555][ T11] RSP: 0018:ffffc900000bfba0 EFLAGS: 00010282 [ 481.114927][ T11] RAX: 0000000000000000 RBX: ffffffff953be220 RCX: ffffffff9231056f [ 481.115378][ T11] RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000001 [ 481.115841][ T11] RBP: 0000000000000000 R08: 0000000000000000 R09: fffff52000017f19 [ 481.116307][ T11] R10: ffffc900000bf8cf R11: 205d313154202020 R12: ffff888004a52628 [ 481.116765][ T11] R13: ffff888004a52df8 R14: ffffc900000bfc98 R15: ffff888004a52bc0 [ 481.117200][ T11] FS: 0000000000000000(0000) GS:ffff88802e600000(0000) knlGS:0000000000000000 [ 481.117712][ T11] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 481.118110][ T11] CR2: 00007efd6d14b000 CR3: 0000000035b34001 CR4: 00000000001706f0 [ 481.118562][ T11] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 481.119012][ T11] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 481.119468][ T11] Call Trace: [ 481.119696][ T11] [ 481.119858][ T11] ? __warn (kernel/panic.c:677) [ 481.120111][ T11] ? console_trylock (kernel/printk/printk.c:2659 kernel/printk/printk.c:2654) [ 481.120389][ T11] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 481.120708][ T11] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 481.121000][ T11] ? handle_bug (arch/x86/kernel/traps.c:238) [ 481.121270][ T11] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 481.121618][ T11] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 481.121976][ T11] ? desc_read (./arch/x86/include/asm/atomic64_64.h:20 ./include/linux/atomic/atomic-arch-fallback.h:2615 ./include/linux/atomic/atomic-long.h:79 ./include/linux/atomic/atomic-instrumented.h:3196 kernel/printk/printk_ringbuffer.c:534) [ 481.122261][ T11] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 481.122616][ T11] br_dev_delete (net/bridge/br_if.c:396) [ 481.122970][ T11] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 481.123430][ T11] cleanup_net (net/core/net_namespace.c:628 (discriminator 2)) [ 481.123814][ T11] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725) [ 481.124231][ T11] ? __pfx_cleanup_net (net/core/net_namespace.c:581) [ 481.124689][ T11] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725) [ 481.125099][ T11] ? process_one_work (kernel/workqueue.c:2609) [ 481.125690][ T11] process_one_work (kernel/workqueue.c:2638) [ 481.126131][ T11] ? __pfx_process_one_work (kernel/workqueue.c:2542) [ 481.126603][ T11] ? assign_work (kernel/workqueue.c:1101) [ 481.127019][ T11] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 481.127420][ T11] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 481.127873][ T11] kthread (kernel/kthread.c:388) [ 481.128198][ T11] ? __pfx_kthread (kernel/kthread.c:341) [ 481.128489][ T11] ret_from_fork (arch/x86/kernel/process.c:153) [ 481.128781][ T11] ? __pfx_kthread (kernel/kthread.c:341) [ 481.129199][ T11] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 495.927758][ T11] ------------[ cut here ]------------ | [ 495.928108][ T11] sysfs group 'bridge' not found for kobject 'br0' | [ 495.928488][ T11] WARNING: CPU: 2 PID: 11 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 495.928982][ T11] Modules linked in: geneve vxlan ip6_udp_tunnel udp_tunnel act_csum libcrc32c act_pedit cls_flower sch_prio [ 495.930108][ T11] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 495.930797][ T11] Workqueue: netns cleanup_net [ 495.931056][ T11] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 495.931363][ T11] Code: 89 d9 49 8b 14 24 48 b8 00 00 00 00 00 fc ff df 48 c1 e9 03 80 3c 01 00 75 45 48 8b 33 48 c7 c7 a0 a7 fc 94 e8 60 65 5e ff 90 <0f> 0b 90 90 48 83 c4 08 5b 5d 41 5c c3 cc cc cc cc e8 e9 c7 da ff All code ======== 0: 89 d9 mov %ebx,%ecx 2: 49 8b 14 24 mov (%r12),%rdx 