====================================== | [ 9.894266][ T187] softirqs last disabled at (45249): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.894269][ T187] Preemption disabled at: | [ 9.894269][ T187] 0x0 | [ 9.894280][ T187] Tainted: [W]=WARN [ 9.894281][ T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.894283][ T187] Call Trace: [ 9.894285][ T187] [ 9.894286][ T187] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.894293][ T187] __might_resched.cold (kernel/sched/core.c:9234) [ 9.894298][ T187] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.894302][ T187] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.894307][ T187] __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)) [ 9.894310][ T187] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.894316][ T187] ? 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) [ 9.894319][ T187] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.894322][ T187] put_chars (drivers/char/virtio_console.c:1176) [ 9.894325][ T187] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.894326][ T187] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.894331][ T187] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.894336][ T187] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.894342][ T187] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.894344][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.894347][ T187] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.894351][ T187] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.894355][ T187] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.894356][ T187] ? 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)) [ 9.894360][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.894362][ T187] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.894366][ T187] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.894370][ T187] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.894372][ T187] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.894377][ T187] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.894380][ T187] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.894382][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.894384][ T187] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.894388][ T187] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.894390][ T187] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.894393][ T187] vprintk_emit (kernel/printk/printk.c:2479) [ 9.894397][ T187] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.894400][ T187] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.894404][ T187] _printk (kernel/printk/printk.c:2504) [ 9.894407][ T187] ? snapshot_read.cold (user.c:?) [ 9.894410][ T187] ? 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) [ 9.894413][ T187] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.894417][ T187] ? 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) [ 9.894419][ T187] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.894423][ T187] ? exit_notify (kernel/exit.c:780) [ 9.894425][ T187] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.894428][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.894432][ T187] do_group_exit (kernel/exit.c:1151) [ 9.894435][ T187] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.894437][ T187] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.894439][ T187] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.894442][ T187] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.894445][ T187] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.894448][ T187] RIP: 0033:0x7f8b0777f1b8 [ 9.894450][ T187] Code: Unable to access opcode bytes at 0x7f8b0777f18e. Code starting with the faulting instruction =========================================== [ 9.894451][ T187] RSP: 002b:00007fffa8095168 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.894453][ T187] RAX: ffffffffffffffda RBX: 00007f8b078aff88 RCX: 00007f8b0777f1b8 [ 9.894455][ T187] RDX: 00007f8b074c9fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.894456][ T187] RBP: 00007fffa80951c0 R08: 0000000000000000 R09: 0000000000008010 [ 9.894457][ T187] R10: 00007fffa8094f80 R11: 0000000000000246 R12: 0000000000000001 [ 9.894457][ T187] R13: 0000000000000000 R14: 00007f8b078ae680 R15: 00007f8b078affa0 | [ 11.952363][ T264] softirqs last disabled at (17373): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 11.952366][ T264] Preemption disabled at: | [ 11.952366][ T264] vprintk_emit (kernel/printk/printk.c:2471) | [ 11.952376][ T264] Tainted: [W]=WARN [ 11.952377][ T264] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.952379][ T264] Call Trace: [ 11.952380][ T264] [ 11.952382][ T264] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.952387][ T264] ? vprintk_emit (kernel/printk/printk.c:2471) [ 11.952390][ T264] __might_resched.cold (kernel/sched/core.c:9234) [ 11.952394][ T264] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.952398][ T264] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.952403][ T264] __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)) [ 11.952405][ T264] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.952411][ T264] ? 