====================================== | [ 10.772727][ T213] softirqs last disabled at (18383): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.772730][ T213] Preemption disabled at: | [ 10.772731][ T213] 0x0 | [ 10.772741][ T213] Tainted: [W]=WARN [ 10.772742][ T213] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.772743][ T213] Call Trace: [ 10.772745][ T213] [ 10.772747][ T213] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.772753][ T213] __might_resched.cold (kernel/sched/core.c:9234) [ 10.772758][ T213] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.772762][ T213] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.772766][ T213] __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)) [ 10.772768][ T213] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.772775][ T213] ? 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) [ 10.772778][ T213] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.772781][ T213] put_chars (drivers/char/virtio_console.c:1176) [ 10.772784][ T213] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.772785][ T213] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.772788][ T213] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.772794][ T213] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.772802][ T213] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.772804][ T213] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.772806][ T213] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.772810][ T213] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.772814][ T213] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.772816][ T213] ? 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)) [ 10.772819][ T213] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.772820][ T213] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.772824][ T213] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.772828][ T213] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.772830][ T213] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.772835][ T213] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.772838][ T213] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.772840][ T213] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.772843][ T213] ? 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) [ 10.772847][ T213] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.772849][ T213] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.772852][ T213] vprintk_emit (kernel/printk/printk.c:2479) [ 10.772855][ T213] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.772858][ T213] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.772861][ T213] _printk (kernel/printk/printk.c:2504) [ 10.772865][ T213] ? snapshot_read.cold (user.c:?) [ 10.772868][ T213] ? 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) [ 10.772870][ T213] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.772874][ T213] ? 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) [ 10.772877][ T213] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.772880][ T213] ? exit_notify (kernel/exit.c:780) [ 10.772882][ T213] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.772884][ T213] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.772888][ T213] do_group_exit (kernel/exit.c:1151) [ 10.772891][ T213] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.772892][ T213] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.772895][ T213] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.772899][ T213] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.772902][ T213] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.772904][ T213] RIP: 0033:0x7f4e492ca1b8 [ 10.772906][ T213] Code: Unable to access opcode bytes at 0x7f4e492ca18e. Code starting with the faulting instruction =========================================== [ 10.772907][ T213] RSP: 002b:00007ffda0e54628 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.772910][ T213] RAX: ffffffffffffffda RBX: 00007f4e493faf88 RCX: 00007f4e492ca1b8 [ 10.772911][ T213] RDX: 00007f4e49014fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.772912][ T213] RBP: 00007ffda0e54680 R08: 0000000000000000 R09: 0000000000000050 [ 10.772913][ T213] R10: 00007ffda0e54440 R11: 0000000000000246 R12: 0000000000000001 [ 10.772914][ T213] R13: 0000000000000000 R14: 00007f4e493f9680 R15: 00007f4e493fafa0 | [ 12.791766][ T278] softirqs last disabled at (40690): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 12.791769][ T278] Preemption disabled at: | [ 12.791769][ T278] 0x0 | [ 12.791780][ T278] Tainted: [W]=WARN [ 12.791781][ T278] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.791782][ T278] Call Trace: [ 12.791784][ T278] [ 12.791785][ T278] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.791791][ T278] __might_resched.cold (kernel/sched/core.c:9234) [ 12.791795][ T278] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.791800][ T278] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.791804][ T278] __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)) [ 12.791806][ T278] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.791812][ T278] ? 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) [ 12.791815][ T278] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.791819][ T278] put_chars (drivers/char/virtio_console.c:1176) [ 12.791821][ T278] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.791822][ T278] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.791826][ T278] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.791831][ T278] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.791838][ T278] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.791844][ T278] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.791846][ T278] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.791850][ T278] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.791854][ T278] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.791856][ T278] ? 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)) [ 12.791859][ T278] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.791861][ T278] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.791865][ T278] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.791869][ T278] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.791871][ T278] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.791876][ T278] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.791879][ T278] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.791881][ T278] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.791882][ T278] ? 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) [ 12.791886][ T278] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.791888][ T278] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.791890][ T278] vprintk_emit (kernel/printk/printk.c:2479) [ 12.791894][ T278] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.791896][ T278] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.791900][ T278] _printk (kernel/printk/printk.c:2504) [ 12.791904][ T278] ? snapshot_read.cold (user.c:?) [ 12.791906][ T278] ? 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) [ 12.791909][ T278] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.791913][ T278] ? 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) [ 12.791915][ T278] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 12.791919][ T278] ? exit_notify (kernel/exit.c:780) [ 12.791920][ T278] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.791923][ T278] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.791926][ T278] do_group_exit (kernel/exit.c:1151) [ 12.791929][ T278] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 12.791931][ T278] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 12.791934][ T278] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.791937][ T278] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.791940][ T278] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.791943][ T278] RIP: 0033:0x7f439be7a1b8 [ 12.791945][ T278] Code: Unable to access opcode bytes at 0x7f439be7a18e. Code starting with the faulting instruction =========================================== [ 12.791946][ T278] RSP: 002b:00007ffdc02a6068 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 12.791948][ T278] RAX: ffffffffffffffda RBX: 00007f439bfaaf88 RCX: 00007f439be7a1b8 [ 12.791950][ T278] RDX: 00007f439bbc4fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 12.791951][ T278] RBP: 00007ffdc02a60c0 R08: 0000000000000000 R09: 0000000000000000 [ 12.791951][ T278] R10: 00007ffdc02a5e80 R11: 0000000000000246 R12: 0000000000000001 Finger prints: netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print