====================================== | [ 9.777678][ T187] softirqs last disabled at (35629): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.777681][ T187] Preemption disabled at: | [ 9.777682][ T187] 0x0 | [ 9.777695][ T187] Tainted: [W]=WARN [ 9.777696][ T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.777699][ T187] Call Trace: [ 9.777701][ T187] [ 9.777703][ T187] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.777710][ T187] __might_resched.cold (kernel/sched/core.c:9234) [ 9.777716][ T187] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.777721][ 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) [ 9.777728][ 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)) [ 9.777731][ T187] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.777739][ 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) [ 9.777743][ T187] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.777748][ T187] put_chars (drivers/char/virtio_console.c:1176) [ 9.777752][ T187] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.777754][ T187] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.777760][ T187] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.777768][ T187] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.777777][ T187] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.777780][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.777783][ T187] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.777790][ T187] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.777795][ T187] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.777798][ 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)) [ 9.777802][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.777806][ T187] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.777812][ T187] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.777818][ T187] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.777821][ T187] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.777829][ T187] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.777833][ T187] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.777835][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.777839][ T187] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.777844][ T187] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.777846][ T187] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.777851][ T187] vprintk_emit (kernel/printk/printk.c:2479) [ 9.777857][ T187] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.777862][ T187] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.777867][ T187] _printk (kernel/printk/printk.c:2504) [ 9.777872][ T187] ? snapshot_read.cold (user.c:?) [ 9.777876][ 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) [ 9.777880][ T187] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.777885][ 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) [ 9.777889][ T187] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.777894][ T187] ? exit_notify (kernel/exit.c:780) [ 9.777897][ T187] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.777901][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.777907][ T187] do_group_exit (kernel/exit.c:1151) [ 9.777911][ T187] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.777914][ T187] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.777916][ T187] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.777920][ T187] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.777925][ T187] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.777928][ T187] RIP: 0033:0x7f583e87d1b8 [ 9.777931][ T187] Code: Unable to access opcode bytes at 0x7f583e87d18e. Code starting with the faulting instruction =========================================== [ 9.777932][ T187] RSP: 002b:00007ffedbf2d348 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.777935][ T187] RAX: ffffffffffffffda RBX: 00007f583e9adf88 RCX: 00007f583e87d1b8 [ 9.777937][ T187] RDX: 00007f583e5c7fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.777938][ T187] RBP: 00007ffedbf2d3a0 R08: 0000000000000000 R09: 0000000000008010 [ 9.777940][ T187] R10: 00007ffedbf2d160 R11: 0000000000000246 R12: 0000000000000001 [ 9.777941][ T187] R13: 0000000000000000 R14: 00007f583e9ac680 R15: 00007f583e9adfa0 | [ 16.050856][ T249] softirqs last disabled at (32447): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 16.050859][ T249] Preemption disabled at: | [ 16.050859][ T249] vprintk_emit (kernel/printk/printk.c:2471) | [ 16.050869][ T249] Tainted: [W]=WARN [ 16.050870][ T249] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.050871][ T249] Call Trace: [ 16.050873][ T249] [ 16.050874][ T249] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 16.050880][ T249] ? vprintk_emit (kernel/printk/printk.c:2471) [ 16.050882][ T249] __might_resched.cold (kernel/sched/core.c:9234) [ 16.050887][ T249] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 16.050891][ T249] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 16.050896][ T249] __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)) [ 16.050898][ T249] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.050904][ T249] ? 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) [ 16.050906][ T249] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.050910][ T249] put_chars (drivers/char/virtio_console.c:1176) [ 16.050911][ T249] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 16.050914][ T249] ? __send_to_port (drivers/char/virtio_console.c:654) [ 16.050916][ T249] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 16.050920][ T249] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 16.050924][ T249] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 16.050926][ T249] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.050928][ T249] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.050932][ T249] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 16.050934][ T249] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 16.050937][ T249] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.050940][ T249] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.050943][ T249] console_emit_next_record (kernel/printk/printk.c:3183) [ 16.050947][ T249] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 16.050949][ T249] ? 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)) [ 16.050952][ T249] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.050954][ T249] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.050958][ T249] console_flush_one_record (kernel/printk/printk.c:3268) [ 16.050962][ T249] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 16.050964][ T249] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.050969][ T249] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 16.050971][ T249] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 16.050973][ T249] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.050975][ T249] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 16.050979][ T249] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 16.050980][ T249] ? vprintk_emit (kernel/printk/printk.c:2478) [ 16.050984][ T249] vprintk_emit (kernel/printk/printk.c:2479) [ 16.050988][ T249] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 16.050993][ T249] ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact [ 16.050996][ T249] _printk (kernel/printk/printk.c:2504) [ 16.051000][ T249] ? snapshot_read.cold (user.c:?) [ 16.051005][ T249] ? 