====================================== | [ 10.400709][ T175] softirqs last disabled at (20765): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.400711][ T175] Preemption disabled at: | [ 10.400712][ T175] 0x0 | [ 10.400722][ T175] Tainted: [W]=WARN [ 10.400723][ T175] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.400725][ T175] Call Trace: [ 10.400727][ T175] [ 10.400728][ T175] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.400735][ T175] __might_resched.cold (kernel/sched/core.c:9234) [ 10.400740][ T175] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.400744][ T175] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.400749][ T175] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 10.400751][ T175] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.400757][ T175] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 10.400760][ T175] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.400763][ T175] put_chars (drivers/char/virtio_console.c:1176) [ 10.400766][ T175] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.400768][ T175] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.400773][ T175] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.400778][ T175] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.400785][ T175] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.400787][ T175] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.400790][ T175] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.400794][ T175] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.400798][ T175] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.400799][ T175] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 10.400803][ T175] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.400805][ T175] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.400809][ T175] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.400813][ T175] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.400815][ T175] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.400820][ T175] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.400823][ T175] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.400825][ T175] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.400827][ T175] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.400830][ T175] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.400832][ T175] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.400836][ T175] vprintk_emit (kernel/printk/printk.c:2479) [ 10.400839][ T175] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.400843][ T175] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.400846][ T175] _printk (kernel/printk/printk.c:2504) [ 10.400850][ T175] ? snapshot_read.cold (user.c:?) [ 10.400853][ T175] ? 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) [ 10.400855][ T175] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.400859][ T175] ? 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) [ 10.400862][ T175] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.400865][ T175] ? exit_notify (kernel/exit.c:780) [ 10.400867][ T175] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.400869][ T175] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.400873][ T175] do_group_exit (kernel/exit.c:1151) [ 10.400876][ T175] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.400878][ T175] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.400881][ T175] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.400885][ T175] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.400887][ T175] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.400890][ T175] RIP: 0033:0x7f1bb16061b8 [ 10.400892][ T175] Code: Unable to access opcode bytes at 0x7f1bb160618e. Code starting with the faulting instruction =========================================== [ 10.400893][ T175] RSP: 002b:00007ffddbb4b798 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.400896][ T175] RAX: ffffffffffffffda RBX: 00007f1bb1736f88 RCX: 00007f1bb16061b8 [ 10.400897][ T175] RDX: 00007f1bb1350fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.400898][ T175] RBP: 00007ffddbb4b7f0 R08: 0000000000000000 R09: 0000000000000050 [ 10.400899][ T175] R10: 00007ffddbb4b5b0 R11: 0000000000000246 R12: 0000000000000001 [ 10.400900][ T175] R13: 0000000000000000 R14: 00007f1bb1735680 R15: 00007f1bb1736fa0 | [ 13.970987][ T200] softirqs last disabled at (16505): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 13.970990][ T200] Preemption disabled at: | [ 13.970990][ T200] vprintk_emit (kernel/printk/printk.c:2471) | [ 13.971003][ T200] Tainted: [W]=WARN [ 13.971004][ T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.971006][ T200] Call Trace: [ 13.971008][ T200] [ 13.971009][ T200] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.971015][ T200] ? vprintk_emit (kernel/printk/printk.c:2471) [ 13.971017][ T200] __might_resched.cold (kernel/sched/core.c:9234) [ 13.971022][ T200] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.971026][ T200] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 13.971031][ T200] __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)) [ 13.971033][ T200] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.971039][ T200] ? 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) [ 13.971042][ T200] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.971045][ T200] put_chars (drivers/char/virtio_console.c:1176) [ 13.971048][ T200] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.971050][ T200] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 13.971054][ T200] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 13.971057][ T200] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 13.971061][ T200] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.971064][ T200] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.971069][ T200] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.971072][ T200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.971076][ T200] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.971080][ T200] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.971082][ T200] ? 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)) [ 13.971085][ T200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.971087][ T200] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.971091][ T200] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.971095][ T200] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.971097][ T200] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.971102][ T200] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.971105][ T200] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.971107][ T200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.971109][ T200] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 13.971112][ T200] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.971114][ T200] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.971117][ T200] vprintk_emit (kernel/printk/printk.c:2479) [ 13.971121][ T200] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.971126][ T200] ? ppp_cleanup (drivers/net/ppp/ppp_generic.c:1603) ppp_generic [ 13.971130][ T200] _printk (kernel/printk/printk.c:2504) [ 13.971133][ T200] ? snapshot_read.cold (user.c:?) [ 13.971138][ T200] ? ppp_cleanup (drivers/net/ppp/ppp_generic.c:1603) ppp_generic [ 13.971140][ T200] ? 