====================================== | [ 9.907683][ T167] softirqs last disabled at (4095280): release_sock (./include/linux/spinlock.h:353 net/core/sock.c:3858) | [ 9.907687][ T167] Preemption disabled at: | [ 9.907688][ T167] 0x0 | [ 9.907698][ T167] Tainted: [W]=WARN [ 9.907699][ T167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.907700][ T167] Call Trace: [ 9.907702][ T167] [ 9.907703][ T167] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.907709][ T167] __might_resched.cold (kernel/sched/core.c:9234) [ 9.907713][ T167] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.907716][ T167] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.907721][ T167] __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)) [ 9.907724][ T167] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.907730][ T167] ? 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) [ 9.907733][ T167] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.907736][ T167] put_chars (drivers/char/virtio_console.c:1176) [ 9.907739][ T167] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.907741][ T167] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.907745][ T167] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.907750][ T167] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.907757][ T167] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.907759][ T167] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.907761][ T167] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.907765][ T167] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.907769][ T167] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.907770][ T167] ? 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)) [ 9.907773][ T167] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.907775][ T167] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.907779][ T167] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.907782][ T167] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.907783][ T167] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.907789][ T167] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.907791][ T167] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.907792][ T167] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.907794][ T167] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.907798][ T167] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.907800][ T167] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.907802][ T167] vprintk_emit (kernel/printk/printk.c:2479) [ 9.907806][ T167] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.907807][ T167] ? 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) [ 9.907810][ T167] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.907814][ T167] _printk (kernel/printk/printk.c:2504) [ 9.907818][ T167] ? snapshot_read.cold (user.c:?) [ 9.907821][ T167] ? 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) [ 9.907823][ T167] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.907827][ T167] ? 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) [ 9.907830][ T167] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.907833][ T167] ? exit_notify (kernel/exit.c:780) [ 9.907835][ T167] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.907838][ T167] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.907841][ T167] do_group_exit (kernel/exit.c:1151) [ 9.907844][ T167] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.907846][ T167] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.907849][ T167] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.907853][ T167] ? irq_exit_rcu (kernel/softirq.c:786) [ 9.907856][ T167] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.907858][ T167] RIP: 0033:0x479678 [ 9.907860][ T167] Code: Unable to access opcode bytes at 0x47964e. Code starting with the faulting instruction =========================================== [ 9.907862][ T167] RSP: 002b:00007ffd2da56bc8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.907864][ T167] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000479678 [ 9.907865][ T167] RDX: 0000000031e30708 RSI: fffffffffffffff0 RDI: 0000000000000000 [ 9.907866][ T167] RBP: 00007ffd2da56c20 R08: 0000000000000000 R09: 0000000031e313e0 [ 9.907867][ T167] R10: 0000000000000110 R11: 0000000000000246 R12: 00007ffd2da56d58 [ 9.907868][ T167] R13: 00007ffd2da56de0 R14: 0000000000000000 R15: 000000000054d560 | [ 11.277892][ T232] softirqs last disabled at (3977128): release_sock (./include/linux/spinlock.h:353 net/core/sock.c:3858) | [ 11.277896][ T232] Preemption disabled at: | [ 11.277897][ T232] 0x0 | [ 11.277907][ T232] Tainted: [W]=WARN [ 11.277908][ T232] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.277910][ T232] Call Trace: [ 11.277911][ T232] [ 11.277913][ T232] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.277918][ T232] __might_resched.cold (kernel/sched/core.c:9234) [ 11.277923][ T232] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.277926][ T232] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.277931][ T232] __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)) [ 11.277934][ T232] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.277939][ T232] ? 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) [ 11.277942][ T232] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.277946][ T232] put_chars (drivers/char/virtio_console.c:1176) [ 11.277949][ T232] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.277950][ T232] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.277954][ T232] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.277960][ T232] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.277966][ T232] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.277968][ T232] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.277970][ T232] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.277974][ T232] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.277978][ T232] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.277979][ T232] ? 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)) [ 11.277982][ T232] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.277984][ T232] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.277988][ T232] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.277992][ T232] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.277993][ T232] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.277998][ T232] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.278000][ T232] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.278002][ T232] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.278004][ T232] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 11.278007][ T232] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.278009][ T232] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.278012][ T232] vprintk_emit (kernel/printk/printk.c:2479) [ 11.278015][ T232] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.278017][ T232] ? 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) [ 11.278020][ T232] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.278024][ T232] _printk (kernel/printk/printk.c:2504) [ 11.278027][ T232] ? snapshot_read.cold (user.c:?) [ 11.278030][ T232] ? 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) [ 11.278033][ T232] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.278040][ T232] ? 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) [ 11.278043][ T232] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 11.278047][ T232] ? exit_notify (kernel/exit.c:780) [ 11.278048][ T232] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.278051][ T232] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.278055][ T232] do_group_exit (kernel/exit.c:1151) [ 11.278058][ T232] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 11.278060][ T232] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 11.278062][ T232] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.278066][ T232] ? irq_exit_rcu (kernel/softirq.c:786) [ 11.278069][ T232] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.278071][ T232] RIP: 0033:0x479678 [ 11.278074][ T232] Code: Unable to access opcode bytes at 0x47964e. Code starting with the faulting instruction =========================================== [ 11.278075][ T232] RSP: 002b:00007fff60443488 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.278077][ T232] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000479678 [ 11.278079][ T232] RDX: 0000000024227708 RSI: fffffffffffffff0 RDI: 0000000000000000 [ 11.278079][ T232] RBP: 00007fff604434e0 R08: 0000000000000000 R09: 00000000242283e0 [ 11.278080][ T232] R10: 0000000000000110 R11: 0000000000000246 R12: 00007fff60443618 Finger prints: release_sock:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print