====================================== | [ 10.370986][ T206] softirqs last disabled at (25361): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.370988][ T206] Preemption disabled at: | [ 10.370989][ T206] 0x0 | [ 10.370999][ T206] Tainted: [W]=WARN [ 10.371000][ T206] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.371001][ T206] Call Trace: [ 10.371003][ T206] [ 10.371004][ T206] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.371011][ T206] __might_resched.cold (kernel/sched/core.c:9234) [ 10.371015][ T206] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.371019][ T206] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.371024][ T206] __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)) [ 10.371026][ T206] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.371032][ T206] ? 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) [ 10.371035][ T206] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.371039][ T206] put_chars (drivers/char/virtio_console.c:1176) [ 10.371041][ T206] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.371043][ T206] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.371046][ T206] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.371052][ T206] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.371059][ T206] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.371062][ T206] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.371064][ T206] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.371068][ T206] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.371072][ T206] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.371074][ T206] ? 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)) [ 10.371077][ T206] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.371078][ T206] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.371082][ T206] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.371087][ T206] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.371088][ T206] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.371094][ T206] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.371097][ T206] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.371098][ T206] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.371100][ T206] ? 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) [ 10.371104][ T206] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.371106][ T206] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.371108][ T206] vprintk_emit (kernel/printk/printk.c:2479) [ 10.371111][ T206] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.371114][ T206] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.371118][ T206] _printk (kernel/printk/printk.c:2504) [ 10.371122][ T206] ? snapshot_read.cold (user.c:?) [ 10.371124][ T206] ? 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) [ 10.371127][ T206] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.371131][ T206] ? 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) [ 10.371133][ T206] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.371137][ T206] ? exit_notify (kernel/exit.c:780) [ 10.371139][ T206] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.371141][ T206] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.371145][ T206] do_group_exit (kernel/exit.c:1151) [ 10.371148][ T206] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.371149][ T206] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.371152][ T206] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.371156][ T206] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.371159][ T206] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.371161][ T206] RIP: 0033:0x7f1a9da181b8 [ 10.371163][ T206] Code: Unable to access opcode bytes at 0x7f1a9da1818e. Code starting with the faulting instruction =========================================== [ 10.371164][ T206] RSP: 002b:00007ffdb8531648 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.371166][ T206] RAX: ffffffffffffffda RBX: 00007f1a9db48f88 RCX: 00007f1a9da181b8 [ 10.371168][ T206] RDX: 00007f1a9d762fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.371169][ T206] RBP: 00007ffdb85316a0 R08: 0000000000000000 R09: 0000000000008010 [ 10.371169][ T206] R10: 00007ffdb8531460 R11: 0000000000000246 R12: 0000000000000001 [ 10.371170][ T206] R13: 0000000000000000 R14: 00007f1a9db47680 R15: 00007f1a9db48fa0 | [ 11.703382][ T259] softirqs last disabled at (25837): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 11.703386][ T259] Preemption disabled at: | [ 11.703387][ T259] 0x0 | [ 11.703397][ T259] Tainted: [W]=WARN [ 11.703397][ T259] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.703399][ T259] Call Trace: [ 11.703401][ T259] [ 11.703402][ T259] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.703408][ T259] __might_resched.cold (kernel/sched/core.c:9234) [ 11.703413][ T259] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.703416][ T259] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.703421][ T259] __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)) [ 11.703423][ T259] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.703430][ T259] ? 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) [ 11.703432][ T259] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.703436][ T259] put_chars (drivers/char/virtio_console.c:1176) [ 11.703439][ T259] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.703440][ T259] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.703443][ T259] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.703448][ T259] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.703456][ T259] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.703458][ T259] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.703460][ T259] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.703464][ T259] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.703468][ T259] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.703470][ T259] ? 