====================================== | [ 11.600054][ T205] softirqs last disabled at (29669): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 11.600056][ T205] Preemption disabled at: | [ 11.600057][ T205] 0x0 | [ 11.600067][ T205] Tainted: [W]=WARN [ 11.600068][ T205] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.600070][ T205] Call Trace: [ 11.600071][ T205] [ 11.600073][ T205] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.600080][ T205] __might_resched.cold (kernel/sched/core.c:9234) [ 11.600084][ T205] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.600088][ T205] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.600093][ T205] __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)) [ 11.600094][ T205] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.600101][ T205] ? 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) [ 11.600104][ T205] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.600108][ T205] put_chars (drivers/char/virtio_console.c:1176) [ 11.600111][ T205] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.600112][ T205] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.600116][ T205] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.600122][ T205] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.600130][ T205] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.600132][ T205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.600135][ T205] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.600139][ T205] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.600146][ T205] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.600148][ T205] ? 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)) [ 11.600152][ T205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.600154][ T205] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.600158][ T205] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.600162][ T205] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.600164][ T205] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.600170][ T205] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.600173][ T205] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.600175][ T205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.600176][ T205] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 11.600180][ T205] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.600182][ T205] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.600185][ T205] vprintk_emit (kernel/printk/printk.c:2479) [ 11.600188][ T205] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.600191][ T205] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.600195][ T205] _printk (kernel/printk/printk.c:2504) [ 11.600199][ T205] ? snapshot_read.cold (user.c:?) [ 11.600202][ T205] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 11.600205][ T205] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.600209][ T205] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 11.600212][ T205] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 11.600216][ T205] ? exit_notify (kernel/exit.c:780) [ 11.600217][ T205] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.600220][ T205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.600224][ T205] do_group_exit (kernel/exit.c:1151) [ 11.600227][ T205] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 11.600229][ T205] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 11.600231][ T205] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.600235][ T205] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.600238][ T205] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.600241][ T205] RIP: 0033:0x7ff21ab491b8 [ 11.600243][ T205] Code: Unable to access opcode bytes at 0x7ff21ab4918e. Code starting with the faulting instruction =========================================== [ 11.600244][ T205] RSP: 002b:00007ffc3855fde8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.600247][ T205] RAX: ffffffffffffffda RBX: 00007ff21ac79f88 RCX: 00007ff21ab491b8 [ 11.600248][ T205] RDX: 00007ff21a893fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 11.600249][ T205] RBP: 00007ffc3855fe40 R08: 0000000000000000 R09: 0000000000000050 [ 11.600250][ T205] R10: 00007ffc3855fc00 R11: 0000000000000246 R12: 0000000000000001 [ 11.600251][ T205] R13: 0000000000000000 R14: 00007ff21ac78680 R15: 00007ff21ac79fa0 | [ 18.206293][ T275] softirqs last disabled at (30893): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 18.206295][ T275] Preemption disabled at: | [ 18.206296][ T275] 0x0 | [ 18.206307][ T275] Tainted: [W]=WARN [ 18.206308][ T275] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 18.206309][ T275] Call Trace: [ 18.206311][ T275] [ 18.206312][ T275] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 18.206319][ T275] __might_resched.cold (kernel/sched/core.c:9234) [ 18.206324][ T275] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 18.206328][ T275] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 18.206332][ T275] __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)) [ 18.206334][ T275] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.206341][ T275] ? 