====================================== | [ 10.756856][ T187] softirqs last disabled at (36883): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.756858][ T187] Preemption disabled at: | [ 10.756859][ T187] 0x0 | [ 10.756869][ T187] Tainted: [W]=WARN [ 10.756870][ T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.756872][ T187] Call Trace: [ 10.756874][ T187] [ 10.756875][ T187] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.756881][ T187] __might_resched.cold (kernel/sched/core.c:9234) [ 10.756886][ T187] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.756890][ 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) [ 10.756896][ 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)) [ 10.756898][ T187] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.756904][ 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) [ 10.756907][ T187] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.756910][ T187] put_chars (drivers/char/virtio_console.c:1176) [ 10.756913][ T187] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.756914][ T187] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.756919][ T187] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.756924][ T187] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.756930][ T187] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.756933][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.756935][ T187] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.756939][ T187] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.756943][ T187] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.756945][ 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)) [ 10.756948][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.756950][ T187] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.756954][ T187] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.756959][ T187] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.756960][ T187] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.756966][ T187] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.756969][ T187] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.756970][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.756973][ T187] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.756977][ T187] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.756978][ T187] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.756982][ T187] vprintk_emit (kernel/printk/printk.c:2479) [ 10.756986][ T187] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.756989][ T187] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.756993][ T187] _printk (kernel/printk/printk.c:2504) [ 10.756997][ T187] ? snapshot_read.cold (user.c:?) [ 10.757000][ 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) [ 10.757003][ T187] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.757007][ 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) [ 10.757009][ T187] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.757013][ T187] ? exit_notify (kernel/exit.c:780) [ 10.757015][ T187] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.757018][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.757022][ T187] do_group_exit (kernel/exit.c:1151) [ 10.757025][ T187] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.757027][ T187] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.757029][ T187] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.757032][ T187] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.757035][ T187] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.757038][ T187] RIP: 0033:0x7fe7ed6801b8 [ 10.757041][ T187] Code: Unable to access opcode bytes at 0x7fe7ed68018e. Code starting with the faulting instruction =========================================== [ 10.757043][ T187] RSP: 002b:00007ffc8c170a68 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.757046][ T187] RAX: ffffffffffffffda RBX: 00007fe7ed7b0f88 RCX: 00007fe7ed6801b8 [ 10.757047][ T187] RDX: 00007fe7ed3cafc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.757048][ T187] RBP: 00007ffc8c170ac0 R08: 0000000000000000 R09: 0000000000008010 [ 10.757049][ T187] R10: 00007ffc8c170880 R11: 0000000000000246 R12: 0000000000000001 [ 10.757050][ T187] R13: 0000000000000000 R14: 00007fe7ed7af680 R15: 00007fe7ed7b0fa0 | [ 11.760626][ T223] softirqs last disabled at (27065): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 11.760628][ T223] Preemption disabled at: | [ 11.760629][ T223] vprintk_emit (kernel/printk/printk.c:2471) | [ 11.760638][ T223] Tainted: [W]=WARN [ 11.760639][ T223] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.760641][ T223] Call Trace: [ 11.760643][ T223] [ 11.760645][ T223] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.760650][ T223] ? vprintk_emit (kernel/printk/printk.c:2471) [ 11.760653][ T223] __might_resched.cold (kernel/sched/core.c:9234) [ 11.760657][ T223] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.760661][ T223] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.760666][ T223] __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)) [ 11.760668][ T223] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.760674][ T223] ? 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) [ 11.760677][ T223] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.760680][ T223] put_chars (drivers/char/virtio_console.c:1176) [ 11.760683][ T223] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.760684][ T223] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.760689][ T223] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.760691][ T223] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.760696][ T223] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.760699][ T223] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.760704][ T223] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.760706][ T223] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.760711][ T223] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.760715][ T223] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.760717][ T223] ? 