====================================== | [ 9.722104][ T183] softirqs last disabled at (31256): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 9.722106][ T183] Preemption disabled at: | [ 9.722107][ T183] 0x0 | [ 9.722117][ T183] Tainted: [W]=WARN [ 9.722118][ T183] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.722119][ T183] Call Trace: [ 9.722121][ T183] [ 9.722123][ T183] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.722129][ T183] __might_resched.cold (kernel/sched/core.c:9234) [ 9.722133][ T183] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.722137][ T183] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.722142][ T183] __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)) [ 9.722145][ T183] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.722151][ T183] ? 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) [ 9.722153][ T183] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.722157][ T183] put_chars (drivers/char/virtio_console.c:1176) [ 9.722161][ T183] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.722163][ T183] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 9.722166][ T183] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 9.722170][ T183] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.722174][ T183] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.722179][ T183] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.722181][ T183] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.722185][ T183] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.722189][ T183] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.722191][ T183] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.722196][ T183] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.722199][ T183] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.722203][ T183] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.722205][ T183] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.722209][ T183] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.722213][ T183] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.722214][ T183] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.722220][ T183] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.722222][ T183] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.722224][ T183] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.722226][ T183] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.722229][ T183] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.722231][ T183] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.722234][ T183] vprintk_emit (kernel/printk/printk.c:2479) [ 9.722238][ T183] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.722241][ T183] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.722245][ T183] _printk (kernel/printk/printk.c:2504) [ 9.722248][ T183] ? snapshot_read.cold (user.c:?) [ 9.722251][ T183] ? 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) [ 9.722253][ T183] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.722257][ T183] ? 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) [ 9.722259][ T183] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.722263][ T183] ? exit_notify (kernel/exit.c:780) [ 9.722264][ T183] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.722267][ T183] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.722271][ T183] do_group_exit (kernel/exit.c:1151) [ 9.722274][ T183] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.722276][ T183] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.722279][ T183] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.722282][ T183] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.722285][ T183] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.722287][ T183] RIP: 0033:0x7f2fef4391b8 [ 9.722290][ T183] Code: Unable to access opcode bytes at 0x7f2fef43918e. Code starting with the faulting instruction =========================================== [ 9.722291][ T183] RSP: 002b:00007fff8d0d3e28 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.722293][ T183] RAX: ffffffffffffffda RBX: 00007f2fef569f88 RCX: 00007f2fef4391b8 [ 9.722295][ T183] RDX: 00007f2fef183fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.722296][ T183] RBP: 00007fff8d0d3e80 R08: 0000000000000000 R09: 0000000000008010 [ 9.722297][ T183] R10: 00007fff8d0d3c40 R11: 0000000000000246 R12: 0000000000000001 Finger prints: netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print