====================================== | [ 11.325560][ T243] softirqs last disabled at (28198): release_sock (./include/linux/spinlock.h:353 net/core/sock.c:3858) | [ 11.325564][ T243] Preemption disabled at: | [ 11.325564][ T243] 0x0 | [ 11.325575][ T243] Tainted: [W]=WARN [ 11.325576][ T243] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.325578][ T243] Call Trace: [ 11.325579][ T243] [ 11.325581][ T243] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.325587][ T243] __might_resched.cold (kernel/sched/core.c:9234) [ 11.325592][ T243] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.325596][ T243] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.325600][ T243] __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)) [ 11.325602][ T243] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.325609][ T243] ? 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) [ 11.325615][ T243] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.325619][ T243] put_chars (drivers/char/virtio_console.c:1176) [ 11.325622][ T243] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.325623][ T243] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.325627][ T243] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.325632][ T243] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.325640][ T243] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.325643][ T243] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.325645][ T243] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.325649][ T243] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.325653][ T243] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.325655][ T243] ? 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)) [ 11.325658][ T243] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.325660][ T243] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.325664][ T243] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.325669][ T243] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.325671][ T243] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.325676][ T243] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.325679][ T243] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.325681][ T243] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.325683][ T243] ? 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) [ 11.325687][ T243] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.325689][ T243] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.325692][ T243] vprintk_emit (kernel/printk/printk.c:2479) [ 11.325695][ T243] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.325698][ T243] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.325702][ T243] _printk (kernel/printk/printk.c:2504) [ 11.325706][ T243] ? snapshot_read.cold (user.c:?) [ 11.325709][ T243] ? 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) [ 11.325711][ T243] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.325715][ T243] ? 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) [ 11.325718][ T243] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 11.325722][ T243] ? exit_notify (kernel/exit.c:780) [ 11.325723][ T243] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.325726][ T243] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.325730][ T243] do_group_exit (kernel/exit.c:1151) [ 11.325733][ T243] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 11.325734][ T243] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 11.325737][ T243] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.325741][ T243] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.325744][ T243] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.325746][ T243] RIP: 0033:0x7f58c9bd31b8 [ 11.325748][ T243] Code: Unable to access opcode bytes at 0x7f58c9bd318e. Code starting with the faulting instruction =========================================== [ 11.325749][ T243] RSP: 002b:00007ffd7f596b18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.325752][ T243] RAX: ffffffffffffffda RBX: 00007f58c9d03f88 RCX: 00007f58c9bd31b8 [ 11.325753][ T243] RDX: 00007f58c9b10a48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 11.325754][ T243] RBP: 00007ffd7f596b70 R08: 0000000000000000 R09: 0000000000000000 [ 11.325755][ T243] R10: 00007ffd7f5969b0 R11: 0000000000000246 R12: 0000000000000001 [ 11.325756][ T243] R13: 0000000000000000 R14: 00007f58c9d02680 R15: 00007f58c9d03fa0 | [ 13.420200][ T322] softirqs last disabled at (43247): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 13.420202][ T322] Preemption disabled at: | [ 13.420203][ T322] 0x0 | [ 13.420214][ T322] Tainted: [W]=WARN [ 13.420215][ T322] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.420216][ T322] Call Trace: [ 13.420218][ T322] [ 13.420220][ T322] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.420226][ T322] __might_resched.cold (kernel/sched/core.c:9234) [ 13.420230][ T322] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.420235][ T322] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 13.420239][ T322] __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)) [ 13.420241][ T322] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.420248][ T322] ? 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) [ 13.420251][ T322] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.420255][ T322] put_chars (drivers/char/virtio_console.c:1176) [ 13.420257][ T322] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.420258][ T322] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 13.420262][ T322] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 13.420268][ T322] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.420275][ T322] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.420278][ T322] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.420280][ T322] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.420284][ T322] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.420288][ T322] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.420290][ T322] ? 