====================================== | [ 9.538244][ T207] softirqs last disabled at (19147): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.538246][ T207] Preemption disabled at: | [ 9.538247][ T207] 0x0 | [ 9.538257][ T207] Tainted: [W]=WARN [ 9.538258][ T207] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.538260][ T207] Call Trace: [ 9.538261][ T207] [ 9.538263][ T207] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.538270][ T207] __might_resched.cold (kernel/sched/core.c:9234) [ 9.538274][ T207] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.538278][ T207] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.538282][ T207] __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)) [ 9.538284][ T207] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.538291][ T207] ? 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) [ 9.538294][ T207] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.538297][ T207] put_chars (drivers/char/virtio_console.c:1176) [ 9.538299][ T207] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.538301][ T207] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.538304][ T207] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.538309][ T207] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.538316][ T207] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.538319][ T207] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.538321][ T207] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.538325][ T207] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.538329][ T207] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.538330][ T207] ? 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)) [ 9.538334][ T207] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.538335][ T207] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.538339][ T207] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.538343][ T207] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.538345][ T207] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.538350][ T207] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.538353][ T207] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.538355][ T207] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.538357][ T207] ? 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) [ 9.538360][ T207] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.538362][ T207] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.538365][ T207] vprintk_emit (kernel/printk/printk.c:2479) [ 9.538367][ T207] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.538370][ T207] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.538374][ T207] _printk (kernel/printk/printk.c:2504) [ 9.538378][ T207] ? snapshot_read.cold (user.c:?) [ 9.538380][ T207] ? 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) [ 9.538383][ T207] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.538387][ T207] ? 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) [ 9.538389][ T207] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.538393][ T207] ? exit_notify (kernel/exit.c:780) [ 9.538394][ T207] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.538397][ T207] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.538400][ T207] do_group_exit (kernel/exit.c:1151) [ 9.538403][ T207] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.538405][ T207] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.538407][ T207] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.538411][ T207] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.538414][ T207] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.538417][ T207] RIP: 0033:0x7f03ec3151b8 [ 9.538419][ T207] Code: Unable to access opcode bytes at 0x7f03ec31518e. Code starting with the faulting instruction =========================================== [ 9.538420][ T207] RSP: 002b:00007fff66d899b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.538422][ T207] RAX: ffffffffffffffda RBX: 00007f03ec445f88 RCX: 00007f03ec3151b8 [ 9.538424][ T207] RDX: 00007f03ec05ffc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.538424][ T207] RBP: 00007fff66d89a10 R08: 0000000000000000 R09: 0000000000000050 [ 9.538425][ T207] R10: 00007fff66d897d0 R11: 0000000000000246 R12: 0000000000000001 [ 9.538426][ T207] R13: 0000000000000000 R14: 00007f03ec444680 R15: 00007f03ec445fa0 | [ 18.528891][ T703] softirqs last disabled at (38100): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 18.528893][ T703] Preemption disabled at: | [ 18.528894][ T703] 0x0 | [ 18.528904][ T703] Tainted: [W]=WARN [ 18.528905][ T703] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 18.528907][ T703] Call Trace: [ 18.528908][ T703] [ 18.528910][ T703] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 18.528916][ T703] __might_resched.cold (kernel/sched/core.c:9234) [ 18.528920][ T703] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 18.528928][ T703] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 18.528933][ T703] __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)) [ 18.528935][ T703] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.528941][ T703] ? 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) [ 18.528944][ T703] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.528948][ T703] put_chars (drivers/char/virtio_console.c:1176) [ 18.528950][ T703] ? __send_to_port (drivers/char/virtio_console.c:654) [ 18.528951][ T703] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 18.528955][ T703] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 18.528960][ T703] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 18.528967][ T703] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 18.528970][ T703] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.528972][ T703] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.528976][ T703] console_emit_next_record (kernel/printk/printk.c:3183) [ 18.528980][ T703] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 18.528982][ T703] ? 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)) [ 18.528985][ T703] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.528986][ T703] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.528990][ T703] console_flush_one_record (kernel/printk/printk.c:3268) [ 18.528994][ T703] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 18.528996][ T703] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.529001][ T703] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 18.529004][ T703] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 18.529006][ T703] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.529008][ T703] ? 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) [ 18.529011][ T703] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 18.529013][ T703] ? vprintk_emit (kernel/printk/printk.c:2478) [ 18.529016][ T703] vprintk_emit (kernel/printk/printk.c:2479) [ 18.529019][ T703] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 18.529021][ T703] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.529025][ T703] _printk (kernel/printk/printk.c:2504) [ 18.529029][ T703] ? snapshot_read.cold (user.c:?) [ 18.529031][ T703] ? 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) [ 18.529034][ T703] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 18.529038][ T703] ? 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) [ 18.529040][ T703] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 18.529044][ T703] ? exit_notify (kernel/exit.c:780) [ 18.529046][ T703] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 18.529048][ T703] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.529052][ T703] do_group_exit (kernel/exit.c:1151) [ 18.529054][ T703] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 18.529056][ T703] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 18.529059][ T703] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 18.529063][ T703] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 18.529066][ T703] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 18.529068][ T703] RIP: 0033:0x7f3a4dd4b1b8 [ 18.529070][ T703] Code: Unable to access opcode bytes at 0x7f3a4dd4b18e. Code starting with the faulting instruction =========================================== [ 18.529071][ T703] RSP: 002b:00007ffe4a2002f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 18.529073][ T703] RAX: ffffffffffffffda RBX: 00007f3a4de7bf88 RCX: 00007f3a4dd4b1b8 [ 18.529074][ T703] RDX: 00007f3a4da95fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 18.529075][ T703] RBP: 00007ffe4a200350 R08: 0000000000000000 R09: 0000000000000000 [ 18.529076][ T703] R10: 00007ffe4a200110 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