6: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax d: fc ff df 10: 48 c1 e9 03 shr $0x3,%rcx 14: 80 3c 01 00 cmpb $0x0,(%rcx,%rax,1) 18: 75 45 jne 0x5f 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 a7 fc 94 mov $0xffffffff94fca7a0,%rdi 24: e8 60 65 5e ff call 0xffffffffff5e6589 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 48 83 c4 08 add $0x8,%rsp 32: 5b pop %rbx 33: 5d pop %rbp 34: 41 5c pop %r12 36: c3 ret 37: cc int3 38: cc int3 39: cc int3 3a: cc int3 3b: e8 e9 c7 da ff call 0xffffffffffdac829 Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 48 83 c4 08 add $0x8,%rsp 8: 5b pop %rbx 9: 5d pop %rbp a: 41 5c pop %r12 c: c3 ret d: cc int3 e: cc int3 f: cc int3 10: cc int3 11: e8 e9 c7 da ff call 0xffffffffffdac7ff [ 495.932489][ T11] RSP: 0018:ffffc900000bfba0 EFLAGS: 00010282 [ 495.932843][ T11] RAX: 0000000000000000 RBX: ffffffff953be220 RCX: ffffffff9231056f [ 495.933444][ T11] RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000001 [ 495.934125][ T11] RBP: 0000000000000000 R08: 0000000000000000 R09: fffff52000017f19 [ 495.934803][ T11] R10: ffffc900000bf8cf R11: 205d313154202020 R12: ffff88800974a628 [ 495.935504][ T11] R13: ffff88800974adf8 R14: ffffc900000bfc98 R15: ffff88800974abc0 [ 495.936192][ T11] FS: 0000000000000000(0000) GS:ffff88802ee00000(0000) knlGS:0000000000000000 [ 495.936965][ T11] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 495.937536][ T11] CR2: 000055832ea930f0 CR3: 0000000035b34006 CR4: 00000000001706f0 [ 495.938173][ T11] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 495.938813][ T11] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 495.939435][ T11] Call Trace: [ 495.939693][ T11] [ 495.939958][ T11] ? __warn (kernel/panic.c:677) [ 495.940285][ T11] ? console_trylock (kernel/printk/printk.c:2659 kernel/printk/printk.c:2654) [ 495.940559][ T11] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 495.940872][ T11] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 495.941141][ T11] ? handle_bug (arch/x86/kernel/traps.c:238) [ 495.941387][ T11] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 495.941648][ T11] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 495.941946][ T11] ? desc_read (./arch/x86/include/asm/atomic64_64.h:20 ./include/linux/atomic/atomic-arch-fallback.h:2615 ./include/linux/atomic/atomic-long.h:79 ./include/linux/atomic/atomic-instrumented.h:3196 kernel/printk/printk_ringbuffer.c:534) [ 495.942209][ T11] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 495.942497][ T11] br_dev_delete (net/bridge/br_if.c:396) [ 495.942769][ T11] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 495.943159][ T11] cleanup_net (net/core/net_namespace.c:628 (discriminator 2)) [ 495.943485][ T11] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725) [ 495.943761][ T11] ? __pfx_cleanup_net (net/core/net_namespace.c:581) [ 495.944045][ T11] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725) [ 495.944289][ T11] ? process_one_work (kernel/workqueue.c:2609) [ 495.944559][ T11] process_one_work (kernel/workqueue.c:2638) [ 495.944830][ T11] ? __pfx_process_one_work (kernel/workqueue.c:2542) [ 495.945215][ T11] ? assign_work (kernel/workqueue.c:1101) [ 495.945457][ T11] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 495.945719][ T11] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 495.946003][ T11] kthread (kernel/kthread.c:388) [ 495.946221][ T11] ? __pfx_kthread (kernel/kthread.c:341) [ 495.946464][ T11] ret_from_fork (arch/x86/kernel/process.c:153) [ 495.946710][ T11] ? __pfx_kthread (kernel/kthread.c:341) [ 495.946962][ T11] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 510.992144][ T11] ------------[ cut here ]------------ | [ 510.992494][ T11] sysfs group 'bridge' not found for kobject 