====================================== | [ 9.116984][ T198] softirqs last disabled at (21206): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 9.116986][ T198] Preemption disabled at: | [ 9.116987][ T198] 0x0 | [ 9.116997][ T198] Tainted: [W]=WARN [ 9.116998][ T198] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.116999][ T198] Call Trace: [ 9.117001][ T198] [ 9.117002][ T198] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.117009][ T198] __might_resched.cold (kernel/sched/core.c:9234) [ 9.117013][ T198] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.117017][ T198] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.117021][ T198] __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)) [ 9.117023][ T198] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.117029][ T198] ? 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) [ 9.117032][ T198] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.117036][ T198] put_chars (drivers/char/virtio_console.c:1176) [ 9.117038][ T198] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.117039][ T198] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.117043][ T198] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.117048][ T198] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.117056][ T198] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.117058][ T198] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.117060][ T198] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.117064][ T198] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.117068][ T198] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.117070][ T198] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 9.117073][ T198] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.117075][ T198] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.117082][ T198] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.117087][ T198] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.117088][ T198] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.117094][ T198] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.117096][ T198] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.117098][ T198] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.117100][ T198] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 9.117104][ T198] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.117105][ T198] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.117108][ T198] vprintk_emit (kernel/printk/printk.c:2479) [ 9.117111][ T198] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.117114][ T198] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.117117][ T198] _printk (kernel/printk/printk.c:2504) [ 9.117121][ T198] ? snapshot_read.cold (user.c:?) [ 9.117124][ T198] ? 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) [ 9.117126][ T198] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.117130][ T198] ? 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) [ 9.117133][ T198] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.117137][ T198] ? exit_notify (kernel/exit.c:780) [ 9.117138][ T198] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.117141][ T198] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.117144][ T198] do_group_exit (kernel/exit.c:1151) [ 9.117147][ T198] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.117149][ T198] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.117151][ T198] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.117155][ T198] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.117158][ T198] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.117160][ T198] RIP: 0033:0x7f4d36d6a1b8 [ 9.117162][ T198] Code: Unable to access opcode bytes at 0x7f4d36d6a18e. Code starting with the faulting instruction =========================================== [ 9.117163][ T198] RSP: 002b:00007ffc72cfcf18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.117166][ T198] RAX: ffffffffffffffda RBX: 00007f4d36e9af88 RCX: 00007f4d36d6a1b8 [ 9.117167][ T198] RDX: 00007f4d36ab4fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.117168][ T198] RBP: 00007ffc72cfcf70 R08: 0000000000000000 R09: 0000000000000050 [ 9.117169][ T198] R10: 00007ffc72cfcd30 R11: 0000000000000246 R12: 0000000000000001 Finger prints: netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print