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) [ 11.952414][ T264] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.952417][ T264] put_chars (drivers/char/virtio_console.c:1176) [ 11.952418][ T264] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 11.952420][ T264] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.952423][ T264] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.952427][ T264] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.952431][ T264] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.952433][ T264] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.952435][ T264] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.952439][ T264] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.952441][ T264] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 11.952444][ T264] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.952447][ T264] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.952450][ T264] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.952454][ T264] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.952456][ T264] ? 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)) [ 11.952459][ T264] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.952461][ T264] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.952465][ T264] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.952469][ T264] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.952471][ T264] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.952476][ T264] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.952478][ T264] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.952480][ T264] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.952483][ T264] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 11.952486][ T264] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.952488][ T264] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.952491][ T264] vprintk_emit (kernel/printk/printk.c:2479) [ 11.952495][ T264] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.952501][ T264] ? gre_exit (net/ipv4/gre_demux.c:73) gre [ 11.952503][ T264] _printk (kernel/printk/printk.c:2504) [ 11.952507][ T264] ? snapshot_read.cold (user.c:?) [ 11.952513][ T264] ? 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) [ 11.952516][ T264] gre_init (gre.mod.c:?) gre [ 11.952518][ T264] do_one_initcall (init/main.c:1357) [ 11.952521][ T264] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 11.952525][ T264] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 11.952528][ T264] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 11.952533][ T264] do_init_module (kernel/module/main.c:3117) [ 11.952536][ T264] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 11.952540][ T264] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 11.952544][ T264] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 11.952548][ T264] load_module (kernel/module/main.c:3593) [ 11.952560][ T264] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 11.952565][ T264] ? backing_file_read_iter (fs/backing-file.c:211) [ 11.952568][ T264] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.952572][ T264] init_module_from_file (kernel/module/main.c:3790) [ 11.952575][ T264] ? __do_sys_init_module (kernel/module/main.c:3664) [ 11.952583][ T264] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.952586][ T264] ? 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) [ 11.952589][ T264] idempotent_init_module (kernel/module/main.c:3802) [ 11.952593][ T264] ? init_module_from_file (kernel/module/main.c:3791) [ 11.952599][ T264] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.952601][ T264] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 11.952607][ T264] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 11.952609][ T264] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 11.952612][ T264] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.952614][ T264] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.952617][ T264] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.952619][ T264] RIP: 0033:0x7f5f5de7e37d [ 11.952623][ T264] 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 [ 11.952625][ T264] RSP: 002b:00007ffee043d658 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 11.952627][ T264] RAX: ffffffffffffffda RBX: 000056470c21dd30 RCX: 00007f5f5de7e37d [ 11.952629][ T264] RDX: 0000000000000000 RSI: 0000564700737ffd RDI: 0000000000000000 [ 11.952630][ T264] RBP: 00007ffee043d6f0 R08: 0000000000000000 R09: 0000000000000000 [ 11.952630][ T264] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564700737ffd [ 11.952631][ T264] R13: 000056470c21dcf0 R14: 0000000000040000 R15: 0000000000000000 | [ 12.070927][ T69] #10: ffffffff8b489560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) | [ 12.070931][ T69] | [ 12.070931][ T69] stack backtrace: | [ 12.070937][ T69] Tainted: [W]=WARN [ 12.070937][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.070939][ T69] Workqueue: ipv6_addrconf addrconf_dad_work [ 12.070943][ T69] Call Trace: [ 12.070944][ T69] [ 12.070946][ T69] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.070952][ T69] lockdep_rcu_suspicious.cold (kernel/locking/lockdep.c:6938) [ 12.070958][ T69] __might_resched (kernel/sched/core.c:9196 (discriminator 9)) [ 12.070963][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.070966][ T69] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.070971][ T69] __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)) [ 12.070973][ T69] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.070979][ T69] ? 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) [ 12.070982][ T69] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.070985][ T69] put_chars (drivers/char/virtio_console.c:1176) [ 12.070987][ T69] ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3)) [ 12.070989][ T69] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.070992][ T69] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 12.070997][ T69] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.071004][ T69] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.071006][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.071010][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.071014][ T69] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.071018][ T69] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.071021][ T69] ? 