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) [ 18.206344][ T275] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.206347][ T275] put_chars (drivers/char/virtio_console.c:1176) [ 18.206350][ T275] ? __send_to_port (drivers/char/virtio_console.c:654) [ 18.206351][ T275] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 18.206355][ T275] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 18.206361][ T275] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 18.206368][ T275] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 18.206371][ T275] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.206373][ T275] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.206377][ T275] console_emit_next_record (kernel/printk/printk.c:3183) [ 18.206381][ T275] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 18.206383][ T275] ? 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)) [ 18.206386][ T275] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.206388][ T275] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.206392][ T275] console_flush_one_record (kernel/printk/printk.c:3268) [ 18.206396][ T275] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 18.206398][ T275] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.206404][ T275] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 18.206407][ T275] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 18.206409][ T275] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.206410][ T275] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 18.206414][ T275] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 18.206416][ T275] ? vprintk_emit (kernel/printk/printk.c:2478) [ 18.206419][ T275] vprintk_emit (kernel/printk/printk.c:2479) [ 18.206422][ T275] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 18.206425][ T275] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.206429][ T275] _printk (kernel/printk/printk.c:2504) [ 18.206433][ T275] ? snapshot_read.cold (user.c:?) [ 18.206435][ T275] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 18.206438][ T275] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 18.206442][ T275] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 18.206445][ T275] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 18.206448][ T275] ? exit_notify (kernel/exit.c:780) [ 18.206450][ T275] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 18.206452][ T275] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.206456][ T275] do_group_exit (kernel/exit.c:1151) [ 18.206459][ T275] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 18.206461][ T275] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 18.206463][ T275] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 18.206467][ T275] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 18.206470][ T275] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 18.206472][ T275] RIP: 0033:0x7fac58dae1b8 [ 18.206474][ T275] Code: Unable to access opcode bytes at 0x7fac58dae18e. Code starting with the faulting instruction =========================================== [ 18.206476][ T275] RSP: 002b:00007fffab16fff8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 18.206478][ T275] RAX: ffffffffffffffda RBX: 00007fac58edef88 RCX: 00007fac58dae1b8 [ 18.206479][ T275] RDX: 00007fac58af8fc8 RSI: fffffffffffffeb8 RDI: 0000000000000002 [ 18.206480][ T275] RBP: 00007fffab170050 R08: 0000000000000000 R09: 0000000000008010 [ 18.206481][ T275] R10: 00007fffab16fe10 R11: 0000000000000246 R12: 0000000000000001 [ 18.206482][ T275] R13: 0000000000000002 R14: 00007fac58edd680 R15: 00007fac58edefa0 | [ 27.978747][ T316] softirqs last disabled at (20709): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 27.978749][ T316] Preemption disabled at: | [ 27.978750][ T316] vprintk_emit (kernel/printk/printk.c:2471) | [ 27.978758][ T316] Tainted: [W]=WARN [ 27.978759][ T316] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 27.978761][ T316] Call Trace: [ 27.978763][ T316] [ 27.978764][ T316] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 27.978770][ T316] ? vprintk_emit (kernel/printk/printk.c:2471) [ 27.978771][ T316] __might_resched.cold (kernel/sched/core.c:9234) [ 27.978776][ T316] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 27.978780][ T316] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 27.978785][ T316] __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)) [ 27.978786][ T316] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 27.978794][ T316] ? 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) [ 27.978797][ T316] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 27.978800][ T316] put_chars (drivers/char/virtio_console.c:1176) [ 27.978802][ T316] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 27.978804][ T316] ? __send_to_port (drivers/char/virtio_console.c:654) [ 27.978807][ T316] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 27.978810][ T316] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 27.978815][ T316] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 27.978819][ T316] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 27.978821][ T316] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 27.978826][ T316] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 27.978828][ T316] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 27.978831][ T316] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.978833][ T316] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 27.978838][ T316] console_emit_next_record (kernel/printk/printk.c:3183) [ 27.978842][ T316] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 27.978844][ T316] ? 