====================================== | [ 12.376657][ T89] softirqs last disabled at (398380): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 12.376659][ T89] Preemption disabled at: | [ 12.376660][ T89] 0x0 | [ 12.376670][ T89] Tainted: [W]=WARN [ 12.376671][ T89] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.376673][ T89] Call Trace: [ 12.376674][ T89] [ 12.376676][ T89] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.376682][ T89] __might_resched.cold (kernel/sched/core.c:9234) [ 12.376686][ T89] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.376690][ T89] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.376695][ T89] __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)) [ 12.376698][ T89] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.376704][ T89] ? 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) [ 12.376707][ T89] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.376710][ T89] put_chars (drivers/char/virtio_console.c:1176) [ 12.376714][ T89] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.376716][ T89] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 12.376719][ T89] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.376722][ T89] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.376726][ T89] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.376729][ T89] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.376731][ T89] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.376735][ T89] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.376738][ T89] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.376741][ T89] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.376745][ T89] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.376749][ T89] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.376753][ T89] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.376755][ T89] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.376759][ T89] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.376763][ T89] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.376765][ T89] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.376770][ T89] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.376773][ T89] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.376774][ T89] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.376777][ T89] ? 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)) [ 12.376780][ T89] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.376782][ T89] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.376785][ T89] vprintk_emit (kernel/printk/printk.c:2479) [ 12.376789][ T89] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.376792][ T89] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.376795][ T89] _printk (kernel/printk/printk.c:2504) [ 12.376799][ T89] ? snapshot_read.cold (user.c:?) [ 12.376801][ T89] ? 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) [ 12.376804][ T89] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.376807][ T89] ? 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) [ 12.376810][ T89] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 12.376814][ T89] ? exit_notify (kernel/exit.c:780) [ 12.376815][ T89] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.376817][ T89] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.376821][ T89] do_group_exit (kernel/exit.c:1151) [ 12.376824][ T89] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 12.376826][ T89] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 12.376828][ T89] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.376831][ T89] ? irq_exit_rcu (kernel/softirq.c:786) [ 12.376834][ T89] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.376836][ T89] RIP: 0033:0x7f3926c9e1b8 [ 12.376838][ T89] Code: Unable to access opcode bytes at 0x7f3926c9e18e. Code starting with the faulting instruction =========================================== [ 12.376839][ T89] RSP: 002b:00007ffd6c9f68d8 EFLAGS: 00000256 ORIG_RAX: 00000000000000e7 [ 12.376842][ T89] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3926c9e1b8 [ 12.376843][ T89] RDX: 0000000000000000 RSI: fffffffffffffe90 RDI: 0000000000000000 [ 12.376844][ T89] RBP: 00007ffd6c9f6a60 R08: 0000557098457388 R09: 0000000000000000 [ 12.376845][ T89] R10: 0000000000000000 R11: 0000000000000256 R12: 0000000000000000 Finger prints: netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print