====================================== | [ 13.471510][ T91] softirqs last disabled at (307880): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 13.471512][ T91] Preemption disabled at: | [ 13.471513][ T91] 0x0 | [ 13.471524][ T91] Tainted: [W]=WARN [ 13.471525][ T91] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.471527][ T91] Call Trace: [ 13.471528][ T91] [ 13.471530][ T91] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.471536][ T91] __might_resched.cold (kernel/sched/core.c:9234) [ 13.471541][ T91] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.471545][ T91] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 13.471550][ T91] __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)) [ 13.471553][ T91] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.471559][ T91] ? 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) [ 13.471562][ T91] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.471566][ T91] put_chars (drivers/char/virtio_console.c:1176) [ 13.471569][ T91] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.471572][ T91] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 13.471575][ T91] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 13.471578][ T91] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 13.471583][ T91] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.471587][ T91] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.471588][ T91] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.471593][ T91] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.471596][ T91] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.471600][ T91] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.471604][ T91] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.471608][ T91] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.471613][ T91] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.471615][ T91] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.471619][ T91] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.471623][ T91] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.471625][ T91] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.471630][ T91] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.471633][ T91] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.471635][ T91] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.471637][ T91] ? 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)) [ 13.471641][ T91] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.471643][ T91] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.471646][ T91] vprintk_emit (kernel/printk/printk.c:2479) [ 13.471650][ T91] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.471654][ T91] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.471657][ T91] _printk (kernel/printk/printk.c:2504) [ 13.471661][ T91] ? snapshot_read.cold (user.c:?) [ 13.471664][ T91] ? 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) [ 13.471666][ T91] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 13.471670][ T91] ? 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) [ 13.471673][ T91] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 13.471677][ T91] ? exit_notify (kernel/exit.c:780) [ 13.471678][ T91] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.471681][ T91] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.471685][ T91] do_group_exit (kernel/exit.c:1151) [ 13.471688][ T91] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 13.471690][ T91] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 13.471692][ T91] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 13.471696][ T91] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 13.471699][ T91] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 13.471701][ T91] RIP: 0033:0x7f351b1681b8 [ 13.471704][ T91] Code: Unable to access opcode bytes at 0x7f351b16818e. Code starting with the faulting instruction =========================================== [ 13.471705][ T91] RSP: 002b:00007ffd50422068 EFLAGS: 00000256 ORIG_RAX: 00000000000000e7 [ 13.471707][ T91] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f351b1681b8 [ 13.471709][ T91] RDX: 0000000000000000 RSI: fffffffffffffe90 RDI: 0000000000000000 [ 13.471710][ T91] RBP: 00007ffd504221f0 R08: 0000563a541d2478 R09: 0000000000000000 [ 13.471711][ T91] R10: 0000000000000000 R11: 0000000000000256 R12: 0000000000000000 Finger prints: netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print