====================================== | [ 12.009848][ T90] softirqs last disabled at (375518): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 12.009850][ T90] Preemption disabled at: | [ 12.009851][ T90] 0x0 | [ 12.009862][ T90] Tainted: [W]=WARN [ 12.009863][ T90] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.009864][ T90] Call Trace: [ 12.009866][ T90] [ 12.009868][ T90] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.009873][ T90] __might_resched.cold (kernel/sched/core.c:9234) [ 12.009877][ T90] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.009881][ T90] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.009886][ T90] __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)) [ 12.009889][ T90] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.009895][ T90] ? 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) [ 12.009897][ T90] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.009901][ T90] put_chars (drivers/char/virtio_console.c:1176) [ 12.009904][ T90] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.009906][ T90] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 12.009909][ T90] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.009912][ T90] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.009916][ T90] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.009920][ T90] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.009922][ T90] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.009926][ T90] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.009930][ T90] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.009933][ T90] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.009937][ T90] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.009940][ T90] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.009945][ T90] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.009947][ T90] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.009951][ T90] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.009955][ T90] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.009957][ T90] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.009962][ T90] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.009964][ T90] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.009966][ T90] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.009968][ T90] ? 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)) [ 12.009972][ T90] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.009973][ T90] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.009977][ T90] vprintk_emit (kernel/printk/printk.c:2479) [ 12.009980][ T90] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.009984][ T90] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.009987][ T90] _printk (kernel/printk/printk.c:2504) [ 12.009991][ T90] ? snapshot_read.cold (user.c:?) [ 12.009993][ T90] ? 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) [ 12.009996][ T90] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.009999][ T90] ? 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) [ 12.010002][ T90] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 12.010006][ T90] ? exit_notify (kernel/exit.c:780) [ 12.010007][ T90] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.010010][ T90] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.010014][ T90] do_group_exit (kernel/exit.c:1151) [ 12.010016][ T90] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 12.010018][ T90] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 12.010020][ T90] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.010023][ T90] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.010027][ T90] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.010029][ T90] RIP: 0033:0x7fa86455d1b8 [ 12.010031][ T90] Code: Unable to access opcode bytes at 0x7fa86455d18e. Code starting with the faulting instruction =========================================== [ 12.010032][ T90] RSP: 002b:00007ffcbd7ce1a8 EFLAGS: 00000256 ORIG_RAX: 00000000000000e7 [ 12.010035][ T90] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa86455d1b8 [ 12.010036][ T90] RDX: 0000000000000000 RSI: fffffffffffffe90 RDI: 0000000000000000 [ 12.010037][ T90] RBP: 00007ffcbd7ce330 R08: 00005571ee970d38 R09: 0000000000000000 [ 12.010038][ T90] R10: 0000000000000000 R11: 0000000000000256 R12: 0000000000000000 Finger prints: netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print