====================================== | [ 9.364158][ T198] softirqs last disabled at (39917): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.364161][ T198] Preemption disabled at: | [ 9.364161][ T198] 0x0 | [ 9.364171][ T198] Tainted: [W]=WARN [ 9.364172][ T198] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.364173][ T198] Call Trace: [ 9.364175][ T198] [ 9.364176][ T198] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.364182][ T198] __might_resched.cold (kernel/sched/core.c:9234) [ 9.364187][ T198] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.364191][ T198] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.364195][ T198] __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)) [ 9.364197][ T198] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.364204][ T198] ? 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) [ 9.364206][ T198] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.364210][ T198] put_chars (drivers/char/virtio_console.c:1176) [ 9.364212][ T198] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.364213][ T198] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.364217][ T198] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.364222][ T198] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.364230][ T198] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.364232][ T198] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.364234][ T198] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.364238][ T198] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.364242][ T198] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.364244][ T198] ? 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)) [ 9.364247][ T198] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.364249][ T198] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.364253][ T198] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.364257][ T198] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.364259][ T198] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.364264][ T198] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.364267][ T198] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.364269][ T198] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.364271][ T198] ? 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) [ 9.364274][ T198] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.364276][ T198] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.364279][ T198] vprintk_emit (kernel/printk/printk.c:2479) [ 9.364282][ T198] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.364284][ T198] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.364288][ T198] _printk (kernel/printk/printk.c:2504) [ 9.364292][ T198] ? snapshot_read.cold (user.c:?) [ 9.364294][ T198] ? 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) [ 9.364297][ T198] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.364301][ T198] ? 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) [ 9.364303][ T198] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.364307][ T198] ? exit_notify (kernel/exit.c:780) [ 9.364308][ T198] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.364311][ T198] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.364314][ T198] do_group_exit (kernel/exit.c:1151) [ 9.364317][ T198] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.364319][ T198] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.364321][ T198] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.364325][ T198] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.364331][ T198] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.364333][ T198] RIP: 0033:0x7f65dfea11b8 [ 9.364335][ T198] Code: Unable to access opcode bytes at 0x7f65dfea118e. Code starting with the faulting instruction =========================================== [ 9.364336][ T198] RSP: 002b:00007ffd137ac3a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.364339][ T198] RAX: ffffffffffffffda RBX: 00007f65dffd1f88 RCX: 00007f65dfea11b8 [ 9.364340][ T198] RDX: 00007f65dfbebfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.364341][ T198] RBP: 00007ffd137ac400 R08: 0000000000000000 R09: 0000000000008010 [ 9.364342][ T198] R10: 00007ffd137ac1c0 R11: 0000000000000246 R12: 0000000000000001 [ 9.364343][ T198] R13: 0000000000000000 R14: 00007f65dffd0680 R15: 00007f65dffd1fa0 | [ 14.249637][ T411] softirqs last disabled at (30496): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 14.249639][ T411] Preemption disabled at: | [ 14.249640][ T411] 0x0 | [ 14.249650][ T411] Tainted: [W]=WARN [ 14.249651][ T411] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.249652][ T411] Call Trace: [ 14.249653][ T411] [ 14.249655][ T411] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.249661][ T411] __might_resched.cold (kernel/sched/core.c:9234) [ 14.249665][ T411] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.249670][ T411] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 14.249674][ T411] __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)) [ 14.249675][ T411] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.249682][ T411] ? 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) [ 14.249684][ T411] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.249688][ T411] put_chars (drivers/char/virtio_console.c:1176) [ 14.249690][ T411] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.249692][ T411] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.249695][ T411] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.249700][ T411] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.249708][ T411] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.249710][ T411] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.249712][ T411] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.249716][ T411] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.249720][ T411] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.249721][ T411] ? 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)) [ 14.249725][ T411] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.249726][ T411] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.249730][ T411] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.249734][ T411] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.249736][ T411] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.249741][ T411] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.249744][ T411] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.249746][ T411] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.249747][ T411] ? 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) [ 14.249751][ T411] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.249753][ T411] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.249755][ T411] vprintk_emit (kernel/printk/printk.c:2479) [ 14.249758][ T411] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.249761][ T411] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.249765][ T411] _printk (kernel/printk/printk.c:2504) [ 14.249768][ T411] ? snapshot_read.cold (user.c:?) [ 14.249771][ T411] ? 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) [ 14.249774][ T411] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 14.249777][ T411] ? 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) [ 14.249780][ T411] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 14.249784][ T411] ? exit_notify (kernel/exit.c:780) [ 14.249785][ T411] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.249788][ T411] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.249791][ T411] do_group_exit (kernel/exit.c:1151) [ 14.249794][ T411] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 14.249796][ T411] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 14.249798][ T411] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 14.249802][ T411] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 14.249805][ T411] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 14.249807][ T411] RIP: 0033:0x7f107e12a1b8 [ 14.249809][ T411] Code: Unable to access opcode bytes at 0x7f107e12a18e. Code starting with the faulting instruction =========================================== [ 14.249810][ T411] RSP: 002b:00007fffc29c6948 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 14.249812][ T411] RAX: ffffffffffffffda RBX: 00007f107e25af88 RCX: 00007f107e12a1b8 [ 14.249813][ T411] RDX: 00007f107de74fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 14.249814][ T411] RBP: 00007fffc29c69a0 R08: 0000000000000000 R09: 0000000000008010 [ 14.249815][ T411] R10: 00007fffc29c6760 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