====================================== | [ 9.453036][ T203] softirqs last disabled at (19954): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 9.453039][ T203] Preemption disabled at: | [ 9.453039][ T203] 0x0 | [ 9.453049][ T203] Tainted: [W]=WARN [ 9.453050][ T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.453051][ T203] Call Trace: [ 9.453053][ T203] [ 9.453054][ T203] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.453060][ T203] __might_resched.cold (kernel/sched/core.c:9234) [ 9.453065][ T203] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.453069][ T203] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.453073][ T203] __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)) [ 9.453075][ T203] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.453081][ T203] ? 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) [ 9.453084][ T203] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.453088][ T203] put_chars (drivers/char/virtio_console.c:1176) [ 9.453090][ T203] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.453091][ T203] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.453095][ T203] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.453100][ T203] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.453107][ T203] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.453110][ T203] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.453112][ T203] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.453116][ T203] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.453120][ T203] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.453122][ T203] ? 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)) [ 9.453125][ T203] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.453126][ T203] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.453130][ T203] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.453134][ T203] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.453136][ T203] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.453141][ T203] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.453144][ T203] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.453146][ T203] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.453148][ T203] ? 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) [ 9.453151][ T203] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.453153][ T203] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.453156][ T203] vprintk_emit (kernel/printk/printk.c:2479) [ 9.453159][ T203] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.453162][ T203] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.453165][ T203] _printk (kernel/printk/printk.c:2504) [ 9.453169][ T203] ? snapshot_read.cold (user.c:?) [ 9.453172][ T203] ? 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) [ 9.453174][ T203] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.453178][ T203] ? 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) [ 9.453181][ T203] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.453184][ T203] ? exit_notify (kernel/exit.c:780) [ 9.453186][ T203] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.453188][ T203] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.453192][ T203] do_group_exit (kernel/exit.c:1151) [ 9.453194][ T203] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.453196][ T203] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.453199][ T203] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.453203][ T203] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.453206][ T203] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.453208][ T203] RIP: 0033:0x7f3e2348e1b8 [ 9.453210][ T203] Code: Unable to access opcode bytes at 0x7f3e2348e18e. Code starting with the faulting instruction =========================================== [ 9.453211][ T203] RSP: 002b:00007ffe8a7bad38 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.453213][ T203] RAX: ffffffffffffffda RBX: 00007f3e235bef88 RCX: 00007f3e2348e1b8 [ 9.453215][ T203] RDX: 00007f3e231d8fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.453215][ T203] RBP: 00007ffe8a7bad90 R08: 0000000000000000 R09: 0000000000000050 [ 9.453216][ T203] R10: 00007ffe8a7bab50 R11: 0000000000000246 R12: 0000000000000001 Finger prints: netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print