====================================== | [ 11.295711][ T206] softirqs last disabled at (18886): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 11.295713][ T206] Preemption disabled at: | [ 11.295714][ T206] 0x0 | [ 11.295723][ T206] Tainted: [W]=WARN [ 11.295724][ T206] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.295726][ T206] Call Trace: [ 11.295727][ T206] [ 11.295729][ T206] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.295735][ T206] __might_resched.cold (kernel/sched/core.c:9234) [ 11.295739][ T206] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.295743][ T206] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.295748][ T206] __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)) [ 11.295750][ T206] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.295757][ T206] ? 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) [ 11.295759][ T206] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.295763][ T206] put_chars (drivers/char/virtio_console.c:1176) [ 11.295766][ T206] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.295768][ T206] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 11.295771][ T206] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.295774][ T206] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.295778][ T206] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.295782][ T206] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.295784][ T206] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.295788][ T206] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.295791][ T206] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.295795][ T206] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.295798][ T206] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.295802][ T206] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.295806][ T206] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.295809][ T206] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.295812][ T206] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.295816][ T206] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.295818][ T206] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.295823][ T206] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.295825][ T206] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.295827][ T206] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.295829][ T206] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 18) ./include/trace/events/lock.h:23 (discriminator 18) kernel/locking/lockdep.c:5871 (discriminator 18)) [ 11.295833][ T206] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.295834][ T206] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.295837][ T206] vprintk_emit (kernel/printk/printk.c:2479) [ 11.295841][ T206] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.295845][ T206] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.295850][ T206] _printk (kernel/printk/printk.c:2504) [ 11.295854][ T206] ? snapshot_read.cold (user.c:?) [ 11.295857][ T206] ? 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) [ 11.295859][ T206] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.295863][ T206] ? 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) [ 11.295865][ T206] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 11.295869][ T206] ? exit_notify (kernel/exit.c:780) [ 11.295870][ T206] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.295873][ T206] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.295877][ T206] do_group_exit (kernel/exit.c:1151) [ 11.295879][ T206] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 11.295881][ T206] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 11.295883][ T206] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.295886][ T206] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.295890][ T206] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.295892][ T206] RIP: 0033:0x7fa57a93c1b8 [ 11.295894][ T206] Code: Unable to access opcode bytes at 0x7fa57a93c18e. Code starting with the faulting instruction =========================================== [ 11.295895][ T206] RSP: 002b:00007ffc55613fa8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.295897][ T206] RAX: ffffffffffffffda RBX: 00007fa57aa6cf88 RCX: 00007fa57a93c1b8 [ 11.295899][ T206] RDX: 00007fa57a686fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 11.295900][ T206] RBP: 00007ffc55614000 R08: 0000000000000000 R09: 0000000000000050 [ 11.295901][ T206] R10: 00007ffc55613dc0 R11: 0000000000000246 R12: 0000000000000001 Finger prints: netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print