====================================== | [ 9.945997][ T174] softirqs last disabled at (21559): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.946000][ T174] Preemption disabled at: | [ 9.946001][ T174] 0x0 | [ 9.946014][ T174] Tainted: [W]=WARN [ 9.946016][ T174] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.946018][ T174] Call Trace: [ 9.946020][ T174] [ 9.946022][ T174] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.946030][ T174] __might_resched.cold (kernel/sched/core.c:9234) [ 9.946036][ T174] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.946042][ T174] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.946048][ T174] __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)) [ 9.946052][ T174] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.946061][ T174] ? 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) [ 9.946064][ T174] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.946069][ T174] put_chars (drivers/char/virtio_console.c:1176) [ 9.946074][ T174] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.946077][ T174] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.946083][ T174] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.946092][ T174] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.946103][ T174] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.946107][ T174] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.946111][ T174] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.946117][ T174] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.946123][ T174] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.946125][ T174] ? 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)) [ 9.946129][ T174] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.946133][ T174] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.946139][ T174] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.946145][ T174] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.946147][ T174] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.946155][ T174] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.946159][ T174] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.946161][ T174] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.946164][ T174] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.946169][ T174] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.946171][ T174] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.946176][ T174] vprintk_emit (kernel/printk/printk.c:2479) [ 9.946182][ T174] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.946187][ T174] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.946193][ T174] _printk (kernel/printk/printk.c:2504) [ 9.946197][ T174] ? snapshot_read.cold (user.c:?) [ 9.946201][ T174] ? 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) [ 9.946205][ T174] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.946215][ T174] ? 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) [ 9.946219][ T174] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.946225][ T174] ? exit_notify (kernel/exit.c:780) [ 9.946227][ T174] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.946231][ T174] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.946238][ T174] do_group_exit (kernel/exit.c:1151) [ 9.946243][ T174] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.946247][ T174] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.946250][ T174] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.946254][ T174] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.946259][ T174] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.946262][ T174] RIP: 0033:0x7f47acc621b8 [ 9.946265][ T174] Code: Unable to access opcode bytes at 0x7f47acc6218e. Code starting with the faulting instruction =========================================== [ 9.946267][ T174] RSP: 002b:00007ffc5a851cd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.946270][ T174] RAX: ffffffffffffffda RBX: 00007f47acd92f88 RCX: 00007f47acc621b8 [ 9.946272][ T174] RDX: 00007f47ac9abb48 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.946274][ T174] RBP: 00007ffc5a851d30 R08: 0000000000000000 R09: 0000000000000d15 [ 9.946275][ T174] R10: 00007ffc5a851af0 R11: 0000000000000246 R12: 0000000000000001 [ 9.946276][ T174] R13: 0000000000000000 R14: 00007f47acd91680 R15: 00007f47acd92fa0 | [ 22.286075][ T463] softirqs last disabled at (32560): release_sock (./include/linux/spinlock.h:353 net/core/sock.c:3858) | [ 22.286080][ T463] Preemption disabled at: | [ 22.286080][ T463] 0x0 | [ 22.286091][ T463] Tainted: [W]=WARN [ 22.286092][ T463] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 22.286093][ T463] Call Trace: [ 22.286095][ T463] [ 22.286097][ T463] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 22.286103][ T463] __might_resched.cold (kernel/sched/core.c:9234) [ 22.286108][ T463] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 22.286112][ T463] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 22.286117][ T463] __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)) [ 22.286119][ T463] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 22.286125][ T463] ? 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) [ 22.286128][ T463] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 22.286131][ T463] put_chars (drivers/char/virtio_console.c:1176) [ 22.286135][ T463] ? __send_to_port (drivers/char/virtio_console.c:654) [ 22.286137][ T463] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 22.286141][ T463] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 22.286147][ T463] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 22.286154][ T463] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 22.286157][ T463] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.286159][ T463] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.286163][ T463] console_emit_next_record (kernel/printk/printk.c:3183) [ 22.286167][ T463] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 22.286169][ T463] ? 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)) [ 22.286172][ T463] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.286174][ T463] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.286178][ T463] console_flush_one_record (kernel/printk/printk.c:3268) [ 22.286182][ T463] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 22.286183][ T463] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.286189][ T463] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 22.286191][ T463] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 22.286193][ T463] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.286195][ T463] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 22.286199][ T463] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 22.286200][ T463] ? vprintk_emit (kernel/printk/printk.c:2478) [ 22.286204][ T463] vprintk_emit (kernel/printk/printk.c:2479) [ 22.286210][ T463] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 22.286212][ T463] ? 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) [ 22.286215][ T463] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.286218][ T463] _printk (kernel/printk/printk.c:2504) [ 22.286222][ T463] ? snapshot_read.cold (user.c:?) [ 22.286225][ T463] ? 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) [ 22.286227][ T463] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 22.286231][ T463] ? 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) [ 22.286234][ T463] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 22.286237][ T463] ? exit_notify (kernel/exit.c:780) [ 22.286239][ T463] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 22.286242][ T463] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.286246][ T463] do_group_exit (kernel/exit.c:1151) [ 22.286249][ T463] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 22.286252][ T463] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 22.286254][ T463] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 22.286256][ T463] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 22.286260][ T463] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 22.286262][ T463] RIP: 0033:0x7f95527791b8 [ 22.286264][ T463] Code: Unable to access opcode bytes at 0x7f955277918e. Code starting with the faulting instruction =========================================== [ 22.286266][ T463] RSP: 002b:00007ffd5fa43208 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 22.286268][ T463] RAX: ffffffffffffffda RBX: 00007f95528a9f88 RCX: 00007f95527791b8 [ 22.286269][ T463] RDX: 00007f95526b6a48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 22.286271][ T463] RBP: 00007ffd5fa43260 R08: 0000000000000000 R09: 0000000000000000 [ 22.286271][ T463] R10: 00007ffd5fa430a0 R11: 0000000000000246 R12: 0000000000000001 Finger prints: release_sock:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print