====================================== | [ 10.782649][ T224] softirqs last disabled at (25305): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.782651][ T224] Preemption disabled at: | [ 10.782652][ T224] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.782661][ T224] Tainted: [W]=WARN [ 10.782662][ T224] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.782664][ T224] Call Trace: [ 10.782665][ T224] [ 10.782667][ T224] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.782673][ T224] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.782675][ T224] __might_resched.cold (kernel/sched/core.c:9234) [ 10.782680][ T224] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.782684][ T224] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.782689][ T224] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 10.782691][ T224] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.782697][ T224] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 10.782700][ T224] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.782704][ T224] put_chars (drivers/char/virtio_console.c:1176) [ 10.782706][ T224] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.782708][ T224] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.782713][ T224] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.782715][ T224] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.782720][ T224] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.782723][ T224] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.782728][ T224] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.782731][ T224] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.782736][ T224] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.782740][ T224] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.782742][ T224] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 10.782745][ T224] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.782747][ T224] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.782751][ T224] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.782756][ T224] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.782758][ T224] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.782763][ T224] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.782766][ T224] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.782768][ T224] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.782770][ T224] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.782774][ T224] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.782775][ T224] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.782779][ T224] vprintk_emit (kernel/printk/printk.c:2479) [ 10.782783][ T224] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.782789][ T224] ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q [ 10.782794][ T224] _printk (kernel/printk/printk.c:2504) [ 10.782797][ T224] ? snapshot_read.cold (user.c:?) [ 10.782804][ T224] ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356) [ 10.782807][ T224] vlan_proto_init (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) ./include/net/netns/generic.h:45 (discriminator 2)) 8021q [ 10.782810][ T224] do_one_initcall (init/main.c:1357) [ 10.782813][ T224] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 10.782817][ T224] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 10.782821][ T224] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 10.782825][ T224] do_init_module (kernel/module/main.c:3117) [ 10.782829][ T224] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 10.782833][ T224] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 10.782836][ T224] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 10.782840][ T224] load_module (kernel/module/main.c:3593) [ 10.782847][ T224] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 10.782851][ T224] ? __ia32_sys_fsconfig (??:?) [ 10.782854][ T224] ? ovl_real_file (fs/overlayfs/file.c:195) [ 10.782858][ T224] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.782860][ T224] ? backing_file_read_iter (fs/backing-file.c:211) [ 10.782863][ T224] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.782867][ T224] init_module_from_file (kernel/module/main.c:3790) [ 10.782870][ T224] ? __do_sys_init_module (kernel/module/main.c:3664) [ 10.782878][ T224] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.782882][ T224] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 10.782885][ T224] idempotent_init_module (kernel/module/main.c:3802) [ 10.782888][ T224] ? init_module_from_file (kernel/module/main.c:3791) [ 10.782895][ T224] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.782897][ T224] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 10.782903][ T224] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 10.782905][ T224] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 10.782909][ T224] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.782911][ T224] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.782914][ T224] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.782916][ T224] RIP: 0033:0x7fe9138fc37d [ 10.782920][ T224] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48 All code ======== 0: ff c3 inc %ebx 2: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1) 9: 00 00 00 c: 90 nop d: f3 0f 1e fa endbr64 11: 48 89 f8 mov %rdi,%rax 14: 48 89 f7 mov %rsi,%rdi 17: 48 89 d6 mov %rdx,%rsi 1a: 48 89 ca mov %rcx,%rdx 1d: 4d 89 c2 mov %r8,%r10 20: 4d 89 c8 mov %r9,%r8 23: 4c 8b 4c 24 08 mov 0x8(%rsp),%r9 28: 0f 05 syscall 2a:* 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax <-- trapping instruction 30: 73 01 jae 0x33 32: c3 ret 33: 48 8b 0d 4b aa 0f 00 mov 0xfaa4b(%rip),%rcx # 0xfaa85 3a: f7 d8 neg %eax 3c: 64 89 01 mov %eax,%fs:(%rcx) 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax 6: 73 01 jae 0x9 8: c3 ret 9: 48 8b 0d 4b aa 0f 00 mov 0xfaa4b(%rip),%rcx # 0xfaa5b 10: f7 d8 neg %eax 12: 64 89 01 mov %eax,%fs:(%rcx) 15: 48 rex.W [ 10.782921][ T224] RSP: 002b:00007ffde853b038 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 10.782924][ T224] RAX: ffffffffffffffda RBX: 0000561a270aa810 RCX: 00007fe9138fc37d [ 10.782925][ T224] RDX: 0000000000000000 RSI: 0000561a1a4d4ffd RDI: 0000000000000000 [ 10.782926][ T224] RBP: 00007ffde853b0d0 R08: 0000000000000000 R09: 0000000000000000 [ 10.782927][ T224] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561a1a4d4ffd [ 10.782928][ T224] R13: 0000561a270aa960 R14: 0000000000040000 R15: 0000000000000000 | [ 26.359440][ T396] softirqs last disabled at (13170): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) bridge | [ 26.359448][ T396] Preemption disabled at: | [ 26.359448][ T396] 0x0 | [ 26.359459][ T396] Tainted: [W]=WARN [ 26.359460][ T396] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 26.359461][ T396] Call Trace: [ 26.359463][ T396] [ 26.359465][ T396] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 26.359471][ T396] __might_resched.cold (kernel/sched/core.c:9234) [ 26.359476][ T396] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 26.359480][ T396] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 26.359486][ T396] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 26.359488][ T396] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 26.359494][ T396] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 26.359497][ T396] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 26.359500][ T396] put_chars (drivers/char/virtio_console.c:1176) [ 26.359503][ T396] ? __send_to_port (drivers/char/virtio_console.c:654) [ 26.359504][ T396] ? check_prev_add (kernel/locking/lockdep.c:3185) [ 26.359508][ T396] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 