'br0' | [ 510.992897][ T11] WARNING: CPU: 3 PID: 11 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 510.993410][ T11] Modules linked in: geneve vxlan ip6_udp_tunnel udp_tunnel act_csum libcrc32c act_pedit cls_flower sch_prio [ 510.994619][ T11] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 510.995315][ T11] Workqueue: netns cleanup_net [ 510.995575][ T11] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 510.995890][ T11] Code: 89 d9 49 8b 14 24 48 b8 00 00 00 00 00 fc ff df 48 c1 e9 03 80 3c 01 00 75 45 48 8b 33 48 c7 c7 a0 a7 fc 94 e8 60 65 5e ff 90 <0f> 0b 90 90 48 83 c4 08 5b 5d 41 5c c3 cc cc cc cc e8 e9 c7 da ff All code ======== 0: 89 d9 mov %ebx,%ecx 2: 49 8b 14 24 mov (%r12),%rdx 6: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax d: fc ff df 10: 48 c1 e9 03 shr $0x3,%rcx 14: 80 3c 01 00 cmpb $0x0,(%rcx,%rax,1) 18: 75 45 jne 0x5f 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 a7 fc 94 mov $0xffffffff94fca7a0,%rdi 24: e8 60 65 5e ff call 0xffffffffff5e6589 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 48 83 c4 08 add $0x8,%rsp 32: 5b pop %rbx 33: 5d pop %rbp 34: 41 5c pop %r12 36: c3 ret 37: cc int3 38: cc int3 39: cc int3 3a: cc int3 3b: e8 e9 c7 da ff call 0xffffffffffdac829 Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 48 83 c4 08 add $0x8,%rsp 8: 5b pop %rbx 9: 5d pop %rbp a: 41 5c pop %r12 c: c3 ret d: cc int3 e: cc int3 f: cc int3 10: cc int3 11: e8 e9 c7 da ff call 0xffffffffffdac7ff [ 510.996906][ T11] RSP: 0018:ffffc900000bfba0 EFLAGS: 00010282 [ 510.997265][ T11] RAX: 0000000000000000 RBX: ffffffff953be220 RCX: ffffffff9231056f [ 510.997708][ T11] RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000001 [ 510.998166][ T11] RBP: 0000000000000000 R08: 0000000000000000 R09: fffff52000017f19 [ 510.998591][ T11] R10: ffffc900000bf8cf R11: 205d313154202020 R12: ffff88800a93a628 [ 510.999062][ T11] R13: ffff88800a93adf8 R14: ffffc900000bfc98 R15: ffff88800a93abc0 [ 510.999498][ T11] FS: 0000000000000000(0000) GS:ffff88802f200000(0000) knlGS:0000000000000000 [ 511.000021][ T11] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 511.000390][ T11] CR2: 00007fc3a5ced000 CR3: 0000000035b34002 CR4: 00000000001706f0 [ 511.000839][ T11] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 511.001310][ T11] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 511.001765][ T11] Call Trace: [ 511.001974][ T11] [ 511.002172][ T11] ? __warn (kernel/panic.c:677) [ 511.002417][ T11] ? console_trylock (kernel/printk/printk.c:2659 kernel/printk/printk.c:2654) [ 511.002781][ T11] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 511.003215][ T11] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 511.003504][ T11] ? handle_bug (arch/x86/kernel/traps.c:238) [ 511.003876][ T11] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 511.004225][ T11] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 511.004630][ T11] ? desc_read (./arch/x86/include/asm/atomic64_64.h:20 ./include/linux/atomic/atomic-arch-fallback.h:2615 ./include/linux/atomic/atomic-long.h:79 ./include/linux/atomic/atomic-instrumented.h:3196 kernel/printk/printk_ringbuffer.c:534) [ 511.005014][ T11] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 511.005429][ T11] br_dev_delete (net/bridge/br_if.c:396) [ 511.005814][ T11] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 511.006230][ T11] cleanup_net (net/core/net_namespace.c:628 (discriminator 2)) [ 511.006571][ T11] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725) [ 511.006984][ T11] ? __pfx_cleanup_net (net/core/net_namespace.c:581) [ 511.007378][ T11] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725) [ 511.007782][ T11] ? process_one_work (kernel/workqueue.c:2609) [ 511.008138][ T11] process_one_work (kernel/workqueue.c:2638) [ 511.008487][ T11] ? __pfx_process_one_work (kernel/workqueue.c:2542) [ 511.008891][ T11] ? assign_work (kernel/workqueue.c:1101) [ 511.009207][ T11] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 511.009557][ T11] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 511.009830][ T11] kthread (kernel/kthread.c:388) [ 511.010046][ T11] ? __pfx_kthread (kernel/kthread.c:341) [ 511.010291][ T11] ret_from_fork (arch/x86/kernel/process.c:153) [ 511.010525][ T11] ? __pfx_kthread (kernel/kthread.c:341) [ 511.010889][ T11] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 525.692085][ T11] ------------[ cut here ]------------ | [ 525.692447][ T11] sysfs group 'bridge' not found for kobject 'br0' | [ 525.692913][ T11] WARNING: CPU: 3 PID: 11 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 525.693475][ T11] Modules linked in: geneve vxlan ip6_udp_tunnel udp_tunnel act_csum libcrc32c act_pedit cls_flower sch_prio [ 525.694689][ T11] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 525.695410][ T11] Workqueue: netns cleanup_net [ 525.695757][ T11] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 525.696171][ T11] Code: 89 d9 49 8b 14 24 48 b8 00 00 00 00 00 fc ff df 48 c1 e9 03 80 3c 01 00 75 45 48 8b 33 48 c7 c7 a0 a7 fc 94 e8 60 65 5e ff 90 <0f> 0b 90 90 48 83 c4 08 5b 5d 41 5c c3 cc cc cc cc e8 e9 c7 da ff All code ======== 0: 89 d9 mov %ebx,%ecx 2: 49 8b 14 24 mov (%r12),%rdx 6: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax d: fc ff df 10: 48 c1 e9 03 shr $0x3,%rcx 14: 80 3c 01 00 cmpb $0x0,(%rcx,%rax,1) 18: 75 45 jne 0x5f 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 a7 fc 94 mov $0xffffffff94fca7a0,%rdi 24: e8 60 65 5e ff call 0xffffffffff5e6589 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 48 83 c4 08 add $0x8,%rsp 32: 5b pop %rbx 33: 5d pop %rbp 34: 41 5c pop %r12 36: c3 ret 37: cc int3 38: cc int3 39: cc int3 3a: cc int3 3b: e8 e9 c7 da ff call 0xffffffffffdac829 Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 48 83 c4 08 add $0x8,%rsp 8: 5b pop %rbx 9: 5d pop %rbp a: 41 5c pop %r12 c: c3 ret d: cc int3 e: cc int3 f: cc int3 10: cc int3 11: e8 e9 c7 da ff call 0xffffffffffdac7ff [ 525.697667][ T11] RSP: 0018:ffffc900000bfba0 EFLAGS: 00010282 [ 525.698129][ T11] RAX: 0000000000000000 RBX: ffffffff953be220 RCX: ffffffff9231056f [ 525.698634][ T11] RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000001 [ 525.699113][ T11] RBP: 0000000000000000 R08: 0000000000000000 R09: fffff52000017f19 [ 525.699565][ T11] R10: ffffc900000bf8cf R11: 205d313154202020 R12: ffff88800623a628 [ 525.700045][ T11] R13: ffff88800623adf8 R14: ffffc900000bfc98 R15: ffff88800623abc0 [ 525.700509][ T11] FS: 0000000000000000(0000) GS:ffff88802f200000(0000) knlGS:0000000000000000 [ 525.701056][ T11] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 525.701430][ T11] CR2: 00007f845c6f7000 CR3: 0000000035b34003 CR4: 00000000001706f0 [ 525.701925][ T11] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 525.702405][ T11] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 525.702884][ T11] Call Trace: [ 525.703075][ T11] [ 525.703251][ T11] ? __warn (kernel/panic.c:677) [ 525.703517][ T11] ? console_trylock (kernel/printk/printk.c:2659 kernel/printk/printk.c:2654) [ 525.703815][ T11] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 525.704104][ T11] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 525.704359][ T11] ? handle_bug (arch/x86/kernel/traps.c:238) [ 525.704599][ T11] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 525.704862][ T11] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 525.705156][ T11] ? desc_read (./arch/x86/include/asm/atomic64_64.h:20 ./include/linux/atomic/atomic-arch-fallback.h:2615 ./include/linux/atomic/atomic-long.h:79 ./include/linux/atomic/atomic-instrumented.h:3196 kernel/printk/printk_ringbuffer.c:534) [ 525.705400][ T11] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 525.705697][ T11] br_dev_delete (net/bridge/br_if.c:396) [ 525.705988][ T11] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 525.706301][ T11] cleanup_net (net/core/net_namespace.c:628 (discriminator 2)) [ 525.706575][ T11] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725) [ 525.706866][ T11] ? __pfx_cleanup_net (net/core/net_namespace.c:581) [ 525.707202][ T11] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725) [ 525.707476][ T11] ? process_one_work (kernel/workqueue.c:2609) [ 525.707788][ T11] process_one_work (kernel/workqueue.c:2638) [ 525.708106][ T11] ? __pfx_process_one_work (kernel/workqueue.c:2542) [ 525.708412][ T11] ? assign_work (kernel/workqueue.c:1101) [ 525.708688][ T11] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 525.708971][ T11] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 525.709259][ T11] kthread (kernel/kthread.c:388) [ 525.709498][ T11] ? __pfx_kthread (kernel/kthread.c:341) [ 525.709791][ T11] ret_from_fork (arch/x86/kernel/process.c:153) [ 525.710047][ T11] ? __pfx_kthread (kernel/kthread.c:341) [ 525.710300][ T11] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 540.632146][ T11] ------------[ cut here ]------------ | [ 540.632688][ T11] sysfs group 'bridge' not found for kobject 'br0' | [ 540.633232][ T11] WARNING: CPU: 0 PID: 11 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 540.634003][ T11] Modules linked in: geneve vxlan ip6_udp_tunnel udp_tunnel act_csum libcrc32c act_pedit cls_flower sch_prio [ 540.635801][ T11] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 540.636675][ T11] Workqueue: netns cleanup_net [ 540.636974][ T11] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 540.637387][ T11] Code: 89 d9 49 8b 14 24 48 b8 00 00 00 00 00 fc ff df 48 c1 e9 03 80 3c 01 00 75 45 48 8b 33 48 c7 c7 a0 a7 fc 94 e8 60 65 5e ff 90 <0f> 0b 90 90 48 83 c4 08 5b 5d 41 5c c3 cc cc cc cc e8 e9 c7 da ff All code ======== 0: 89 d9 mov %ebx,%ecx 2: 49 8b 14 24 mov (%r12),%rdx 6: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax d: fc ff df 10: 48 c1 e9 03 shr $0x3,%rcx 14: 80 3c 01 00 cmpb $0x0,(%rcx,%rax,1) 18: 75 45 jne 0x5f 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 a7 fc 94 mov $0xffffffff94fca7a0,%rdi 24: e8 60 65 5e ff call 0xffffffffff5e6589 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 48 83 c4 08 add $0x8,%rsp 32: 5b pop %rbx 33: 5d pop %rbp 34: 41 5c pop %r12 36: c3 ret 37: cc int3 38: cc int3 39: cc int3 3a: cc int3 3b: e8 e9 c7 da ff call 0xffffffffffdac829 Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 48 83 c4 08 add $0x8,%rsp 8: 5b pop %rbx 9: 5d pop %rbp a: 41 5c pop %r12 c: c3 ret d: cc int3 e: cc int3 f: cc int3 10: cc int3 11: e8 e9 c7 da ff call 0xffffffffffdac7ff [ 540.638513][ T11] RSP: 0018:ffffc900000bfba0 EFLAGS: 00010282 [ 540.638952][ T11] RAX: 0000000000000000 RBX: ffffffff953be220 RCX: ffffffff9231056f [ 540.639491][ T11] RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000001 [ 540.639973][ T11] RBP: 0000000000000000 R08: 0000000000000000 R09: fffff52000017f19 [ 540.640560][ T11] R10: ffffc900000bf8cf R11: 205d313154202020 R12: ffff888009b72628 [ 540.641172][ T11] R13: ffff888009b72df8 R14: ffffc900000bfc98 R15: ffff888009b72bc0 [ 540.641790][ T11] FS: 0000000000000000(0000) GS:ffff88802e600000(0000) knlGS:0000000000000000 [ 540.642542][ T11] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 540.643103][ T11] CR2: 00007f568a9d7270 CR3: 0000000035b34001 CR4: 00000000001706f0 [ 540.643789][ T11] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 