====================================== | [ 9.381990][ T203] softirqs last disabled at (29881): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.381992][ T203] Preemption disabled at: | [ 9.381993][ T203] 0x0 | [ 9.382003][ T203] Tainted: [W]=WARN [ 9.382004][ T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.382005][ T203] Call Trace: [ 9.382007][ T203] [ 9.382009][ T203] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.382015][ T203] __might_resched.cold (kernel/sched/core.c:9234) [ 9.382020][ T203] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.382024][ T203] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.382028][ T203] __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)) [ 9.382030][ T203] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.382037][ T203] ? 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) [ 9.382040][ T203] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.382043][ T203] put_chars (drivers/char/virtio_console.c:1176) [ 9.382046][ T203] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.382047][ T203] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.382050][ T203] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.382056][ T203] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.382063][ T203] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.382066][ T203] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.382067][ T203] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.382071][ T203] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.382075][ T203] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.382077][ T203] ? 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)) [ 9.382080][ T203] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.382082][ T203] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.382086][ T203] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.382090][ T203] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.382092][ T203] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.382097][ T203] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.382100][ T203] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.382102][ T203] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.382104][ T203] ? 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) [ 9.382107][ T203] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.382109][ T203] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.382112][ T203] vprintk_emit (kernel/printk/printk.c:2479) [ 9.382115][ T203] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.382117][ T203] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.382121][ T203] _printk (kernel/printk/printk.c:2504) [ 9.382124][ T203] ? snapshot_read.cold (user.c:?) [ 9.382127][ T203] ? 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) [ 9.382130][ T203] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.382133][ T203] ? 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) [ 9.382136][ T203] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.382140][ T203] ? exit_notify (kernel/exit.c:780) [ 9.382141][ T203] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.382144][ T203] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.382147][ T203] do_group_exit (kernel/exit.c:1151) [ 9.382150][ T203] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.382152][ T203] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.382154][ T203] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.382158][ T203] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.382161][ T203] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.382163][ T203] RIP: 0033:0x7f3ea68fc1b8 [ 9.382165][ T203] Code: Unable to access opcode bytes at 0x7f3ea68fc18e. Code starting with the faulting instruction =========================================== [ 9.382166][ T203] RSP: 002b:00007ffc7eadea98 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.382168][ T203] RAX: ffffffffffffffda RBX: 00007f3ea6a2cf88 RCX: 00007f3ea68fc1b8 [ 9.382169][ T203] RDX: 00007f3ea6646fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.382170][ T203] RBP: 00007ffc7eadeaf0 R08: 0000000000000000 R09: 0000000000000050 [ 9.382171][ T203] R10: 00007ffc7eade8b0 R11: 0000000000000246 R12: 0000000000000001 [ 9.382172][ T203] R13: 0000000000000000 R14: 00007f3ea6a2b680 R15: 00007f3ea6a2cfa0 | [ 124.960193][ T6172] softirqs last disabled at (15824): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 124.960196][ T6172] Preemption disabled at: | [ 124.960196][ T6172] 0x0 | [ 124.960206][ T6172] Tainted: [W]=WARN [ 124.960207][ T6172] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 124.960209][ T6172] Call Trace: [ 124.960210][ T6172] [ 124.960211][ T6172] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 124.960218][ T6172] __might_resched.cold (kernel/sched/core.c:9234) [ 124.960222][ T6172] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 124.960227][ T6172] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 124.960231][ T6172] __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)) [ 124.960233][ T6172] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 124.960239][ T6172] ? 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) [ 124.960242][ T6172] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 124.960246][ T6172] put_chars (drivers/char/virtio_console.c:1176) [ 124.960248][ T6172] ? __send_to_port (drivers/char/virtio_console.c:654) [ 124.960249][ T6172] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 124.960253][ T6172] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 124.960258][ T6172] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 124.960265][ T6172] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 124.960268][ T6172] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 124.960270][ T6172] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 124.960274][ T6172] console_emit_next_record (kernel/printk/printk.c:3183) [ 124.960278][ T6172] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 124.960280][ T6172] ? 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)) [ 124.960283][ T6172] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 124.960285][ T6172] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 124.960288][ T6172] console_flush_one_record (kernel/printk/printk.c:3268) [ 124.960292][ T6172] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 124.960294][ T6172] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 124.960299][ T6172] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 124.960302][ T6172] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 124.960304][ T6172] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 124.960306][ T6172] ? 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) [ 124.960310][ T6172] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 124.960311][ T6172] ? vprintk_emit (kernel/printk/printk.c:2478) [ 124.960314][ T6172] vprintk_emit (kernel/printk/printk.c:2479) [ 124.960317][ T6172] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 124.960320][ T6172] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 124.960323][ T6172] _printk (kernel/printk/printk.c:2504) [ 124.960327][ T6172] ? snapshot_read.cold (user.c:?) [ 124.960329][ T6172] ? 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) [ 124.960332][ T6172] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 124.960336][ T6172] ? 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) [ 124.960339][ T6172] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 124.960342][ T6172] ? exit_notify (kernel/exit.c:780) [ 124.960344][ T6172] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 124.960346][ T6172] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 124.960350][ T6172] do_group_exit (kernel/exit.c:1151) [ 124.960353][ T6172] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 124.960354][ T6172] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 124.960357][ T6172] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 124.960360][ T6172] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 124.960363][ T6172] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 124.960365][ T6172] RIP: 0033:0x7f749c34d1b8 [ 124.960367][ T6172] Code: Unable to access opcode bytes at 0x7f749c34d18e. Code starting with the faulting instruction =========================================== [ 124.960368][ T6172] RSP: 002b:00007ffe4a994d68 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 124.960371][ T6172] RAX: ffffffffffffffda RBX: 00007f749c47df88 RCX: 00007f749c34d1b8 [ 124.960372][ T6172] RDX: 00007f749c097fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 124.960373][ T6172] RBP: 00007ffe4a994dc0 R08: 0000000000000000 R09: 0000000000008010 [ 124.960374][ T6172] R10: 00007ffe4a994b80 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