====================================== | [ 9.522215][ T187] softirqs last disabled at (43700): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 9.522217][ T187] Preemption disabled at: | [ 9.522218][ T187] 0x0 | [ 9.522228][ T187] Tainted: [W]=WARN [ 9.522229][ T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.522231][ T187] Call Trace: [ 9.522233][ T187] [ 9.522234][ T187] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.522241][ T187] __might_resched.cold (kernel/sched/core.c:9234) [ 9.522245][ T187] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.522250][ T187] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.522255][ T187] __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)) [ 9.522258][ T187] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.522264][ T187] ? 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) [ 9.522266][ T187] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.522269][ T187] put_chars (drivers/char/virtio_console.c:1176) [ 9.522272][ T187] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.522274][ T187] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.522279][ T187] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.522284][ T187] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.522290][ T187] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.522293][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.522295][ T187] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.522299][ T187] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.522303][ T187] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.522305][ T187] ? 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)) [ 9.522308][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.522310][ T187] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.522320][ T187] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.522324][ T187] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.522326][ T187] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.522332][ T187] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.522334][ T187] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.522336][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.522339][ T187] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.522342][ T187] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.522344][ T187] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.522348][ T187] vprintk_emit (kernel/printk/printk.c:2479) [ 9.522352][ T187] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.522355][ T187] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.522359][ T187] _printk (kernel/printk/printk.c:2504) [ 9.522363][ T187] ? snapshot_read.cold (user.c:?) [ 9.522366][ T187] ? 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) [ 9.522368][ T187] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.522372][ T187] ? 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) [ 9.522375][ T187] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.522379][ T187] ? exit_notify (kernel/exit.c:780) [ 9.522381][ T187] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.522383][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.522388][ T187] do_group_exit (kernel/exit.c:1151) [ 9.522391][ T187] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.522393][ T187] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.522395][ T187] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.522398][ T187] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.522401][ T187] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.522403][ T187] RIP: 0033:0x7f948516b1b8 [ 9.522405][ T187] Code: Unable to access opcode bytes at 0x7f948516b18e. Code starting with the faulting instruction =========================================== [ 9.522407][ T187] RSP: 002b:00007fff215f20b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.522409][ T187] RAX: ffffffffffffffda RBX: 00007f948529bf88 RCX: 00007f948516b1b8 [ 9.522410][ T187] RDX: 00007f9484eb5fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.522411][ T187] RBP: 00007fff215f2110 R08: 0000000000000000 R09: 0000000000008010 [ 9.522412][ T187] R10: 00007fff215f1ed0 R11: 0000000000000246 R12: 0000000000000001 [ 9.522413][ T187] R13: 0000000000000000 R14: 00007f948529a680 R15: 00007f948529bfa0 | [ 40.229174][ T662] softirqs last disabled at (14511): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 40.229176][ T662] Preemption disabled at: | [ 40.229177][ T662] 0x0 | [ 40.229188][ T662] Tainted: [W]=WARN [ 40.229189][ T662] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 40.229190][ T662] Call Trace: [ 40.229192][ T662] [ 40.229194][ T662] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 40.229200][ T662] __might_resched.cold (kernel/sched/core.c:9234) [ 40.229205][ T662] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 40.229209][ T662] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 40.229214][ T662] __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)) [ 40.229217][ T662] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 40.229223][ T662] ? 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) [ 40.229225][ T662] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 40.229229][ T662] put_chars (drivers/char/virtio_console.c:1176) [ 40.229232][ T662] ? __send_to_port (drivers/char/virtio_console.c:654) [ 40.229233][ T662] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 40.229238][ T662] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 40.229244][ T662] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 40.229250][ T662] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 40.229253][ T662] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.229255][ T662] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 40.229259][ T662] console_emit_next_record (kernel/printk/printk.c:3183) [ 40.229263][ T662] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 40.229265][ T662] ? 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)) [ 40.229268][ T662] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.229271][ T662] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 40.229275][ T662] console_flush_one_record (kernel/printk/printk.c:3268) [ 40.229279][ T662] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 40.229281][ T662] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 40.229286][ T662] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 40.229289][ T662] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 40.229291][ T662] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.229294][ T662] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 40.229297][ T662] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 40.229299][ T662] ? vprintk_emit (kernel/printk/printk.c:2478) [ 40.229303][ T662] vprintk_emit (kernel/printk/printk.c:2479) [ 40.229307][ T662] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 40.229310][ T662] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 40.229314][ T662] _printk (kernel/printk/printk.c:2504) [ 40.229318][ T662] ? snapshot_read.cold (user.c:?) [ 40.229321][ T662] ? 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) [ 40.229323][ T662] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 40.229327][ T662] ? 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) [ 40.229330][ T662] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 40.229334][ T662] ? exit_notify (kernel/exit.c:780) [ 40.229336][ T662] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 40.229339][ T662] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.229343][ T662] do_group_exit (kernel/exit.c:1151) [ 40.229346][ T662] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 40.229348][ T662] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 40.229350][ T662] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 40.229354][ T662] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 40.229357][ T662] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 40.229359][ T662] RIP: 0033:0x7f61c335d1b8 [ 40.229361][ T662] Code: Unable to access opcode bytes at 0x7f61c335d18e. Code starting with the faulting instruction =========================================== [ 40.229363][ T662] RSP: 002b:00007ffe6663e238 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 40.229365][ T662] RAX: ffffffffffffffda RBX: 00007f61c348df88 RCX: 00007f61c335d1b8 [ 40.229367][ T662] RDX: 00007f61c30ee7c8 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 40.229368][ T662] RBP: 00007ffe6663e290 R08: 0000000000000000 R09: 0000000000001010 [ 40.229368][ T662] R10: 00007ffe6663e0b0 R11: 0000000000000246 R12: 0000000000000002 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print