====================================== | [ 12.366614][ T84] softirqs last disabled at (365704): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 12.366616][ T84] Preemption disabled at: | [ 12.366617][ T84] 0x0 | [ 12.366627][ T84] Tainted: [W]=WARN [ 12.366628][ T84] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.366630][ T84] Call Trace: [ 12.366631][ T84] [ 12.366633][ T84] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.366639][ T84] __might_resched.cold (kernel/sched/core.c:9234) [ 12.366644][ T84] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.366649][ 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) [ 12.366654][ 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)) [ 12.366657][ T84] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.366664][ 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) [ 12.366666][ T84] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.366673][ T84] put_chars (drivers/char/virtio_console.c:1176) [ 12.366677][ T84] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.366679][ T84] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 12.366683][ T84] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.366686][ T84] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.366690][ T84] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.366694][ T84] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.366696][ T84] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.366701][ T84] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.366705][ T84] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.366708][ T84] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.366713][ T84] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.366717][ T84] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.366722][ T84] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.366724][ T84] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.366728][ T84] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.366733][ T84] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.366734][ T84] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.366740][ T84] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.366743][ T84] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.366745][ T84] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.366747][ 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)) [ 12.366751][ T84] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.366753][ T84] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.366756][ T84] vprintk_emit (kernel/printk/printk.c:2479) [ 12.366760][ T84] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.366764][ T84] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.366768][ T84] _printk (kernel/printk/printk.c:2504) [ 12.366772][ T84] ? snapshot_read.cold (user.c:?) [ 12.366775][ 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) [ 12.366777][ T84] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.366782][ 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) [ 12.366784][ T84] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 12.366788][ T84] ? exit_notify (kernel/exit.c:780) [ 12.366790][ T84] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.366792][ T84] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.366797][ T84] do_group_exit (kernel/exit.c:1151) [ 12.366800][ T84] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 12.366802][ T84] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 12.366804][ T84] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.366807][ T84] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.366811][ T84] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.366813][ T84] RIP: 0033:0x7ff7ad53c1b8 [ 12.366815][ T84] Code: Unable to access opcode bytes at 0x7ff7ad53c18e. Code starting with the faulting instruction =========================================== [ 12.366817][ T84] RSP: 002b:00007ffdc5401138 EFLAGS: 00000256 ORIG_RAX: 00000000000000e7 [ 12.366819][ T84] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff7ad53c1b8 [ 12.366821][ T84] RDX: 0000000000000000 RSI: fffffffffffffe90 RDI: 0000000000000000 [ 12.366822][ T84] RBP: 00007ffdc54012c0 R08: 000055862406a228 R09: 0000000000000000 [ 12.366822][ T84] R10: 0000000000000000 R11: 0000000000000256 R12: 0000000000000000 Finger prints: netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print