====================================== | WAIT TIMEOUT stdout | [ 28.950818][ T349] GACT probability NOT on | [ 33.526570][ T421] Mirror/redirect action on | [ 56.717056][ C0] irq 51: nobody cared (try booting with the "irqpoll" option) [ 56.717690][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 56.717696][ C0] Call Trace: [ 56.717699][ C0] [ 56.717702][ C0] dump_stack_lvl (lib/dump_stack.c:123) [ 56.717741][ C0] __report_bad_irq (kernel/irq/spurious.c:170) [ 56.717759][ C0] note_interrupt (kernel/irq/spurious.c:372) [ 56.717766][ C0] handle_irq_event (kernel/irq/handle.c:245 kernel/irq/handle.c:257) [ 56.717775][ C0] handle_edge_irq (kernel/irq/chip.c:857) [ 56.717784][ C0] __common_interrupt (./include/asm-generic/irq_regs.h:28 arch/x86/kernel/irq.c:328) [ 56.717800][ C0] common_interrupt (arch/x86/kernel/irq.c:318 (discriminator 14)) [ 56.717806][ C0] [ 56.717807][ C0] [ 56.717811][ C0] asm_common_interrupt (./arch/x86/include/asm/idtentry.h:688) [ 56.717819][ C0] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 56.717833][ C0] Code: 74 24 10 e8 e1 e8 fe fd 48 89 ef e8 09 38 ff fd 81 e3 00 02 00 00 75 25 9c 58 f6 c4 02 75 2d 48 85 db 74 01 fb bf 01 00 00 00 9a 70 f3 fd 65 8b 05 b3 6b 07 02 85 c0 74 0a 5b 5d c3 e8 97 fb All code ======== 0: 74 24 je 0x26 2: 10 e8 adc %ch,%al 4: e1 e8 loope 0xffffffffffffffee 6: fe (bad) 7: fd std 8: 48 89 ef mov %rbp,%rdi b: e8 09 38 ff fd call 0xfffffffffdff3819 10: 81 e3 00 02 00 00 and $0x200,%ebx 16: 75 25 jne 0x3d 18: 9c pushf 19: 58 pop %rax 1a: f6 c4 02 test $0x2,%ah 1d: 75 2d jne 0x4c 1f: 48 85 db test %rbx,%rbx 22: 74 01 je 0x25 24: fb sti 25: bf 01 00 00 00 mov $0x1,%edi 2a:* e8 9a 70 f3 fd call 0xfffffffffdf370c9 <-- trapping instruction 2f: 65 8b 05 b3 6b 07 02 mov %gs:0x2076bb3(%rip),%eax # 0x2076be9 36: 85 c0 test %eax,%eax 38: 74 0a je 0x44 3a: 5b pop %rbx 3b: 5d pop %rbp 3c: c3 ret 3d: e8 .byte 0xe8 3e: 97 xchg %eax,%edi 3f: fb sti Code starting with the faulting instruction =========================================== 0: e8 9a 70 f3 fd call 0xfffffffffdf3709f 5: 65 8b 05 b3 6b 07 02 mov %gs:0x2076bb3(%rip),%eax # 0x2076bbf c: 85 c0 test %eax,%eax e: 74 0a je 0x1a 10: 5b pop %rbx 11: 5d pop %rbp 12: c3 ret 13: e8 .byte 0xe8 14: 97 xchg %eax,%edi 15: fb sti [ 56.717838][ C0] RSP: 0018:ffffc90000717a88 EFLAGS: 00000206 [ 56.717845][ C0] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 0000000000000040 [ 56.717847][ C0] RDX: 0000000000000000 RSI: ffffffffb0386749 RDI: 0000000000000001 [ 56.717849][ C0] RBP: ffffffffb2c6e560 R08: 0000000000000001 R09: 0000000000000001 [ 56.717851][ C0] R10: ffffffffb1223d57 R11: ffff888005f98970 R12: 00000000ffffffff [ 56.717852][ C0] R13: 0000000000000001 R14: ffffffffb2c6e668 R15: 00000000ffffffff [ 56.717872][ C0] uart_write (drivers/tty/serial/serial_core.c:74 drivers/tty/serial/serial_core.c:92 drivers/tty/serial/serial_core.c:88 drivers/tty/serial/serial_core.c:634) [ 56.717889][ C0] process_output_block (drivers/tty/n_tty.c:561) [ 56.717902][ C0] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 56.717910][ C0] n_tty_write (drivers/tty/n_tty.c:2378) [ 56.717913][ C0] ? _copy_from_iter (./arch/x86/include/asm/uaccess_64.h:126 ./arch/x86/include/asm/uaccess_64.h:141 lib/iov_iter.c:55 ./include/linux/iov_iter.h:30 ./include/linux/iov_iter.h:302 ./include/linux/iov_iter.h:330 lib/iov_iter.c:249 lib/iov_iter.c:260) [ 56.717932][ C0] ? n_tty_receive_signal_char (drivers/tty/n_tty.c:2348) [ 56.717938][ C0] ? __init_waitqueue_head (kernel/sched/wait.c:458) [ 56.717947][ C0] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5831) [ 