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)) [ 12.071026][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.071029][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.071034][ T69] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.071038][ T69] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.071040][ T69] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.071045][ T69] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.071048][ T69] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.071050][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.071053][ T69] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.071056][ T69] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.071058][ T69] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.071062][ T69] vprintk_emit (kernel/printk/printk.c:2479) [ 12.071066][ T69] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.071069][ T69] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.071074][ T69] _printk (kernel/printk/printk.c:2504) [ 12.071077][ T69] ? snapshot_read.cold (user.c:?) [ 12.071078][ T69] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 12.071084][ T69] ? idr_get_free (??:?) [ 12.071090][ T69] ip6_tnl_xmit_ctl.cold (net/ipv6/ip6_tunnel.c:1064 (discriminator 3)) ip6_tunnel [ 12.071094][ T69] ip6gre_tunnel_xmit (net/ipv6/ip6_gre.c:888) ip6_gre [ 12.071099][ T69] ? __gre6_xmit (./include/linux/skbuff.h:2904) ip6_gre [ 12.071102][ T69] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.071105][ T69] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.071107][ T69] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.071110][ T69] ? mark_usage (kernel/locking/lockdep.c:4690) [ 12.071112][ T69] ? netif_skb_features (net/core/dev.c:3793 net/core/dev.c:3922) [ 12.071120][ T69] dev_hard_start_xmit (./include/linux/netdevice.h:5429 ./include/linux/netdevice.h:5438 net/core/dev.c:3937 net/core/dev.c:3953) [ 12.071123][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.071127][ T69] __dev_queue_xmit (net/core/dev.c:4926) [ 12.071131][ T69] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.071133][ T69] ? ip6_ra_control (net/ipv6/ipv6_sockglue.c:73 (discriminator 1)) [ 12.071138][ T69] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 12.071139][ T69] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.071142][ T69] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.071144][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.071148][ T69] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 12.071153][ T69] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 12.071156][ T69] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 12.071159][ T69] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 12.071161][ T69] ? ___neigh_create (./include/linux/spinlock.h:407 net/core/neighbour.c:721) [ 12.071167][ T69] ip6_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv6/ip6_output.c:138 (discriminator 3)) [ 12.071172][ T69] ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269) [ 12.071174][ T69] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.071177][ T69] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.071180][ T69] ? ip6_mtu (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/ip6_route.h:384 (discriminator 2) net/ipv6/route.c:3290 (discriminator 2)) [ 12.071184][ T69] ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221) [ 12.071188][ T69] ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248) [ 12.071191][ T69] ? ip6_finish_output (./include/net/inet_sock.h:338 (discriminator 1)) [ 12.071193][ T69] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.071195][ T69] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.071198][ T69] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.071199][ T69] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 12.071204][ T69] ndisc_send_skb (./include/net/dst.h:470 (discriminator 4) ./include/linux/netfilter.h:325 (discriminator 4) net/ipv6/ndisc.c:513 (discriminator 4)) [ 12.071209][ T69] ? ndisc_recv_na (./include/net/net_namespace.h:422 (discriminator 7)) [ 12.071216][ T69] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 12.071221][ T69] addrconf_dad_completed (net/ipv6/addrconf.c:4396) [ 12.071224][ T69] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.071227][ T69] ? addrconf_rs_timer (net/ipv6/addrconf.c:4092 (discriminator 11)) [ 12.071230][ T69] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.071231][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.071233][ T69] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 12.071237][ T69] ? addrconf_dad_begin (net/ipv6/addrconf.c:4158) [ 12.071239][ T69] addrconf_dad_begin (net/ipv6/addrconf.c:4158) [ 12.071241][ T69] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.071245][ T69] ? addrconf_dad_completed (net/ipv6/addrconf.c:4402) [ 12.071247][ T69] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.071248][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.071251][ T69] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 12.071258][ T69] addrconf_dad_work (net/ipv6/addrconf.c:4263) [ 12.071263][ T69] ? addrconf_dad_begin (net/ipv6/addrconf.c:4180) [ 12.071267][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.071269][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.071271][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.071272][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.071277][ T69] process_one_work (kernel/workqueue.c:3387) [ 12.071283][ T69] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 12.071286][ T69] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.071294][ T69] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 12.071298][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 12.071300][ T69] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 12.071303][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 12.071306][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 12.071308][ T69] kthread (kernel/kthread.c:436) [ 12.071310][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 12.071313][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 12.071316][ T69] ret_from_fork (arch/x86/kernel/process.c:158) [ 12.071320][ T69] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 12.071323][ T69] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 12.071326][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 12.071329][ T69] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 13.884088][ T324] softirqs last disabled at (19181): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 13.884091][ T324] Preemption disabled at: | [ 13.884091][ T324] vprintk_emit (kernel/printk/printk.c:2471) | [ 13.884101][ T324] Tainted: [W]=WARN [ 13.884102][ T324] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.884103][ T324] Call Trace: [ 13.884105][ T324] [ 13.884106][ T324] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.884112][ T324] ? vprintk_emit (kernel/printk/printk.c:2471) [ 13.884114][ T324] __might_resched.cold (kernel/sched/core.c:9234) [ 13.884119][ T324] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.884123][ T324] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 13.884128][ T324] __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)) [ 13.884130][ T324] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.884136][ T324] ? 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) [ 13.884139][ T324] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.884142][ T324] put_chars (drivers/char/virtio_console.c:1176) [ 13.884144][ T324] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 13.884146][ T324] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.884149][ T324] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 13.884152][ T324] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 13.884156][ T324] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.884159][ T324] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.884161][ T324] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.884165][ T324] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.884166][ T324] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 13.884169][ T324] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.884172][ T324] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.884176][ T324] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.884180][ T324] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.884181][ T324] ? 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)) [ 13.884184][ T324] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.884187][ T324] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.884190][ T324] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.884194][ T324] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.884196][ T324] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.884201][ T324] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.884204][ T324] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.884205][ T324] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.884208][ T324] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 13.884211][ T324] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.884213][ T324] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.884216][ T324] vprintk_emit (kernel/printk/printk.c:2479) [ 13.884220][ T324] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.884225][ T324] ? gre_exit (net/ipv4/gre_demux.c:73) gre [ 13.884228][ T324] _printk (kernel/printk/printk.c:2504) [ 13.884232][ T324] ? snapshot_read.cold (user.c:?) [ 13.884238][ T324] ? 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) [ 13.884241][ T324] gact_init_module (net/sched/act_gact.c:180) act_gact [ 13.884244][ T324] do_one_initcall (init/main.c:1357) [ 13.884246][ T324] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 13.884251][ T324] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 13.884254][ T324] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 13.884259][ T324] do_init_module (kernel/module/main.c:3117) [ 13.884262][ T324] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 13.884266][ T324] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 13.884269][ T324] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 13.884273][ T324] load_module (kernel/module/main.c:3593) [ 13.884280][ T324] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 13.884284][ T324] ? __ia32_sys_fsconfig (??:?) [ 13.884287][ T324] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 13.884290][ T324] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 13.884293][ T324] init_module_from_file (kernel/module/main.c:3790) [ 13.884296][ T324] ? __do_sys_init_module (kernel/module/main.c:3664) [ 13.884304][ T324] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 13.884308][ T324] ? 