====================================== | [ 26.315076][ T284] softirqs last disabled at (25012): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 26.315078][ T284] Preemption disabled at: | [ 26.315079][ T284] 0x0 | [ 26.315090][ T284] Tainted: [W]=WARN [ 26.315091][ T284] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 26.315093][ T284] Call Trace: [ 26.315094][ T284] [ 26.315096][ T284] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 26.315102][ T284] __might_resched.cold (kernel/sched/core.c:9234) [ 26.315107][ T284] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 26.315111][ T284] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 26.315116][ T284] __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)) [ 26.315118][ T284] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 26.315124][ T284] ? 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) [ 26.315126][ T284] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 26.315129][ T284] put_chars (drivers/char/virtio_console.c:1176) [ 26.315132][ T284] ? __send_to_port (drivers/char/virtio_console.c:654) [ 26.315135][ T284] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 26.315139][ T284] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 26.315141][ T284] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 26.315145][ T284] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 26.315147][ T284] ? mark_usage (kernel/locking/lockdep.c:4690) [ 26.315149][ T284] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.315150][ T284] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.315154][ T284] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 26.315155][ T284] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 26.315159][ T284] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.315163][ T284] console_emit_next_record (kernel/printk/printk.c:3183) [ 26.315167][ T284] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 26.315171][ T284] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.315173][ T284] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.315177][ T284] console_flush_one_record (kernel/printk/printk.c:3268) [ 26.315181][ T284] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 26.315182][ T284] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.315187][ T284] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 26.315190][ T284] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 26.315191][ T284] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.315194][ T284] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 26.315197][ T284] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 26.315199][ T284] ? vprintk_emit (kernel/printk/printk.c:2478) [ 26.315202][ T284] vprintk_emit (kernel/printk/printk.c:2479) [ 26.315205][ T284] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 26.315209][ T284] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.315212][ T284] _printk (kernel/printk/printk.c:2504) [ 26.315216][ T284] ? snapshot_read.cold (user.c:?) [ 26.315219][ T284] ? 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) [ 26.315221][ T284] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 26.315225][ T284] ? 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) [ 26.315227][ T284] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 26.315231][ T284] ? exit_notify (kernel/exit.c:780) [ 26.315233][ T284] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 26.315237][ T284] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 26.315238][ T284] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 26.315241][ T284] do_group_exit (kernel/exit.c:1151) [ 26.315243][ T284] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 26.315245][ T284] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 26.315248][ T284] ? _raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:219 kernel/locking/spinlock.c:229) [ 26.315251][ T284] ? _raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:220 (discriminator 1) kernel/locking/spinlock.c:229 (discriminator 1)) [ 26.315253][ T284] get_signal (kernel/signal.c:3039) [ 26.315257][ T284] ? ___sys_sendmsg (net/socket.c:2771) [ 26.315263][ T284] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.315266][ T284] ? ptrace_signal (./include/linux/signal.h:87) [ 26.315272][ T284] arch_do_signal_or_restart (arch/x86/kernel/signal.c:337) [ 26.315277][ T284] ? get_sigframe_size (arch/x86/kernel/signal.c:233) [ 26.315278][ T284] ? __sys_recvmsg (net/socket.c:3008) [ 26.315283][ T284] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.315285][ T284] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 26.315290][ T284] exit_to_user_mode_loop (kernel/entry/common.c:66 kernel/entry/common.c:101) [ 26.315292][ T284] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.315295][ T284] do_syscall_64 (./include/linux/irq-entry-common.h:207 ./include/linux/irq-entry-common.h:230 ./include/linux/entry-common.h:336 arch/x86/entry/syscall_64.c:89) [ 26.315297][ T284] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 26.315299][ T284] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 26.315302][ T284] RIP: 0033:0x7f676960854e [ 26.315304][ T284] Code: Unable to access opcode bytes at 0x7f6769608524. Code starting with the faulting instruction =========================================== [ 26.315306][ T284] RSP: 002b:00007fff403d52b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002f [ 26.315308][ T284] RAX: fffffffffffffe00 RBX: 0000000000000034 RCX: 00007f676960854e [ 26.315310][ T284] RDX: 0000000000000000 RSI: 00007fff403d5340 RDI: 0000000000000005 [ 26.315311][ T284] RBP: 00007fff403d52c0 R08: 0000000000000000 R09: 0000000000000000 [ 26.315311][ T284] R10: 0000000000000000 R11: 0000000000000202 R12: 00000000004210a0 Finger prints: netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print