====================================== | [ 11.043233][ T178] softirqs last disabled at (15053): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 11.043235][ T178] Preemption disabled at: | [ 11.043236][ T178] 0x0 | [ 11.043247][ T178] Tainted: [W]=WARN [ 11.043248][ T178] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.043250][ T178] Call Trace: [ 11.043252][ T178] [ 11.043253][ T178] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.043260][ T178] __might_resched.cold (kernel/sched/core.c:9234) [ 11.043265][ T178] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.043270][ T178] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.043275][ T178] __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)) [ 11.043278][ T178] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.043284][ T178] ? 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) [ 11.043287][ T178] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.043290][ T178] put_chars (drivers/char/virtio_console.c:1176) [ 11.043293][ T178] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.043294][ T178] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.043299][ T178] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.043305][ T178] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.043312][ T178] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.043314][ T178] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.043317][ T178] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.043321][ T178] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.043328][ T178] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.043330][ T178] ? 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)) [ 11.043333][ T178] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.043336][ T178] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.043340][ T178] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.043345][ T178] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.043346][ T178] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.043352][ T178] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.043355][ T178] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.043357][ T178] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.043359][ T178] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 11.043363][ T178] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.043365][ T178] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.043369][ T178] vprintk_emit (kernel/printk/printk.c:2479) [ 11.043373][ T178] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.043377][ T178] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.043381][ T178] _printk (kernel/printk/printk.c:2504) [ 11.043385][ T178] ? snapshot_read.cold (user.c:?) [ 11.043388][ T178] ? 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) [ 11.043391][ T178] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.043396][ T178] ? 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) [ 11.043399][ T178] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 11.043403][ T178] ? exit_notify (kernel/exit.c:780) [ 11.043405][ T178] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.043409][ T178] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.043414][ T178] do_group_exit (kernel/exit.c:1151) [ 11.043417][ T178] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 11.043419][ T178] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 11.043422][ T178] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.043425][ T178] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.043428][ T178] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.043431][ T178] RIP: 0033:0x7febb38651b8 [ 11.043433][ T178] Code: Unable to access opcode bytes at 0x7febb386518e. Code starting with the faulting instruction =========================================== [ 11.043435][ T178] RSP: 002b:00007ffc115775b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.043437][ T178] RAX: ffffffffffffffda RBX: 00007febb3995f88 RCX: 00007febb38651b8 [ 11.043439][ T178] RDX: 00007febb37a2a48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 11.043440][ T178] RBP: 00007ffc11577610 R08: 0000000000000000 R09: 0000000000001010 [ 11.043441][ T178] R10: 00007ffc11577450 R11: 0000000000000246 R12: 0000000000000002 [ 11.043442][ T178] R13: 0000000000000000 R14: 00007febb3994680 R15: 00007febb3995fa0 | [ 12.243289][ T226] softirqs last disabled at (17804): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 12.243292][ T226] Preemption disabled at: | [ 12.243292][ T226] 0x0 | [ 12.243303][ T226] Tainted: [W]=WARN [ 12.243304][ T226] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.243306][ T226] Call Trace: [ 12.243307][ T226] [ 12.243309][ T226] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.243316][ T226] __might_resched.cold (kernel/sched/core.c:9234) [ 12.243320][ T226] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.243326][ T226] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.243332][ T226] __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)) [ 12.243334][ T226] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.243340][ T226] ? 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) [ 12.243342][ T226] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.243345][ T226] put_chars (drivers/char/virtio_console.c:1176) [ 12.243348][ T226] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.243350][ T226] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.243355][ T226] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.243360][ T226] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.243366][ T226] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.243368][ T226] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.243371][ T226] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.243375][ T226] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.243379][ T226] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.243381][ T226] ? 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)) [ 12.243385][ T226] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.243387][ T226] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.243391][ T226] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.243395][ T226] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.243397][ T226] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.243403][ T226] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.243405][ T226] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.243407][ T226] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.243410][ T226] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.243413][ T226] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.243415][ T226] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.243419][ T226] vprintk_emit (kernel/printk/printk.c:2479) [ 12.243423][ T226] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.243426][ T226] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.243430][ T226] _printk (kernel/printk/printk.c:2504) [ 12.243434][ T226] ? snapshot_read.cold (user.c:?) [ 12.243437][ T226] ? 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) [ 12.243439][ T226] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.243443][ T226] ? 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) [ 12.243446][ T226] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 12.243450][ T226] ? exit_notify (kernel/exit.c:780) [ 12.243452][ T226] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.243455][ T226] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.243459][ T226] do_group_exit (kernel/exit.c:1151) [ 12.243462][ T226] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 12.243464][ T226] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 12.243466][ T226] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.243469][ T226] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.243472][ T226] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.243474][ T226] RIP: 0033:0x7f71942861b8 [ 12.243477][ T226] Code: Unable to access opcode bytes at 0x7f719428618e. Code starting with the faulting instruction =========================================== [ 12.243478][ T226] RSP: 002b:00007ffe9e212658 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 12.243480][ T226] RAX: ffffffffffffffda RBX: 00007f71943b6f88 RCX: 00007f71942861b8 [ 12.243482][ T226] RDX: 00007f7193fd0fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 12.243483][ T226] RBP: 00007ffe9e2126b0 R08: 0000000000000000 R09: 0000000000000060 [ 12.243484][ T226] R10: 00007ffe9e212470 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