540.644454][ T11] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 540.645089][ T11] Call Trace: [ 540.645368][ T11] [ 540.645671][ T11] ? __warn (kernel/panic.c:677) [ 540.646050][ T11] ? console_trylock (kernel/printk/printk.c:2659 kernel/printk/printk.c:2654) [ 540.646468][ T11] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 540.646929][ T11] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 540.647353][ T11] ? handle_bug (arch/x86/kernel/traps.c:238) [ 540.647754][ T11] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 540.648173][ T11] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 540.648505][ T11] ? desc_read (./arch/x86/include/asm/atomic64_64.h:20 ./include/linux/atomic/atomic-arch-fallback.h:2615 ./include/linux/atomic/atomic-long.h:79 ./include/linux/atomic/atomic-instrumented.h:3196 kernel/printk/printk_ringbuffer.c:534) [ 540.648805][ T11] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 540.649165][ T11] br_dev_delete (net/bridge/br_if.c:396) [ 540.649466][ T11] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 540.649786][ T11] cleanup_net (net/core/net_namespace.c:628 (discriminator 2)) [ 540.650068][ T11] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725) [ 540.650357][ T11] ? __pfx_cleanup_net (net/core/net_namespace.c:581) [ 540.650666][ T11] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725) [ 540.650944][ T11] ? process_one_work (kernel/workqueue.c:2609) [ 540.651253][ T11] process_one_work (kernel/workqueue.c:2638) [ 540.651559][ T11] ? __pfx_process_one_work (kernel/workqueue.c:2542) [ 540.651889][ T11] ? assign_work (kernel/workqueue.c:1101) [ 540.652190][ T11] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 540.652480][ T11] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 540.652816][ T11] kthread (kernel/kthread.c:388) [ 540.653070][ T11] ? __pfx_kthread (kernel/kthread.c:341) [ 540.653340][ T11] ret_from_fork (arch/x86/kernel/process.c:153) [ 540.653616][ T11] ? __pfx_kthread (kernel/kthread.c:341) [ 540.653915][ T11] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 555.061891][ T11] ------------[ cut here ]------------ | [ 555.062410][ T11] sysfs group 'bridge' not found for kobject 'br0' | [ 555.063047][ T11] WARNING: CPU: 3 PID: 11 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 555.063840][ T11] Modules linked in: geneve vxlan ip6_udp_tunnel udp_tunnel act_csum libcrc32c act_pedit cls_flower sch_prio [ 555.065521][ T11] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 555.066477][ T11] Workqueue: netns cleanup_net [ 555.066874][ T11] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 555.067375][ T11] Code: 89 d9 49 8b 14 24 48 b8 00 00 00 00 00 fc ff df 48 c1 e9 03 80 3c 01 00 75 45 48 8b 33 48 c7 c7 a0 a7 fc 94 e8 60 65 5e ff 90 <0f> 0b 90 90 48 83 c4 08 5b 5d 41 5c c3 cc cc cc cc e8 e9 c7 da ff All code ======== 0: 89 d9 mov %ebx,%ecx 2: 49 8b 14 24 mov (%r12),%rdx 6: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax d: fc ff df 10: 48 c1 e9 03 shr $0x3,%rcx 14: 80 3c 01 00 cmpb $0x0,(%rcx,%rax,1) 18: 75 45 jne 0x5f 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 a7 fc 94 mov $0xffffffff94fca7a0,%rdi 24: e8 60 65 5e ff call 0xffffffffff5e6589 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 48 83 c4 08 add $0x8,%rsp 32: 5b pop %rbx 33: 5d pop %rbp 34: 41 5c pop %r12 36: c3 ret 37: cc int3 38: cc int3 39: cc int3 3a: cc int3 3b: e8 e9 c7 da ff call 0xffffffffffdac829 Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 48 83 c4 08 add $0x8,%rsp 8: 5b pop %rbx 9: 5d pop %rbp a: 41 5c pop %r12 c: c3 ret d: cc int3 e: cc int3 f: cc int3 10: cc int3 11: e8 e9 c7 da ff call 0xffffffffffdac7ff [ 555.069056][ T11] RSP: 0018:ffffc900000bfba0 EFLAGS: 00010282 [ 555.069589][ T11] RAX: 0000000000000000 RBX: ffffffff953be220 RCX: ffffffff9231056f [ 555.070263][ T11] RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000001 [ 555.070955][ T11] RBP: 0000000000000000 R08: 0000000000000000 R09: fffff52000017f19 [ 555.071630][ T11] R10: ffffc900000bf8cf R11: 205d313154202020 R12: ffff888009eb2628 [ 555.072315][ T11] R13: ffff888009eb2df8 R14: ffffc900000bfc98 R15: ffff888009eb2bc0 [ 555.073002][ T11] FS: 0000000000000000(0000) GS:ffff88802f200000(0000) knlGS:0000000000000000 [ 555.073771][ T11] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 555.074350][ T11] CR2: 000055832ea930f0 CR3: 0000000035b34005 CR4: 00000000001706f0 [ 555.075056][ T11] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 555.075699][ T11] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 555.076311][ T11] Call Trace: [ 555.076569][ T11] [ 555.076808][ T11] ? __warn (kernel/panic.c:677) [ 555.077131][ T11] ? console_trylock (kernel/printk/printk.c:2659 kernel/printk/printk.c:2654) [ 555.077495][ T11] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 555.077927][ T11] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 555.078347][ T11] ? handle_bug (arch/x86/kernel/traps.c:238) [ 555.078723][ T11] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 555.079164][ T11] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 555.079602][ T11] ? desc_read (./arch/x86/include/asm/atomic64_64.h:20 ./include/linux/atomic/atomic-arch-fallback.h:2615 ./include/linux/atomic/atomic-long.h:79 ./include/linux/atomic/atomic-instrumented.h:3196 kernel/printk/printk_ringbuffer.c:534) [ 555.080013][ T11] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 555.080480][ T11] br_dev_delete (net/bridge/br_if.c:396) [ 555.080873][ T11] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 555.081292][ T11] cleanup_net (net/core/net_namespace.c:628 (discriminator 2)) [ 555.081648][ T11] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725) [ 555.082031][ T11] ? __pfx_cleanup_net (net/core/net_namespace.c:581) [ 555.082421][ T11] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725) [ 555.082798][ T11] ? process_one_work (kernel/workqueue.c:2609) [ 555.083240][ T11] process_one_work (kernel/workqueue.c:2638) [ 555.083683][ T11] ? __pfx_process_one_work (kernel/workqueue.c:2542) [ 555.084129][ T11] ? assign_work (kernel/workqueue.c:1101) [ 555.084497][ T11] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 555.084885][ T11] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 555.085287][ T11] kthread (kernel/kthread.c:388) [ 555.085607][ T11] ? __pfx_kthread (kernel/kthread.c:341) [ 555.085979][ T11] ret_from_fork (arch/x86/kernel/process.c:153) [ 555.086329][ T11] ? __pfx_kthread (kernel/kthread.c:341) [ 555.086705][ T11] ret_from_fork_asm (arch/x86/entry/entry_64.S:250) | [ 570.812047][ T11] ------------[ cut here ]------------ | [ 570.812411][ T11] sysfs group 'bridge' not found for kobject 'br0' | [ 570.812813][ T11] WARNING: CPU: 3 PID: 11 at fs/sysfs/group.c:282 sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) | [ 570.813365][ T11] Modules linked in: geneve vxlan ip6_udp_tunnel udp_tunnel act_csum libcrc32c act_pedit cls_flower sch_prio [ 570.814609][ T11] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 570.815305][ T11] Workqueue: netns cleanup_net [ 570.815564][ T11] RIP: 0010:sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 570.815878][ T11] Code: 89 d9 49 8b 14 24 48 b8 00 00 00 00 00 fc ff df 48 c1 e9 03 80 3c 01 00 75 45 48 8b 33 48 c7 c7 a0 a7 fc 94 e8 60 65 5e ff 90 <0f> 0b 90 90 48 83 c4 08 5b 5d 41 5c c3 cc cc cc cc e8 e9 c7 da ff All code ======== 0: 89 d9 mov %ebx,%ecx 2: 49 8b 14 24 mov (%r12),%rdx 6: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax d: fc ff df 10: 48 c1 e9 03 shr $0x3,%rcx 14: 80 3c 01 00 cmpb $0x0,(%rcx,%rax,1) 18: 75 45 jne 0x5f 1a: 48 8b 33 mov (%rbx),%rsi 1d: 48 c7 c7 a0 a7 fc 94 mov $0xffffffff94fca7a0,%rdi 24: e8 60 65 5e ff call 0xffffffffff5e6589 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: 90 nop 2e: 48 83 c4 08 add $0x8,%rsp 32: 5b pop %rbx 33: 5d pop %rbp 34: 41 5c pop %r12 36: c3 ret 37: cc int3 38: cc int3 39: cc int3 3a: cc int3 3b: e8 e9 c7 da ff call 0xffffffffffdac829 Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: 90 nop 4: 48 83 c4 08 add $0x8,%rsp 8: 5b pop %rbx 9: 5d pop %rbp a: 41 5c pop %r12 c: c3 ret d: cc int3 e: cc int3 f: cc int3 10: cc int3 11: e8 e9 c7 da ff call 0xffffffffffdac7ff [ 570.816894][ T11] RSP: 0018:ffffc900000bfba0 EFLAGS: 00010282 [ 570.817225][ T11] RAX: 0000000000000000 RBX: ffffffff953be220 RCX: ffffffff9231056f [ 570.817640][ T11] RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000001 [ 570.818059][ T11] RBP: 0000000000000000 R08: 0000000000000000 R09: fffff52000017f19 [ 570.818505][ T11] R10: ffffc900000bf8cf R11: 205d313154202020 R12: ffff88800a1a2628 [ 570.818929][ T11] R13: ffff88800a1a2df8 R14: ffffc900000bfc98 R15: ffff88800a1a2bc0 [ 570.819353][ T11] FS: 0000000000000000(0000) GS:ffff88802f200000(0000) knlGS:0000000000000000 [ 570.819943][ T11] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 570.820329][ T11] CR2: 00007ffe657a3d28 CR3: 000000000618a002 CR4: 00000000001706f0 [ 570.820822][ T11] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 570.821272][ T11] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 570.821723][ T11] Call Trace: [ 570.821933][ T11] [ 570.822118][ T11] ? __warn (kernel/panic.c:677) [ 570.822374][ T11] ? console_trylock (kernel/printk/printk.c:2659 kernel/printk/printk.c:2654) [ 570.822690][ T11] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 570.823014][ T11] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 570.823275][ T11] ? handle_bug (arch/x86/kernel/traps.c:238) [ 570.823555][ T11] ? exc_invalid_op (arch/x86/kernel/traps.c:259 (discriminator 1)) [ 570.823849][ T11] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 570.824152][ T11] ? desc_read (./arch/x86/include/asm/atomic64_64.h:20 ./include/linux/atomic/atomic-arch-fallback.h:2615 ./include/linux/atomic/atomic-long.h:79 ./include/linux/atomic/atomic-instrumented.h:3196 kernel/printk/printk_ringbuffer.c:534) [ 570.824429][ T11] ? sysfs_remove_group (fs/sysfs/group.c:282 (discriminator 1)) [ 570.824764][ T11] br_dev_delete (net/bridge/br_if.c:396) [ 570.825055][ T11] br_net_exit_batch_rtnl (net/bridge/br.c:369) [ 570.825398][ T11] cleanup_net (net/core/net_namespace.c:628 (discriminator 2)) [ 570.825651][ T11] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725) [ 570.825965][ T11] ? __pfx_cleanup_net (net/core/net_namespace.c:581) [ 570.826266][ T11] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725) [ 570.826551][ T11] ? process_one_work (kernel/workqueue.c:2609) [ 570.826854][ T11] process_one_work (kernel/workqueue.c:2638) [ 570.827194][ T11] ? __pfx_process_one_work (kernel/workqueue.c:2542) [ 570.827524][ T11] ? assign_work (kernel/workqueue.c:1101) [ 570.827794][ T11] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 570.828091][ T11] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 570.828395][ T11] kthread (kernel/kthread.c:388) [ 570.828672][ T11] ? __pfx_kthread (kernel/kthread.c:341) [ 570.828940][ T11] ret_from_fork (arch/x86/kernel/process.c:153) [ 570.829223][ T11] ? __pfx_kthread (kernel/kthread.c:341) Finger prints: geneve_exit_batch_rtnl:cleanup_net:process_one_work:worker_thread dump_stack_lvl:print_report:kasan_report:kobject_put 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