====================================== | [ 9.457921][ T187] softirqs last disabled at (32557): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.457923][ T187] Preemption disabled at: | [ 9.457924][ T187] 0x0 | [ 9.457934][ T187] Tainted: [W]=WARN [ 9.457935][ T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.457937][ T187] Call Trace: [ 9.457939][ T187] [ 9.457940][ T187] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.457950][ T187] __might_resched.cold (kernel/sched/core.c:9234) [ 9.457954][ T187] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.457958][ 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) [ 9.457964][ 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)) [ 9.457966][ T187] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.457972][ 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) [ 9.457975][ T187] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.457978][ T187] put_chars (drivers/char/virtio_console.c:1176) [ 9.457981][ T187] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.457983][ T187] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.457987][ T187] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.457992][ T187] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.457999][ T187] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.458001][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.458003][ T187] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.458007][ T187] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.458011][ T187] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.458013][ 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)) [ 9.458016][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.458019][ T187] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.458023][ T187] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.458027][ T187] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.458029][ T187] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.458034][ T187] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.458037][ T187] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.458039][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.458041][ T187] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.458045][ T187] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.458046][ T187] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.458050][ T187] vprintk_emit (kernel/printk/printk.c:2479) [ 9.458053][ T187] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.458057][ T187] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.458061][ T187] _printk (kernel/printk/printk.c:2504) [ 9.458065][ T187] ? snapshot_read.cold (user.c:?) [ 9.458068][ 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) [ 9.458070][ T187] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.458074][ 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) [ 9.458077][ T187] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.458081][ T187] ? exit_notify (kernel/exit.c:780) [ 9.458083][ T187] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.458086][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.458090][ T187] do_group_exit (kernel/exit.c:1151) [ 9.458093][ T187] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.458094][ T187] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.458097][ T187] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.458100][ T187] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.458103][ T187] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.458105][ T187] RIP: 0033:0x7fe46dc1d1b8 [ 9.458107][ T187] Code: Unable to access opcode bytes at 0x7fe46dc1d18e. Code starting with the faulting instruction =========================================== [ 9.458109][ T187] RSP: 002b:00007fff8bd577d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.458111][ T187] RAX: ffffffffffffffda RBX: 00007fe46dd4df88 RCX: 00007fe46dc1d1b8 [ 9.458113][ T187] RDX: 00007fe46d967fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.458114][ T187] RBP: 00007fff8bd57830 R08: 0000000000000000 R09: 0000000000008010 [ 9.458114][ T187] R10: 00007fff8bd575f0 R11: 0000000000000246 R12: 0000000000000001 [ 9.458115][ T187] R13: 0000000000000000 R14: 00007fe46dd4c680 R15: 00007fe46dd4dfa0 | [ 18.653329][ T309] softirqs last disabled at (20819): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 18.653331][ T309] Preemption disabled at: | [ 18.653331][ T309] vprintk_emit (kernel/printk/printk.c:2471) | [ 18.653341][ T309] Tainted: [W]=WARN [ 18.653342][ T309] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 18.653343][ T309] Call Trace: [ 18.653345][ T309] [ 18.653346][ T309] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 18.653352][ T309] ? vprintk_emit (kernel/printk/printk.c:2471) [ 18.653354][ T309] __might_resched.cold (kernel/sched/core.c:9234) [ 18.653359][ T309] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 18.653363][ T309] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 18.653368][ T309] __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)) [ 18.653370][ T309] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.653381][ T309] ? 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) [ 18.653384][ T309] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.653387][ T309] put_chars (drivers/char/virtio_console.c:1176) [ 18.653390][ T309] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 18.653392][ T309] ? __send_to_port (drivers/char/virtio_console.c:654) [ 18.653395][ T309] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 18.653398][ T309] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 18.653402][ T309] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 18.653405][ T309] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.653406][ T309] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.653411][ T309] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 18.653412][ T309] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 18.653415][ T309] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.653418][ T309] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.653422][ T309] console_emit_next_record (kernel/printk/printk.c:3183) [ 18.653426][ T309] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 18.653427][ T309] ? 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)) [ 18.653431][ T309] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.653433][ T309] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.653437][ T309] console_flush_one_record (kernel/printk/printk.c:3268) [ 18.653441][ T309] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 18.653443][ T309] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.653448][ T309] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 18.653450][ T309] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 18.653452][ T309] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.653454][ T309] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 18.653458][ T309] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 18.653460][ T309] ? vprintk_emit (kernel/printk/printk.c:2478) [ 18.653463][ T309] vprintk_emit (kernel/printk/printk.c:2479) [ 18.653467][ T309] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 18.653472][ T309] ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact [ 18.653475][ T309] _printk (kernel/printk/printk.c:2504) [ 18.653479][ T309] ? snapshot_read.cold (user.c:?) [ 18.653485][ T309] ? 