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)) [ 27.978847][ T316] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.978849][ T316] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 27.978853][ T316] console_flush_one_record (kernel/printk/printk.c:3268) [ 27.978857][ T316] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 27.978859][ T316] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 27.978864][ T316] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 27.978867][ T316] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 27.978869][ T316] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.978871][ T316] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 27.978875][ T316] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 27.978876][ T316] ? vprintk_emit (kernel/printk/printk.c:2478) [ 27.978879][ T316] vprintk_emit (kernel/printk/printk.c:2479) [ 27.978883][ T316] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 27.978888][ T316] ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact [ 27.978891][ T316] _printk (kernel/printk/printk.c:2504) [ 27.978895][ T316] ? snapshot_read.cold (user.c:?) [ 27.978901][ T316] ? 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) [ 27.978905][ T316] gact_init_module (net/sched/act_gact.c:180) act_gact [ 27.978907][ T316] do_one_initcall (init/main.c:1357) [ 27.978910][ T316] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 27.978915][ T316] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 27.978917][ T316] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 27.978923][ T316] do_init_module (kernel/module/main.c:3117) [ 27.978926][ T316] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 27.978930][ T316] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 27.978933][ T316] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 27.978937][ T316] load_module (kernel/module/main.c:3593) [ 27.978942][ T316] ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11)) [ 27.978947][ T316] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 27.978950][ T316] ? __ia32_sys_fsconfig (??:?) [ 27.978954][ T316] ? backing_file_read_iter (fs/backing-file.c:211) [ 27.978958][ T316] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 27.978962][ T316] init_module_from_file (kernel/module/main.c:3790) [ 27.978964][ T316] ? __do_sys_init_module (kernel/module/main.c:3664) [ 27.978972][ T316] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 27.978976][ T316] ? 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) [ 27.978979][ T316] idempotent_init_module (kernel/module/main.c:3802) [ 27.978982][ T316] ? init_module_from_file (kernel/module/main.c:3791) [ 27.978988][ T316] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 27.978990][ T316] ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769) [ 27.978995][ T316] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 27.978997][ T316] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 27.979001][ T316] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 27.979004][ T316] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 27.979007][ T316] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 27.979010][ T316] RIP: 0033:0x7f6b1eea537d [ 27.979019][ T316] 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 [ 27.979020][ T316] RSP: 002b:00007fff429fdd08 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 27.979023][ T316] RAX: ffffffffffffffda RBX: 0000559212222810 RCX: 00007f6b1eea537d [ 27.979024][ T316] RDX: 0000000000000000 RSI: 0000559210ccbffd RDI: 0000000000000000 [ 27.979025][ T316] RBP: 00007fff429fdda0 R08: 0000000000000000 R09: 0000000000000000 [ 27.979026][ T316] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559210ccbffd [ 27.979027][ T316] R13: 0000559212222960 R14: 0000000000040000 R15: 0000000000000000 | [ 38.642908][ T355] softirqs last disabled at (18325): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 38.642911][ T355] Preemption disabled at: | [ 38.642912][ T355] 0x0 | [ 38.642922][ T355] Tainted: [W]=WARN [ 38.642923][ T355] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 38.642925][ T355] Call Trace: [ 38.642926][ T355] [ 38.642927][ T355] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 38.642934][ T355] __might_resched.cold (kernel/sched/core.c:9234) [ 38.642938][ T355] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 38.642942][ T355] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 38.642947][ T355] __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)) [ 38.642949][ T355] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 38.642956][ T355] ? 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) [ 38.642959][ T355] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 38.642962][ T355] put_chars (drivers/char/virtio_console.c:1176) [ 38.642965][ T355] ? __send_to_port (drivers/char/virtio_console.c:654) [ 38.642966][ T355] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 38.642970][ T355] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 38.642975][ T355] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 38.642983][ T355] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 38.642986][ T355] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.642988][ T355] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.642992][ T355] console_emit_next_record (kernel/printk/printk.c:3183) [ 38.642996][ T355] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 38.642998][ T355] ? 