====================================== | [ 11.241899][ T206] softirqs last disabled at (25743): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 11.241901][ T206] Preemption disabled at: | [ 11.241902][ T206] 0x0 | [ 11.241913][ T206] Tainted: [W]=WARN [ 11.241914][ T206] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.241916][ T206] Call Trace: [ 11.241917][ T206] [ 11.241919][ T206] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.241926][ T206] __might_resched.cold (kernel/sched/core.c:9234) [ 11.241930][ T206] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.241935][ T206] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.241940][ T206] __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)) [ 11.241942][ T206] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.241949][ T206] ? 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) [ 11.241952][ T206] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.241956][ T206] put_chars (drivers/char/virtio_console.c:1176) [ 11.241959][ T206] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.241960][ T206] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.241964][ T206] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.241969][ T206] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.241977][ T206] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.241980][ T206] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.241982][ T206] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.241986][ T206] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.241990][ T206] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.241993][ T206] ? 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)) [ 11.241996][ T206] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.241998][ T206] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.242002][ T206] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.242006][ T206] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.242008][ T206] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.242014][ T206] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.242017][ T206] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.242018][ T206] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.242020][ T206] ? 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) [ 11.242024][ T206] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.242026][ T206] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.242029][ T206] vprintk_emit (kernel/printk/printk.c:2479) [ 11.242032][ T206] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.242035][ T206] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.242039][ T206] _printk (kernel/printk/printk.c:2504) [ 11.242042][ T206] ? snapshot_read.cold (user.c:?) [ 11.242045][ T206] ? 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) [ 11.242048][ T206] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.242052][ T206] ? 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) [ 11.242055][ T206] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 11.242059][ T206] ? exit_notify (kernel/exit.c:780) [ 11.242060][ T206] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.242063][ T206] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.242067][ T206] do_group_exit (kernel/exit.c:1151) [ 11.242070][ T206] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 11.242072][ T206] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 11.242074][ T206] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.242079][ T206] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.242082][ T206] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.242084][ T206] RIP: 0033:0x7f22446f91b8 [ 11.242086][ T206] Code: Unable to access opcode bytes at 0x7f22446f918e. Code starting with the faulting instruction =========================================== [ 11.242088][ T206] RSP: 002b:00007ffd1d7fbea8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.242090][ T206] RAX: ffffffffffffffda RBX: 00007f2244829f88 RCX: 00007f22446f91b8 [ 11.242092][ T206] RDX: 00007f2244443fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 11.242092][ T206] RBP: 00007ffd1d7fbf00 R08: 0000000000000000 R09: 0000000000000050 [ 11.242093][ T206] R10: 00007ffd1d7fbcc0 R11: 0000000000000246 R12: 0000000000000001 [ 11.242094][ T206] R13: 0000000000000000 R14: 00007f2244828680 R15: 00007f2244829fa0 | [ 14.042373][ T269] softirqs last disabled at (20067): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 14.042377][ T269] Preemption disabled at: | [ 14.042377][ T269] vprintk_emit (kernel/printk/printk.c:2471) | [ 14.042390][ T269] Tainted: [W]=WARN [ 14.042391][ T269] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.042394][ T269] Call Trace: [ 14.042396][ T269] [ 14.042400][ T269] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.042408][ T269] ? vprintk_emit (kernel/printk/printk.c:2471) [ 14.042411][ T269] __might_resched.cold (kernel/sched/core.c:9234) [ 14.042417][ T269] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.042422][ 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) [ 14.042429][ 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)) [ 14.042432][ T269] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.042441][ 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) [ 14.042445][ T269] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.042451][ T269] put_chars (drivers/char/virtio_console.c:1176) [ 14.042454][ T269] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 14.042458][ T269] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.042463][ T269] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.042473][ T269] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.042481][ T269] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.042486][ T269] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.042489][ T269] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.042497][ T269] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.042500][ T269] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 14.042505][ T269] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.042509][ T269] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.042516][ T269] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.042523][ T269] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.042525][ 