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)) [ 11.703473][ T259] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.703475][ T259] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.703479][ T259] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.703483][ T259] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.703485][ T259] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.703490][ T259] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.703493][ T259] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.703495][ T259] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.703497][ T259] ? 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) [ 11.703500][ T259] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.703502][ T259] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.703505][ T259] vprintk_emit (kernel/printk/printk.c:2479) [ 11.703508][ T259] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.703511][ T259] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.703515][ T259] _printk (kernel/printk/printk.c:2504) [ 11.703518][ T259] ? snapshot_read.cold (user.c:?) [ 11.703521][ T259] ? 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) [ 11.703524][ T259] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.703527][ T259] ? 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) [ 11.703530][ T259] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 11.703534][ T259] ? exit_notify (kernel/exit.c:780) [ 11.703535][ T259] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.703538][ T259] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.703541][ T259] do_group_exit (kernel/exit.c:1151) [ 11.703544][ T259] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 11.703546][ T259] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 11.703548][ T259] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.703552][ T259] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.703555][ T259] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.703557][ T259] RIP: 0033:0x7fbe038401b8 [ 11.703559][ T259] Code: Unable to access opcode bytes at 0x7fbe0384018e. Code starting with the faulting instruction =========================================== [ 11.703560][ T259] RSP: 002b:00007ffcda6a8a48 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.703562][ T259] RAX: ffffffffffffffda RBX: 00007fbe03970f88 RCX: 00007fbe038401b8 [ 11.703564][ T259] RDX: 00007fbe0358afc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 11.703565][ T259] RBP: 00007ffcda6a8aa0 R08: 0000000000000000 R09: 0000000000000050 [ 11.703565][ T259] R10: 00007ffcda6a8860 R11: 0000000000000246 R12: 0000000000000001 [ 11.703566][ T259] R13: 0000000000000000 R14: 00007fbe0396f680 R15: 00007fbe03970fa0 | [ 25.874436][ T555] softirqs last disabled at (47861): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 25.874438][ T555] Preemption disabled at: | [ 25.874439][ T555] 0x0 | [ 25.874449][ T555] Tainted: [W]=WARN [ 25.874450][ T555] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 25.874452][ T555] Call Trace: [ 25.874454][ T555] [ 25.874455][ T555] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 25.874462][ T555] __might_resched.cold (kernel/sched/core.c:9234) [ 25.874466][ T555] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 25.874470][ T555] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 25.874475][ T555] __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)) [ 25.874476][ T555] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 25.874483][ T555] ? 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) [ 25.874486][ T555] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 25.874490][ T555] put_chars (drivers/char/virtio_console.c:1176) [ 25.874492][ T555] ? __send_to_port (drivers/char/virtio_console.c:654) [ 25.874494][ T555] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 25.874497][ T555] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 25.874503][ T555] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 25.874510][ T555] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 25.874513][ T555] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.874515][ T555] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.874519][ T555] console_emit_next_record (kernel/printk/printk.c:3183) [ 25.874523][ T555] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 25.874525][ T555] ? 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)) [ 25.874528][ T555] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.874530][ T555] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.874534][ T555] console_flush_one_record (kernel/printk/printk.c:3268) [ 25.874538][ T555] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 25.874540][ T555] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.874546][ T555] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 25.874548][ T555] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 25.874550][ T555] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.874552][ T555] ? 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) [ 25.874556][ T555] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 25.874558][ T555] ? vprintk_emit (kernel/printk/printk.c:2478) [ 25.874560][ T555] vprintk_emit (kernel/printk/printk.c:2479) [ 25.874564][ T555] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 25.874565][ T555] ? 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) [ 25.874568][ T555] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.874572][ T555] _printk (kernel/printk/printk.c:2504) [ 25.874575][ T555] ? snapshot_read.cold (user.c:?) [ 25.874578][ T555] ? 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) [ 25.874581][ T555] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 25.874585][ T555] ? 