====================================== | [ 11.329338][ T196] softirqs last disabled at (42320): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 11.329342][ T196] Preemption disabled at: | [ 11.329343][ T196] 0x0 | [ 11.329356][ T196] Tainted: [W]=WARN [ 11.329357][ T196] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.329359][ T196] Call Trace: [ 11.329361][ T196] [ 11.329363][ T196] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.329371][ T196] __might_resched.cold (kernel/sched/core.c:9234) [ 11.329377][ T196] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.329382][ T196] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.329389][ T196] __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)) [ 11.329392][ T196] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.329401][ T196] ? 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) [ 11.329405][ T196] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.329410][ T196] put_chars (drivers/char/virtio_console.c:1176) [ 11.329415][ T196] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.329427][ T196] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.329437][ T196] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.329442][ T196] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.329450][ T196] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.329456][ T196] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.329458][ T196] ? 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)) [ 11.329462][ T196] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.329467][ T196] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.329474][ T196] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.329481][ T196] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.329483][ T196] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.329492][ T196] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.329496][ T196] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.329498][ T196] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.329501][ T196] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 11.329507][ T196] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.329510][ T196] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.329515][ T196] vprintk_emit (kernel/printk/printk.c:2479) [ 11.329521][ T196] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.329526][ T196] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.329533][ T196] _printk (kernel/printk/printk.c:2504) [ 11.329538][ T196] ? snapshot_read.cold (user.c:?) [ 11.329542][ T196] ? 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) [ 11.329546][ T196] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.329553][ T196] ? 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) [ 11.329558][ T196] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 11.329563][ T196] ? exit_notify (kernel/exit.c:780) [ 11.329565][ T196] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.329570][ T196] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.329577][ T196] do_group_exit (kernel/exit.c:1151) [ 11.329582][ T196] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 11.329585][ T196] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 11.329588][ T196] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.329593][ T196] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.329598][ T196] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.329601][ T196] RIP: 0033:0x7fb2988961b8 [ 11.329604][ T196] Code: Unable to access opcode bytes at 0x7fb29889618e. Code starting with the faulting instruction =========================================== [ 11.329605][ T196] RSP: 002b:00007ffd294a66f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.329608][ T196] RAX: ffffffffffffffda RBX: 00007fb2989c6f88 RCX: 00007fb2988961b8 [ 11.329610][ T196] RDX: 00007fb2985e0fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 11.329612][ T196] RBP: 00007ffd294a6750 R08: 0000000000000000 R09: 0000000000000000 [ 11.329613][ T196] R10: 00007ffd294a6510 R11: 0000000000000246 R12: 0000000000000001 [ 11.329615][ T196] R13: 0000000000000000 R14: 00007fb2989c5680 R15: 00007fb2989c6fa0 | [ 13.581289][ T252] softirqs last disabled at (35331): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 13.581292][ T252] Preemption disabled at: | [ 13.581292][ T252] 0x0 | [ 13.581307][ T252] Tainted: [W]=WARN [ 13.581308][ T252] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.581310][ T252] Call Trace: [ 13.581311][ T252] [ 13.581313][ T252] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.581318][ T252] __might_resched.cold (kernel/sched/core.c:9234) [ 13.581323][ T252] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.581326][ T252] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 13.581331][ T252] __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)) [ 13.581333][ T252] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.581340][ T252] ? 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) [ 13.581343][ T252] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.581346][ T252] put_chars (drivers/char/virtio_console.c:1176) [ 13.581349][ T252] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.581355][ T252] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.581362][ T252] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.581365][ T252] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.581369][ T252] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.581372][ T252] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.581374][ T252] ? 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)) [ 13.581376][ T252] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.581380][ T252] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.581384][ T252] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.581387][ T252] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.581389][ T252] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.581394][ T252] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.581396][ T252] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.581397][ T252] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.581399][ T252] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 13.581403][ T252] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.581405][ T252] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.581408][ T252] vprintk_emit (kernel/printk/printk.c:2479) [ 13.581411][ T252] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.581414][ T252] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.581417][ T252] _printk (kernel/printk/printk.c:2504) [ 13.581421][ T252] ? snapshot_read.cold (user.c:?) [ 13.581423][ T252] ? 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) [ 13.581426][ T252] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 13.581430][ T252] ? 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) [ 13.581433][ T252] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 13.581437][ T252] ? exit_notify (kernel/exit.c:780) [ 13.581438][ T252] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.581441][ T252] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.581445][ T252] do_group_exit (kernel/exit.c:1151) [ 13.581448][ T252] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 13.581450][ T252] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 13.581453][ T252] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 13.581456][ T252] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 13.581459][ T252] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 13.581461][ T252] RIP: 0033:0x7fe418dc11b8 [ 13.581464][ T252] Code: Unable to access opcode bytes at 0x7fe418dc118e. Code starting with the faulting instruction =========================================== [ 13.581465][ T252] RSP: 002b:00007ffcad9d4ac8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 13.581467][ T252] RAX: ffffffffffffffda RBX: 00007fe418ef1f88 RCX: 00007fe418dc11b8 [ 13.581468][ T252] RDX: 00007fe418b0bfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 13.581469][ T252] RBP: 00007ffcad9d4b20 R08: 0000000000000000 R09: 0000000000000050 [ 13.581470][ T252] R10: 00007ffcad9d48e0 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