====================================== | [ 10.689245][ T216] softirqs last disabled at (21101): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.689248][ T216] Preemption disabled at: | [ 10.689249][ T216] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.689261][ T216] Tainted: [W]=WARN [ 10.689262][ T216] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.689264][ T216] Call Trace: [ 10.689266][ T216] [ 10.689269][ T216] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.689276][ T216] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.689278][ T216] __might_resched.cold (kernel/sched/core.c:9234) [ 10.689285][ T216] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.689290][ T216] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.689297][ T216] __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)) [ 10.689300][ T216] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.689310][ T216] ? 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) [ 10.689314][ T216] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.689320][ T216] put_chars (drivers/char/virtio_console.c:1176) [ 10.689323][ T216] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 10.689327][ T216] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.689332][ T216] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.689337][ T216] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.689345][ T216] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.689350][ T216] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.689352][ T216] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.689361][ T216] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.689364][ T216] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 10.689369][ T216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.689373][ T216] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.689380][ T216] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.689387][ T216] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.689389][ T216] ? 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)) [ 10.689395][ T216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.689398][ T216] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.689405][ T216] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.689412][ T216] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.689415][ T216] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.689425][ T216] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.689429][ T216] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.689432][ T216] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.689435][ T216] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 10.689442][ T216] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.689445][ T216] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.689450][ T216] vprintk_emit (kernel/printk/printk.c:2479) [ 10.689456][ T216] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.689466][ T216] ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact [ 10.689471][ T216] _printk (kernel/printk/printk.c:2504) [ 10.689476][ T216] ? snapshot_read.cold (user.c:?) [ 10.689487][ T216] ? 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) [ 10.689493][ T216] gact_init_module (net/sched/act_gact.c:180) act_gact [ 10.689497][ T216] do_one_initcall (init/main.c:1357) [ 10.689501][ T216] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 10.689510][ T216] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 10.689513][ T216] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 10.689521][ T216] do_init_module (kernel/module/main.c:3117) [ 10.689527][ T216] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 10.689533][ T216] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 10.689537][ T216] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 10.689544][ T216] load_module (kernel/module/main.c:3593) [ 10.689554][ T216] ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11)) [ 10.689560][ T216] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 10.689566][ T216] ? __ia32_sys_fsconfig (??:?) [ 10.689571][ T216] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.689576][ T216] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.689582][ T216] init_module_from_file (kernel/module/main.c:3790) [ 10.689587][ T216] ? __do_sys_init_module (kernel/module/main.c:3664) [ 10.689601][ T216] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.689607][ T216] ? 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) [ 10.689613][ T216] idempotent_init_module (kernel/module/main.c:3802) [ 10.689617][ T216] ? init_module_from_file (kernel/module/main.c:3791) [ 10.689627][ T216] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 10.689630][ T216] ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536) [ 10.689639][ T216] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 10.689642][ T216] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 10.689647][ T216] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.689652][ T216] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.689656][ T216] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.689660][ T216] RIP: 0033:0x7f9f097ea37d [ 10.689664][ T216] 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 [ 10.689667][ T216] RSP: 002b:00007ffe21304af8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 10.689671][ T216] RAX: ffffffffffffffda RBX: 000056131a6a9810 RCX: 00007f9f097ea37d [ 10.689673][ T216] RDX: 0000000000000000 RSI: 0000561315a04ffd RDI: 0000000000000000 [ 10.689674][ T216] RBP: 00007ffe21304b90 R08: 0000000000000000 R09: 0000000000000000 [ 10.689676][ T216] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561315a04ffd [ 10.689677][ T216] R13: 000056131a6a9960 R14: 0000000000040000 R15: 0000000000000000 | [ 11.876752][ T269] softirqs last disabled at (19321): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 11.876754][ T269] Preemption disabled at: | [ 11.876755][ T269] 0x0 | [ 11.876765][ T269] Tainted: [W]=WARN [ 11.876766][ T269] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.876768][ T269] Call Trace: [ 11.876770][ T269] [ 11.876771][ T269] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.876778][ T269] __might_resched.cold (kernel/sched/core.c:9234) [ 11.876783][ T269] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.876787][ T269] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.876792][ T269] __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)) [ 11.876793][ T269] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.876800][ T269] ? 