====================================== | [ 13.049663][ T168] softirqs last disabled at (4338826): release_sock (./include/linux/spinlock.h:353 net/core/sock.c:3858) | [ 13.049667][ T168] Preemption disabled at: | [ 13.049667][ T168] 0x0 | [ 13.049678][ T168] Tainted: [W]=WARN [ 13.049679][ T168] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.049681][ T168] Call Trace: [ 13.049682][ T168] [ 13.049684][ T168] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.049690][ T168] __might_resched.cold (kernel/sched/core.c:9234) [ 13.049694][ T168] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.049698][ T168] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 13.049703][ T168] __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)) [ 13.049706][ T168] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.049712][ T168] ? 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) [ 13.049715][ T168] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.049718][ T168] put_chars (drivers/char/virtio_console.c:1176) [ 13.049721][ T168] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.049723][ T168] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 13.049727][ T168] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 13.049732][ T168] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.049739][ T168] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.049742][ T168] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.049744][ T168] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.049748][ T168] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.049752][ T168] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.049754][ T168] ? 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)) [ 13.049756][ T168] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.049758][ T168] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.049763][ T168] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.049766][ T168] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.049768][ T168] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.049773][ T168] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.049775][ T168] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.049777][ T168] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.049778][ T168] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 13.049782][ T168] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.049784][ T168] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.049787][ T168] vprintk_emit (kernel/printk/printk.c:2479) [ 13.049790][ T168] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.049791][ T168] ? 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) [ 13.049794][ T168] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.049798][ T168] _printk (kernel/printk/printk.c:2504) [ 13.049802][ T168] ? snapshot_read.cold (user.c:?) [ 13.049804][ T168] ? 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) [ 13.049807][ T168] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 13.049811][ T168] ? 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) [ 13.049814][ T168] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 13.049817][ T168] ? exit_notify (kernel/exit.c:780) [ 13.049819][ T168] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.049821][ T168] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.049826][ T168] do_group_exit (kernel/exit.c:1151) [ 13.049829][ T168] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 13.049830][ T168] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 13.049833][ T168] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 13.049837][ T168] ? irq_exit_rcu (kernel/softirq.c:786) [ 13.049840][ T168] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 13.049842][ T168] RIP: 0033:0x479678 [ 13.049844][ T168] Code: Unable to access opcode bytes at 0x47964e. Code starting with the faulting instruction =========================================== [ 13.049845][ T168] RSP: 002b:00007ffc82fdc508 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 13.049848][ T168] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000479678 [ 13.049849][ T168] RDX: 000000000df78708 RSI: fffffffffffffff0 RDI: 0000000000000000 [ 13.049850][ T168] RBP: 00007ffc82fdc560 R08: 0000000000000000 R09: 000000000df793e0 [ 13.049851][ T168] R10: 0000000000000110 R11: 0000000000000246 R12: 00007ffc82fdc698 [ 13.049852][ T168] R13: 00007ffc82fdc720 R14: 0000000000000000 R15: 000000000054d560 | [ 16.434013][ T207] softirqs last disabled at (3760585): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 16.434016][ T207] Preemption disabled at: | [ 16.434017][ T207] 0x0 | [ 16.434027][ T207] Tainted: [W]=WARN [ 16.434028][ T207] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.434030][ T207] Call Trace: [ 16.434031][ T207] [ 16.434033][ T207] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 16.434038][ T207] __might_resched.cold (kernel/sched/core.c:9234) [ 16.434042][ T207] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 16.434046][ T207] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 16.434051][ T207] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 16.434053][ T207] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.434059][ T207] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 16.434062][ T207] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.434066][ T207] put_chars (drivers/char/virtio_console.c:1176) [ 16.434069][ T207] ? __send_to_port (drivers/char/virtio_console.c:654) [ 16.434070][ T207] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 16.434074][ T207] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 16.434080][ T207] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 16.434086][ T207] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 16.434088][ T207] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.434090][ T207] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.434095][ T207] console_emit_next_record (kernel/printk/printk.c:3183) [ 16.434098][ T207] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 16.434099][ T207] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 16.434102][ T207] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.434103][ T207] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.434107][ T207] console_flush_one_record (kernel/printk/printk.c:3268) [ 16.434111][ T207] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 16.434112][ T207] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.434117][ T207] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 16.434120][ T207] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 16.434121][ T207] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.434123][ T207] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 16.434126][ T207] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 16.434128][ T207] ? vprintk_emit (kernel/printk/printk.c:2478) [ 16.434131][ T207] vprintk_emit (kernel/printk/printk.c:2479) [ 16.434134][ T207] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 16.434135][ T207] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 16.434139][ T207] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.434142][ T207] _printk (kernel/printk/printk.c:2504) [ 16.434146][ T207] ? snapshot_read.cold (user.c:?) [ 16.434149][ T207] ? 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) [ 16.434151][ T207] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 16.434155][ T207] ? 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) [ 16.434158][ T207] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 16.434161][ T207] ? exit_notify (kernel/exit.c:780) [ 16.434163][ T207] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.434165][ T207] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.434169][ T207] do_group_exit (kernel/exit.c:1151) [ 16.434172][ T207] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 16.434174][ T207] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 16.434177][ T207] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 16.434181][ T207] ? irq_exit_rcu (kernel/softirq.c:786) [ 16.434183][ T207] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 16.434185][ T207] RIP: 0033:0x479678 [ 16.434188][ T207] Code: Unable to access opcode bytes at 0x47964e. Code starting with the faulting instruction =========================================== [ 16.434189][ T207] RSP: 002b:00007ffe5b4a3578 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 16.434191][ T207] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000479678 [ 16.434192][ T207] RDX: 0000000020b46708 RSI: fffffffffffffff0 RDI: 0000000000000000 [ 16.434193][ T207] RBP: 00007ffe5b4a35d0 R08: 0000000000000000 R09: 0000000020b473e0 [ 16.434194][ T207] R10: 0000000000000110 R11: 0000000000000246 R12: 00007ffe5b4a3708 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print release_sock:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print