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) [ 25.874588][ T555] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 25.874591][ T555] ? exit_notify (kernel/exit.c:780) [ 25.874592][ T555] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.874595][ T555] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.874599][ T555] do_group_exit (kernel/exit.c:1151) [ 25.874602][ T555] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 25.874604][ T555] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 25.874606][ T555] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 25.874610][ T555] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 25.874613][ T555] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 25.874615][ T555] RIP: 0033:0x7feacdd2e1b8 [ 25.874618][ T555] Code: Unable to access opcode bytes at 0x7feacdd2e18e. Code starting with the faulting instruction =========================================== [ 25.874619][ T555] RSP: 002b:00007ffc3e28b0d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 25.874621][ T555] RAX: ffffffffffffffda RBX: 00007feacde5ef88 RCX: 00007feacdd2e1b8 [ 25.874623][ T555] RDX: 00007feacdc6ba48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 25.874623][ T555] RBP: 00007ffc3e28b130 R08: 0000000000000000 R09: 0000000000000000 [ 25.874624][ T555] R10: 00007ffc3e28af70 R11: 0000000000000246 R12: 0000000000000001 [ 25.874625][ T555] R13: 0000000000000000 R14: 00007feacde5d680 R15: 00007feacde5efa0 | [ 27.807060][ T624] softirqs last disabled at (15942): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 27.807063][ T624] Preemption disabled at: | [ 27.807063][ T624] vprintk_emit (kernel/printk/printk.c:2471) | [ 27.807072][ T624] Tainted: [W]=WARN [ 27.807073][ T624] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 27.807074][ T624] Call Trace: [ 27.807076][ T624] [ 27.807077][ T624] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 27.807083][ T624] ? vprintk_emit (kernel/printk/printk.c:2471) [ 27.807085][ T624] __might_resched.cold (kernel/sched/core.c:9234) [ 27.807089][ T624] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 27.807093][ T624] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 27.807098][ T624] __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)) [ 27.807099][ T624] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 27.807106][ T624] ? 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) [ 27.807109][ T624] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 27.807112][ T624] put_chars (drivers/char/virtio_console.c:1176) [ 27.807115][ T624] ? __send_to_port (drivers/char/virtio_console.c:654) [ 27.807118][ T624] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 27.807123][ T624] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 27.807131][ T624] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 27.807133][ T624] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.807136][ T624] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 27.807140][ T624] console_emit_next_record (kernel/printk/printk.c:3183) [ 27.807144][ T624] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 27.807146][ T624] ? 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)) [ 27.807149][ T624] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.807151][ T624] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 27.807154][ T624] console_flush_one_record (kernel/printk/printk.c:3268) [ 27.807159][ T624] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 27.807160][ T624] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 27.807166][ T624] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 27.807168][ T624] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 27.807170][ T624] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.807172][ T624] ? 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) [ 27.807176][ T624] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 27.807177][ T624] ? vprintk_emit (kernel/printk/printk.c:2478) [ 27.807180][ T624] vprintk_emit (kernel/printk/printk.c:2479) [ 27.807183][ T624] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 27.807185][ T624] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 27.807186][ T624] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 27.807191][ T624] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 27.807194][ T624] _printk (kernel/printk/printk.c:2504) [ 27.807198][ T624] ? snapshot_read.cold (user.c:?) [ 27.807201][ T624] ? br_multicast_flood (??:?) [ 27.807205][ T624] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 27.807206][ T624] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 27.807207][ T624] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 27.807212][ T624] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 27.807215][ T624] br_init_port (net/bridge/br_stp_if.c:39) [ 27.807218][ T624] new_nbp (net/bridge/br_if.c:449) [ 27.807221][ T624] br_add_if (net/bridge/br_if.c:592) [ 27.807224][ T624] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 27.807227][ T624] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 27.807233][ T624] do_set_master (net/core/rtnetlink.c:3071) [ 27.807236][ T624] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 27.807239][ T624] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 27.807243][ T624] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 27.807244][ T624] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 27.807247][ T624] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 27.807250][ T624] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 27.807252][ T624] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 27.807254][ T624] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 27.807256][ T624] ? kasan_save_stack (mm/kasan/common.c:58) [ 27.807259][ T624] ? kasan_save_stack (mm/kasan/common.c:57) [ 27.807260][ T624] ? kasan_save_track (mm/kasan/common.c:78) [ 27.807261][ T624] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 27.807263][ T624] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 27.807265][ T624] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 27.807268][ T624] ? ___sys_sendmsg (net/socket.c:2758) [ 27.807272][ T624] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 27.807274][ T624] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 27.807277][ T624] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.807278][ T624] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 27.807280][ T624] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.807281][ T624] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.807283][ T624] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 27.807285][ T624] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 27.807286][ T624] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 27.807288][ T624] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 27.807291][ T624] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 27.807293][ T624] ? nla_get_range_signed (lib/nlattr.c:270) [ 27.807298][ T624] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.807300][ T624] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 27.807305][ T624] rtnl_newlink (net/core/rtnetlink.c:4215) [ 27.807311][ T624] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 27.807312][ T624] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 27.807317][ T624] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 27.807319][ T624] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 27.807321][ T624] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 27.807323][ T624] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 27.807326][ T624] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 27.807328][ T624] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 27.807331][ T624] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 27.807333][ T624] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 27.807337][ T624] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 27.807339][ T624] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 27.807343][ T624] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 27.807346][ T624] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 27.807348][ T624] ? netlink_ack (./include/linux/skbuff.h:2718) [ 27.807355][ T624] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 27.807357][ T624] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 27.807361][ T624] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 27.807365][ T624] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 27.807368][ T624] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 27.807372][ T624] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 27.807376][ T624] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 27.807380][ T624] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 27.807381][ T624] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 27.807389][ T624] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 27.807392][ T624] ____sys_sendmsg (net/socket.c:2713) [ 27.807394][ T624] ? copy_msghdr_from_user (net/socket.c:2650) [ 27.807396][ T624] ? sock_write_iter (net/socket.c:1269) [ 27.807398][ T624] ? move_addr_to_kernel (net/socket.c:258) [ 27.807405][ T624] ___sys_sendmsg (net/socket.c:2767) [ 27.807408][ T624] ? copy_msghdr_from_user (net/socket.c:2619) [ 27.807424][ T624] __sys_sendmsg (net/socket.c:2799) [ 27.807427][ T624] ? __sys_sendmsg_sock (net/socket.c:2780) [ 27.807433][ T624] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.807436][ T624] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 27.807439][ T624] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 27.807442][ T624] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 27.807444][ T624] RIP: 0033:0x7f54cffff54e [ 27.807448][ T624] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 27.807450][ T624] RSP: 002b:00007fff274bd2b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 27.807452][ T624] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f54cffff54e [ 27.807454][ T624] RDX: 0000000000000000 RSI: 00007fff274bd360 RDI: 0000000000000005 [ 27.807454][ T624] RBP: 00007fff274bd2c0 R08: 0000000000000000 R09: 0000000000000000 [ 27.807455][ T624] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91075b [ 27.807456][ T624] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff274bda30 | [ 30.382199][ T643] softirqs last disabled at (1361056): fpu__clear_user_states (./include/linux/bottom_half.h:20 (discriminator 2) ./arch/x86/include/asm/fpu/api.h:69 (discriminator 2) arch/x86/kernel/fpu/core.c:835 (discriminator 2)) | [ 30.382202][ T643] Preemption disabled at: | [ 30.382203][ T643] 0x0 | [ 30.382213][ T643] Tainted: [W]=WARN [ 30.382214][ T643] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 30.382216][ T643] Call Trace: [ 30.382217][ T643] [ 30.382219][ T643] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 30.382225][ T643] __might_resched.cold (kernel/sched/core.c:9234) [ 30.382230][ T643] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 30.382234][ T643] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 30.382238][ T643] __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)) [ 30.382240][ T643] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 30.382247][ T643] ? 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) [ 30.382250][ T643] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 30.382254][ T643] put_chars (drivers/char/virtio_console.c:1176) [ 30.382256][ T643] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 30.382258][ T643] ? __send_to_port (drivers/char/virtio_console.c:654) [ 30.382261][ T643] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 30.382264][ T643] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 30.382267][ T643] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 30.382271][ T643] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 30.382275][ T643] ? mark_usage (kernel/locking/lockdep.c:4690) [ 30.382278][ T643] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.382279][ T643] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.382283][ T643] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 30.382286][ T643] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 30.382289][ T643] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.382291][ T643] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.382295][ T643] console_emit_next_record (kernel/printk/printk.c:3183) [ 30.382299][ T643] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 30.382301][ T643] ? 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)) [ 30.382304][ T643] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.382306][ T643] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.382310][ T643] console_flush_one_record (kernel/printk/printk.c:3268) [ 30.382314][ T643] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 30.382316][ T643] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.382322][ T643] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 30.382325][ T643] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 30.382327][ T643] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.382328][ T643] ? 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) [ 30.382332][ T643] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 30.382334][ T643] ? vprintk_emit (kernel/printk/printk.c:2478) [ 30.382337][ T643] vprintk_emit (kernel/printk/printk.c:2479) [ 30.382340][ T643] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 30.382341][ T643] ? 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) [ 30.382344][ T643] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.382348][ T643] _printk (kernel/printk/printk.c:2504) [ 30.382351][ T643] ? snapshot_read.cold (user.c:?) [ 30.382354][ T643] ? 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) [ 30.382357][ T643] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 30.382361][ T643] ? 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) [ 30.382364][ T643] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 30.382368][ T643] ? exit_notify (kernel/exit.c:780) [ 30.382373][ T643] __x64_sys_exit (kernel/exit.c:1118 kernel/exit.c:1116 kernel/exit.c:1116) [ 30.382375][ T643] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:61) [ 30.382377][ T643] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 30.382381][ T643] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 30.382388][ T643] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 30.382390][ T643] RIP: 0033:0x7f2a9f2eec49 [ 30.382392][ T643] Code: Unable to access opcode bytes at 0x7f2a9f2eec1f. Code starting with the faulting instruction =========================================== [ 30.382393][ T643] RSP: 002b:00007f2a9eaade60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 30.382396][ T643] RAX: ffffffffffffffda RBX: 00007f2a9eaae6c0 RCX: 00007f2a9f2eec49 [ 30.382397][ T643] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 30.382398][ T643] RBP: 00007f2a9eaadf70 R08: 0000000000000001 R09: 00007f2a9eaae6c0 [ 30.382399][ T643] R10: 0000000000000008 R11: 0000000000000246 R12: 00007f2a9e2ae000 [ 30.382400][ T643] R13: 00007ffd77168e20 R14: 0000000000000002 R15: 00007ffd77168f27 | [ 48.560476][ T1057] softirqs last disabled at (16304): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 48.560478][ T1057] Preemption disabled at: | [ 48.560479][ T1057] vprintk_emit (kernel/printk/printk.c:2471) | [ 48.560488][ T1057] Tainted: [W]=WARN [ 48.560488][ T1057] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 48.560490][ T1057] Call Trace: [ 48.560492][ T1057] [ 48.560494][ T1057] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 48.560500][ T1057] ? vprintk_emit (kernel/printk/printk.c:2471) [ 48.560501][ T1057] __might_resched.cold (kernel/sched/core.c:9234) [ 48.560506][ T1057] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 48.560510][ T1057] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 48.560515][ T1057] __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)) [ 48.560518][ T1057] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 48.560527][ T1057] ? 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) [ 48.560530][ T1057] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 48.560536][ T1057] put_chars (drivers/char/virtio_console.c:1176) [ 48.560540][ T1057] ? __send_to_port (drivers/char/virtio_console.c:654) [ 48.560542][ T1057] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 48.560547][ T1057] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 48.560555][ T1057] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 48.560563][ T1057] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 48.560565][ T1057] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.560567][ T1057] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 48.560572][ T1057] console_emit_next_record (kernel/printk/printk.c:3183) [ 48.560576][ T1057] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 48.560578][ T1057] ? 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)) [ 48.560581][ T1057] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.560583][ T1057] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 48.560587][ T1057] console_flush_one_record (kernel/printk/printk.c:3268) [ 48.560591][ T1057] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 48.560593][ T1057] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 48.560599][ T1057] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 48.560602][ T1057] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 48.560604][ T1057] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.560605][ T1057] ? 