====================================== | [ 8.688434][ T175] softirqs last disabled at (27841): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 8.688436][ T175] Preemption disabled at: | [ 8.688437][ T175] 0x0 | [ 8.688447][ T175] Tainted: [W]=WARN [ 8.688447][ T175] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8.688449][ T175] Call Trace: [ 8.688450][ T175] [ 8.688452][ T175] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 8.688457][ T175] __might_resched.cold (kernel/sched/core.c:9234) [ 8.688462][ T175] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 8.688465][ T175] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 8.688471][ T175] __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)) [ 8.688473][ T175] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 8.688479][ T175] ? 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) [ 8.688481][ T175] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 8.688485][ T175] put_chars (drivers/char/virtio_console.c:1176) [ 8.688488][ T175] ? __send_to_port (drivers/char/virtio_console.c:654) [ 8.688490][ T175] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 8.688493][ T175] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 8.688496][ T175] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 8.688501][ T175] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 8.688505][ T175] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.688507][ T175] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.688511][ T175] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 8.688515][ T175] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.688517][ T175] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.688521][ T175] console_emit_next_record (kernel/printk/printk.c:3183) [ 8.688525][ T175] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 8.688528][ T175] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.688530][ T175] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.688534][ T175] console_flush_one_record (kernel/printk/printk.c:3268) [ 8.688538][ T175] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 8.688539][ T175] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.688544][ T175] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 8.688547][ T175] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 8.688548][ T175] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.688550][ T175] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 8.688554][ T175] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 8.688555][ T175] ? vprintk_emit (kernel/printk/printk.c:2478) [ 8.688558][ T175] vprintk_emit (kernel/printk/printk.c:2479) [ 8.688561][ T175] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 8.688564][ T175] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.688568][ T175] _printk (kernel/printk/printk.c:2504) [ 8.688572][ T175] ? snapshot_read.cold (user.c:?) [ 8.688574][ T175] ? 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) [ 8.688576][ T175] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 8.688580][ T175] ? 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) [ 8.688582][ T175] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 8.688586][ T175] ? exit_notify (kernel/exit.c:780) [ 8.688587][ T175] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 8.688590][ T175] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.688593][ T175] do_group_exit (kernel/exit.c:1151) [ 8.688596][ T175] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 8.688598][ T175] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 8.688601][ T175] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 8.688604][ T175] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 8.688607][ T175] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 8.688609][ T175] RIP: 0033:0x7f097a0d81b8 [ 8.688613][ T175] Code: Unable to access opcode bytes at 0x7f097a0d818e. Code starting with the faulting instruction =========================================== [ 8.688614][ T175] RSP: 002b:00007fff99a1c078 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 8.688617][ T175] RAX: ffffffffffffffda RBX: 00007f097a208f88 RCX: 00007f097a0d81b8 [ 8.688618][ T175] RDX: 00007f0979e22fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 8.688619][ T175] RBP: 00007fff99a1c0d0 R08: 0000000000000000 R09: 0000000000000050 [ 8.688620][ T175] R10: 00007fff99a1be90 R11: 0000000000000246 R12: 0000000000000001 [ 8.688620][ T175] R13: 0000000000000000 R14: 00007f097a207680 R15: 00007f097a208fa0 | [ 10.117011][ T214] softirqs last disabled at (35092): sk_common_release (./include/net/sock.h:2138 net/core/sock.c:4066) | [ 10.117013][ T214] Preemption disabled at: | [ 10.117014][ T214] 0x0 | [ 10.117024][ T214] Tainted: [W]=WARN [ 10.117025][ T214] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.117027][ T214] Call Trace: [ 10.117028][ T214] [ 10.117030][ T214] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.117035][ T214] __might_resched.cold (kernel/sched/core.c:9234) [ 10.117040][ T214] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.117043][ T214] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.117048][ T214] __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)) [ 10.117051][ T214] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.117057][ T214] ? 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) [ 10.117059][ T214] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.117063][ T214] put_chars (drivers/char/virtio_console.c:1176) [ 10.117066][ T214] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.117068][ T214] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 10.117071][ T214] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.117074][ T214] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.117079][ T214] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.117083][ T214] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.117085][ T214] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.117089][ T214] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.117093][ T214] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.117095][ T214] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.117099][ T214] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.117103][ T214] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.117107][ T214] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.117108][ T214] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.117112][ T214] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.117116][ T214] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.117118][ T214] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.117130][ T214] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.117132][ T214] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.117134][ T214] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.117135][ T214] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.117139][ T214] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.117141][ T214] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.117144][ T214] vprintk_emit (kernel/printk/printk.c:2479) [ 10.117147][ T214] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.117150][ T214] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.117154][ T214] _printk (kernel/printk/printk.c:2504) [ 10.117158][ T214] ? snapshot_read.cold (user.c:?) [ 10.117160][ T214] ? 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) [ 10.117162][ T214] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.117166][ T214] ? 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) [ 10.117168][ T214] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.117172][ T214] ? exit_notify (kernel/exit.c:780) [ 10.117173][ T214] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.117176][ T214] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.117180][ T214] do_group_exit (kernel/exit.c:1151) [ 10.117183][ T214] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.117185][ T214] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.117187][ T214] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.117190][ T214] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.117193][ T214] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.117195][ T214] RIP: 0033:0x7f91b46ca1b8 [ 10.117197][ T214] Code: Unable to access opcode bytes at 0x7f91b46ca18e. Code starting with the faulting instruction =========================================== [ 10.117198][ T214] RSP: 002b:00007ffd56a46ae8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.117201][ T214] RAX: ffffffffffffffda RBX: 00007f91b47faf88 RCX: 00007f91b46ca1b8 [ 10.117202][ T214] RDX: 00007f91b445b7c8 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 10.117203][ T214] RBP: 00007ffd56a46b40 R08: 0000000000000000 R09: 0000000000001010 [ 10.117204][ T214] R10: 00007ffd56a46960 R11: 0000000000000246 R12: 0000000000000002 Finger prints: __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