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) [ 11.876803][ T269] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.876807][ T269] put_chars (drivers/char/virtio_console.c:1176) [ 11.876809][ T269] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.876810][ T269] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.876814][ T269] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.876819][ T269] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.876827][ T269] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.876829][ T269] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.876831][ T269] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.876835][ T269] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.876839][ T269] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.876841][ T269] ? 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)) [ 11.876844][ T269] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.876846][ T269] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.876850][ T269] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.876854][ T269] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.876856][ T269] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.876861][ T269] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.876863][ T269] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.876865][ T269] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.876867][ T269] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 11.876871][ T269] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.876872][ T269] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.876875][ T269] vprintk_emit (kernel/printk/printk.c:2479) [ 11.876878][ T269] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.876881][ T269] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.876885][ T269] _printk (kernel/printk/printk.c:2504) [ 11.876888][ T269] ? snapshot_read.cold (user.c:?) [ 11.876891][ T269] ? 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) [ 11.876894][ T269] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.876897][ T269] ? 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) [ 11.876900][ T269] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 11.876904][ T269] ? exit_notify (kernel/exit.c:780) [ 11.876905][ T269] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.876908][ T269] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.876911][ T269] do_group_exit (kernel/exit.c:1151) [ 11.876914][ T269] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 11.876919][ T269] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 11.876921][ T269] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.876925][ T269] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.876928][ T269] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.876931][ T269] RIP: 0033:0x7f4c0f32a1b8 [ 11.876933][ T269] Code: Unable to access opcode bytes at 0x7f4c0f32a18e. Code starting with the faulting instruction =========================================== [ 11.876934][ T269] RSP: 002b:00007ffd952a35b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.876936][ T269] RAX: ffffffffffffffda RBX: 00007f4c0f45af88 RCX: 00007f4c0f32a1b8 [ 11.876937][ T269] RDX: 00007f4c0f14ea48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 11.876939][ T269] RBP: 00007ffd952a3610 R08: 00000000ffffffff R09: 0000000000000020 [ 11.876939][ T269] R10: 00007ffd952a3430 R11: 0000000000000246 R12: 0000000000000004 [ 11.876940][ T269] R13: 0000000000000000 R14: 00007f4c0f459680 R15: 00007f4c0f45afa0 | [ 21.138505][ T694] softirqs last disabled at (12329): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 21.138508][ T694] Preemption disabled at: | [ 21.138509][ T694] 0x0 | [ 21.138522][ T694] Tainted: [W]=WARN [ 21.138523][ T694] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 21.138525][ T694] Call Trace: [ 21.138527][ T694] [ 21.138529][ T694] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 21.138537][ T694] __might_resched.cold (kernel/sched/core.c:9234) [ 21.138543][ T694] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 21.138548][ T694] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 21.138554][ T694] __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)) [ 21.138557][ T694] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 21.138566][ T694] ? 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) [ 21.138570][ T694] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 21.138575][ T694] put_chars (drivers/char/virtio_console.c:1176) [ 21.138579][ T694] ? __send_to_port (drivers/char/virtio_console.c:654) [ 21.138581][ T694] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 21.138586][ T694] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 21.138594][ T694] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 21.138605][ T694] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 21.138609][ T694] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.138612][ T694] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.138618][ T694] console_emit_next_record (kernel/printk/printk.c:3183) [ 21.138624][ T694] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 21.138627][ T694] ? 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)) [ 21.138632][ T694] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.138634][ T694] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.138641][ T694] console_flush_one_record (kernel/printk/printk.c:3268) [ 21.138647][ T694] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 21.138650][ T694] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.138658][ T694] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 21.138662][ T694] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 21.138665][ T694] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.138667][ T694] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 21.138673][ T694] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 21.138676][ T694] ? vprintk_emit (kernel/printk/printk.c:2478) [ 21.138680][ T694] vprintk_emit (kernel/printk/printk.c:2479) [ 21.138685][ T694] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 21.138690][ T694] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.138696][ T694] _printk (kernel/printk/printk.c:2504) [ 21.138700][ T694] ? snapshot_read.cold (user.c:?) [ 21.138705][ T694] ? 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) [ 21.138708][ T694] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 21.138714][ T694] ? 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) [ 21.138719][ T694] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 21.138723][ T694] ? exit_notify (kernel/exit.c:780) [ 21.138726][ T694] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 21.138730][ T694] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.138736][ T694] do_group_exit (kernel/exit.c:1151) [ 21.138748][ T694] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 21.138751][ T694] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 21.138754][ T694] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 21.138759][ T694] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 21.138763][ T694] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 21.138767][ T694] RIP: 0033:0x7f1f0d9081b8 [ 21.138770][ T694] Code: Unable to access opcode bytes at 0x7f1f0d90818e. Code starting with the faulting instruction =========================================== [ 21.138771][ T694] RSP: 002b:00007ffc365ed5e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 21.138774][ T694] RAX: ffffffffffffffda RBX: 00007f1f0da38f88 RCX: 00007f1f0d9081b8 [ 21.138776][ T694] RDX: 00007f1f0d72ca48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 21.138778][ T694] RBP: 00007ffc365ed640 R08: 00000000ffffffff R09: 0000000000000020 [ 21.138779][ T694] R10: 00007ffc365ed460 R11: 0000000000000246 R12: 0000000000000004 [ 21.138780][ T694] R13: 0000000000000000 R14: 00007f1f0da37680 R15: 00007f1f0da38fa0 | [ 22.623348][ T769] softirqs last disabled at (27877): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 22.623351][ T769] Preemption disabled at: | [ 22.623351][ T769] 0x0 | [ 22.623362][ T769] Tainted: [W]=WARN [ 22.623363][ T769] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 22.623364][ T769] Call Trace: [ 22.623366][ T769] [ 22.623368][ T769] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 22.623374][ T769] __might_resched.cold (kernel/sched/core.c:9234) [ 22.623379][ T769] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 22.623382][ T769] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 22.623387][ T769] __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)) [ 22.623389][ T769] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 22.623396][ T769] ? 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) [ 22.623399][ T769] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 22.623402][ T769] put_chars (drivers/char/virtio_console.c:1176) [ 22.623405][ T769] ? __send_to_port (drivers/char/virtio_console.c:654) [ 22.623406][ T769] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 22.623410][ T769] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 22.623415][ T769] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 22.623423][ T769] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 22.623425][ T769] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.623427][ T769] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.623431][ T769] console_emit_next_record (kernel/printk/printk.c:3183) [ 22.623435][ T769] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 22.623437][ T769] ? 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)) [ 22.623440][ T769] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.623442][ T769] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.623446][ T769] console_flush_one_record (kernel/printk/printk.c:3268) [ 22.623450][ T769] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 22.623452][ T769] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.623457][ T769] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 22.623460][ T769] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 22.623462][ T769] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.623464][ T769] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 22.623467][ T769] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 22.623469][ T769] ? vprintk_emit (kernel/printk/printk.c:2478) [ 22.623472][ T769] vprintk_emit (kernel/printk/printk.c:2479) [ 22.623475][ T769] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 22.623478][ T769] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.623481][ T769] _printk (kernel/printk/printk.c:2504) [ 22.623485][ T769] ? snapshot_read.cold (user.c:?) [ 22.623488][ T769] ? 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) [ 22.623490][ T769] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 22.623494][ T769] ? 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) [ 22.623497][ T769] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 22.623501][ T769] ? exit_notify (kernel/exit.c:780) [ 22.623502][ T769] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 22.623505][ T769] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.623508][ T769] do_group_exit (kernel/exit.c:1151) [ 22.623511][ T769] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 22.623513][ T769] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 22.623515][ T769] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 22.623519][ T769] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 22.623522][ T769] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 22.623524][ T769] RIP: 0033:0x7fa7b37a51b8 [ 22.623526][ T769] Code: Unable to access opcode bytes at 0x7fa7b37a518e. Code starting with the faulting instruction =========================================== [ 22.623527][ T769] RSP: 002b:00007ffde429b7d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 22.623529][ T769] RAX: ffffffffffffffda RBX: 00007fa7b38d5f88 RCX: 00007fa7b37a51b8 [ 22.623531][ T769] RDX: 00007fa7b34f0588 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 22.623532][ T769] RBP: 00007ffde429b830 R08: 0000000000000000 R09: 0000000000000000 [ 22.623533][ T769] R10: 00007ffde429b5d0 R11: 0000000000000246 R12: 0000000000000001 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