====================================== | [ 9.876133][ T201] softirqs last disabled at (26062): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 9.876136][ T201] Preemption disabled at: | [ 9.876136][ T201] 0x0 | [ 9.876146][ T201] Tainted: [W]=WARN [ 9.876147][ T201] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.876149][ T201] Call Trace: [ 9.876151][ T201] [ 9.876152][ T201] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.876161][ T201] __might_resched.cold (kernel/sched/core.c:9234) [ 9.876167][ T201] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.876171][ T201] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.876176][ T201] __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)) [ 9.876178][ T201] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.876184][ T201] ? 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) [ 9.876187][ T201] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.876190][ T201] put_chars (drivers/char/virtio_console.c:1176) [ 9.876193][ T201] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.876194][ T201] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.876198][ T201] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.876203][ T201] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.876211][ T201] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.876213][ T201] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.876215][ T201] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.876219][ T201] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.876223][ T201] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.876225][ T201] ? 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)) [ 9.876228][ T201] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.876230][ T201] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.876234][ T201] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.876238][ T201] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.876240][ T201] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.876245][ T201] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.876248][ T201] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.876249][ T201] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.876251][ T201] ? 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) [ 9.876255][ T201] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.876257][ T201] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.876259][ T201] vprintk_emit (kernel/printk/printk.c:2479) [ 9.876262][ T201] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.876265][ T201] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.876269][ T201] _printk (kernel/printk/printk.c:2504) [ 9.876272][ T201] ? snapshot_read.cold (user.c:?) [ 9.876275][ T201] ? 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) [ 9.876278][ T201] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.876281][ T201] ? 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) [ 9.876284][ T201] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.876288][ T201] ? exit_notify (kernel/exit.c:780) [ 9.876289][ T201] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.876292][ T201] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.876295][ T201] do_group_exit (kernel/exit.c:1151) [ 9.876298][ T201] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.876300][ T201] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.876302][ T201] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.876306][ T201] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.876309][ T201] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.876311][ T201] RIP: 0033:0x7f9a0d0871b8 [ 9.876314][ T201] Code: Unable to access opcode bytes at 0x7f9a0d08718e. Code starting with the faulting instruction =========================================== [ 9.876315][ T201] RSP: 002b:00007ffea195f1e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.876317][ T201] RAX: ffffffffffffffda RBX: 00007f9a0d1b7f88 RCX: 00007f9a0d0871b8 [ 9.876318][ T201] RDX: 00007f9a0cdd1fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.876319][ T201] RBP: 00007ffea195f240 R08: 0000000000000000 R09: 0000000000000050 [ 9.876320][ T201] R10: 00007ffea195f000 R11: 0000000000000246 R12: 0000000000000001 [ 9.876321][ T201] R13: 0000000000000000 R14: 00007f9a0d1b6680 R15: 00007f9a0d1b7fa0 | [ 20.667456][ T875] softirqs last disabled at (37430): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 20.667458][ T875] Preemption disabled at: | [ 20.667459][ T875] 0x0 | [ 20.667469][ T875] Tainted: [W]=WARN [ 20.667471][ T875] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 20.667472][ T875] Call Trace: [ 20.667474][ T875] [ 20.667475][ T875] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 20.667482][ T875] __might_resched.cold (kernel/sched/core.c:9234) [ 20.667487][ T875] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 20.667491][ T875] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 20.667496][ T875] __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)) [ 20.667498][ T875] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 20.667504][ T875] ? 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) [ 20.667508][ T875] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 20.667511][ T875] put_chars (drivers/char/virtio_console.c:1176) [ 20.667514][ T875] ? __send_to_port (drivers/char/virtio_console.c:654) [ 20.667515][ T875] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 20.667519][ T875] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 20.667524][ T875] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 20.667532][ T875] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 20.667535][ T875] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.667537][ T875] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.667541][ T875] console_emit_next_record (kernel/printk/printk.c:3183) [ 20.667545][ T875] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 20.667547][ T875] ? 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)) [ 20.667550][ T875] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.667552][ T875] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.667556][ T875] console_flush_one_record (kernel/printk/printk.c:3268) [ 20.667561][ T875] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 20.667563][ T875] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.667568][ T875] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 20.667571][ T875] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 20.667573][ T875] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.667575][ T875] ? 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) [ 20.667578][ T875] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 20.667581][ T875] ? vprintk_emit (kernel/printk/printk.c:2478) [ 20.667584][ T875] vprintk_emit (kernel/printk/printk.c:2479) [ 20.667587][ T875] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 20.667590][ T875] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.667594][ T875] _printk (kernel/printk/printk.c:2504) [ 20.667597][ T875] ? snapshot_read.cold (user.c:?) [ 20.667600][ T875] ? 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) [ 20.667603][ T875] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 20.667607][ T875] ? 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) [ 20.667610][ T875] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 20.667614][ T875] ? exit_notify (kernel/exit.c:780) [ 20.667615][ T875] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 20.667618][ T875] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.667622][ T875] do_group_exit (kernel/exit.c:1151) [ 20.667625][ T875] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 20.667626][ T875] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 20.667629][ T875] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 20.667632][ T875] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 20.667635][ T875] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 20.667638][ T875] RIP: 0033:0x7f17a0c541b8 [ 20.667640][ T875] Code: Unable to access opcode bytes at 0x7f17a0c5418e. Code starting with the faulting instruction =========================================== [ 20.667641][ T875] RSP: 002b:00007ffe2ccc5bd8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 20.667644][ T875] RAX: ffffffffffffffda RBX: 00007f17a0d84f88 RCX: 00007f17a0c541b8 [ 20.667645][ T875] RDX: 00007f17a099efc8 RSI: fffffffffffffeb8 RDI: 0000000000000002 [ 20.667646][ T875] RBP: 00007ffe2ccc5c30 R08: 0000000000000000 R09: 0000000000008010 [ 20.667647][ T875] R10: 00007ffe2ccc59f0 R11: 0000000000000246 R12: 0000000000000001 Finger prints: netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print