====================================== | [ 9.747837][ T170] softirqs last disabled at (21103): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.747839][ T170] Preemption disabled at: | [ 9.747840][ T170] 0x0 | [ 9.747850][ T170] Tainted: [W]=WARN [ 9.747851][ T170] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.747853][ T170] Call Trace: [ 9.747854][ T170] [ 9.747856][ T170] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.747862][ T170] __might_resched.cold (kernel/sched/core.c:9234) [ 9.747866][ T170] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.747871][ T170] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.747876][ T170] __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)) [ 9.747878][ T170] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.747884][ T170] ? 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) [ 9.747886][ T170] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.747890][ T170] put_chars (drivers/char/virtio_console.c:1176) [ 9.747893][ T170] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.747894][ T170] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.747900][ T170] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.747905][ T170] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.747911][ T170] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.747914][ T170] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.747916][ T170] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.747920][ T170] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.747924][ T170] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.747926][ T170] ? 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)) [ 9.747929][ T170] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.747931][ T170] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.747935][ T170] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.747944][ T170] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.747946][ T170] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.747951][ T170] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.747954][ T170] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.747955][ T170] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.747958][ T170] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.747961][ T170] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.747963][ T170] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.747966][ T170] vprintk_emit (kernel/printk/printk.c:2479) [ 9.747970][ T170] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.747975][ T170] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.747979][ T170] _printk (kernel/printk/printk.c:2504) [ 9.747983][ T170] ? snapshot_read.cold (user.c:?) [ 9.747985][ T170] ? 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) [ 9.747988][ T170] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.747992][ T170] ? 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) [ 9.747994][ T170] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.747998][ T170] ? exit_notify (kernel/exit.c:780) [ 9.748000][ T170] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.748002][ T170] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.748006][ T170] do_group_exit (kernel/exit.c:1151) [ 9.748009][ T170] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.748011][ T170] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.748014][ T170] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.748018][ T170] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.748020][ T170] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.748022][ T170] RIP: 0033:0x7f5b1c9491b8 [ 9.748025][ T170] Code: Unable to access opcode bytes at 0x7f5b1c94918e. Code starting with the faulting instruction =========================================== [ 9.748026][ T170] RSP: 002b:00007ffe0c0c7918 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.748028][ T170] RAX: ffffffffffffffda RBX: 00007f5b1ca79f88 RCX: 00007f5b1c9491b8 [ 9.748030][ T170] RDX: 00007f5b1c693fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.748031][ T170] RBP: 00007ffe0c0c7970 R08: 0000000000000000 R09: 0000000000000050 [ 9.748032][ T170] R10: 00007ffe0c0c7730 R11: 0000000000000246 R12: 0000000000000001 [ 9.748033][ T170] R13: 0000000000000000 R14: 00007f5b1ca78680 R15: 00007f5b1ca79fa0 | [ 13.504600][ T197] softirqs last disabled at (17089): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 13.504602][ T197] Preemption disabled at: | [ 13.504603][ T197] vprintk_emit (kernel/printk/printk.c:2471) | [ 13.504612][ T197] Tainted: [W]=WARN [ 13.504613][ T197] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.504615][ T197] Call Trace: [ 13.504616][ T197] [ 13.504618][ T197] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.504623][ T197] ? vprintk_emit (kernel/printk/printk.c:2471) [ 13.504625][ T197] __might_resched.cold (kernel/sched/core.c:9234) [ 13.504630][ T197] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.504634][ T197] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 13.504639][ T197] __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)) [ 13.504641][ T197] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.504646][ T197] ? 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) [ 13.504649][ T197] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.504652][ T197] put_chars (drivers/char/virtio_console.c:1176) [ 13.504655][ T197] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.504657][ T197] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 13.504662][ T197] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 13.504664][ T197] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 13.504669][ T197] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.504672][ T197] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.504677][ T197] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.504679][ T197] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.504684][ T197] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.504689][ T197] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.504691][ T197] ? 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)) [ 13.504694][ T197] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.504696][ T197] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.504700][ T197] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.504704][ T197] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.504706][ T197] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.504711][ T197] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.504714][ T197] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.504715][ T197] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.504718][ T197] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 13.504721][ T197] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.504723][ T197] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.504726][ T197] vprintk_emit (kernel/printk/printk.c:2479) [ 13.504730][ T197] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.504735][ T197] ? ppp_cleanup (drivers/net/ppp/ppp_generic.c:1603) ppp_generic [ 13.504739][ T197] _printk (kernel/printk/printk.c:2504) [ 13.504742][ T197] ? snapshot_read.cold (user.c:?) [ 13.504747][ T197] ? ppp_cleanup (drivers/net/ppp/ppp_generic.c:1603) ppp_generic [ 13.504749][ T197] ? 