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) [ 13.884311][ T324] idempotent_init_module (kernel/module/main.c:3802) [ 13.884314][ T324] ? init_module_from_file (kernel/module/main.c:3791) [ 13.884320][ T324] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.884322][ T324] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 13.884328][ T324] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 13.884331][ T324] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 13.884334][ T324] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 13.884336][ T324] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 13.884338][ T324] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 13.884341][ T324] RIP: 0033:0x7f1f4ab5937d [ 13.884344][ T324] 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 [ 13.884346][ T324] RSP: 002b:00007ffd78ba7ab8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 13.884350][ T324] RAX: ffffffffffffffda RBX: 0000559d78040810 RCX: 00007f1f4ab5937d [ 13.884351][ T324] RDX: 0000000000000000 RSI: 0000559d4f877ffd RDI: 0000000000000000 [ 13.884352][ T324] RBP: 00007ffd78ba7b50 R08: 0000000000000000 R09: 0000000000000000 [ 13.884353][ T324] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559d4f877ffd [ 13.884354][ T324] R13: 0000559d78040960 R14: 0000000000040000 R15: 0000000000000000 | [ 85.373269][ T1202] softirqs last disabled at (10484): sk_common_release (./include/net/sock.h:2138 net/core/sock.c:4066) | [ 85.373271][ T1202] Preemption disabled at: | [ 85.373272][ T1202] 0x0 | [ 85.373282][ T1202] Tainted: [W]=WARN [ 85.373283][ T1202] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 85.373285][ T1202] Call Trace: [ 85.373286][ T1202] [ 85.373288][ T1202] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 85.373294][ T1202] __might_resched.cold (kernel/sched/core.c:9234) [ 85.373298][ T1202] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 85.373302][ T1202] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 85.373307][ T1202] __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)) [ 85.373310][ T1202] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 85.373315][ T1202] ? 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) [ 85.373318][ T1202] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 85.373321][ T1202] put_chars (drivers/char/virtio_console.c:1176) [ 85.373324][ T1202] ? __send_to_port (drivers/char/virtio_console.c:654) [ 85.373326][ T1202] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 85.373330][ T1202] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 85.373335][ T1202] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 85.373341][ T1202] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 85.373343][ T1202] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 85.373346][ T1202] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 85.373350][ T1202] console_emit_next_record (kernel/printk/printk.c:3183) [ 85.373353][ T1202] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 85.373355][ T1202] ? 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)) [ 85.373358][ T1202] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 85.373360][ T1202] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 85.373364][ T1202] console_flush_one_record (kernel/printk/printk.c:3268) [ 85.373368][ T1202] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 85.373370][ T1202] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 85.373375][ T1202] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 85.373378][ T1202] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 85.373380][ T1202] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 85.373382][ T1202] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 85.373386][ T1202] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 85.373387][ T1202] ? vprintk_emit (kernel/printk/printk.c:2478) [ 85.373391][ T1202] vprintk_emit (kernel/printk/printk.c:2479) [ 85.373394][ T1202] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 85.373398][ T1202] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 85.373401][ T1202] _printk (kernel/printk/printk.c:2504) [ 85.373405][ T1202] ? snapshot_read.cold (user.c:?) [ 85.373408][ T1202] ? 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) [ 85.373410][ T1202] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 85.373414][ T1202] ? 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) [ 85.373417][ T1202] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 85.373421][ T1202] ? exit_notify (kernel/exit.c:780) [ 85.373423][ T1202] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 85.373425][ T1202] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 85.373430][ T1202] do_group_exit (kernel/exit.c:1151) [ 85.373432][ T1202] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 85.373434][ T1202] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 85.373437][ T1202] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 85.373439][ T1202] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 85.373443][ T1202] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 85.373445][ T1202] RIP: 0033:0x7f7645f4e1b8 [ 85.373447][ T1202] Code: Unable to access opcode bytes at 0x7f7645f4e18e. Code starting with the faulting instruction =========================================== [ 85.373448][ T1202] RSP: 002b:00007ffef6a10de8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 85.373451][ T1202] RAX: ffffffffffffffda RBX: 00007f764607ef88 RCX: 00007f7645f4e1b8 [ 85.373452][ T1202] RDX: 00007f7645cdf7c8 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 85.373453][ T1202] RBP: 00007ffef6a10e40 R08: 0000000000000000 R09: 0000000000001010 [ 85.373454][ T1202] R10: 00007ffef6a10c60 R11: 0000000000000246 R12: 0000000000000002 Finger prints: __might_resched:__kmalloc_noprof:put_chars:hvc_console_print:console_emit_next_record __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print sk_common_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print