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) [ 13.971142][ T200] ? ppp_cleanup (drivers/net/ppp/ppp_generic.c:1603) ppp_generic [ 13.971145][ T200] ? 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) [ 13.971147][ T200] bsdcomp_init (drivers/net/ppp/bsd_comp.c:297) bsd_comp [ 13.971150][ T200] do_one_initcall (init/main.c:1357) [ 13.971153][ T200] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 13.971158][ T200] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 13.971161][ T200] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 13.971165][ T200] do_init_module (kernel/module/main.c:3117) [ 13.971169][ T200] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 13.971173][ T200] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 13.971176][ T200] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 13.971180][ T200] load_module (kernel/module/main.c:3593) [ 13.971186][ T200] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 13.971190][ T200] ? __ia32_sys_fsconfig (??:?) [ 13.971193][ T200] ? ovl_real_file (fs/overlayfs/file.c:195) [ 13.971196][ T200] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 13.971198][ T200] ? backing_file_read_iter (fs/backing-file.c:211) [ 13.971201][ T200] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 13.971205][ T200] init_module_from_file (kernel/module/main.c:3790) [ 13.971208][ T200] ? __do_sys_init_module (kernel/module/main.c:3664) [ 13.971216][ T200] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 13.971220][ T200] ? 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) [ 13.971223][ T200] idempotent_init_module (kernel/module/main.c:3802) [ 13.971227][ T200] ? init_module_from_file (kernel/module/main.c:3791) [ 13.971233][ T200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.971235][ T200] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 13.971241][ T200] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 13.971243][ T200] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 13.971246][ T200] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 13.971249][ T200] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 13.971251][ T200] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 13.971253][ T200] RIP: 0033:0x7f7844efc37d [ 13.971257][ T200] 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 [ 13.971258][ T200] RSP: 002b:00007ffd444c6dd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 13.971261][ T200] RAX: ffffffffffffffda RBX: 000055d178230810 RCX: 00007f7844efc37d [ 13.971262][ T200] RDX: 0000000000000000 RSI: 000055d16163bffd RDI: 0000000000000000 [ 13.971263][ T200] RBP: 00007ffd444c6e70 R08: 0000000000000000 R09: 0000000000000000 [ 13.971264][ T200] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d16163bffd [ 13.971264][ T200] R13: 000055d1782309e0 R14: 0000000000040000 R15: 0000000000000000 | [ 18.622550][ T226] softirqs last disabled at (851823): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 18.622552][ T226] Preemption disabled at: | [ 18.622553][ T226] 0x0 | [ 18.622563][ T226] Tainted: [W]=WARN [ 18.622564][ T226] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 18.622566][ T226] Call Trace: [ 18.622567][ T226] [ 18.622569][ T226] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 18.622575][ T226] __might_resched.cold (kernel/sched/core.c:9234) [ 18.622580][ T226] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 18.622584][ 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) [ 18.622589][ 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)) [ 18.622591][ T226] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.622597][ 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) [ 18.622600][ T226] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.622603][ T226] put_chars (drivers/char/virtio_console.c:1176) [ 18.622605][ T226] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 18.622608][ T226] ? __send_to_port (drivers/char/virtio_console.c:654) [ 18.622611][ T226] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 18.622616][ T226] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 18.622618][ T226] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 18.622622][ T226] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 18.622625][ T226] ? mark_usage (kernel/locking/lockdep.c:4690) [ 18.622627][ T226] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.622628][ T226] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.622632][ T226] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 18.622634][ T226] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 18.622638][ T226] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.622640][ T226] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.622644][ T226] console_emit_next_record (kernel/printk/printk.c:3183) [ 18.622648][ T226] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 18.622650][ 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)) [ 18.622653][ T226] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.622655][ T226] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.622659][ T226] console_flush_one_record (kernel/printk/printk.c:3268) [ 18.622663][ T226] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 18.622665][ T226] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.622670][ T226] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 18.622673][ T226] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 18.622675][ T226] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.622677][ T226] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 18.622681][ T226] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 18.622682][ T226] ? vprintk_emit (kernel/printk/printk.c:2478) [ 18.622686][ T226] vprintk_emit (kernel/printk/printk.c:2479) [ 18.622690][ T226] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 18.622693][ T226] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.622697][ T226] _printk (kernel/printk/printk.c:2504) [ 18.622700][ T226] ? snapshot_read.cold (user.c:?) [ 18.622703][ 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) [ 18.622706][ T226] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 18.622709][ 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) [ 18.622712][ T226] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 18.622716][ T226] ? exit_notify (kernel/exit.c:780) [ 18.622721][ T226] __x64_sys_exit (kernel/exit.c:1118 kernel/exit.c:1116 kernel/exit.c:1116) [ 18.622723][ T226] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:61) [ 18.622726][ T226] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 18.622730][ T226] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 18.622733][ T226] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 18.622735][ T226] RIP: 0033:0x7f3c5f0c6c49 [ 18.622737][ T226] Code: Unable to access opcode bytes at 0x7f3c5f0c6c1f. Code starting with the faulting instruction =========================================== [ 18.622738][ T226] RSP: 002b:00007f3c5e885e60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 18.622741][ T226] RAX: ffffffffffffffda RBX: 00007f3c5e8866c0 RCX: 00007f3c5f0c6c49 [ 18.622742][ T226] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 18.622743][ T226] RBP: 00007f3c5e885f70 R08: 0000000000000001 R09: 00007f3c5e8866c0 [ 18.622744][ T226] R10: 0000000000000008 R11: 0000000000000246 R12: 00007f3c5e086000 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