====================================== | [ 9.186741][ T195] softirqs last disabled at (20042): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 9.186743][ T195] Preemption disabled at: | [ 9.186744][ T195] 0x0 | [ 9.186754][ T195] Tainted: [W]=WARN [ 9.186755][ T195] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.186757][ T195] Call Trace: [ 9.186759][ T195] [ 9.186760][ T195] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.186767][ T195] __might_resched.cold (kernel/sched/core.c:9234) [ 9.186771][ T195] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.186775][ T195] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.186780][ T195] __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)) [ 9.186781][ T195] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.186788][ T195] ? 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) [ 9.186791][ T195] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.186794][ T195] put_chars (drivers/char/virtio_console.c:1176) [ 9.186797][ T195] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.186798][ T195] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.186801][ T195] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.186807][ T195] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.186814][ T195] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.186817][ T195] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.186818][ T195] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.186822][ T195] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.186826][ T195] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.186828][ T195] ? 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)) [ 9.186832][ T195] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.186833][ T195] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.186837][ T195] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.186841][ T195] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.186843][ T195] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.186848][ T195] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.186851][ T195] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.186853][ T195] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.186854][ T195] ? 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) [ 9.186858][ T195] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.186860][ T195] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.186862][ T195] vprintk_emit (kernel/printk/printk.c:2479) [ 9.186865][ T195] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.186868][ T195] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.186872][ T195] _printk (kernel/printk/printk.c:2504) [ 9.186876][ T195] ? snapshot_read.cold (user.c:?) [ 9.186878][ T195] ? 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) [ 9.186881][ T195] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.186885][ T195] ? 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) [ 9.186887][ T195] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.186891][ T195] ? exit_notify (kernel/exit.c:780) [ 9.186892][ T195] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.186895][ T195] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.186899][ T195] do_group_exit (kernel/exit.c:1151) [ 9.186902][ T195] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.186903][ T195] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.186906][ T195] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.186910][ T195] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.186913][ T195] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.186915][ T195] RIP: 0033:0x7f88057c71b8 [ 9.186917][ T195] Code: Unable to access opcode bytes at 0x7f88057c718e. Code starting with the faulting instruction =========================================== [ 9.186918][ T195] RSP: 002b:00007ffdb57e6f18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.186920][ T195] RAX: ffffffffffffffda RBX: 00007f88058f7f88 RCX: 00007f88057c71b8 [ 9.186921][ T195] RDX: 00007f8805511fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.186922][ T195] RBP: 00007ffdb57e6f70 R08: 0000000000000000 R09: 0000000000000050 [ 9.186923][ T195] R10: 00007ffdb57e6d30 R11: 0000000000000246 R12: 0000000000000001 [ 9.186924][ T195] R13: 0000000000000000 R14: 00007f88058f6680 R15: 00007f88058f7fa0 | [ 10.773319][ T245] softirqs last disabled at (26567): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.773322][ T245] Preemption disabled at: | [ 10.773322][ T245] 0x0 | [ 10.773332][ T245] Tainted: [W]=WARN [ 10.773333][ T245] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.773335][ T245] Call Trace: [ 10.773337][ T245] [ 10.773338][ T245] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.773345][ T245] __might_resched.cold (kernel/sched/core.c:9234) [ 10.773349][ T245] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.773353][ T245] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.773358][ T245] __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)) [ 10.773359][ T245] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.773366][ T245] ? 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) [ 10.773369][ T245] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.773373][ T245] put_chars (drivers/char/virtio_console.c:1176) [ 10.773375][ T245] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.773376][ T245] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.773380][ T245] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.773385][ T245] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.773392][ T245] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.773395][ T245] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.773397][ T245] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.773401][ T245] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.773404][ T245] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.773406][ T245] ? 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)) [ 10.773409][ T245] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.773411][ T245] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.773415][ T245] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.773419][ T245] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.773421][ T245] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.773426][ T245] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.773429][ T245] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.773431][ T245] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.773432][ T245] ? 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) [ 10.773436][ T245] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.773438][ T245] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.773440][ T245] vprintk_emit (kernel/printk/printk.c:2479) [ 10.773443][ T245] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.773446][ T245] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.773450][ T245] _printk (kernel/printk/printk.c:2504) [ 10.773453][ T245] ? snapshot_read.cold (user.c:?) [ 10.773456][ T245] ? 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) [ 10.773458][ T245] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.773462][ T245] ? 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) [ 10.773465][ T245] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.773469][ T245] ? exit_notify (kernel/exit.c:780) [ 10.773470][ T245] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.773473][ T245] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.773476][ T245] do_group_exit (kernel/exit.c:1151) [ 10.773479][ T245] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.773481][ T245] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.773483][ T245] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.773487][ T245] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.773490][ T245] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.773492][ T245] RIP: 0033:0x7fdd35e2b1b8 [ 10.773494][ T245] Code: Unable to access opcode bytes at 0x7fdd35e2b18e. Code starting with the faulting instruction =========================================== [ 10.773495][ T245] RSP: 002b:00007fff383eb328 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.773497][ T245] RAX: ffffffffffffffda RBX: 00007fdd35f5bf88 RCX: 00007fdd35e2b1b8 [ 10.773499][ T245] RDX: 00007fdd35b75fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.773500][ T245] RBP: 00007fff383eb380 R08: 0000000000000000 R09: 0000000000000050 [ 10.773501][ T245] R10: 00007fff383eb140 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