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) [ 18.653488][ T309] gact_init_module (net/sched/act_gact.c:180) act_gact [ 18.653490][ T309] do_one_initcall (init/main.c:1357) [ 18.653493][ T309] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 18.653499][ T309] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 18.653502][ T309] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 18.653507][ T309] do_init_module (kernel/module/main.c:3117) [ 18.653511][ T309] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 18.653515][ T309] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 18.653518][ T309] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 18.653522][ T309] load_module (kernel/module/main.c:3593) [ 18.653529][ T309] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 18.653533][ T309] ? __ia32_sys_fsconfig (??:?) [ 18.653536][ T309] ? ovl_real_file (fs/overlayfs/file.c:195) [ 18.653540][ T309] ? backing_file_read_iter (fs/backing-file.c:211) [ 18.653543][ T309] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 18.653547][ T309] init_module_from_file (kernel/module/main.c:3790) [ 18.653550][ T309] ? __do_sys_init_module (kernel/module/main.c:3664) [ 18.653558][ T309] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 18.653561][ T309] ? 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) [ 18.653564][ T309] idempotent_init_module (kernel/module/main.c:3802) [ 18.653568][ T309] ? init_module_from_file (kernel/module/main.c:3791) [ 18.653574][ T309] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.653576][ T309] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 18.653582][ T309] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 18.653584][ T309] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 18.653588][ T309] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 18.653590][ T309] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 18.653592][ T309] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 18.653595][ T309] RIP: 0033:0x7fa80e51f37d [ 18.653598][ T309] 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 [ 18.653600][ T309] RSP: 002b:00007fff852a2aa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 18.653602][ T309] RAX: ffffffffffffffda RBX: 0000562569e1a810 RCX: 00007fa80e51f37d [ 18.653604][ T309] RDX: 0000000000000000 RSI: 000056254ab84ffd RDI: 0000000000000000 [ 18.653604][ T309] RBP: 00007fff852a2b40 R08: 0000000000000000 R09: 0000000000000000 [ 18.653605][ T309] R10: 0000000000000000 R11: 0000000000000246 R12: 000056254ab84ffd [ 18.653606][ T309] R13: 0000562569e1a960 R14: 0000000000040000 R15: 0000000000000000 | [ 20.874458][ T456] softirqs last disabled at (17661): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 20.874460][ T456] Preemption disabled at: | [ 20.874461][ T456] 0x0 | [ 20.874471][ T456] Tainted: [W]=WARN [ 20.874472][ T456] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 20.874473][ T456] Call Trace: [ 20.874475][ T456] [ 20.874477][ T456] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 20.874483][ T456] __might_resched.cold (kernel/sched/core.c:9234) [ 20.874488][ T456] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 20.874492][ T456] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 20.874498][ T456] __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)) [ 20.874501][ T456] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 20.874507][ T456] ? 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) [ 20.874510][ T456] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 20.874513][ T456] put_chars (drivers/char/virtio_console.c:1176) [ 20.874516][ T456] ? __send_to_port (drivers/char/virtio_console.c:654) [ 20.874517][ T456] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 20.874522][ T456] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 20.874527][ T456] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 20.874533][ T456] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 20.874535][ T456] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.874537][ T456] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.874541][ T456] console_emit_next_record (kernel/printk/printk.c:3183) [ 20.874545][ T456] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 20.874547][ T456] ? 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)) [ 20.874550][ T456] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.874552][ T456] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.874556][ T456] console_flush_one_record (kernel/printk/printk.c:3268) [ 20.874560][ T456] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 20.874562][ T456] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.874567][ T456] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 20.874570][ T456] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 20.874572][ T456] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.874574][ T456] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 20.874577][ T456] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 20.874579][ T456] ? vprintk_emit (kernel/printk/printk.c:2478) [ 20.874582][ T456] vprintk_emit (kernel/printk/printk.c:2479) [ 20.874586][ T456] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 20.874589][ T456] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.874593][ T456] _printk (kernel/printk/printk.c:2504) [ 20.874597][ T456] ? snapshot_read.cold (user.c:?) [ 20.874599][ T456] ? 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) [ 20.874602][ T456] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 20.874606][ T456] ? 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) [ 20.874608][ T456] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 20.874612][ T456] ? exit_notify (kernel/exit.c:780) [ 20.874614][ T456] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 20.874617][ T456] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.874621][ T456] do_group_exit (kernel/exit.c:1151) [ 20.874624][ T456] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 20.874625][ T456] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 20.874628][ T456] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 20.874631][ T456] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 20.874634][ T456] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 20.874636][ T456] RIP: 0033:0x7fc3d2b681b8 [ 20.874638][ T456] Code: Unable to access opcode bytes at 0x7fc3d2b6818e. Code starting with the faulting instruction =========================================== [ 20.874639][ T456] RSP: 002b:00007ffdc3cda5c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 20.874642][ T456] RAX: ffffffffffffffda RBX: 00007fc3d2c98f88 RCX: 00007fc3d2b681b8 [ 20.874643][ T456] RDX: 00007fc3d28b2fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 20.874644][ T456] RBP: 00007ffdc3cda620 R08: 0000000000000000 R09: 0000000000000050 [ 20.874645][ T456] R10: 00007ffdc3cda3e0 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __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