====================================== | [ 16.671261][ T671] softirqs last disabled at (32719): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 16.671264][ T671] Preemption disabled at: | [ 16.671264][ T671] 0x0 | [ 16.671274][ T671] Tainted: [W]=WARN [ 16.671275][ T671] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.671277][ T671] Call Trace: [ 16.671278][ T671] [ 16.671280][ T671] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 16.671285][ T671] __might_resched.cold (kernel/sched/core.c:9234) [ 16.671289][ T671] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 16.671292][ T671] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 16.671297][ T671] __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)) [ 16.671299][ T671] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.671305][ T671] ? 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) [ 16.671308][ T671] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.671311][ T671] put_chars (drivers/char/virtio_console.c:1176) [ 16.671314][ T671] ? __send_to_port (drivers/char/virtio_console.c:654) [ 16.671320][ T671] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 16.671327][ T671] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 16.671330][ T671] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.671334][ T671] console_emit_next_record (kernel/printk/printk.c:3183) [ 16.671337][ T671] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 16.671338][ T671] ? 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)) [ 16.671341][ T671] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.671344][ T671] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.671348][ T671] console_flush_one_record (kernel/printk/printk.c:3268) [ 16.671352][ T671] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 16.671353][ T671] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.671358][ T671] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 16.671360][ T671] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 16.671361][ T671] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.671363][ T671] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 16.671367][ T671] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 16.671369][ T671] ? vprintk_emit (kernel/printk/printk.c:2478) [ 16.671371][ T671] vprintk_emit (kernel/printk/printk.c:2479) [ 16.671375][ T671] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 16.671377][ T671] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.671381][ T671] _printk (kernel/printk/printk.c:2504) [ 16.671384][ T671] ? snapshot_read.cold (user.c:?) [ 16.671387][ T671] ? 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) [ 16.671390][ T671] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 16.671394][ T671] ? 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) [ 16.671396][ T671] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 16.671400][ T671] ? exit_notify (kernel/exit.c:780) [ 16.671402][ T671] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.671404][ T671] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.671408][ T671] do_group_exit (kernel/exit.c:1151) [ 16.671411][ T671] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 16.671413][ T671] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 16.671415][ T671] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 16.671419][ T671] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 16.671422][ T671] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 16.671424][ T671] RIP: 0033:0x7fa226d251b8 [ 16.671426][ T671] Code: Unable to access opcode bytes at 0x7fa226d2518e. Code starting with the faulting instruction =========================================== [ 16.671427][ T671] RSP: 002b:00007ffda7fc4c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 16.671429][ T671] RAX: ffffffffffffffda RBX: 00007fa226e55f88 RCX: 00007fa226d251b8 [ 16.671431][ T671] RDX: 00007fa226b26a48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 16.671432][ T671] RBP: 00007ffda7fc4cd0 R08: 0000000000000000 R09: 0000000000080000 [ 16.671433][ T671] R10: 00007ffda7fc4a90 R11: 0000000000000246 R12: 0000000000000001 [ 16.671433][ T671] R13: 0000000000000000 R14: 00007fa226e54680 R15: 00007fa226e55fa0 | [ 298.862376][T15178] softirqs last disabled at (38024): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 298.862378][T15178] Preemption disabled at: | [ 298.862379][T15178] 0x0 | [ 298.862388][T15178] Tainted: [W]=WARN [ 298.862389][T15178] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 298.862391][T15178] Call Trace: [ 298.862393][T15178] [ 298.862394][T15178] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 298.862399][T15178] __might_resched.cold (kernel/sched/core.c:9234) [ 298.862404][T15178] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 298.862407][T15178] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 298.862412][T15178] __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)) [ 298.862414][T15178] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 298.862420][T15178] ? 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) [ 298.862423][T15178] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 298.862426][T15178] put_chars (drivers/char/virtio_console.c:1176) [ 298.862429][T15178] ? __send_to_port (drivers/char/virtio_console.c:654) [ 298.862435][T15178] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 298.862442][T15178] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 298.862445][T15178] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 298.862449][T15178] console_emit_next_record (kernel/printk/printk.c:3183) [ 298.862453][T15178] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 298.862454][T15178] ? 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)) [ 298.862456][T15178] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 298.862460][T15178] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 298.862464][T15178] console_flush_one_record (kernel/printk/printk.c:3268) [ 298.862467][T15178] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 298.862468][T15178] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 298.862474][T15178] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 298.862476][T15178] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 298.862477][T15178] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 298.862479][T15178] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 298.862483][T15178] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 298.862485][T15178] ? vprintk_emit (kernel/printk/printk.c:2478) [ 298.862488][T15178] vprintk_emit (kernel/printk/printk.c:2479) [ 298.862491][T15178] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 298.862494][T15178] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 298.862497][T15178] _printk (kernel/printk/printk.c:2504) [ 298.862501][T15178] ? snapshot_read.cold (user.c:?) [ 298.862504][T15178] ? 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) [ 298.862506][T15178] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 298.862510][T15178] ? 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) [ 298.862513][T15178] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 298.862517][T15178] ? exit_notify (kernel/exit.c:780) [ 298.862519][T15178] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 298.862521][T15178] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 298.862525][T15178] do_group_exit (kernel/exit.c:1151) [ 298.862528][T15178] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 298.862530][T15178] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 298.862532][T15178] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 298.862536][T15178] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 298.862539][T15178] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 298.862541][T15178] RIP: 0033:0x7efe568751b8 [ 298.862543][T15178] Code: Unable to access opcode bytes at 0x7efe5687518e. Code starting with the faulting instruction =========================================== [ 298.862544][T15178] RSP: 002b:00007fff31ff3028 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 298.862547][T15178] RAX: ffffffffffffffda RBX: 00007efe569a5f88 RCX: 00007efe568751b8 [ 298.862548][T15178] RDX: 00007efe565bffc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 298.862549][T15178] RBP: 00007fff31ff3080 R08: 0000000000000000 R09: 0000000000008010 [ 298.862550][T15178] R10: 00007fff31ff2e40 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