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)) [ 14.042531][ T269] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.042534][ T269] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.042541][ T269] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.042548][ T269] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.042551][ T269] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.042560][ T269] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.042564][ T269] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.042567][ T269] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.042570][ 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) [ 14.042576][ T269] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.042579][ T269] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.042584][ T269] vprintk_emit (kernel/printk/printk.c:2479) [ 14.042590][ T269] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.042599][ T269] ? nft_chain_route_fini (net/netfilter/nf_tables_core.c:150 net/netfilter/nf_tables_core.c:284) nf_tables [ 14.042612][ T269] _printk (kernel/printk/printk.c:2504) [ 14.042617][ T269] ? snapshot_read.cold (user.c:?) [ 14.042628][ T269] ? 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) [ 14.042633][ T269] xfrm_user_init (xfrm_user.mod.c:?) xfrm_user [ 14.042638][ T269] do_one_initcall (init/main.c:1357) [ 14.042643][ T269] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 14.042651][ T269] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 14.042654][ T269] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 14.042663][ T269] do_init_module (kernel/module/main.c:3117) [ 14.042669][ T269] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 14.042674][ T269] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 14.042679][ T269] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 14.042685][ T269] load_module (kernel/module/main.c:3593) [ 14.042695][ T269] ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11)) [ 14.042702][ T269] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 14.042710][ T269] ? backing_file_read_iter (fs/backing-file.c:211) [ 14.042716][ T269] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.042722][ T269] init_module_from_file (kernel/module/main.c:3790) [ 14.042727][ T269] ? __do_sys_init_module (kernel/module/main.c:3664) [ 14.042741][ T269] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 14.042747][ 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) [ 14.042753][ T269] idempotent_init_module (kernel/module/main.c:3802) [ 14.042758][ T269] ? init_module_from_file (kernel/module/main.c:3791) [ 14.042768][ T269] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 14.042772][ T269] ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769) [ 14.042781][ T269] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 14.042784][ T269] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 14.042790][ T269] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 14.042794][ T269] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 14.042798][ T269] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 14.042802][ T269] RIP: 0033:0x7fcc0197237d [ 14.042807][ T269] 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 [ 14.042810][ T269] RSP: 002b:00007ffe981e8c28 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 14.042814][ T269] RAX: ffffffffffffffda RBX: 000055db83b05810 RCX: 00007fcc0197237d [ 14.042816][ T269] RDX: 0000000000000000 RSI: 000055db5948effd RDI: 0000000000000000 [ 14.042817][ T269] RBP: 00007ffe981e8cc0 R08: 0000000000000000 R09: 0000000000000000 [ 14.042819][ T269] R10: 0000000000000000 R11: 0000000000000246 R12: 000055db5948effd [ 14.042820][ T269] R13: 000055db83b05960 R14: 0000000000040000 R15: 0000000000000000 | [ 25.829061][ T542] softirqs last disabled at (34137): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 25.829063][ T542] Preemption disabled at: | [ 25.829064][ T542] 0x0 | [ 25.829075][ T542] Tainted: [W]=WARN [ 25.829075][ T542] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 25.829077][ T542] Call Trace: [ 25.829079][ T542] [ 25.829080][ T542] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 25.829087][ T542] __might_resched.cold (kernel/sched/core.c:9234) [ 25.829092][ T542] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 25.829096][ T542] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 25.829100][ T542] __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)) [ 25.829102][ T542] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 25.829109][ T542] ? 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) [ 25.829112][ T542] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 25.829116][ T542] put_chars (drivers/char/virtio_console.c:1176) [ 25.829119][ T542] ? __send_to_port (drivers/char/virtio_console.c:654) [ 25.829120][ T542] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 25.829124][ T542] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 25.829129][ T542] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 25.829137][ T542] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 25.829140][ T542] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.829142][ T542] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.829146][ T542] console_emit_next_record (kernel/printk/printk.c:3183) [ 25.829150][ T542] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 25.829152][ T542] ? 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)) [ 25.829155][ T542] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.829157][ T542] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.829161][ T542] console_flush_one_record (kernel/printk/printk.c:3268) [ 25.829166][ T542] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 25.829168][ T542] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.829173][ T542] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 25.829176][ T542] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 25.829178][ T542] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.829180][ T542] ? 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) [ 25.829184][ T542] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 25.829186][ T542] ? vprintk_emit (kernel/printk/printk.c:2478) [ 25.829188][ T542] vprintk_emit (kernel/printk/printk.c:2479) [ 25.829192][ T542] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 25.829195][ T542] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.829198][ T542] _printk (kernel/printk/printk.c:2504) [ 25.829202][ T542] ? snapshot_read.cold (user.c:?) [ 25.829205][ T542] ? 