====================================== | [ 33.970814][ T932] softirqs last disabled at (21300): sk_common_release (./include/net/sock.h:2138 net/core/sock.c:4066) | [ 33.970816][ T932] Preemption disabled at: | [ 33.970817][ T932] 0x0 | [ 33.970826][ T932] Tainted: [W]=WARN [ 33.970827][ T932] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 33.970829][ T932] Call Trace: [ 33.970831][ T932] [ 33.970832][ T932] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 33.970838][ T932] __might_resched.cold (kernel/sched/core.c:9234) [ 33.970843][ T932] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 33.970847][ T932] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 33.970851][ T932] __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)) [ 33.970853][ T932] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 33.970860][ T932] ? 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) [ 33.970863][ T932] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 33.970867][ T932] put_chars (drivers/char/virtio_console.c:1176) [ 33.970869][ T932] ? __send_to_port (drivers/char/virtio_console.c:654) [ 33.970870][ T932] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 33.970874][ T932] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 33.970879][ T932] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 33.970887][ T932] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 33.970890][ T932] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.970892][ T932] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.970895][ T932] console_emit_next_record (kernel/printk/printk.c:3183) [ 33.970899][ T932] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 33.970901][ T932] ? 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)) [ 33.970905][ T932] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.970906][ T932] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.970910][ T932] console_flush_one_record (kernel/printk/printk.c:3268) [ 33.970914][ T932] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 33.970916][ T932] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 33.970922][ T932] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 33.970924][ T932] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 33.970926][ T932] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.970928][ T932] ? 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) [ 33.970932][ T932] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 33.970934][ T932] ? vprintk_emit (kernel/printk/printk.c:2478) [ 33.970936][ T932] vprintk_emit (kernel/printk/printk.c:2479) [ 33.970939][ T932] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 33.970942][ T932] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 33.970946][ T932] _printk (kernel/printk/printk.c:2504) [ 33.970950][ T932] ? snapshot_read.cold (user.c:?) [ 33.970952][ T932] ? 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) [ 33.970955][ T932] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 33.970959][ T932] ? 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) [ 33.970962][ T932] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 33.970966][ T932] ? exit_notify (kernel/exit.c:780) [ 33.970967][ T932] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 33.970970][ T932] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.970973][ T932] do_group_exit (kernel/exit.c:1151) [ 33.970976][ T932] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 33.970978][ T932] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 33.970980][ T932] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 33.970984][ T932] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 33.970987][ T932] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 33.970989][ T932] RIP: 0033:0x7f03f06341b8 [ 33.970991][ T932] Code: Unable to access opcode bytes at 0x7f03f063418e. Code starting with the faulting instruction =========================================== [ 33.970992][ T932] RSP: 002b:00007ffcaed50648 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 33.970995][ T932] RAX: ffffffffffffffda RBX: 00007f03f0764f88 RCX: 00007f03f06341b8 [ 33.970996][ T932] RDX: 00007f03f0571a48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 33.970997][ T932] RBP: 00007ffcaed506a0 R08: 0000000000000000 R09: 0000000000000020 [ 33.970998][ T932] R10: 00007ffcaed504e0 R11: 0000000000000246 R12: 0000000000000001 Finger prints: sk_common_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print