56.717951][ C0] ? iterate_tty_write (drivers/tty/tty_io.c:939 drivers/tty/tty_io.c:958) [ 56.717961][ C0] iterate_tty_write (drivers/tty/tty_io.c:1007) [ 56.717968][ C0] ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244) [ 56.717975][ C0] file_tty_write.constprop.0 (drivers/tty/tty_io.c:1081) [ 56.717982][ C0] vfs_write (fs/read_write.c:594 fs/read_write.c:686) [ 56.717997][ C0] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 56.718002][ C0] ? kernel_write (fs/read_write.c:667) [ 56.718009][ C0] ? clockevents_program_event (kernel/time/clockevents.c:326) [ 56.718028][ C0] ? clockevents_program_event (kernel/time/clockevents.c:336 (discriminator 3)) [ 56.718036][ C0] ksys_write (fs/read_write.c:738) [ 56.718041][ C0] ? __ia32_sys_read (fs/read_write.c:728) [ 56.718052][ C0] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 56.718060][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 56.718063][ C0] RIP: 0033:0x7f4113f3e257 [ 56.718069][ C0] Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24 All code ======== 0: 0f 00 (bad) 2: f7 d8 neg %eax 4: 64 89 02 mov %eax,%fs:(%rdx) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b7 jmp 0xffffffffffffffc7 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 01 00 00 00 mov $0x1,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 48 89 54 24 18 mov %rdx,0x18(%rsp) 3c: 48 rex.W 3d: 89 .byte 0x89 3e: 74 24 je 0x64 Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 48 89 54 24 18 mov %rdx,0x18(%rsp) 12: 48 rex.W 13: 89 .byte 0x89 14: 74 24 je 0x3a [ 56.718071][ C0] RSP: 002b:00007ffc0fd4ed48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.718074][ C0] RAX: ffffffffffffffda RBX: 000055572e3cb2e0 RCX: 00007f4113f3e257 [ 56.718076][ C0] RDX: 0000000000000001 RSI: 000055572e3cb2e0 RDI: 0000000000000001 [ 56.718078][ C0] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000 [ 56.718079][ C0] R10: 0000000000000001 R11: 0000000000000246 R12: 000055572e3b6600 [ 56.718081][ C0] R13: 000055572e3972a0 R14: 0000000000000001 R15: 000055572e3b6600 | [ 121.553295][ T694] ================================================================== | [ 121.553823][ T694] BUG: KASAN: null-ptr-deref in try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072) | [ 121.554343][ T694] Write of size 8 at addr 0000000000000000 by task ip/694 | [ 121.554736][ T694] [ 121.554912][ T694] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 121.554916][ T694] Call Trace: [ 121.554919][ T694] [ 121.554923][ T694] dump_stack_lvl (lib/dump_stack.c:123) [ 121.554934][ T694] ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072) [ 121.554939][ T694] kasan_report (mm/kasan/report.c:597) [ 121.554953][ T694] ? try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072) [ 121.554963][ T694] kasan_check_range (mm/kasan/generic.c:194 mm/kasan/generic.c:200) [ 121.554969][ T694] try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072) [ 121.554978][ T694] __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364) [ 121.554984][ T694] ? enable_delayed_work (kernel/workqueue.c:4359) [ 121.554991][ T694] ? queue_delayed_work_on (kernel/workqueue.c:2590) [ 121.554997][ T694] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472) [ 121.555007][ T694] __cancel_work_sync (kernel/workqueue.c:4383) [ 121.555014][ T694] __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2)) [ 121.555034][ T694] ? netdev_notify_peers (net/core/dev.c:1891) [ 121.555042][ T694] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:455) [ 121.555053][ T694] __dev_change_flags (./include/linux/list.h:119 ./include/linux/list.h:223 ./include/linux/list.h:237 net/core/dev.c:1945 net/core/dev.c:9924) [ 121.555058][ T694] ? __free_zapped_classes (kernel/locking/lockdep.c:5343) [ 121.555068][ T694] ? netif_set_allmulti (net/core/dev.c:9890) [ 121.555072][ T694] ? __lock_release (kernel/locking/lockdep.c:5536) [ 121.555084][ T694] netif_change_flags (net/core/dev.c:9989) [ 121.555092][ T694] do_setlink.constprop.0 (net/core/rtnetlink.c:3158) [ 121.555104][ T694] ? rtnl_newlink_create (net/core/rtnetlink.c:3036) [ 121.555115][ T694] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 121.555128][ T694] ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876) [ 121.555138][ T694] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 121.555147][ T694] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) [ 121.555153][ T694] ? __mutex_handoff (kernel/locking/mutex.c:88) [ 121.555158][ T694] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 121.555169][ T694] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 121.555174][ T694] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 121.555180][ T694] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760) [ 121.555188][ T694] ? __create_object (mm/kmemleak.c:786) [ 121.555194][ T694] ? __lock_release (kernel/locking/lockdep.c:5536) [ 121.555199][ T694] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071) [ 121.555205][ T694] ? ww_mutex_lock (kernel/locking/mutex.c:759) [ 121.555212][ T694] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 121.555226][ T694] ? __rtnl_newlink (net/core/rtnetlink.c:3922) [ 121.555237][ T694] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073) [ 121.555246][ T694] ? __rtnl_newlink (net/core/rtnetlink.c:3963) [ 121.555252][ T694] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 121.555265][ T694] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 121.555271][ T694] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956) [ 121.555276][ T694] ? __lock_release (kernel/locking/lockdep.c:5536) [ 121.555284][ T694] ? __rtnl_newlink (net/core/rtnetlink.c:3963) [ 121.555290][ T694] rtnetlink_rcv_msg (net/core/rtnetlink.c:6958) [ 121.555297][ T694] ? rtnl_port_fill (net/core/rtnetlink.c:6861) [ 121.555302][ T694] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 121.555316][ T694] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 121.555328][ T694] ? rtnl_port_fill (net/core/rtnetlink.c:6861) [ 121.555334][ T694] ? netlink_ack (net/netlink/af_netlink.c:2527) [ 121.555348][ T694] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340) [ 121.555353][ T694] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 121.555361][ T694] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344) [ 121.555369][ T694] ? netlink_attachskb (net/netlink/af_netlink.c:1329) [ 121.555376][ T694] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 121.555386][ T694] netlink_sendmsg (net/netlink/af_netlink.c:1894) [ 121.555395][ T694] ? netlink_unicast (net/netlink/af_netlink.c:1813) [ 121.555402][ T694] ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361) [ 121.555413][ T694] ? netlink_unicast (net/netlink/af_netlink.c:1813) [ 121.555419][ T694] ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630) [ 121.555435][ T694] ? get_timestamp.constprop.0 (net/socket.c:2576) [ 121.555440][ T694] ? __copy_msghdr (net/socket.c:2556) [ 121.555455][ T694] ___sys_sendmsg (net/socket.c:2686) [ 121.555460][ T694] ? kasan_record_aux_stack (mm/kasan/generic.c:559) [ 121.555464][ T694] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3125) [ 121.555477][ T694] ? copy_msghdr_from_user (net/socket.c:2673) [ 121.555486][ T694] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 121.555494][ T694] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 121.555505][ T694] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 121.555511][ T694] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65) [ 121.555523][ T694] ? __lock_release (kernel/locking/lockdep.c:5536) [ 121.555535][ T694] __sys_sendmsg (net/socket.c:2716) [ 121.555540][ T694] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148) [ 121.555546][ T694] ? __sys_sendmsg_sock (net/socket.c:2701) [ 121.555562][ T694] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 121.555571][ T694] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 121.555581][ T694] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 121.555587][ T694] RIP: 0033:0x7f08f113d1d7 [ 121.555594][ T694] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 121.555599][ T694] RSP: 002b:00007ffd3c498d18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 121.555605][ T694] RAX: ffffffffffffffda RBX: 00007ffd3c499440 RCX: 00007f08f113d1d7 [ 121.555609][ T694] RDX: 0000000000000000 RSI: 00007ffd3c498d80 RDI: 0000000000000005 [ 121.555613][ T694] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 121.555616][ T694] R10: 00007f08f1039f60 R11: 0000000000000246 R12: 0000000000000003 [ 121.555619][ T694] R13: 00000000691cc09f R14: 0000000000499600 R15: 0000000000000000 | [ 121.586179][ T694] #PF: error_code(0x0002) - not-present page | [ 121.586544][ T694] PGD ea6c067 P4D ea6c067 PUD 9a4d067 PMD 0 | [ 121.586933][ T694] Oops: Oops: 0002 [#1] SMP KASAN | [ 121.587874][ T694] Tainted: [B]=BAD_PAGE [ 121.588108][ T694] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 121.588480][ T694] RIP: 0010:try_to_grab_pending (./arch/x86/include/asm/bitops.h:136 ./include/asm-generic/bitops/instrumented-atomic.h:72 kernel/workqueue.c:2072) [ 121.588882][ T694] Code: 00 41 89 c0 b8 01 00 00 00 45 85 c0 74 0f 48 83 c4 10 5b 5d 41 5c 41 5d 41 5e 41 5f c3 be 08 00 00 00 48 89 df e8 7f 7f 81 00 48 0f ba 2b 00 72 11 48 83 c4 10 31 c0 5b 5d 41 5c 41 5d 41 5e All code ======== 0: 00 41 89 add %al,-0x77(%rcx) 3: c0 b8 01 00 00 00 45 sarb $0x45,0x1(%rax) a: 85 c0 test %eax,%eax c: 74 0f je 0x1d e: 48 83 c4 10 add $0x10,%rsp 12: 5b pop %rbx 13: 5d pop %rbp 14: 41 5c pop %r12 16: 41 5d pop %r13 18: 41 5e pop %r14 1a: 41 5f pop %r15 1c: c3 ret 1d: be 08 00 00 00 mov $0x8,%esi 22: 48 89 df mov %rbx,%rdi 25: e8 7f 7f 81 00 call 0x817fa9 2a:* f0 48 0f ba 2b 00 lock btsq $0x0,(%rbx) <-- trapping instruction 30: 72 11 jb 0x43 32: 48 83 c4 10 add $0x10,%rsp 36: 31 c0 xor %eax,%eax 38: 5b pop %rbx 39: 5d pop %rbp 3a: 41 5c pop %r12 3c: 41 5d pop %r13 3e: 41 5e pop %r14 Code starting with the faulting instruction =========================================== 0: f0 48 0f ba 2b 00 lock btsq $0x0,(%rbx) 6: 72 11 jb 0x19 8: 48 83 c4 10 add $0x10,%rsp c: 31 c0 xor %eax,%eax e: 5b pop %rbx f: 5d pop %rbp 10: 41 5c pop %r12 12: 41 5d pop %r13 14: 41 5e pop %r14 [ 121.589962][ T694] RSP: 0018:ffffc90000876f40 EFLAGS: 00010046 [ 121.590346][ T694] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffffada4090a [ 121.590804][ T694] RDX: fffffbfff638f2cd RSI: 0000000000000008 RDI: ffffffffb1c79660 [ 121.591256][ T694] RBP: ffffc90000876fa8 R08: 0000000000000001 R09: fffffbfff638f2cc [ 121.591715][ T694] R10: ffffffffb1c79667 R11: ffffc90000876a00 R12: 0000000000000000 [ 121.592160][ T694] R13: 0000000000000282 R14: ffff88800bbe9000 R15: dffffc0000000000 [ 121.592609][ T694] FS: 00007f08f0f6f800(0000) GS:ffff888084672000(0000) knlGS:0000000000000000 [ 121.593139][ T694] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 121.593514][ T694] CR2: 0000000000000000 CR3: 0000000002812003 CR4: 0000000000772ef0 [ 121.593957][ T694] PKRU: 55555554 [ 121.594196][ T694] Call Trace: [ 121.594428][ T694] [ 121.594586][ T694] __cancel_work (kernel/workqueue.c:2161 kernel/workqueue.c:4364) [ 121.595107][ T694] ? enable_delayed_work (kernel/workqueue.c:4359) [ 121.595407][ T694] ? queue_delayed_work_on (kernel/workqueue.c:2590) [ 121.595705][ T694] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472) [ 121.596013][ T694] __cancel_work_sync (kernel/workqueue.c:4383) [ 121.596529][ T694] __dev_close_many (net/core/dev.c:1879 (discriminator 2) net/core/dev.c:1932 (discriminator 2)) [ 121.596830][ T694] ? netdev_notify_peers (net/core/dev.c:1891) [ 121.597140][ T694] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:119 kernel/softirq.c:455) [ 121.597454][ T694] __dev_change_flags (./include/linux/list.h:119 ./include/linux/list.h:223 ./include/linux/list.h:237 net/core/dev.c:1945 net/core/dev.c:9924) [ 121.597960][ T694] ? __free_zapped_classes (kernel/locking/lockdep.c:5343) [ 121.598261][ T694] ? netif_set_allmulti (net/core/dev.c:9890) [ 121.598557][ T694] ? __lock_release (kernel/locking/lockdep.c:5536) [ 121.598861][ T694] netif_change_flags (net/core/dev.c:9989) [ 121.599376][ T694] do_setlink.constprop.0 (net/core/rtnetlink.c:3158) [ 121.599679][ T694] ? rtnl_newlink_create (net/core/rtnetlink.c:3036) [ 121.599987][ T694] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 121.600284][ T694] ? validate_chain (kernel/locking/lockdep.c:3801 kernel/locking/lockdep.c:3821 kernel/locking/lockdep.c:3876) [ 121.600787][ T694] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 121.601093][ T694] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) [ 121.601386][ T694] ? __mutex_handoff (kernel/locking/mutex.c:88) [ 121.601678][ T694] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 121.602188][ T694] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 121.602484][ T694] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) [ 121.602791][ T694] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:739 kernel/locking/mutex.c:760) [ 121.603089][ T694] ? __create_object (mm/kmemleak.c:786) [ 121.603592][ T694] ? __lock_release (kernel/locking/lockdep.c:5536) [ 121.603887][ T694] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4071) [ 121.604187][ T694] ? ww_mutex_lock (kernel/locking/mutex.c:759) [ 121.604499][ T694] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) [ 121.605004][ T694] ? __rtnl_newlink (net/core/rtnetlink.c:3922) [ 121.605313][ T694] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4073) [ 121.605618][ T694] ? __rtnl_newlink (net/core/rtnetlink.c:3963) [ 121.605912][ T694] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 121.606422][ T694] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 121.606716][ T694] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/core/rtnetlink.c:6956) [ 121.607023][ T694] ? __lock_release (kernel/locking/lockdep.c:5536) [ 121.607320][ T694] ? __rtnl_newlink (net/core/rtnetlink.c:3963) [ 121.607837][ T694] rtnetlink_rcv_msg (net/core/rtnetlink.c:6958) [ 121.608148][ T694] ? rtnl_port_fill (net/core/rtnetlink.c:6861) [ 121.608444][ T694] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 121.608750][ T694] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [ 121.609257][ T694] ? rtnl_port_fill (net/core/rtnetlink.c:6861) [ 121.609556][ T694] ? netlink_ack (net/netlink/af_netlink.c:2527) [ 