====================================== | [ 11.803228][ T256] softirqs last disabled at (36140): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 11.803230][ T256] Preemption disabled at: | [ 11.803231][ T256] 0x0 | [ 11.803241][ T256] Tainted: [W]=WARN [ 11.803242][ T256] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.803243][ T256] Call Trace: [ 11.803245][ T256] [ 11.803246][ T256] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.803252][ T256] __might_resched.cold (kernel/sched/core.c:9234) [ 11.803257][ T256] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.803261][ T256] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.803266][ T256] __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)) [ 11.803268][ T256] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.803274][ T256] ? 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) [ 11.803277][ T256] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.803280][ T256] put_chars (drivers/char/virtio_console.c:1176) [ 11.803283][ T256] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.803285][ T256] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.803290][ T256] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.803295][ T256] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.803301][ T256] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.803304][ T256] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.803306][ T256] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.803310][ T256] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.803314][ T256] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.803315][ T256] ? 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)) [ 11.803319][ T256] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.803321][ T256] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.803325][ T256] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.803329][ T256] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.803331][ T256] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.803336][ T256] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.803338][ T256] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.803340][ T256] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.803343][ T256] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 11.803346][ T256] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.803348][ T256] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.803351][ T256] vprintk_emit (kernel/printk/printk.c:2479) [ 11.803355][ T256] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.803358][ T256] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.803362][ T256] _printk (kernel/printk/printk.c:2504) [ 11.803366][ T256] ? snapshot_read.cold (user.c:?) [ 11.803369][ T256] ? 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) [ 11.803372][ T256] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.803375][ T256] ? 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) [ 11.803378][ T256] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 11.803382][ T256] ? exit_notify (kernel/exit.c:780) [ 11.803383][ T256] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.803386][ T256] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.803390][ T256] do_group_exit (kernel/exit.c:1151) [ 11.803393][ T256] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 11.803394][ T256] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 11.803397][ T256] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.803400][ T256] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.803403][ T256] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.803406][ T256] RIP: 0033:0x7f10e46e31b8 [ 11.803408][ T256] Code: Unable to access opcode bytes at 0x7f10e46e318e. Code starting with the faulting instruction =========================================== [ 11.803409][ T256] RSP: 002b:00007ffe49c47808 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.803412][ T256] RAX: ffffffffffffffda RBX: 00007f10e4813f88 RCX: 00007f10e46e31b8 [ 11.803413][ T256] RDX: 00007f10e442dfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 11.803414][ T256] RBP: 00007ffe49c47860 R08: 0000000000000000 R09: 0000000000000000 [ 11.803415][ T256] R10: 00007ffe49c47620 R11: 0000000000000246 R12: 0000000000000001 [ 11.803416][ T256] R13: 0000000000000000 R14: 00007f10e4812680 R15: 00007f10e4813fa0 | [ 21.340782][ T517] softirqs last disabled at (7758333): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 21.340784][ T517] Preemption disabled at: | [ 21.340784][ T517] 0x0 | [ 21.340795][ T517] Tainted: [W]=WARN [ 21.340796][ T517] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 21.340797][ T517] Call Trace: [ 21.340799][ T517] [ 21.340800][ T517] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 21.340807][ T517] __might_resched.cold (kernel/sched/core.c:9234) [ 21.340811][ T517] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 21.340815][ T517] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 21.340820][ T517] __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)) [ 21.340823][ T517] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 21.340829][ T517] ? 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) [ 21.340831][ T517] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 21.340835][ T517] put_chars (drivers/char/virtio_console.c:1176) [ 21.340837][ T517] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 21.340839][ T517] ? __send_to_port (drivers/char/virtio_console.c:654) [ 21.340842][ T517] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 21.340847][ T517] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 21.340849][ T517] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 21.340853][ T517] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 21.340856][ T517] ? mark_usage (kernel/locking/lockdep.c:4690) [ 21.340858][ T517] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.340860][ T517] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.340863][ T517] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 21.340866][ T517] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 21.340869][ T517] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.340871][ T517] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.340875][ T517] console_emit_next_record (kernel/printk/printk.c:3183) [ 21.340879][ T517] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 21.340881][ T517] ? 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)) [ 21.340884][ T517] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.340887][ T517] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.340890][ T517] console_flush_one_record (kernel/printk/printk.c:3268) [ 21.340895][ T517] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 21.340896][ T517] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.340902][ T517] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 21.340904][ T517] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 21.340906][ T517] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.340909][ T517] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 21.340912][ T517] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 21.340914][ T517] ? vprintk_emit (kernel/printk/printk.c:2478) [ 21.340917][ T517] vprintk_emit (kernel/printk/printk.c:2479) [ 21.340921][ T517] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 21.340925][ T517] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.340928][ T517] _printk (kernel/printk/printk.c:2504) [ 21.340932][ T517] ? snapshot_read.cold (user.c:?) [ 21.340934][ T517] ? 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) [ 21.340937][ T517] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 21.340941][ T517] ? 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) [ 21.340943][ T517] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 21.340947][ T517] ? exit_notify (kernel/exit.c:780) [ 21.340952][ T517] __x64_sys_exit (kernel/exit.c:1118 kernel/exit.c:1116 kernel/exit.c:1116) [ 21.340954][ T517] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:61) [ 21.340957][ T517] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 21.340961][ T517] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 21.340964][ T517] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 21.340966][ T517] RIP: 0033:0x7f75d84d8c49 [ 21.340968][ T517] Code: Unable to access opcode bytes at 0x7f75d84d8c1f. Code starting with the faulting instruction =========================================== [ 21.340969][ T517] RSP: 002b:00007f75d7c97e60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 21.340972][ T517] RAX: ffffffffffffffda RBX: 00007f75d7c986c0 RCX: 00007f75d84d8c49 [ 21.340973][ T517] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 21.340974][ T517] RBP: 00007f75d7c97f70 R08: 0000000000000001 R09: 00007f75d7c986c0 [ 21.340975][ T517] R10: 0000000000000008 R11: 0000000000000246 R12: 00007f75d7498000 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print