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) [ 16.051008][ T249] gact_init_module (net/sched/act_gact.c:180) act_gact [ 16.051011][ T249] do_one_initcall (init/main.c:1357) [ 16.051013][ T249] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 16.051018][ T249] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 16.051021][ T249] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 16.051025][ T249] do_init_module (kernel/module/main.c:3117) [ 16.051029][ T249] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 16.051033][ T249] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 16.051036][ T249] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 16.051040][ T249] load_module (kernel/module/main.c:3593) [ 16.051048][ T249] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 16.051052][ T249] ? __ia32_sys_fsconfig (??:?) [ 16.051055][ T249] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 16.051058][ T249] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 16.051062][ T249] init_module_from_file (kernel/module/main.c:3790) [ 16.051065][ T249] ? __do_sys_init_module (kernel/module/main.c:3664) [ 16.051072][ T249] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 16.051076][ T249] ? 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) [ 16.051079][ T249] idempotent_init_module (kernel/module/main.c:3802) [ 16.051082][ T249] ? init_module_from_file (kernel/module/main.c:3791) [ 16.051088][ T249] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.051090][ T249] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 16.051097][ T249] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 16.051099][ T249] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 16.051102][ T249] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 16.051106][ T249] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 16.051108][ T249] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 16.051111][ T249] RIP: 0033:0x7f5c660ba37d [ 16.051114][ T249] 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 [ 16.051116][ T249] RSP: 002b:00007ffee246d1c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 16.051119][ T249] RAX: ffffffffffffffda RBX: 000055db5fe94810 RCX: 00007f5c660ba37d [ 16.051120][ T249] RDX: 0000000000000000 RSI: 000055db2b217ffd RDI: 0000000000000000 [ 16.051122][ T249] RBP: 00007ffee246d260 R08: 0000000000000000 R09: 0000000000000000 [ 16.051123][ T249] R10: 0000000000000000 R11: 0000000000000246 R12: 000055db2b217ffd [ 16.051123][ T249] R13: 000055db5fe94960 R14: 0000000000040000 R15: 0000000000000000 | [ 19.153711][ T532] softirqs last disabled at (18605): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 19.153714][ T532] Preemption disabled at: | [ 19.153714][ T532] 0x0 | [ 19.153724][ T532] Tainted: [W]=WARN [ 19.153725][ T532] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 19.153727][ T532] Call Trace: [ 19.153728][ T532] [ 19.153730][ T532] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 19.153736][ T532] __might_resched.cold (kernel/sched/core.c:9234) [ 19.153741][ T532] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 19.153745][ T532] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 19.153750][ T532] __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)) [ 19.153752][ T532] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.153758][ T532] ? 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) [ 19.153761][ T532] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.153764][ T532] put_chars (drivers/char/virtio_console.c:1176) [ 19.153767][ T532] ? __send_to_port (drivers/char/virtio_console.c:654) [ 19.153768][ T532] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 19.153773][ T532] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 19.153778][ T532] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 19.153784][ T532] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 19.153786][ T532] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.153788][ T532] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.153792][ T532] console_emit_next_record (kernel/printk/printk.c:3183) [ 19.153796][ T532] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 19.153798][ T532] ? 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)) [ 19.153801][ T532] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.153803][ T532] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.153807][ T532] console_flush_one_record (kernel/printk/printk.c:3268) [ 19.153811][ T532] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 19.153813][ T532] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.153818][ T532] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 19.153820][ T532] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 19.153822][ T532] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.153824][ T532] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 19.153828][ T532] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 19.153830][ T532] ? vprintk_emit (kernel/printk/printk.c:2478) [ 19.153833][ T532] vprintk_emit (kernel/printk/printk.c:2479) [ 19.153836][ T532] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 19.153840][ T532] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.153843][ T532] _printk (kernel/printk/printk.c:2504) [ 19.153847][ T532] ? snapshot_read.cold (user.c:?) [ 19.153850][ T532] ? 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) [ 19.153852][ T532] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 19.153856][ T532] ? 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) [ 19.153859][ T532] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 19.153863][ T532] ? exit_notify (kernel/exit.c:780) [ 19.153865][ T532] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 19.153867][ T532] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.153871][ T532] do_group_exit (kernel/exit.c:1151) [ 19.153874][ T532] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 19.153876][ T532] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 19.153878][ T532] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 19.153881][ T532] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 19.153884][ T532] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 19.153886][ T532] RIP: 0033:0x7fdfc3a021b8 [ 19.153889][ T532] Code: Unable to access opcode bytes at 0x7fdfc3a0218e. Code starting with the faulting instruction =========================================== [ 19.153890][ T532] RSP: 002b:00007ffe1af44f98 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 19.153892][ T532] RAX: ffffffffffffffda RBX: 00007fdfc3b32f88 RCX: 00007fdfc3a021b8 [ 19.153893][ T532] RDX: 00007fdfc374d588 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 19.153894][ T532] RBP: 00007ffe1af44ff0 R08: 0000000000000000 R09: 0000000000000000 [ 19.153895][ T532] R10: 00007ffe1af44d90 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