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)) [ 38.643001][ T355] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.643003][ T355] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.643010][ T355] console_flush_one_record (kernel/printk/printk.c:3268) [ 38.643015][ T355] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 38.643017][ T355] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 38.643023][ T355] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 38.643026][ T355] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 38.643027][ T355] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.643029][ T355] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 38.643033][ T355] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 38.643035][ T355] ? vprintk_emit (kernel/printk/printk.c:2478) [ 38.643038][ T355] vprintk_emit (kernel/printk/printk.c:2479) [ 38.643041][ T355] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 38.643044][ T355] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 38.643048][ T355] _printk (kernel/printk/printk.c:2504) [ 38.643051][ T355] ? snapshot_read.cold (user.c:?) [ 38.643059][ T355] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 38.643062][ T355] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 38.643066][ T355] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 38.643069][ T355] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 38.643073][ T355] ? exit_notify (kernel/exit.c:780) [ 38.643074][ T355] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 38.643077][ T355] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.643081][ T355] do_group_exit (kernel/exit.c:1151) [ 38.643084][ T355] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 38.643086][ T355] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 38.643089][ T355] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 38.643092][ T355] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 38.643095][ T355] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 38.643098][ T355] RIP: 0033:0x7f6d80e8c1b8 [ 38.643100][ T355] Code: Unable to access opcode bytes at 0x7f6d80e8c18e. Code starting with the faulting instruction =========================================== [ 38.643101][ T355] RSP: 002b:00007ffde13d0978 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 38.643103][ T355] RAX: ffffffffffffffda RBX: 00007f6d80fbcf88 RCX: 00007f6d80e8c1b8 [ 38.643105][ T355] RDX: 00007f6d80bd6fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 38.643106][ T355] RBP: 00007ffde13d09d0 R08: 0000000000000000 R09: 0000000000000020 [ 38.643107][ T355] R10: 00007ffde13d0790 R11: 0000000000000246 R12: 0000000000000001 [ 38.643107][ T355] R13: 0000000000000000 R14: 00007f6d80fbb680 R15: 00007f6d80fbcfa0 | [ 44.319416][ T393] softirqs last disabled at (20146): neigh_forced_gc (./include/linux/spinlock.h:353 net/core/neighbour.c:265) | [ 44.319418][ T393] Preemption disabled at: | [ 44.319419][ T393] vprintk_emit (kernel/printk/printk.c:2471) | [ 44.319427][ T393] Tainted: [W]=WARN [ 44.319428][ T393] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 44.319430][ T393] Call Trace: [ 44.319432][ T393] [ 44.319433][ T393] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 44.319439][ T393] ? vprintk_emit (kernel/printk/printk.c:2471) [ 44.319441][ T393] __might_resched.cold (kernel/sched/core.c:9234) [ 44.319446][ T393] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 44.319450][ T393] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 44.319455][ T393] __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)) [ 44.319456][ T393] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 44.319463][ T393] ? 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) [ 44.319466][ T393] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 44.319470][ T393] put_chars (drivers/char/virtio_console.c:1176) [ 44.319473][ T393] ? __send_to_port (drivers/char/virtio_console.c:654) [ 44.319476][ T393] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 44.319481][ T393] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 44.319486][ T393] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 44.319491][ T393] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 44.319495][ T393] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.319501][ T393] console_emit_next_record (kernel/printk/printk.c:3183) [ 44.319505][ T393] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 44.319507][ T393] ? 