26.359512][ T396] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 26.359515][ T396] ? mark_usage (kernel/locking/lockdep.c:4690) [ 26.359517][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.359518][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.359523][ T396] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 26.359524][ T396] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 26.359528][ T396] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.359533][ T396] console_emit_next_record (kernel/printk/printk.c:3183) [ 26.359537][ T396] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 26.359539][ T396] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 26.359542][ T396] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.359546][ T396] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.359550][ T396] console_flush_one_record (kernel/printk/printk.c:3268) [ 26.359554][ T396] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 26.359556][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.359562][ T396] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 26.359565][ T396] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 26.359566][ T396] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.359569][ T396] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 26.359572][ T396] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 26.359574][ T396] ? vprintk_emit (kernel/printk/printk.c:2478) [ 26.359578][ T396] vprintk_emit (kernel/printk/printk.c:2479) [ 26.359582][ T396] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 26.359584][ T396] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 26.359586][ T396] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 26.359589][ T396] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 26.359594][ T396] _printk (kernel/printk/printk.c:2504) [ 26.359597][ T396] ? snapshot_read.cold (user.c:?) [ 26.359605][ T396] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 26.359617][ T396] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge [ 26.359626][ T396] br_device_event (net/bridge/br.c:111) bridge [ 26.359634][ T396] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 26.359638][ T396] ? _sub_I_65535_1+0x4d0/0x4d0 stp [ 26.359644][ T396] notifier_call_chain (kernel/notifier.c:85) [ 26.359650][ T396] __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855) [ 26.359655][ T396] ? netif_change_name (net/core/dev.c:1517) [ 26.359659][ T396] ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1)) [ 26.359662][ T396] ? __kernel_text_address (kernel/extable.c:79) [ 26.359664][ T396] ? write_profile (profile.c:?) [ 26.359666][ T396] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 26.359671][ T396] netif_change_flags (net/core/dev.c:9882) [ 26.359675][ T396] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 26.359679][ T396] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 26.359681][ T396] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 26.359682][ T396] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 26.359684][ T396] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 26.359688][ T396] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 26.359690][ T396] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 26.359692][ T396] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 26.359695][ T396] ? kasan_save_stack (mm/kasan/common.c:58) [ 26.359698][ T396] ? kasan_save_stack (mm/kasan/common.c:57) [ 26.359699][ T396] ? kasan_save_track (mm/kasan/common.c:78) [ 26.359702][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.359704][ T396] ? netlink_seq_next (net/netlink/af_netlink.c:2685) [ 26.359707][ T396] ? ___sys_sendmsg (net/socket.c:2757) [ 26.359712][ T396] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 26.359714][ T396] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 26.359717][ T396] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.359719][ T396] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.359721][ T396] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.359723][ T396] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.359725][ T396] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 26.359729][ T396] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 26.359731][ T396] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 26.359733][ T396] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 26.359737][ T396] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 26.359742][ T396] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 26.359747][ T396] rtnl_newlink (net/core/rtnetlink.c:4215) [ 26.359753][ T396] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 26.359755][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.359760][ T396] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 26.359762][ T396] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 26.359764][ T396] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 26.359766][ T396] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 26.359769][ T396] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 26.359772][ T396] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 26.359775][ T396] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 26.359776][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.359781][ T396] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 26.359783][ T396] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 26.359786][ T396] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 26.359788][ T396] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 26.359791][ T396] ? netlink_ack (./include/linux/skbuff.h:2718) [ 26.359798][ T396] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 26.359799][ T396] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 26.359804][ T396] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 26.359808][ T396] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 26.359810][ T396] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.359815][ T396] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 26.359818][ T396] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 26.359822][ T396] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 26.359828][ T396] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 26.359831][ T396] ? copy_msghdr_from_user (net/socket.c:2650) [ 26.359833][ T396] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 26.359835][ T396] ? move_addr_to_kernel (net/socket.c:258) [ 26.359842][ T396] ___sys_sendmsg (net/socket.c:2767) [ 26.359845][ T396] ? copy_msghdr_from_user (net/socket.c:2619) [ 26.359861][ T396] __sys_sendmsg (net/socket.c:2799) [ 26.359865][ T396] ? __sys_sendmsg_sock (net/socket.c:2780) [ 26.359871][ T396] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.359875][ T396] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 26.359877][ T396] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 26.359880][ T396] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 26.359883][ T396] RIP: 0033:0x7fbd5242c54e [ 26.359885][ T396] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 26.359887][ T396] RSP: 002b:00007ffde14aee10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 26.359890][ T396] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fbd5242c54e [ 26.359891][ T396] RDX: 0000000000000000 RSI: 00007ffde14aeec0 RDI: 0000000000000005 [ 26.359892][ T396] RBP: 00007ffde14aee20 R08: 0000000000000000 R09: 0000000000000000 [ 26.359893][ T396] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90dd26 Finger prints: br_device_event:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars