====================================== | [ 11.048870][ T200] softirqs last disabled at (24773): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 11.048873][ T200] Preemption disabled at: | [ 11.048873][ T200] 0x0 | [ 11.048884][ T200] Tainted: [W]=WARN [ 11.048885][ T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.048886][ T200] Call Trace: [ 11.048888][ T200] [ 11.048889][ T200] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.048896][ T200] __might_resched.cold (kernel/sched/core.c:9234) [ 11.048901][ T200] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.048905][ T200] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.048909][ T200] __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)) [ 11.048911][ T200] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.048918][ T200] ? 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) [ 11.048921][ T200] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.048925][ T200] put_chars (drivers/char/virtio_console.c:1176) [ 11.048927][ T200] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.048928][ T200] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.048932][ T200] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.048938][ T200] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.048945][ T200] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.048948][ T200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.048950][ T200] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.048954][ T200] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.048958][ T200] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.048960][ T200] ? 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)) [ 11.048964][ T200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.048965][ T200] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.048969][ T200] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.048974][ T200] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.048976][ T200] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.048981][ T200] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.048984][ T200] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.048986][ T200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.048988][ T200] ? 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) [ 11.048991][ T200] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.048993][ T200] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.048996][ T200] vprintk_emit (kernel/printk/printk.c:2479) [ 11.048999][ T200] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.049002][ T200] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.049006][ T200] _printk (kernel/printk/printk.c:2504) [ 11.049010][ T200] ? snapshot_read.cold (user.c:?) [ 11.049013][ T200] ? 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) [ 11.049015][ T200] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.049019][ T200] ? 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) [ 11.049022][ T200] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 11.049026][ T200] ? exit_notify (kernel/exit.c:780) [ 11.049027][ T200] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.049030][ T200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.049034][ T200] do_group_exit (kernel/exit.c:1151) [ 11.049036][ T200] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 11.049038][ T200] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 11.049041][ T200] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.049045][ T200] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.049048][ T200] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.049050][ T200] RIP: 0033:0x7f82a99671b8 [ 11.049052][ T200] Code: Unable to access opcode bytes at 0x7f82a996718e. Code starting with the faulting instruction =========================================== [ 11.049054][ T200] RSP: 002b:00007fff9c949788 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.049056][ T200] RAX: ffffffffffffffda RBX: 00007f82a9a97f88 RCX: 00007f82a99671b8 [ 11.049057][ T200] RDX: 00007f82a96b1fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 11.049058][ T200] RBP: 00007fff9c9497e0 R08: 0000000000000000 R09: 0000000000000050 [ 11.049059][ T200] R10: 00007fff9c9495a0 R11: 0000000000000246 R12: 0000000000000001 [ 11.049060][ T200] R13: 0000000000000000 R14: 00007f82a9a96680 R15: 00007f82a9a97fa0 | [ 12.616062][ T234] softirqs last disabled at (38412): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 12.616065][ T234] Preemption disabled at: | [ 12.616065][ T234] 0x0 | [ 12.616075][ T234] Tainted: [W]=WARN [ 12.616076][ T234] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.616078][ T234] Call Trace: [ 12.616079][ T234] [ 12.616081][ T234] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.616088][ T234] __might_resched.cold (kernel/sched/core.c:9234) [ 12.616092][ T234] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.616096][ T234] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.616101][ T234] __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)) [ 12.616103][ T234] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.616109][ T234] ? 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) [ 12.616111][ T234] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.616115][ T234] put_chars (drivers/char/virtio_console.c:1176) [ 12.616118][ T234] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.616119][ T234] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.616122][ T234] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.616128][ T234] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.616135][ T234] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.616138][ T234] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.616140][ T234] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.616144][ T234] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.616148][ T234] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.616150][ T234] ? 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)) [ 12.616155][ T234] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.616156][ T234] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.616160][ T234] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.616164][ T234] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.616166][ T234] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.616171][ T234] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.616174][ T234] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.616176][ T234] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.616178][ T234] ? 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) [ 12.616181][ T234] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.616183][ T234] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.616186][ T234] vprintk_emit (kernel/printk/printk.c:2479) [ 12.616189][ T234] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.616192][ T234] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.616195][ T234] _printk (kernel/printk/printk.c:2504) [ 12.616199][ T234] ? snapshot_read.cold (user.c:?) [ 12.616202][ T234] ? 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) [ 12.616204][ T234] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.616208][ T234] ? 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) [ 12.616211][ T234] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 12.616214][ T234] ? exit_notify (kernel/exit.c:780) [ 12.616216][ T234] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.616218][ T234] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.616222][ T234] do_group_exit (kernel/exit.c:1151) [ 12.616224][ T234] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 12.616231][ T234] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 12.616234][ T234] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.616237][ T234] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.616240][ T234] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.616243][ T234] RIP: 0033:0x7fcb1be2b1b8 [ 12.616245][ T234] Code: Unable to access opcode bytes at 0x7fcb1be2b18e. Code starting with the faulting instruction =========================================== [ 12.616246][ T234] RSP: 002b:00007ffe79a58a58 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 12.616248][ T234] RAX: ffffffffffffffda RBX: 00007fcb1bf5bf88 RCX: 00007fcb1be2b1b8 [ 12.616250][ T234] RDX: 00007fcb1bb75fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 12.616251][ T234] RBP: 00007ffe79a58ab0 R08: 0000000000000000 R09: 0000000000008010 [ 12.616251][ T234] R10: 00007ffe79a58870 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