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) [ 13.504751][ T197] ? ppp_cleanup (drivers/net/ppp/ppp_generic.c:1603) ppp_generic [ 13.504754][ T197] ? 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) [ 13.504756][ T197] bsdcomp_init (drivers/net/ppp/bsd_comp.c:297) bsd_comp [ 13.504759][ T197] do_one_initcall (init/main.c:1357) [ 13.504762][ T197] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 13.504766][ T197] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 13.504769][ T197] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 13.504774][ T197] do_init_module (kernel/module/main.c:3117) [ 13.504777][ T197] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 13.504781][ T197] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 13.504784][ T197] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 13.504788][ T197] load_module (kernel/module/main.c:3593) [ 13.504795][ T197] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 13.504798][ T197] ? __ia32_sys_fsconfig (??:?) [ 13.504801][ T197] ? ovl_real_file (fs/overlayfs/file.c:195) [ 13.504805][ T197] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 13.504807][ T197] ? backing_file_read_iter (fs/backing-file.c:211) [ 13.504810][ T197] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 13.504814][ T197] init_module_from_file (kernel/module/main.c:3790) [ 13.504817][ T197] ? __do_sys_init_module (kernel/module/main.c:3664) [ 13.504824][ T197] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 13.504828][ T197] ? 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) [ 13.504831][ T197] idempotent_init_module (kernel/module/main.c:3802) [ 13.504834][ T197] ? init_module_from_file (kernel/module/main.c:3791) [ 13.504840][ T197] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.504842][ T197] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 13.504848][ T197] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 13.504850][ T197] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 13.504854][ T197] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 13.504856][ T197] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 13.504859][ T197] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 13.504861][ T197] RIP: 0033:0x7f584566b37d [ 13.504864][ T197] 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 [ 13.504866][ T197] RSP: 002b:00007ffd3943c198 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 13.504869][ T197] RAX: ffffffffffffffda RBX: 00005564888c1810 RCX: 00007f584566b37d [ 13.504870][ T197] RDX: 0000000000000000 RSI: 00005564624a5ffd RDI: 0000000000000000 [ 13.504871][ T197] RBP: 00007ffd3943c230 R08: 0000000000000000 R09: 0000000000000000 [ 13.504872][ T197] R10: 0000000000000000 R11: 0000000000000246 R12: 00005564624a5ffd [ 13.504873][ T197] R13: 00005564888c19e0 R14: 0000000000040000 R15: 0000000000000000 | [ 18.032338][ T226] softirqs last disabled at (832167): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 18.032340][ T226] Preemption disabled at: | [ 18.032341][ T226] 0x0 | [ 18.032351][ T226] Tainted: [W]=WARN [ 18.032352][ T226] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 18.032354][ T226] Call Trace: [ 18.032355][ T226] [ 18.032357][ T226] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 18.032363][ T226] __might_resched.cold (kernel/sched/core.c:9234) [ 18.032368][ T226] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 18.032371][ T226] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 18.032377][ T226] __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)) [ 18.032379][ T226] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.032385][ T226] ? 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) [ 18.032388][ T226] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.032391][ T226] put_chars (drivers/char/virtio_console.c:1176) [ 18.032393][ T226] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 18.032395][ T226] ? __send_to_port (drivers/char/virtio_console.c:654) [ 18.032398][ T226] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 18.032403][ T226] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 18.032405][ T226] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 18.032409][ T226] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 18.032412][ T226] ? mark_usage (kernel/locking/lockdep.c:4690) [ 18.032414][ T226] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.032416][ T226] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.032420][ T226] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 18.032422][ T226] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 18.032425][ T226] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.032428][ T226] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.032431][ T226] console_emit_next_record (kernel/printk/printk.c:3183) [ 18.032435][ T226] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 18.032437][ T226] ? 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)) [ 18.032440][ T226] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.032443][ T226] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.032447][ T226] console_flush_one_record (kernel/printk/printk.c:3268) [ 18.032451][ T226] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 18.032453][ T226] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.032458][ T226] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 18.032461][ T226] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 18.032462][ T226] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.032465][ T226] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 18.032468][ T226] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 18.032470][ T226] ? vprintk_emit (kernel/printk/printk.c:2478) [ 18.032474][ T226] vprintk_emit (kernel/printk/printk.c:2479) [ 18.032477][ T226] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 18.032481][ T226] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.032484][ T226] _printk (kernel/printk/printk.c:2504) [ 18.032488][ T226] ? snapshot_read.cold (user.c:?) [ 18.032491][ T226] ? 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) [ 18.032493][ T226] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 18.032497][ T226] ? 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) [ 18.032500][ T226] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 18.032504][ T226] ? exit_notify (kernel/exit.c:780) [ 18.032509][ T226] __x64_sys_exit (kernel/exit.c:1118 kernel/exit.c:1116 kernel/exit.c:1116) [ 18.032511][ T226] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:61) [ 18.032513][ T226] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 18.032517][ T226] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 18.032520][ T226] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 18.032523][ T226] RIP: 0033:0x7fb352cf0c49 [ 18.032525][ T226] Code: Unable to access opcode bytes at 0x7fb352cf0c1f. Code starting with the faulting instruction =========================================== [ 18.032526][ T226] RSP: 002b:00007fb3524afe60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 18.032529][ T226] RAX: ffffffffffffffda RBX: 00007fb3524b06c0 RCX: 00007fb352cf0c49 [ 18.032530][ T226] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 18.032531][ T226] RBP: 00007fb3524aff70 R08: 0000000000000001 R09: 00007fb3524b06c0 [ 18.032532][ T226] R10: 0000000000000008 R11: 0000000000000246 R12: 00007fb351cb0000 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