====================================== | [ 11.266159][ T83] softirqs last disabled at (416264): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 11.266161][ T83] Preemption disabled at: | [ 11.266162][ T83] 0x0 | [ 11.266172][ T83] Tainted: [W]=WARN [ 11.266173][ T83] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.266174][ T83] Call Trace: [ 11.266176][ T83] [ 11.266177][ T83] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.266183][ T83] __might_resched.cold (kernel/sched/core.c:9234) [ 11.266188][ T83] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.266192][ 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) [ 11.266197][ 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)) [ 11.266199][ T83] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.266205][ 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) [ 11.266208][ T83] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.266212][ T83] put_chars (drivers/char/virtio_console.c:1176) [ 11.266215][ T83] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.266217][ T83] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 11.266221][ T83] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.266223][ T83] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.266227][ T83] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.266231][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.266232][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.266236][ T83] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.266240][ T83] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.266243][ T83] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.266247][ T83] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.266250][ T83] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.266255][ T83] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.266257][ T83] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.266261][ T83] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.266264][ T83] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.266266][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.266271][ T83] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.266274][ T83] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.266276][ T83] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.266278][ 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)) [ 11.266281][ T83] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.266283][ T83] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.266286][ T83] vprintk_emit (kernel/printk/printk.c:2479) [ 11.266290][ T83] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.266293][ T83] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.266296][ T83] _printk (kernel/printk/printk.c:2504) [ 11.266300][ T83] ? snapshot_read.cold (user.c:?) [ 11.266303][ 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) [ 11.266305][ T83] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.266309][ 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) [ 11.266311][ T83] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 11.266315][ T83] ? exit_notify (kernel/exit.c:780) [ 11.266316][ T83] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.266321][ T83] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.266325][ T83] do_group_exit (kernel/exit.c:1151) [ 11.266327][ T83] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 11.266329][ T83] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 11.266331][ T83] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.266335][ T83] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.266338][ T83] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.266340][ T83] RIP: 0033:0x7fe7d6aa71b8 [ 11.266342][ T83] Code: Unable to access opcode bytes at 0x7fe7d6aa718e. Code starting with the faulting instruction =========================================== [ 11.266343][ T83] RSP: 002b:00007ffef29616a8 EFLAGS: 00000256 ORIG_RAX: 00000000000000e7 [ 11.266346][ T83] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe7d6aa71b8 [ 11.266347][ T83] RDX: 0000000000000000 RSI: fffffffffffffe90 RDI: 0000000000000000 [ 11.266348][ T83] RBP: 00007ffef2961830 R08: 000055e757d4ef48 R09: 0000000000000000 [ 11.266349][ T83] R10: 0000000000000000 R11: 0000000000000256 R12: 0000000000000000 Finger prints: netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print