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) [ 48.560609][ T1057] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 48.560611][ T1057] ? vprintk_emit (kernel/printk/printk.c:2478) [ 48.560614][ T1057] vprintk_emit (kernel/printk/printk.c:2479) [ 48.560617][ T1057] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 48.560619][ T1057] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 48.560621][ T1057] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 48.560625][ T1057] _printk (kernel/printk/printk.c:2504) [ 48.560629][ T1057] ? snapshot_read.cold (user.c:?) [ 48.560633][ T1057] ? br_multicast_flood (??:?) [ 48.560636][ T1057] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 48.560637][ T1057] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 48.560639][ T1057] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 48.560643][ T1057] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 48.560648][ T1057] br_init_port (net/bridge/br_stp_if.c:39) [ 48.560650][ T1057] new_nbp (net/bridge/br_if.c:449) [ 48.560654][ T1057] br_add_if (net/bridge/br_if.c:592) [ 48.560657][ T1057] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 48.560660][ T1057] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 48.560666][ T1057] do_set_master (net/core/rtnetlink.c:3071) [ 48.560669][ T1057] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 48.560673][ T1057] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 48.560676][ T1057] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 48.560678][ T1057] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 48.560680][ T1057] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 48.560684][ T1057] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 48.560686][ T1057] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 48.560688][ T1057] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 48.560690][ T1057] ? kasan_save_stack (mm/kasan/common.c:58) [ 48.560693][ T1057] ? kasan_save_stack (mm/kasan/common.c:57) [ 48.560694][ T1057] ? kasan_save_track (mm/kasan/common.c:78) [ 48.560695][ T1057] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 48.560698][ T1057] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 48.560700][ T1057] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 48.560703][ T1057] ? ___sys_sendmsg (net/socket.c:2758) [ 48.560707][ T1057] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 48.560709][ T1057] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 48.560711][ T1057] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.560713][ T1057] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 48.560715][ T1057] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.560716][ T1057] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.560718][ T1057] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 48.560720][ T1057] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 48.560722][ T1057] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 48.560724][ T1057] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 48.560728][ T1057] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 48.560729][ T1057] ? nla_get_range_signed (lib/nlattr.c:270) [ 48.560734][ T1057] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.560737][ T1057] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 48.560742][ T1057] rtnl_newlink (net/core/rtnetlink.c:4215) [ 48.560747][ T1057] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 48.560749][ T1057] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 48.560754][ T1057] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 48.560756][ T1057] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 48.560758][ T1057] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 48.560760][ T1057] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 48.560764][ T1057] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 48.560766][ T1057] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 48.560769][ T1057] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 48.560771][ T1057] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 48.560775][ T1057] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 48.560777][ T1057] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 48.560781][ T1057] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 48.560784][ T1057] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 48.560787][ T1057] ? netlink_ack (./include/linux/skbuff.h:2718) [ 48.560793][ T1057] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 48.560795][ T1057] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 48.560800][ T1057] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 48.560804][ T1057] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 48.560807][ T1057] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 48.560811][ T1057] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 48.560815][ T1057] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 48.560819][ T1057] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 48.560821][ T1057] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 48.560826][ T1057] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 48.560829][ T1057] ____sys_sendmsg (net/socket.c:2713) [ 48.560831][ T1057] ? copy_msghdr_from_user (net/socket.c:2650) [ 48.560834][ T1057] ? sock_write_iter (net/socket.c:1269) [ 48.560835][ T1057] ? move_addr_to_kernel (net/socket.c:258) [ 48.560843][ T1057] ___sys_sendmsg (net/socket.c:2767) [ 48.560846][ T1057] ? copy_msghdr_from_user (net/socket.c:2619) [ 48.560862][ T1057] __sys_sendmsg (net/socket.c:2799) [ 48.560865][ T1057] ? __sys_sendmsg_sock (net/socket.c:2780) [ 48.560871][ T1057] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.560874][ T1057] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 