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) [ 25.829208][ T542] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 25.829212][ T542] ? 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) [ 25.829215][ T542] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 25.829219][ T542] ? exit_notify (kernel/exit.c:780) [ 25.829220][ T542] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.829223][ T542] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.829226][ T542] do_group_exit (kernel/exit.c:1151) [ 25.829230][ T542] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 25.829232][ T542] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 25.829234][ T542] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 25.829238][ T542] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 25.829241][ T542] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 25.829244][ T542] RIP: 0033:0x7f44ec2521b8 [ 25.829246][ T542] Code: Unable to access opcode bytes at 0x7f44ec25218e. Code starting with the faulting instruction =========================================== [ 25.829247][ T542] RSP: 002b:00007ffc58c68dd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 25.829249][ T542] RAX: ffffffffffffffda RBX: 00007f44ec382f88 RCX: 00007f44ec2521b8 [ 25.829251][ T542] RDX: 00007f44ebf9cfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 25.829252][ T542] RBP: 00007ffc58c68e30 R08: 0000000000000000 R09: 0000000000000000 [ 25.829253][ T542] R10: 00007ffc58c68bf0 R11: 0000000000000246 R12: 0000000000000001 [ 25.829253][ T542] R13: 0000000000000000 R14: 00007f44ec381680 R15: 00007f44ec382fa0 | [ 122.769790][ T1925] softirqs last disabled at (45649): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 122.769793][ T1925] Preemption disabled at: | [ 122.769794][ T1925] 0x0 | [ 122.769807][ T1925] Tainted: [W]=WARN [ 122.769809][ T1925] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 122.769811][ T1925] Call Trace: [ 122.769813][ T1925] [ 122.769815][ T1925] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 122.769823][ T1925] __might_resched.cold (kernel/sched/core.c:9234) [ 122.769829][ T1925] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 122.769835][ T1925] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 122.769841][ T1925] __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)) [ 122.769845][ T1925] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 122.769854][ T1925] ? 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) [ 122.769857][ T1925] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 122.769863][ T1925] put_chars (drivers/char/virtio_console.c:1176) [ 122.769867][ T1925] ? __send_to_port (drivers/char/virtio_console.c:654) [ 122.769869][ T1925] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 122.769874][ T1925] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 122.769883][ T1925] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 122.769895][ T1925] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 122.769899][ T1925] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.769902][ T1925] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 122.769909][ T1925] console_emit_next_record (kernel/printk/printk.c:3183) [ 122.769915][ T1925] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 122.769918][ T1925] ? 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)) [ 122.769923][ T1925] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.769925][ T1925] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 122.769932][ T1925] console_flush_one_record (kernel/printk/printk.c:3268) [ 122.769939][ T1925] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 122.769941][ T1925] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 122.769951][ T1925] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 122.769955][ T1925] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 122.769958][ T1925] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.769960][ T1925] ? 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) [ 122.769966][ T1925] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 122.769969][ T1925] ? vprintk_emit (kernel/printk/printk.c:2478) [ 122.769973][ T1925] vprintk_emit (kernel/printk/printk.c:2479) [ 122.769978][ T1925] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 122.769983][ T1925] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 122.769990][ T1925] _printk (kernel/printk/printk.c:2504) [ 122.769995][ T1925] ? snapshot_read.cold (user.c:?) [ 122.769999][ T1925] ? 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) [ 122.770003][ T1925] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 122.770010][ T1925] ? 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) [ 122.770014][ T1925] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 122.770019][ T1925] ? exit_notify (kernel/exit.c:780) [ 122.770021][ T1925] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 122.770026][ T1925] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 122.770032][ T1925] do_group_exit (kernel/exit.c:1151) [ 122.770037][ T1925] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 122.770040][ T1925] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 122.770043][ T1925] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 122.770048][ T1925] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 122.770052][ T1925] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 122.770055][ T1925] RIP: 0033:0x7fe90572f1b8 [ 122.770058][ T1925] Code: Unable to access opcode bytes at 0x7fe90572f18e. Code starting with the faulting instruction =========================================== [ 122.770060][ T1925] RSP: 002b:00007ffc9ebe17d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 122.770063][ T1925] RAX: ffffffffffffffda RBX: 00007fe90585ff88 RCX: 00007fe90572f1b8 [ 122.770065][ T1925] RDX: 00007fe90566e888 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 122.770066][ T1925] RBP: 00007ffc9ebe1830 R08: 0000000000000000 R09: 0000000000000020 [ 122.770068][ T1925] R10: 00007ffc9ebe1650 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