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)) [ 13.420293][ T322] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.420295][ T322] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.420299][ T322] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.420304][ T322] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.420306][ T322] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.420311][ T322] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.420314][ T322] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.420316][ T322] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.420318][ T322] ? 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) [ 13.420322][ T322] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.420323][ T322] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.420326][ T322] vprintk_emit (kernel/printk/printk.c:2479) [ 13.420329][ T322] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.420331][ T322] ? 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) [ 13.420334][ T322] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.420338][ T322] _printk (kernel/printk/printk.c:2504) [ 13.420342][ T322] ? snapshot_read.cold (user.c:?) [ 13.420344][ T322] ? 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) [ 13.420347][ T322] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 13.420351][ T322] ? 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) [ 13.420354][ T322] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 13.420358][ T322] ? exit_notify (kernel/exit.c:780) [ 13.420359][ T322] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.420362][ T322] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.420366][ T322] do_group_exit (kernel/exit.c:1151) [ 13.420369][ T322] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 13.420370][ T322] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 13.420373][ T322] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 13.420377][ T322] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 13.420380][ T322] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 13.420382][ T322] RIP: 0033:0x7f24ed4ba1b8 [ 13.420384][ T322] Code: Unable to access opcode bytes at 0x7f24ed4ba18e. Code starting with the faulting instruction =========================================== [ 13.420385][ T322] RSP: 002b:00007ffe607ad2c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 13.420388][ T322] RAX: ffffffffffffffda RBX: 00007f24ed5eaf88 RCX: 00007f24ed4ba1b8 [ 13.420389][ T322] RDX: 00007f24ed3f7a48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 13.420390][ T322] RBP: 00007ffe607ad320 R08: 0000000000000000 R09: 0000000000000000 [ 13.420391][ T322] R10: 00007ffe607ad160 R11: 0000000000000246 R12: 0000000000000001 [ 13.420392][ T322] R13: 0000000000000000 R14: 00007f24ed5e9680 R15: 00007f24ed5eafa0 | [ 40.008316][ T852] softirqs last disabled at (44259): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 40.008318][ T852] Preemption disabled at: | [ 40.008319][ T852] 0x0 | [ 40.008330][ T852] Tainted: [W]=WARN [ 40.008331][ T852] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 40.008333][ T852] Call Trace: [ 40.008334][ T852] [ 40.008336][ T852] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 40.008342][ T852] __might_resched.cold (kernel/sched/core.c:9234) [ 40.008346][ T852] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 40.008351][ T852] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 40.008355][ T852] __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)) [ 40.008357][ T852] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 40.008364][ T852] ? 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) [ 40.008367][ T852] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 40.008371][ T852] put_chars (drivers/char/virtio_console.c:1176) [ 40.008373][ T852] ? __send_to_port (drivers/char/virtio_console.c:654) [ 40.008375][ T852] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 40.008378][ T852] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 40.008384][ T852] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 40.008392][ T852] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 40.008395][ T852] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.008397][ T852] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 40.008401][ T852] console_emit_next_record (kernel/printk/printk.c:3183) [ 40.008405][ T852] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 40.008407][ T852] ? 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)) [ 40.008410][ T852] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.008412][ T852] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 40.008416][ T852] console_flush_one_record (kernel/printk/printk.c:3268) [ 40.008421][ T852] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 40.008423][ T852] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 40.008428][ T852] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 40.008431][ T852] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 40.008433][ T852] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.008435][ T852] ? 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) [ 40.008439][ T852] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 40.008441][ T852] ? vprintk_emit (kernel/printk/printk.c:2478) [ 40.008443][ T852] vprintk_emit (kernel/printk/printk.c:2479) [ 40.008447][ T852] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 40.008448][ T852] ? 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) [ 40.008451][ T852] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 40.008455][ T852] _printk (kernel/printk/printk.c:2504) [ 40.008459][ T852] ? snapshot_read.cold (user.c:?) [ 40.008462][ T852] ? 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) [ 40.008465][ T852] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 40.008469][ T852] ? 