48.560877][ T1057] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 48.560880][ T1057] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 48.560883][ T1057] RIP: 0033:0x7f9e6589654e [ 48.560887][ T1057] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 48.560888][ T1057] RSP: 002b:00007ffd44adcce0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 48.560891][ T1057] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f9e6589654e [ 48.560892][ T1057] RDX: 0000000000000000 RSI: 00007ffd44adcd90 RDI: 0000000000000005 [ 48.560893][ T1057] RBP: 00007ffd44adccf0 R08: 0000000000000000 R09: 0000000000000000 [ 48.560894][ T1057] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910770 [ 48.560895][ T1057] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd44add460 | [ 51.145080][ T1076] softirqs last disabled at (1291470): __release_sock (./include/linux/spinlock.h:353 net/core/sock.c:3272) | [ 51.145084][ T1076] Preemption disabled at: | [ 51.145085][ T1076] 0x0 | [ 51.145095][ T1076] Tainted: [W]=WARN [ 51.145096][ T1076] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 51.145098][ T1076] Call Trace: [ 51.145099][ T1076] [ 51.145101][ T1076] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 51.145107][ T1076] __might_resched.cold (kernel/sched/core.c:9234) [ 51.145112][ T1076] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 51.145116][ T1076] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 51.145120][ T1076] __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)) [ 51.145122][ T1076] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 51.145128][ T1076] ? 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) [ 51.145131][ T1076] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 51.145135][ T1076] put_chars (drivers/char/virtio_console.c:1176) [ 51.145137][ T1076] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 51.145139][ T1076] ? __send_to_port (drivers/char/virtio_console.c:654) [ 51.145142][ T1076] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 51.145145][ T1076] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 51.145148][ T1076] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 51.145152][ T1076] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 51.145156][ T1076] ? mark_usage (kernel/locking/lockdep.c:4690) [ 51.145158][ T1076] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 51.145159][ T1076] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 51.145163][ T1076] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 51.145166][ T1076] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 51.145169][ T1076] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 51.145171][ T1076] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 51.145175][ T1076] console_emit_next_record (kernel/printk/printk.c:3183) [ 51.145179][ T1076] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 51.145181][ T1076] ? 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)) [ 51.145184][ T1076] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 51.145185][ T1076] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 51.145189][ T1076] console_flush_one_record (kernel/printk/printk.c:3268) [ 51.145193][ T1076] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 51.145195][ T1076] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 51.145200][ T1076] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 51.145203][ T1076] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 51.145205][ T1076] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 51.145207][ T1076] ? 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) [ 51.145211][ T1076] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 51.145212][ T1076] ? vprintk_emit (kernel/printk/printk.c:2478) [ 51.145215][ T1076] vprintk_emit (kernel/printk/printk.c:2479) [ 51.145218][ T1076] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 51.145219][ T1076] ? 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) [ 51.145222][ T1076] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 51.145226][ T1076] _printk (kernel/printk/printk.c:2504) [ 51.145229][ T1076] ? snapshot_read.cold (user.c:?) [ 51.145232][ T1076] ? 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) [ 51.145235][ T1076] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 51.145238][ T1076] ? 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) [ 51.145241][ T1076] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 51.145245][ T1076] ? exit_notify (kernel/exit.c:780) [ 51.145247][ T1076] ? restore_fpregs_from_fpstate (arch/x86/kernel/fpu/xstate.h:242 arch/x86/kernel/fpu/core.c:207) [ 51.145253][ T1076] __x64_sys_exit (kernel/exit.c:1118 kernel/exit.c:1116 kernel/exit.c:1116) [ 51.145255][ T1076] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:61) [ 51.145257][ T1076] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 51.145261][ T1076] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 51.145264][ T1076] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 51.145265][ T1076] RIP: 0033:0x7fdea0338c49 [ 51.145268][ T1076] Code: Unable to access opcode bytes at 0x7fdea0338c1f. Code starting with the faulting instruction =========================================== [ 51.145269][ T1076] RSP: 002b:00007fde9faf7e60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 51.145271][ T1076] RAX: ffffffffffffffda RBX: 00007fde9faf86c0 RCX: 00007fdea0338c49 [ 51.145272][ T1076] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 51.145273][ T1076] RBP: 00007fde9faf7f70 R08: 0000000000000001 R09: 00007fde9faf86c0 [ 51.145274][ T1076] R10: 0000000000000008 R11: 0000000000000246 R12: 00007fde9f2f8000 Finger prints: fpu__clear_user_states:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __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 __alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars