====================================== | [ 11.979581][ T208] softirqs last disabled at (20717): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 11.979583][ T208] Preemption disabled at: | [ 11.979584][ T208] 0x0 | [ 11.979594][ T208] Tainted: [W]=WARN [ 11.979595][ T208] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.979597][ T208] Call Trace: [ 11.979598][ T208] [ 11.979600][ T208] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.979606][ T208] __might_resched.cold (kernel/sched/core.c:9234) [ 11.979610][ T208] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.979614][ T208] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.979619][ T208] __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)) [ 11.979621][ T208] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.979628][ T208] ? 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) [ 11.979630][ T208] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.979634][ T208] put_chars (drivers/char/virtio_console.c:1176) [ 11.979637][ T208] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.979638][ T208] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.979641][ T208] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.979647][ T208] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.979654][ T208] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.979657][ T208] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.979659][ T208] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.979662][ T208] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.979667][ T208] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.979668][ T208] ? 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)) [ 11.979671][ T208] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.979673][ T208] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.979677][ T208] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.979681][ T208] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.979683][ T208] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.979688][ T208] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.979691][ T208] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.979693][ T208] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.979694][ T208] ? 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) [ 11.979698][ T208] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.979700][ T208] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.979702][ T208] vprintk_emit (kernel/printk/printk.c:2479) [ 11.979705][ T208] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.979708][ T208] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.979712][ T208] _printk (kernel/printk/printk.c:2504) [ 11.979715][ T208] ? snapshot_read.cold (user.c:?) [ 11.979718][ T208] ? 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) [ 11.979721][ T208] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.979725][ T208] ? 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) [ 11.979727][ T208] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 11.979731][ T208] ? exit_notify (kernel/exit.c:780) [ 11.979733][ T208] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.979735][ T208] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.979739][ T208] do_group_exit (kernel/exit.c:1151) [ 11.979742][ T208] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 11.979743][ T208] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 11.979746][ T208] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.979750][ T208] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.979753][ T208] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.979755][ T208] RIP: 0033:0x7f1d75d8a1b8 [ 11.979757][ T208] Code: Unable to access opcode bytes at 0x7f1d75d8a18e. Code starting with the faulting instruction =========================================== [ 11.979758][ T208] RSP: 002b:00007ffc4788a098 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.979761][ T208] RAX: ffffffffffffffda RBX: 00007f1d75ebaf88 RCX: 00007f1d75d8a1b8 [ 11.979762][ T208] RDX: 00007f1d75ad4fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 11.979763][ T208] RBP: 00007ffc4788a0f0 R08: 0000000000000000 R09: 0000000000000050 [ 11.979764][ T208] R10: 00007ffc47889eb0 R11: 0000000000000246 R12: 0000000000000001 [ 11.979764][ T208] R13: 0000000000000000 R14: 00007f1d75eb9680 R15: 00007f1d75ebafa0 | [ 13.012706][ T242] softirqs last disabled at (20145): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 13.012709][ T242] Preemption disabled at: | [ 13.012709][ T242] vprintk_emit (kernel/printk/printk.c:2471) | [ 13.012718][ T242] Tainted: [W]=WARN [ 13.012719][ T242] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.012720][ T242] Call Trace: [ 13.012722][ T242] [ 13.012723][ T242] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.012729][ T242] ? vprintk_emit (kernel/printk/printk.c:2471) [ 13.012731][ T242] __might_resched.cold (kernel/sched/core.c:9234) [ 13.012735][ T242] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.012739][ T242] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 13.012743][ T242] __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)) [ 13.012745][ T242] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.012752][ T242] ? 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) [ 13.012755][ T242] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.012758][ T242] put_chars (drivers/char/virtio_console.c:1176) [ 13.012760][ T242] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 13.012763][ T242] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.012765][ T242] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 13.012768][ T242] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 13.012773][ T242] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.012777][ T242] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.012779][ T242] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.012783][ T242] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.012785][ T242] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 13.012788][ T242] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.012790][ T242] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.012794][ T242] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.012798][ T242] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.012800][ T242] ? 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)) [ 13.012803][ T242] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.012805][ T242] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.012809][ T242] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.012813][ T242] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.012815][ T242] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.012820][ T242] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.012823][ T242] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.012825][ T242] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.012826][ T242] ? 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) [ 13.012830][ T242] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.012832][ T242] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.012834][ T242] vprintk_emit (kernel/printk/printk.c:2479) [ 13.012837][ T242] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.012842][ T242] ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact [ 13.012845][ T242] _printk (kernel/printk/printk.c:2504) [ 13.012849][ T242] ? snapshot_read.cold (user.c:?) [ 13.012855][ T242] ? 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) [ 13.012858][ T242] gact_init_module (net/sched/act_gact.c:180) act_gact [ 13.012860][ T242] do_one_initcall (init/main.c:1357) [ 13.012863][ T242] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 13.012868][ T242] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 13.012870][ T242] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 13.012876][ T242] do_init_module (kernel/module/main.c:3117) [ 13.012879][ T242] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 13.012882][ T242] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 13.012885][ T242] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 13.012889][ T242] load_module (kernel/module/main.c:3593) [ 13.012894][ T242] ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11)) [ 13.012898][ T242] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 13.012902][ T242] ? __ia32_sys_fsconfig (??:?) [ 13.012905][ T242] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 13.012908][ T242] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 13.012911][ T242] init_module_from_file (kernel/module/main.c:3790) [ 13.012914][ T242] ? __do_sys_init_module (kernel/module/main.c:3664) [ 13.012922][ T242] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 13.012925][ T242] ? 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) [ 13.012928][ T242] idempotent_init_module (kernel/module/main.c:3802) [ 13.012931][ T242] ? init_module_from_file (kernel/module/main.c:3791) [ 13.012936][ T242] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 13.012938][ T242] ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536) [ 13.012943][ T242] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 13.012944][ T242] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 13.012948][ T242] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 13.012951][ T242] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 13.012953][ T242] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 13.012955][ T242] RIP: 0033:0x7f00d1e5937d [ 13.012958][ T242] 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 [ 13.012960][ T242] RSP: 002b:00007ffdaaa85908 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 13.012963][ T242] RAX: ffffffffffffffda RBX: 000055bdc0c3d810 RCX: 00007f00d1e5937d [ 13.012964][ T242] RDX: 0000000000000000 RSI: 000055bd8ac9dffd RDI: 0000000000000000 [ 13.012965][ T242] RBP: 00007ffdaaa859a0 R08: 0000000000000000 R09: 0000000000000000 [ 13.012966][ T242] R10: 0000000000000000 R11: 0000000000000246 R12: 000055bd8ac9dffd [ 13.012967][ T242] R13: 000055bdc0c3d960 R14: 0000000000040000 R15: 0000000000000000 | [ 24.688770][ T282] softirqs last disabled at (21674): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 24.688772][ T282] Preemption disabled at: | [ 24.688772][ T282] vprintk_emit (kernel/printk/printk.c:2471) | [ 24.688780][ T282] Tainted: [W]=WARN [ 24.688781][ T282] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 24.688783][ T282] Call Trace: [ 24.688784][ T282] [ 24.688786][ T282] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 24.688792][ T282] ? vprintk_emit (kernel/printk/printk.c:2471) [ 24.688794][ T282] __might_resched.cold (kernel/sched/core.c:9234) [ 24.688798][ T282] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 24.688803][ T282] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 24.688807][ T282] __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)) [ 24.688809][ T282] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 24.688816][ T282] ? 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) [ 24.688819][ T282] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 24.688822][ T282] put_chars (drivers/char/virtio_console.c:1176) [ 24.688825][ T282] ? __send_to_port (drivers/char/virtio_console.c:654) [ 24.688827][ T282] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 24.688830][ T282] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 24.688833][ T282] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 24.688837][ T282] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 24.688841][ T282] ? mark_usage (kernel/locking/lockdep.c:4690) [ 24.688843][ T282] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 24.688845][ T282] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 24.688849][ T282] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 24.688851][ T282] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 24.688855][ T282] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 24.688859][ T282] console_emit_next_record (kernel/printk/printk.c:3183) [ 24.688863][ T282] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 24.688865][ T282] ? 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)) [ 24.688868][ T282] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.688870][ T282] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 24.688874][ T282] console_flush_one_record (kernel/printk/printk.c:3268) [ 24.688878][ T282] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 24.688880][ T282] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 24.688885][ T282] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 24.688888][ T282] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 24.688890][ T282] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.688891][ T282] ? 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) [ 24.688895][ T282] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 24.688897][ T282] ? vprintk_emit (kernel/printk/printk.c:2478) [ 24.688900][ T282] vprintk_emit (kernel/printk/printk.c:2479) [ 24.688903][ T282] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 24.688905][ T282] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 24.688909][ T282] _printk (kernel/printk/printk.c:2504) [ 24.688913][ T282] ? snapshot_read.cold (user.c:?) [ 24.688917][ T282] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 24.688919][ T282] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 24.688923][ T282] ? notifier_call_chain (./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/notifier.h:59 kernel/notifier.c:84) [ 24.688926][ T282] vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1)) [ 24.688931][ T282] ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261) [ 24.688936][ T282] ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110) [ 24.688940][ T282] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 24.688945][ T282] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.688947][ T282] notifier_call_chain (kernel/notifier.c:85) [ 24.688952][ T282] __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853) [ 24.688957][ T282] ? netif_change_name (net/core/dev.c:1517) [ 24.688961][ T282] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 24.688964][ T282] ? write_profile (profile.c:?) [ 24.688969][ T282] netif_change_flags (net/core/dev.c:9882) [ 24.688973][ T282] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 24.688977][ T282] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 24.688979][ T282] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 24.688980][ T282] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 24.688982][ T282] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 24.688985][ T282] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 24.688987][ T282] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 24.688989][ T282] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 24.688991][ T282] ? kasan_save_stack (mm/kasan/common.c:58) [ 24.688994][ T282] ? kasan_save_stack (mm/kasan/common.c:57) [ 24.688995][ T282] ? kasan_save_track (mm/kasan/common.c:78) [ 24.688996][ T282] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 24.688999][ T282] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 24.689001][ T282] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 24.689004][ T282] ? ___sys_sendmsg (net/socket.c:2758) [ 24.689007][ T282] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 24.689009][ T282] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 24.689012][ T282] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.689014][ T282] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 24.689015][ T282] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.689016][ T282] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.689018][ T282] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 24.689020][ T282] ? __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) [ 24.689023][ T282] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 24.689025][ T282] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 24.689028][ T282] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 24.689031][ T282] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.689034][ T282] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 24.689039][ T282] rtnl_newlink (net/core/rtnetlink.c:4215) [ 24.689044][ T282] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 24.689046][ T282] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 24.689050][ T282] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 24.689052][ T282] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 24.689054][ T282] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 24.689056][ T282] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 24.689060][ T282] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 24.689062][ T282] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 24.689065][ T282] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 24.689066][ T282] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 24.689071][ T282] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 24.689072][ T282] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 24.689076][ T282] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 24.689078][ T282] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 24.689081][ T282] ? netlink_ack (./include/linux/skbuff.h:2718) [ 24.689087][ T282] ? 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)) [ 24.689089][ T282] ? 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)) [ 24.689094][ T282] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 24.689098][ T282] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 24.689100][ T282] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 24.689104][ T282] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 24.689108][ T282] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 24.689112][ T282] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 24.689114][ T282] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 24.689119][ T282] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 24.689122][ T282] ____sys_sendmsg (net/socket.c:2713) [ 24.689124][ T282] ? copy_msghdr_from_user (net/socket.c:2650) [ 24.689126][ T282] ? sock_write_iter (net/socket.c:1269) [ 24.689128][ T282] ? move_addr_to_kernel (net/socket.c:258) [ 24.689135][ T282] ___sys_sendmsg (net/socket.c:2767) [ 24.689138][ T282] ? copy_msghdr_from_user (net/socket.c:2619) [ 24.689154][ T282] __sys_sendmsg (net/socket.c:2799) [ 24.689157][ T282] ? __sys_sendmsg_sock (net/socket.c:2780) [ 24.689163][ T282] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.689166][ T282] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 24.689169][ T282] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 24.689172][ T282] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 24.689174][ T282] RIP: 0033:0x7f1455f0654e [ 24.689178][ T282] 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 [ 24.689179][ T282] RSP: 002b:00007ffcbf54a5a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 24.689182][ T282] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f1455f0654e [ 24.689183][ T282] RDX: 0000000000000000 RSI: 00007ffcbf54a650 RDI: 0000000000000005 [ 24.689184][ T282] RBP: 00007ffcbf54a5b0 R08: 0000000000000000 R09: 0000000000000000 [ 24.689185][ T282] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915e52 Finger prints: __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 inet6_fill_ifla6_attrs:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars