====================================== | [ 13.442256][ T250] softirqs last disabled at (20958): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 13.442258][ T250] Preemption disabled at: | [ 13.442259][ T250] 0x0 | [ 13.442269][ T250] Tainted: [W]=WARN [ 13.442270][ T250] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.442271][ T250] Call Trace: [ 13.442273][ T250] [ 13.442274][ T250] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.442281][ T250] __might_resched.cold (kernel/sched/core.c:9234) [ 13.442285][ T250] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.442289][ T250] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 13.442293][ T250] __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)) [ 13.442295][ T250] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.442302][ T250] ? 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) [ 13.442305][ T250] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.442308][ T250] put_chars (drivers/char/virtio_console.c:1176) [ 13.442311][ T250] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.442312][ T250] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 13.442315][ T250] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 13.442320][ T250] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.442328][ T250] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.442330][ T250] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.442332][ T250] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.442336][ T250] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.442340][ T250] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.442342][ T250] ? 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)) [ 13.442345][ T250] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.442347][ T250] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.442350][ T250] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.442355][ T250] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.442356][ T250] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.442361][ T250] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.442364][ T250] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.442366][ T250] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.442368][ T250] ? 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) [ 13.442371][ T250] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.442373][ T250] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.442376][ T250] vprintk_emit (kernel/printk/printk.c:2479) [ 13.442379][ T250] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.442381][ T250] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.442385][ T250] _printk (kernel/printk/printk.c:2504) [ 13.442389][ T250] ? snapshot_read.cold (user.c:?) [ 13.442392][ T250] ? 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) [ 13.442394][ T250] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 13.442398][ T250] ? 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) [ 13.442400][ T250] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 13.442404][ T250] ? exit_notify (kernel/exit.c:780) [ 13.442405][ T250] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.442408][ T250] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.442411][ T250] do_group_exit (kernel/exit.c:1151) [ 13.442414][ T250] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 13.442416][ T250] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 13.442418][ T250] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 13.442425][ T250] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 13.442428][ T250] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 13.442430][ T250] RIP: 0033:0x7f7b257c31b8 [ 13.442432][ T250] Code: Unable to access opcode bytes at 0x7f7b257c318e. Code starting with the faulting instruction =========================================== [ 13.442433][ T250] RSP: 002b:00007ffcfc9cb1e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 13.442436][ T250] RAX: ffffffffffffffda RBX: 00007f7b258f3f88 RCX: 00007f7b257c31b8 [ 13.442437][ T250] RDX: 00007f7b2550dfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 13.442438][ T250] RBP: 00007ffcfc9cb240 R08: 0000000000000000 R09: 0000000000000050 [ 13.442439][ T250] R10: 00007ffcfc9cb000 R11: 0000000000000246 R12: 0000000000000001 Finger prints: netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print