121.609859][ T694] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 net/netlink/af_netlink.c:340) [ 121.610154][ T694] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:897 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) [ 121.610667][ T694] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1344) [ 121.610978][ T694] ? netlink_attachskb (net/netlink/af_netlink.c:1329) [ 121.611278][ T694] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 121.611573][ T694] netlink_sendmsg (net/netlink/af_netlink.c:1894) [ 121.612076][ T694] ? netlink_unicast (net/netlink/af_netlink.c:1813) [ 121.612369][ T694] ? __import_iovec (lib/iov_iter.c:1346 lib/iov_iter.c:1361) [ 121.612666][ T694] ? netlink_unicast (net/netlink/af_netlink.c:1813) [ 121.612958][ T694] ____sys_sendmsg (net/socket.c:727 net/socket.c:742 net/socket.c:2630) [ 121.613466][ T694] ? get_timestamp.constprop.0 (net/socket.c:2576) [ 121.613838][ T694] ? __copy_msghdr (net/socket.c:2556) [ 121.614141][ T694] ___sys_sendmsg (net/socket.c:2686) [ 121.614431][ T694] ? kasan_record_aux_stack (mm/kasan/generic.c:559) [ 121.614728][ T694] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3125) [ 121.615106][ T694] ? copy_msghdr_from_user (net/socket.c:2673) [ 121.615402][ T694] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 121.615700][ T694] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 121.616211][ T694] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 121.616510][ T694] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:979 ./include/linux/mmzone.h:2197 arch/x86/mm/physaddr.c:65) [ 121.616807][ T694] ? __lock_release (kernel/locking/lockdep.c:5536) [ 121.617114][ T694] __sys_sendmsg (net/socket.c:2716) [ 121.617619][ T694] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3148) [ 121.617988][ T694] ? __sys_sendmsg_sock (net/socket.c:2701) [ 121.618293][ T694] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) [ 121.618589][ T694] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 121.618896][ T694] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 121.619266][ T694] RIP: 0033:0x7f08f113d1d7 [ 121.619584][ T694] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 All code ======== 0: 0e (bad) 1: 00 f7 add %dh,%bh 3: d8 64 89 02 fsubs 0x2(%rcx,%rcx,4) 7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax e: eb b9 jmp 0xffffffffffffffc9 10: 0f 1f 00 nopl (%rax) 13: f3 0f 1e fa endbr64 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 10 jne 0x33 23: b8 2e 00 00 00 mov $0x2e,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 51 ja 0x83 32: c3 ret 33: 48 83 ec 28 sub $0x28,%rsp 37: 89 54 24 1c mov %edx,0x1c(%rsp) 3b: 48 89 74 24 10 mov %rsi,0x10(%rsp) Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 51 ja 0x59 8: c3 ret 9: 48 83 ec 28 sub $0x28,%rsp d: 89 54 24 1c mov %edx,0x1c(%rsp) 11: 48 89 74 24 10 mov %rsi,0x10(%rsp) [ 121.620882][ T694] RSP: 002b:00007ffd3c498d18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 121.621555][ T694] RAX: ffffffffffffffda RBX: 00007ffd3c499440 RCX: 00007f08f113d1d7 [ 121.622019][ T694] RDX: 0000000000000000 RSI: 00007ffd3c498d80 RDI: 0000000000000005 [ 121.622473][ T694] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 121.623133][ T694] R10: 00007f08f1039f60 R11: 0000000000000246 R12: 0000000000000003 Finger prints: try_to_grab_pending:__cancel_work:__cancel_work_sync:__dev_close_many:__dev_change_flags __report_bad_irq:note_interrupt:handle_irq_event:handle_edge_irq:__common_interrupt kasan_report:kasan_check_range:try_to_grab_pending:__cancel_work:__cancel_work_sync