====================================== | [ 13.585725][ T90] softirqs last disabled at (330016): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 13.585729][ T90] Preemption disabled at: | [ 13.585730][ T90] 0x0 | [ 13.585745][ T90] Tainted: [W]=WARN [ 13.585746][ T90] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.585748][ T90] Call Trace: [ 13.585751][ T90] [ 13.585753][ T90] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.585761][ T90] __might_resched.cold (kernel/sched/core.c:9234) [ 13.585768][ T90] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.585776][ T90] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 13.585784][ T90] __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)) [ 13.585788][ T90] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.585798][ T90] ? 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) [ 13.585802][ T90] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.585808][ T90] put_chars (drivers/char/virtio_console.c:1176) [ 13.585813][ T90] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.585816][ T90] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 13.585822][ T90] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 13.585827][ T90] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 13.585834][ T90] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.585839][ T90] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.585841][ T90] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.585855][ T90] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.585861][ T90] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.585867][ T90] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.585874][ T90] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.585881][ T90] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.585888][ T90] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.585892][ T90] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.585899][ T90] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.585907][ T90] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.585909][ T90] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.585919][ T90] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.585924][ T90] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.585926][ T90] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.585930][ T90] ? 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)) [ 13.585937][ T90] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.585939][ T90] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.585945][ T90] vprintk_emit (kernel/printk/printk.c:2479) [ 13.585952][ T90] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.585958][ T90] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.585964][ T90] _printk (kernel/printk/printk.c:2504) [ 13.585970][ T90] ? snapshot_read.cold (user.c:?) [ 13.585974][ T90] ? 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) [ 13.585979][ T90] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 13.585986][ T90] ? 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) [ 13.585990][ T90] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 13.585996][ T90] ? exit_notify (kernel/exit.c:780) [ 13.585998][ T90] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.586003][ T90] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.586011][ T90] do_group_exit (kernel/exit.c:1151) [ 13.586016][ T90] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 13.586019][ T90] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 13.586022][ T90] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 13.586027][ T90] ? irq_exit_rcu (kernel/softirq.c:786) [ 13.586032][ T90] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 13.586035][ T90] RIP: 0033:0x7fa49aea31b8 [ 13.586038][ T90] Code: Unable to access opcode bytes at 0x7fa49aea318e. Code starting with the faulting instruction =========================================== [ 13.586040][ T90] RSP: 002b:00007ffe19226248 EFLAGS: 00000256 ORIG_RAX: 00000000000000e7 [ 13.586044][ T90] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa49aea31b8 [ 13.586046][ T90] RDX: 0000000000000000 RSI: fffffffffffffe90 RDI: 0000000000000000 [ 13.586047][ T90] RBP: 00007ffe192263d0 R08: 000055bacc932748 R09: 0000000000000000 [ 13.586049][ T90] R10: 0000000000000000 R11: 0000000000000256 R12: 0000000000000000 Finger prints: netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print