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) [ 40.008472][ T852] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 40.008475][ T852] ? exit_notify (kernel/exit.c:780) [ 40.008477][ T852] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 40.008480][ T852] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.008483][ T852] do_group_exit (kernel/exit.c:1151) [ 40.008486][ T852] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 40.008488][ T852] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 40.008491][ T852] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 40.008495][ T852] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 40.008498][ T852] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 40.008500][ T852] RIP: 0033:0x7f13c3e2a1b8 [ 40.008502][ T852] Code: Unable to access opcode bytes at 0x7f13c3e2a18e. Code starting with the faulting instruction =========================================== [ 40.008504][ T852] RSP: 002b:00007ffce697a1f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 40.008506][ T852] RAX: ffffffffffffffda RBX: 00007f13c3f5af88 RCX: 00007f13c3e2a1b8 [ 40.008507][ T852] RDX: 00007f13c3d67a48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 40.008508][ T852] RBP: 00007ffce697a250 R08: 0000000000000000 R09: 0000000000000000 [ 40.008509][ T852] R10: 00007ffce697a090 R11: 0000000000000246 R12: 0000000000000001 [ 40.008510][ T852] R13: 0000000000000000 R14: 00007f13c3f59680 R15: 00007f13c3f5afa0 | [ 61.039928][ T1303] softirqs last disabled at (50731): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 61.039932][ T1303] Preemption disabled at: | [ 61.039933][ T1303] 0x0 | [ 61.039946][ T1303] Tainted: [W]=WARN [ 61.039948][ T1303] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 61.039950][ T1303] Call Trace: [ 61.039952][ T1303] [ 61.039954][ T1303] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 61.039963][ T1303] __might_resched.cold (kernel/sched/core.c:9234) [ 61.039969][ T1303] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 61.039975][ T1303] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 61.039982][ T1303] __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)) [ 61.039985][ T1303] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 61.039994][ T1303] ? 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) [ 61.039998][ T1303] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 61.040004][ T1303] put_chars (drivers/char/virtio_console.c:1176) [ 61.040007][ T1303] ? __send_to_port (drivers/char/virtio_console.c:654) [ 61.040009][ T1303] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 61.040014][ T1303] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 61.040023][ T1303] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 61.040034][ T1303] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 61.040038][ T1303] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 61.040042][ T1303] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 61.040049][ T1303] console_emit_next_record (kernel/printk/printk.c:3183) [ 61.040055][ T1303] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 61.040057][ T1303] ? 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)) [ 61.040062][ T1303] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 61.040065][ T1303] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 61.040071][ T1303] console_flush_one_record (kernel/printk/printk.c:3268) [ 61.040078][ T1303] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 61.040081][ T1303] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 61.040089][ T1303] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 61.040094][ T1303] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 61.040096][ T1303] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 61.040099][ T1303] ? 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) [ 61.040105][ T1303] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 61.040108][ T1303] ? vprintk_emit (kernel/printk/printk.c:2478) [ 61.040112][ T1303] vprintk_emit (kernel/printk/printk.c:2479) [ 61.040118][ T1303] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 61.040120][ T1303] ? 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) [ 61.040125][ T1303] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 61.040131][ T1303] _printk (kernel/printk/printk.c:2504) [ 61.040136][ T1303] ? snapshot_read.cold (user.c:?) [ 61.040141][ T1303] ? 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) [ 61.040144][ T1303] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 61.040151][ T1303] ? 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) [ 61.040155][ T1303] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 61.040160][ T1303] ? exit_notify (kernel/exit.c:780) [ 61.040162][ T1303] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 61.040166][ T1303] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 61.040172][ T1303] do_group_exit (kernel/exit.c:1151) [ 61.040177][ T1303] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 61.040180][ T1303] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 61.040183][ T1303] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 61.040188][ T1303] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 61.040192][ T1303] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 61.040196][ T1303] RIP: 0033:0x7fa2ffc991b8 [ 61.040199][ T1303] Code: Unable to access opcode bytes at 0x7fa2ffc9918e. Code starting with the faulting instruction =========================================== [ 61.040200][ T1303] RSP: 002b:00007fff59c79fb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 61.040204][ T1303] RAX: ffffffffffffffda RBX: 00007fa2ffdc9f88 RCX: 00007fa2ffc991b8 [ 61.040206][ T1303] RDX: 00007fa2ffbd6a48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 61.040208][ T1303] RBP: 00007fff59c7a010 R08: 0000000000000000 R09: 0000000000000000 [ 61.040209][ T1303] R10: 00007fff59c79e50 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print release_sock:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print