====================================== | [ 11.449234][ T84] softirqs last disabled at (396538): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 11.449236][ T84] Preemption disabled at: | [ 11.449237][ T84] 0x0 | [ 11.449247][ T84] Tainted: [W]=WARN [ 11.449248][ T84] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.449250][ T84] Call Trace: [ 11.449251][ T84] [ 11.449253][ T84] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.449259][ T84] __might_resched.cold (kernel/sched/core.c:9234) [ 11.449264][ T84] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.449267][ T84] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.449272][ T84] __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)) [ 11.449275][ T84] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.449281][ T84] ? 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) [ 11.449284][ T84] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.449288][ T84] put_chars (drivers/char/virtio_console.c:1176) [ 11.449291][ T84] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.449293][ T84] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 11.449297][ T84] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.449299][ T84] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.449303][ T84] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.449307][ T84] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.449309][ T84] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.449313][ T84] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.449316][ T84] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.449320][ T84] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.449323][ T84] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.449327][ T84] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.449332][ T84] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.449334][ T84] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.449338][ T84] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.449342][ T84] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.449344][ T84] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.449349][ T84] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.449351][ T84] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.449353][ T84] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.449356][ T84] ? 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)) [ 11.449359][ T84] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.449361][ T84] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.449364][ T84] vprintk_emit (kernel/printk/printk.c:2479) [ 11.449368][ T84] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.449371][ T84] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.449375][ T84] _printk (kernel/printk/printk.c:2504) [ 11.449378][ T84] ? snapshot_read.cold (user.c:?) [ 11.449381][ T84] ? 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) [ 11.449383][ T84] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.449387][ T84] ? 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) [ 11.449390][ T84] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 11.449393][ T84] ? exit_notify (kernel/exit.c:780) [ 11.449395][ T84] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.449397][ T84] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.449401][ T84] do_group_exit (kernel/exit.c:1151) [ 11.449404][ T84] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 11.449406][ T84] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 11.449408][ T84] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.449411][ T84] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.449415][ T84] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.449417][ T84] RIP: 0033:0x7fec1e70c1b8 [ 11.449419][ T84] Code: Unable to access opcode bytes at 0x7fec1e70c18e. Code starting with the faulting instruction =========================================== [ 11.449420][ T84] RSP: 002b:00007ffe89064d68 EFLAGS: 00000256 ORIG_RAX: 00000000000000e7 [ 11.449423][ T84] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fec1e70c1b8 [ 11.449424][ T84] RDX: 0000000000000000 RSI: fffffffffffffe90 RDI: 0000000000000000 [ 11.449425][ T84] RBP: 00007ffe89064ef0 R08: 000055b59294c538 R09: 0000000000000000 [ 11.449426][ T84] R10: 0000000000000000 R11: 0000000000000256 R12: 0000000000000000 Finger prints: netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print