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)) [ 44.319510][ T393] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.319512][ T393] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 44.319516][ T393] console_flush_one_record (kernel/printk/printk.c:3268) [ 44.319521][ T393] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 44.319523][ T393] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 44.319528][ T393] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 44.319531][ T393] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 44.319534][ T393] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.319535][ T393] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 44.319539][ T393] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 44.319541][ T393] ? vprintk_emit (kernel/printk/printk.c:2478) [ 44.319544][ T393] vprintk_emit (kernel/printk/printk.c:2479) [ 44.319547][ T393] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 44.319550][ T393] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 44.319555][ T393] _printk (kernel/printk/printk.c:2504) [ 44.319558][ T393] ? snapshot_read.cold (user.c:?) [ 44.319560][ T393] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 44.319566][ T393] ? idr_get_free (??:?) [ 44.319568][ T393] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 44.319573][ T393] neigh_alloc.cold (net/core/neighbour.c:510 (discriminator 3)) [ 44.319578][ T393] ___neigh_create (net/core/neighbour.c:652) [ 44.319584][ T393] neigh_add (net/core/neighbour.c:2129) [ 44.319586][ T393] ? __mutex_lock (kernel/locking/mutex.c:112 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 44.319590][ T393] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:80 net/core/rtnetlink.c:7138) [ 44.319592][ T393] ? pneigh_create (./include/linux/netdevice.h:4505 (discriminator 31)) [ 44.319605][ T393] rtnetlink_rcv_msg (net/core/rtnetlink.c:7141) [ 44.319609][ T393] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 44.319610][ T393] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 44.319615][ T393] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 44.319617][ T393] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 44.319621][ T393] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 44.319625][ T393] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 44.319628][ T393] ? netlink_ack (./include/linux/skbuff.h:2718) [ 44.319635][ T393] ? 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)) [ 44.319637][ T393] ? 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)) [ 44.319642][ T393] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 44.319647][ T393] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 44.319649][ T393] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 44.319651][ T393] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 44.319653][ T393] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 44.319658][ T393] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 44.319663][ T393] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 44.319667][ T393] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 44.319668][ T393] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 44.319674][ T393] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 44.319679][ T393] ____sys_sendmsg (net/socket.c:2713) [ 44.319681][ T393] ? copy_msghdr_from_user (net/socket.c:2650) [ 44.319683][ T393] ? sock_write_iter (net/socket.c:1269) [ 44.319685][ T393] ? move_addr_to_kernel (net/socket.c:258) [ 44.319693][ T393] ___sys_sendmsg (net/socket.c:2767) [ 44.319696][ T393] ? copy_msghdr_from_user (net/socket.c:2619) [ 44.319698][ T393] ? kfree (mm/slub.c:6778 (discriminator 1)) [ 44.319715][ T393] __sys_sendmsg (net/socket.c:2799) [ 44.319718][ T393] ? __sys_sendmsg_sock (net/socket.c:2780) [ 44.319724][ T393] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.319726][ T393] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.319730][ T393] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 44.319732][ T393] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 44.319735][ T393] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 44.319737][ T393] RIP: 0033:0x7f3c6714a54e [ 44.319741][ T393] 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 [ 44.319743][ T393] RSP: 002b:00007ffcf445fca0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 44.319746][ T393] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3c6714a54e [ 44.319747][ T393] RDX: 0000000000000000 RSI: 00007ffcf445fd50 RDI: 0000000000000005 [ 44.319748][ T393] RBP: 00007ffcf445fcb0 R08: 0000000000000000 R09: 0000000000000000 [ 44.319749][ T393] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918173 [ 44.319750][ T393] R13: 00000000004a1620 R14: 0000000000000000 R15: 0000000000000000 | [ 106.433642][ T715] softirqs last disabled at (16204): neigh_forced_gc (./include/linux/spinlock.h:353 net/core/neighbour.c:265) | [ 106.433644][ T715] Preemption disabled at: | [ 106.433645][ T715] vprintk_emit (kernel/printk/printk.c:2471) | [ 106.433653][ T715] Tainted: [W]=WARN [ 106.433654][ T715] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 106.433656][ T715] Call Trace: [ 106.433657][ T715] [ 106.433659][ T715] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 106.433665][ T715] ? vprintk_emit (kernel/printk/printk.c:2471) [ 106.433667][ T715] __might_resched.cold (kernel/sched/core.c:9234) [ 106.433671][ T715] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 106.433676][ T715] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 106.433680][ T715] __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)) [ 106.433682][ T715] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 106.433689][ T715] ? 