====================================== | [ 11.419877][ T83] softirqs last disabled at (437166): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 11.419879][ T83] Preemption disabled at: | [ 11.419880][ T83] 0x0 | [ 11.419891][ T83] Tainted: [W]=WARN [ 11.419892][ T83] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.419893][ T83] Call Trace: [ 11.419895][ T83] [ 11.419896][ T83] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.419902][ T83] __might_resched.cold (kernel/sched/core.c:9234) [ 11.419907][ T83] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.419911][ T83] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.419916][ T83] __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)) [ 11.419918][ T83] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.419925][ T83] ? 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) [ 11.419927][ T83] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.419931][ T83] put_chars (drivers/char/virtio_console.c:1176) [ 11.419934][ T83] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.419936][ T83] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 11.419940][ T83] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.419942][ T83] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.419946][ T83] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.419950][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.419952][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.419956][ T83] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.419960][ T83] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.419963][ T83] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.419967][ T83] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.419971][ T83] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.419975][ T83] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.419977][ T83] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.419981][ T83] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.419985][ T83] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.419987][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.419991][ T83] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.419994][ T83] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.419996][ T83] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.419998][ T83] ? 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)) [ 11.420002][ T83] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.420004][ T83] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.420007][ T83] vprintk_emit (kernel/printk/printk.c:2479) [ 11.420010][ T83] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.420014][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.420017][ T83] _printk (kernel/printk/printk.c:2504) [ 11.420021][ T83] ? snapshot_read.cold (user.c:?) [ 11.420023][ T83] ? 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) [ 11.420026][ T83] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.420030][ T83] ? 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) [ 11.420032][ T83] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 11.420036][ T83] ? exit_notify (kernel/exit.c:780) [ 11.420037][ T83] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.420040][ T83] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.420044][ T83] do_group_exit (kernel/exit.c:1151) [ 11.420047][ T83] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 11.420048][ T83] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 11.420051][ T83] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.420054][ T83] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.420058][ T83] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.420060][ T83] RIP: 0033:0x7f278bb781b8 [ 11.420062][ T83] Code: Unable to access opcode bytes at 0x7f278bb7818e. Code starting with the faulting instruction =========================================== [ 11.420063][ T83] RSP: 002b:00007fff4ffa7d08 EFLAGS: 00000256 ORIG_RAX: 00000000000000e7 [ 11.420067][ T83] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f278bb781b8 [ 11.420069][ T83] RDX: 0000000000000000 RSI: fffffffffffffe90 RDI: 0000000000000000 [ 11.420070][ T83] RBP: 00007fff4ffa7e90 R08: 0000563d53619f48 R09: 0000000000000000 [ 11.420070][ T83] R10: 0000000000000000 R11: 0000000000000256 R12: 0000000000000000 Finger prints: netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print