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)) [ 11.760720][ T223] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.760723][ T223] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.760727][ T223] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.760731][ T223] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.760733][ T223] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.760738][ T223] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.760741][ T223] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.760743][ T223] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.760745][ T223] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 11.760749][ T223] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.760750][ T223] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.760754][ T223] vprintk_emit (kernel/printk/printk.c:2479) [ 11.760758][ T223] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.760763][ T223] ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q [ 11.760767][ T223] _printk (kernel/printk/printk.c:2504) [ 11.760771][ T223] ? snapshot_read.cold (user.c:?) [ 11.760778][ T223] ? 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) [ 11.760781][ T223] vlan_proto_init (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) ./include/net/netns/generic.h:45 (discriminator 2)) 8021q [ 11.760784][ T223] do_one_initcall (init/main.c:1357) [ 11.760787][ T223] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 11.760792][ T223] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 11.760795][ T223] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 11.760800][ T223] do_init_module (kernel/module/main.c:3117) [ 11.760803][ T223] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 11.760808][ T223] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 11.760811][ T223] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 11.760815][ T223] load_module (kernel/module/main.c:3593) [ 11.760823][ T223] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 11.760827][ T223] ? __ia32_sys_fsconfig (??:?) [ 11.760830][ T223] ? ovl_real_file (fs/overlayfs/file.c:195) [ 11.760834][ T223] ? backing_file_read_iter (fs/backing-file.c:211) [ 11.760837][ T223] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.760841][ T223] init_module_from_file (kernel/module/main.c:3790) [ 11.760844][ T223] ? __do_sys_init_module (kernel/module/main.c:3664) [ 11.760853][ T223] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.760856][ T223] ? 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) [ 11.760859][ T223] idempotent_init_module (kernel/module/main.c:3802) [ 11.760863][ T223] ? init_module_from_file (kernel/module/main.c:3791) [ 11.760869][ T223] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.760872][ T223] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 11.760878][ T223] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 11.760880][ T223] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 11.760884][ T223] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.760886][ T223] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.760888][ T223] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.760891][ T223] RIP: 0033:0x7f1aee76737d [ 11.760894][ T223] 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 [ 11.760896][ T223] RSP: 002b:00007ffc6099a438 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 11.760899][ T223] RAX: ffffffffffffffda RBX: 000055b176148810 RCX: 00007f1aee76737d [ 11.760900][ T223] RDX: 0000000000000000 RSI: 000055b152eb0ffd RDI: 0000000000000000 [ 11.760901][ T223] RBP: 00007ffc6099a4d0 R08: 0000000000000000 R09: 0000000000000000 [ 11.760902][ T223] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b152eb0ffd [ 11.760903][ T223] R13: 000055b176148960 R14: 0000000000040000 R15: 0000000000000000 | [ 19.128760][ T283] softirqs last disabled at (55738): sk_common_release (./include/net/sock.h:2138 net/core/sock.c:4066) | [ 19.128762][ T283] Preemption disabled at: | [ 19.128763][ T283] 0x0 | [ 19.128774][ T283] Tainted: [W]=WARN [ 19.128775][ T283] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 19.128777][ T283] Call Trace: [ 19.128779][ T283] [ 19.128780][ T283] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 19.128787][ T283] __might_resched.cold (kernel/sched/core.c:9234) [ 19.128792][ T283] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 19.128796][ T283] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 19.128801][ T283] __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)) [ 19.128803][ T283] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.128809][ T283] ? 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) [ 19.128812][ T283] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.128815][ T283] put_chars (drivers/char/virtio_console.c:1176) [ 19.128817][ T283] ? __send_to_port (drivers/char/virtio_console.c:654) [ 19.128819][ T283] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 19.128823][ T283] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 19.128828][ T283] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 19.128834][ T283] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 19.128836][ T283] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.128839][ T283] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.128843][ T283] console_emit_next_record (kernel/printk/printk.c:3183) [ 19.128847][ T283] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 19.128848][ T283] ? 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)) [ 19.128851][ T283] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.128854][ T283] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.128858][ T283] console_flush_one_record (kernel/printk/printk.c:3268) [ 19.128862][ T283] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 19.128863][ T283] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.128868][ T283] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 19.128871][ T283] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 19.128873][ T283] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.128875][ T283] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 19.128879][ T283] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 19.128881][ T283] ? vprintk_emit (kernel/printk/printk.c:2478) [ 19.128884][ T283] vprintk_emit (kernel/printk/printk.c:2479) [ 19.128888][ T283] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 19.128892][ T283] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.128895][ T283] _printk (kernel/printk/printk.c:2504) [ 19.128899][ T283] ? snapshot_read.cold (user.c:?) [ 19.128902][ T283] ? 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) [ 19.128905][ T283] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 19.128908][ T283] ? 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) [ 19.128911][ T283] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 19.128914][ T283] ? exit_notify (kernel/exit.c:780) [ 19.128916][ T283] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 19.128919][ T283] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.128923][ T283] do_group_exit (kernel/exit.c:1151) [ 19.128926][ T283] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 19.128927][ T283] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 19.128929][ T283] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 19.128932][ T283] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 19.128935][ T283] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 19.128938][ T283] RIP: 0033:0x7f8c04e041b8 [ 19.128940][ T283] Code: Unable to access opcode bytes at 0x7f8c04e0418e. Code starting with the faulting instruction =========================================== [ 19.128941][ T283] RSP: 002b:00007ffecb0d1568 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 19.128943][ T283] RAX: ffffffffffffffda RBX: 00007f8c04f34f88 RCX: 00007f8c04e041b8 [ 19.128945][ T283] RDX: 00007f8c04b957c8 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 19.128946][ T283] RBP: 00007ffecb0d15c0 R08: 0000000000000000 R09: 0000000000001010 [ 19.128946][ T283] R10: 00007ffecb0d13e0 R11: 0000000000000246 R12: 0000000000000002 [ 19.128947][ T283] R13: 0000000000000000 R14: 00007f8c04f33680 R15: 00007f8c04f34fa0 | [ 20.993100][ T327] softirqs last disabled at (26669): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 20.993102][ T327] Preemption disabled at: | [ 20.993103][ T327] 0x0 | [ 20.993114][ T327] Tainted: [W]=WARN [ 20.993115][ T327] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 20.993117][ T327] Call Trace: [ 20.993119][ T327] [ 20.993120][ T327] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 20.993127][ T327] __might_resched.cold (kernel/sched/core.c:9234) [ 20.993132][ T327] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 20.993136][ T327] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 20.993141][ T327] __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)) [ 20.993143][ T327] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 20.993149][ T327] ? 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) [ 20.993152][ T327] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 20.993155][ T327] put_chars (drivers/char/virtio_console.c:1176) [ 20.993158][ T327] ? __send_to_port (drivers/char/virtio_console.c:654) [ 20.993159][ T327] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 20.993164][ T327] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 20.993170][ T327] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 20.993176][ T327] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 20.993179][ T327] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.993181][ T327] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.993185][ T327] console_emit_next_record (kernel/printk/printk.c:3183) [ 20.993189][ T327] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 20.993191][ T327] ? 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)) [ 20.993194][ T327] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.993197][ T327] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.993201][ T327] console_flush_one_record (kernel/printk/printk.c:3268) [ 20.993205][ T327] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 20.993207][ T327] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.993213][ T327] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 20.993216][ T327] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 20.993218][ T327] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.993220][ T327] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 20.993224][ T327] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 20.993226][ T327] ? vprintk_emit (kernel/printk/printk.c:2478) [ 20.993229][ T327] vprintk_emit (kernel/printk/printk.c:2479) [ 20.993233][ T327] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 20.993237][ T327] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.993240][ T327] _printk (kernel/printk/printk.c:2504) [ 20.993244][ T327] ? snapshot_read.cold (user.c:?) [ 20.993247][ T327] ? 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) [ 20.993250][ T327] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 20.993254][ T327] ? 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) [ 20.993256][ T327] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 20.993260][ T327] ? exit_notify (kernel/exit.c:780) [ 20.993262][ T327] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 20.993265][ T327] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.993269][ T327] do_group_exit (kernel/exit.c:1151) [ 20.993272][ T327] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 20.993274][ T327] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 20.993278][ T327] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 20.993282][ T327] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 20.993286][ T327] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 20.993288][ T327] RIP: 0033:0x7f3b019ec1b8 [ 20.993291][ T327] Code: Unable to access opcode bytes at 0x7f3b019ec18e. Code starting with the faulting instruction =========================================== [ 20.993292][ T327] RSP: 002b:00007ffe0c4c0e48 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 20.993295][ T327] RAX: ffffffffffffffda RBX: 00007f3b01b1cf88 RCX: 00007f3b019ec1b8 [ 20.993296][ T327] RDX: 00007f3b01736fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 20.993298][ T327] RBP: 00007ffe0c4c0ea0 R08: 0000000000000000 R09: 0000000000000050 [ 20.993299][ T327] R10: 00007ffe0c4c0c60 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 sk_common_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print