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) [ 106.433692][ T715] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 106.433696][ T715] put_chars (drivers/char/virtio_console.c:1176) [ 106.433699][ T715] ? __send_to_port (drivers/char/virtio_console.c:654) [ 106.433700][ T715] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 106.433704][ T715] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 106.433706][ T715] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 106.433712][ T715] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 106.433716][ T715] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 106.433721][ T715] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 106.433725][ T715] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 106.433730][ T715] console_emit_next_record (kernel/printk/printk.c:3183) [ 106.433734][ T715] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 106.433736][ T715] ? 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)) [ 106.433739][ T715] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 106.433741][ T715] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 106.433745][ T715] console_flush_one_record (kernel/printk/printk.c:3268) [ 106.433750][ T715] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 106.433752][ T715] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 106.433758][ T715] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 106.433761][ T715] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 106.433763][ T715] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 106.433765][ T715] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 106.433769][ T715] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 106.433770][ T715] ? vprintk_emit (kernel/printk/printk.c:2478) [ 106.433773][ T715] vprintk_emit (kernel/printk/printk.c:2479) [ 106.433777][ T715] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 106.433779][ T715] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 106.433784][ T715] _printk (kernel/printk/printk.c:2504) [ 106.433788][ T715] ? snapshot_read.cold (user.c:?) [ 106.433790][ T715] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 106.433796][ T715] ? idr_get_free (??:?) [ 106.433798][ T715] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 106.433802][ T715] neigh_alloc.cold (net/core/neighbour.c:510 (discriminator 3)) [ 106.433808][ T715] ___neigh_create (net/core/neighbour.c:652) [ 106.433814][ T715] neigh_add (net/core/neighbour.c:2129) [ 106.433817][ T715] ? __mutex_lock (kernel/locking/mutex.c:112 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 106.433820][ T715] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:80 net/core/rtnetlink.c:7138) [ 106.433822][ T715] ? pneigh_create (./include/linux/netdevice.h:4505 (discriminator 31)) [ 106.433835][ T715] rtnetlink_rcv_msg (net/core/rtnetlink.c:7141) [ 106.433838][ T715] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 106.433840][ T715] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 106.433845][ T715] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 106.433847][ T715] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 106.433851][ T715] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 106.433854][ T715] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 106.433857][ T715] ? netlink_ack (./include/linux/skbuff.h:2718) [ 106.433865][ T715] ? 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)) [ 106.433867][ T715] ? 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)) [ 106.433872][ T715] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 106.433876][ T715] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 106.433878][ T715] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 106.433880][ T715] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 106.433882][ T715] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6)) [ 106.433887][ T715] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 106.433892][ T715] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 106.433896][ T715] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 106.433898][ T715] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 106.433904][ T715] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 106.433908][ T715] ____sys_sendmsg (net/socket.c:2713) [ 106.433911][ T715] ? copy_msghdr_from_user (net/socket.c:2650) [ 106.433913][ T715] ? sock_write_iter (net/socket.c:1269) [ 106.433915][ T715] ? move_addr_to_kernel (net/socket.c:258) [ 106.433923][ T715] ___sys_sendmsg (net/socket.c:2767) [ 106.433926][ T715] ? copy_msghdr_from_user (net/socket.c:2619) [ 106.433927][ T715] ? kfree (mm/slub.c:6778 (discriminator 1)) [ 106.433945][ T715] __sys_sendmsg (net/socket.c:2799) [ 106.433948][ T715] ? __sys_sendmsg_sock (net/socket.c:2780) [ 106.433954][ T715] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 106.433956][ T715] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 106.433959][ T715] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 106.433962][ T715] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 106.433964][ T715] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 106.433967][ T715] RIP: 0033:0x7f81937ab54e [ 106.433971][ T715] 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 [ 106.433972][ T715] RSP: 002b:00007fffadb08800 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 106.433975][ T715] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f81937ab54e [ 106.433976][ T715] RDX: 0000000000000000 RSI: 00007fffadb088b0 RDI: 0000000000000005 [ 106.433977][ T715] RBP: 00007fffadb08810 R08: 0000000000000000 R09: 0000000000000000 [ 106.433978][ T715] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9181b1 Finger prints: neigh_forced_gc:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars