====================================== | [ 9.614359][ T206] softirqs last disabled at (34490): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 9.614362][ T206] Preemption disabled at: | [ 9.614362][ T206] 0x0 | [ 9.614373][ T206] Tainted: [W]=WARN [ 9.614373][ T206] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.614375][ T206] Call Trace: [ 9.614376][ T206] [ 9.614378][ T206] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.614384][ T206] __might_resched.cold (kernel/sched/core.c:9234) [ 9.614389][ T206] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.614393][ T206] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.614397][ T206] __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)) [ 9.614399][ T206] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.614405][ T206] ? 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) [ 9.614408][ T206] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.614412][ T206] put_chars (drivers/char/virtio_console.c:1176) [ 9.614414][ T206] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.614415][ T206] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.614419][ T206] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.614424][ T206] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.614432][ T206] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.614434][ T206] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.614436][ T206] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.614440][ T206] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.614444][ T206] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.614446][ T206] ? 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)) [ 9.614449][ T206] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.614451][ T206] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.614454][ T206] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.614458][ T206] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.614460][ T206] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.614465][ T206] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.614468][ T206] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.614470][ T206] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.614472][ T206] ? 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) [ 9.614475][ T206] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.614477][ T206] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.614480][ T206] vprintk_emit (kernel/printk/printk.c:2479) [ 9.614486][ T206] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.614488][ T206] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.614492][ T206] _printk (kernel/printk/printk.c:2504) [ 9.614495][ T206] ? snapshot_read.cold (user.c:?) [ 9.614498][ T206] ? 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) [ 9.614501][ T206] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.614505][ T206] ? 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) [ 9.614507][ T206] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.614511][ T206] ? exit_notify (kernel/exit.c:780) [ 9.614513][ T206] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.614515][ T206] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.614519][ T206] do_group_exit (kernel/exit.c:1151) [ 9.614521][ T206] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.614523][ T206] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.614526][ T206] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.614529][ T206] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.614532][ T206] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.614534][ T206] RIP: 0033:0x7fef526fb1b8 [ 9.614536][ T206] Code: Unable to access opcode bytes at 0x7fef526fb18e. Code starting with the faulting instruction =========================================== [ 9.614537][ T206] RSP: 002b:00007ffcb2e58ff8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.614540][ T206] RAX: ffffffffffffffda RBX: 00007fef5282bf88 RCX: 00007fef526fb1b8 [ 9.614541][ T206] RDX: 00007fef52445fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.614542][ T206] RBP: 00007ffcb2e59050 R08: 0000000000000000 R09: 0000000000008010 [ 9.614543][ T206] R10: 00007ffcb2e58e10 R11: 0000000000000246 R12: 0000000000000001 [ 9.614544][ T206] R13: 0000000000000000 R14: 00007fef5282a680 R15: 00007fef5282bfa0 | [ 12.422320][ T291] softirqs last disabled at (35852): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 12.422322][ T291] Preemption disabled at: | [ 12.422323][ T291] 0x0 | [ 12.422333][ T291] Tainted: [W]=WARN [ 12.422334][ T291] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.422336][ T291] Call Trace: [ 12.422337][ T291] [ 12.422339][ T291] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.422345][ T291] __might_resched.cold (kernel/sched/core.c:9234) [ 12.422350][ T291] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.422357][ T291] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.422361][ T291] __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)) [ 12.422363][ T291] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.422369][ T291] ? 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) [ 12.422372][ T291] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.422376][ T291] put_chars (drivers/char/virtio_console.c:1176) [ 12.422378][ T291] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.422381][ T291] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.422386][ T291] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.422394][ T291] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.422397][ T291] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.422400][ T291] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.422403][ T291] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.422407][ T291] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.422409][ T291] ? 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)) [ 12.422412][ T291] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.422414][ T291] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.422418][ T291] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.422422][ T291] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.422424][ T291] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.422429][ T291] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.422432][ T291] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.422434][ T291] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.422435][ T291] ? 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) [ 12.422439][ T291] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.422441][ T291] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.422443][ T291] vprintk_emit (kernel/printk/printk.c:2479) [ 12.422447][ T291] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.422449][ T291] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.422453][ T291] _printk (kernel/printk/printk.c:2504) [ 12.422456][ T291] ? snapshot_read.cold (user.c:?) [ 12.422459][ T291] ? 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) [ 12.422462][ T291] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.422465][ T291] ? 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) [ 12.422468][ T291] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 12.422472][ T291] ? exit_notify (kernel/exit.c:780) [ 12.422473][ T291] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.422476][ T291] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.422478][ T291] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.422481][ T291] do_group_exit (kernel/exit.c:1151) [ 12.422483][ T291] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 12.422485][ T291] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 12.422488][ T291] ? _raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:219 kernel/locking/spinlock.c:229) [ 12.422491][ T291] ? _raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:220 (discriminator 1) kernel/locking/spinlock.c:229 (discriminator 1)) [ 12.422493][ T291] get_signal (kernel/signal.c:3039) [ 12.422501][ T291] ? ___sys_sendmsg (net/socket.c:2771) [ 12.422505][ T291] ? new_sync_write (fs/read_write.c:595) [ 12.422510][ T291] ? ptrace_signal (./include/linux/signal.h:87) [ 12.422516][ T291] arch_do_signal_or_restart (arch/x86/kernel/signal.c:337) [ 12.422520][ T291] ? get_sigframe_size (arch/x86/kernel/signal.c:233) [ 12.422522][ T291] ? __sys_recvmsg (net/socket.c:3008) [ 12.422527][ T291] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.422529][ T291] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 12.422533][ T291] exit_to_user_mode_loop (kernel/entry/common.c:66 kernel/entry/common.c:101) [ 12.422536][ T291] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.422538][ T291] do_syscall_64 (./include/linux/irq-entry-common.h:207 ./include/linux/irq-entry-common.h:230 ./include/linux/entry-common.h:336 arch/x86/entry/syscall_64.c:89) [ 12.422541][ T291] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.422544][ T291] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.422546][ T291] RIP: 0033:0x7f2ab1b3e54e [ 12.422548][ T291] Code: Unable to access opcode bytes at 0x7f2ab1b3e524. Code starting with the faulting instruction =========================================== [ 12.422549][ T291] RSP: 002b:00007ffca7d92510 EFLAGS: 00000202 ORIG_RAX: 000000000000002f [ 12.422551][ T291] RAX: fffffffffffffe00 RBX: 0000000000000024 RCX: 00007f2ab1b3e54e [ 12.422553][ T291] RDX: 0000000000000000 RSI: 00007ffca7d925a0 RDI: 0000000000000005 [ 12.422554][ T291] RBP: 00007ffca7d92520 R08: 0000000000000000 R09: 0000000000000000 [ 12.422554][ T291] R10: 0000000000000000 R11: 0000000000000202 R12: 00000000004039d0 Finger prints: netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print