====================================== | [ 11.122616][ T194] softirqs last disabled at (34303): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 11.122618][ T194] Preemption disabled at: | [ 11.122618][ T194] 0x0 | [ 11.122628][ T194] Tainted: [W]=WARN [ 11.122629][ T194] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.122631][ T194] Call Trace: [ 11.122632][ T194] [ 11.122634][ T194] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.122640][ T194] __might_resched.cold (kernel/sched/core.c:9234) [ 11.122644][ T194] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.122648][ T194] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.122653][ T194] __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)) [ 11.122655][ T194] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.122661][ T194] ? 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) [ 11.122664][ T194] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.122667][ T194] put_chars (drivers/char/virtio_console.c:1176) [ 11.122670][ T194] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.122672][ T194] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.122677][ T194] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.122682][ T194] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.122689][ T194] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.122691][ T194] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.122694][ T194] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.122697][ T194] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.122701][ T194] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.122703][ T194] ? 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)) [ 11.122708][ T194] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.122710][ T194] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.122714][ T194] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.122718][ T194] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.122719][ T194] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.122725][ T194] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.122727][ T194] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.122729][ T194] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.122731][ T194] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 11.122734][ T194] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.122736][ T194] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.122739][ T194] vprintk_emit (kernel/printk/printk.c:2479) [ 11.122742][ T194] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.122746][ T194] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.122749][ T194] _printk (kernel/printk/printk.c:2504) [ 11.122753][ T194] ? snapshot_read.cold (user.c:?) [ 11.122755][ T194] ? 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) [ 11.122758][ T194] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.122761][ T194] ? 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) [ 11.122764][ T194] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 11.122767][ T194] ? exit_notify (kernel/exit.c:780) [ 11.122769][ T194] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.122772][ T194] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.122776][ T194] do_group_exit (kernel/exit.c:1151) [ 11.122779][ T194] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 11.122781][ T194] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 11.122783][ T194] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.122786][ T194] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.122790][ T194] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.122792][ T194] RIP: 0033:0x7f610b9471b8 [ 11.122794][ T194] Code: Unable to access opcode bytes at 0x7f610b94718e. Code starting with the faulting instruction =========================================== [ 11.122795][ T194] RSP: 002b:00007fff23108318 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.122798][ T194] RAX: ffffffffffffffda RBX: 00007f610ba77f88 RCX: 00007f610b9471b8 [ 11.122799][ T194] RDX: 00007f610b691fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 11.122800][ T194] RBP: 00007fff23108370 R08: 0000000000000000 R09: 0000000000000000 [ 11.122801][ T194] R10: 00007fff23108130 R11: 0000000000000246 R12: 0000000000000001 [ 11.122802][ T194] R13: 0000000000000000 R14: 00007f610ba76680 R15: 00007f610ba77fa0 | [ 27.850012][ T700] softirqs last disabled at (31950): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 27.850015][ T700] Preemption disabled at: | [ 27.850015][ T700] 0x0 | [ 27.850025][ T700] Tainted: [W]=WARN [ 27.850026][ T700] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 27.850028][ T700] Call Trace: [ 27.850029][ T700] [ 27.850030][ T700] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 27.850036][ T700] __might_resched.cold (kernel/sched/core.c:9234) [ 27.850040][ T700] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 27.850044][ T700] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 27.850048][ T700] __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)) [ 27.850050][ T700] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 27.850056][ T700] ? 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) [ 27.850059][ T700] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 27.850062][ T700] put_chars (drivers/char/virtio_console.c:1176) [ 27.850065][ T700] ? __send_to_port (drivers/char/virtio_console.c:654) [ 27.850067][ T700] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 27.850072][ T700] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 27.850077][ T700] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 27.850084][ T700] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 27.850087][ T700] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.850089][ T700] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 27.850093][ T700] console_emit_next_record (kernel/printk/printk.c:3183) [ 27.850097][ T700] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 27.850099][ T700] ? 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)) [ 27.850102][ T700] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.850104][ T700] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 27.850108][ T700] console_flush_one_record (kernel/printk/printk.c:3268) [ 27.850111][ T700] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 27.850113][ T700] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 27.850118][ T700] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 27.850120][ T700] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 27.850122][ T700] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.850124][ T700] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 27.850127][ T700] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 27.850129][ T700] ? vprintk_emit (kernel/printk/printk.c:2478) [ 27.850132][ T700] vprintk_emit (kernel/printk/printk.c:2479) [ 27.850135][ T700] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 27.850138][ T700] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 27.850142][ T700] _printk (kernel/printk/printk.c:2504) [ 27.850145][ T700] ? snapshot_read.cold (user.c:?) [ 27.850148][ T700] ? 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) [ 27.850150][ T700] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 27.850154][ T700] ? 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) [ 27.850156][ T700] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 27.850160][ T700] ? exit_notify (kernel/exit.c:780) [ 27.850162][ T700] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 27.850164][ T700] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.850168][ T700] do_group_exit (kernel/exit.c:1151) [ 27.850171][ T700] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 27.850173][ T700] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 27.850175][ T700] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 27.850178][ T700] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 27.850182][ T700] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 27.850184][ T700] RIP: 0033:0x7eff23a8f1b8 [ 27.850186][ T700] Code: Unable to access opcode bytes at 0x7eff23a8f18e. Code starting with the faulting instruction =========================================== [ 27.850187][ T700] RSP: 002b:00007ffe9bb8a348 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 27.850189][ T700] RAX: ffffffffffffffda RBX: 00007eff23bbff88 RCX: 00007eff23a8f1b8 [ 27.850191][ T700] RDX: 00007eff239cca48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 27.850192][ T700] RBP: 00007ffe9bb8a3a0 R08: 0000000000000000 R09: 0000000000000000 [ 27.850192][ T700] R10: 00007ffe9bb8a1e0 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