====================================== | [ 9.567918][ T176] softirqs last disabled at (18815): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.567920][ T176] Preemption disabled at: | [ 9.567921][ T176] 0x0 | [ 9.567931][ T176] Tainted: [W]=WARN [ 9.567932][ T176] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.567933][ T176] Call Trace: [ 9.567934][ T176] [ 9.567936][ T176] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.567942][ T176] __might_resched.cold (kernel/sched/core.c:9234) [ 9.567947][ T176] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.567951][ T176] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.567955][ T176] __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)) [ 9.567957][ T176] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.567964][ T176] ? 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) [ 9.567966][ T176] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.567971][ T176] put_chars (drivers/char/virtio_console.c:1176) [ 9.567974][ T176] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.567976][ T176] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.567980][ T176] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.567986][ T176] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.567993][ T176] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.567995][ T176] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.567998][ T176] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.568001][ T176] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.568005][ T176] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.568006][ T176] ? 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)) [ 9.568009][ T176] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.568011][ T176] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.568015][ T176] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.568019][ T176] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.568021][ T176] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.568025][ T176] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.568028][ T176] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.568029][ T176] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.568031][ T176] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.568035][ T176] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.568036][ T176] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.568039][ T176] vprintk_emit (kernel/printk/printk.c:2479) [ 9.568043][ T176] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.568046][ T176] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.568050][ T176] _printk (kernel/printk/printk.c:2504) [ 9.568053][ T176] ? snapshot_read.cold (user.c:?) [ 9.568056][ T176] ? 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) [ 9.568058][ T176] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.568062][ T176] ? 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) [ 9.568064][ T176] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.568068][ T176] ? exit_notify (kernel/exit.c:780) [ 9.568070][ T176] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.568072][ T176] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.568076][ T176] do_group_exit (kernel/exit.c:1151) [ 9.568079][ T176] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.568082][ T176] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.568084][ T176] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.568087][ T176] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.568090][ T176] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.568093][ T176] RIP: 0033:0x7f54049fb1b8 [ 9.568095][ T176] Code: Unable to access opcode bytes at 0x7f54049fb18e. Code starting with the faulting instruction =========================================== [ 9.568096][ T176] RSP: 002b:00007fff552aecf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.568098][ T176] RAX: ffffffffffffffda RBX: 00007f5404b2bf88 RCX: 00007f54049fb1b8 [ 9.568099][ T176] RDX: 00007f5404745fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.568100][ T176] RBP: 00007fff552aed50 R08: 0000000000000000 R09: 0000000000000050 [ 9.568101][ T176] R10: 00007fff552aeb10 R11: 0000000000000246 R12: 0000000000000001 [ 9.568102][ T176] R13: 0000000000000000 R14: 00007f5404b2a680 R15: 00007f5404b2bfa0 | [ 26.714426][ T699] softirqs last disabled at (25638): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 26.714429][ T699] Preemption disabled at: | [ 26.714430][ T699] 0x0 | [ 26.714440][ T699] Tainted: [W]=WARN [ 26.714441][ T699] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 26.714442][ T699] Call Trace: [ 26.714444][ T699] [ 26.714445][ T699] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 26.714452][ T699] __might_resched.cold (kernel/sched/core.c:9234) [ 26.714458][ T699] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 26.714462][ T699] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 26.714467][ T699] __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)) [ 26.714469][ T699] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 26.714475][ T699] ? 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) [ 26.714478][ T699] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 26.714481][ T699] put_chars (drivers/char/virtio_console.c:1176) [ 26.714484][ T699] ? __send_to_port (drivers/char/virtio_console.c:654) [ 26.714486][ T699] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 26.714491][ T699] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 26.714496][ T699] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 26.714503][ T699] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 26.714506][ T699] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.714508][ T699] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.714512][ T699] console_emit_next_record (kernel/printk/printk.c:3183) [ 26.714516][ T699] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 26.714517][ T699] ? 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)) [ 26.714520][ T699] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.714522][ T699] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.714526][ T699] console_flush_one_record (kernel/printk/printk.c:3268) [ 26.714530][ T699] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 26.714532][ T699] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.714537][ T699] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 26.714539][ T699] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 26.714541][ T699] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.714543][ T699] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 26.714546][ T699] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 26.714548][ T699] ? vprintk_emit (kernel/printk/printk.c:2478) [ 26.714551][ T699] vprintk_emit (kernel/printk/printk.c:2479) [ 26.714555][ T699] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 26.714558][ T699] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.714561][ T699] _printk (kernel/printk/printk.c:2504) [ 26.714565][ T699] ? snapshot_read.cold (user.c:?) [ 26.714568][ T699] ? 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) [ 26.714570][ T699] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 26.714574][ T699] ? 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) [ 26.714576][ T699] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 26.714580][ T699] ? exit_notify (kernel/exit.c:780) [ 26.714582][ T699] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 26.714585][ T699] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.714589][ T699] do_group_exit (kernel/exit.c:1151) [ 26.714592][ T699] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 26.714594][ T699] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 26.714596][ T699] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 26.714599][ T699] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 26.714603][ T699] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 26.714605][ T699] RIP: 0033:0x7fefdd2001b8 [ 26.714607][ T699] Code: Unable to access opcode bytes at 0x7fefdd20018e. Code starting with the faulting instruction =========================================== [ 26.714608][ T699] RSP: 002b:00007ffdf0dec458 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 26.714611][ T699] RAX: ffffffffffffffda RBX: 00007fefdd330f88 RCX: 00007fefdd2001b8 [ 26.714612][ T699] RDX: 00007fefdd13da48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 26.714613][ T699] RBP: 00007ffdf0dec4b0 R08: 0000000000000000 R09: 0000000000000000 [ 26.714614][ T699] R10: 00007ffdf0dec2f0 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