====================================== | [ 11.513537][ T264] softirqs last disabled at (19380): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 11.513540][ T264] Preemption disabled at: | [ 11.513540][ T264] 0x0 | [ 11.513550][ T264] Tainted: [W]=WARN [ 11.513551][ T264] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.513553][ T264] Call Trace: [ 11.513554][ T264] [ 11.513556][ T264] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.513562][ T264] __might_resched.cold (kernel/sched/core.c:9234) [ 11.513567][ T264] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.513571][ T264] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.513575][ T264] __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)) [ 11.513577][ T264] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.513583][ T264] ? 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) [ 11.513586][ T264] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.513590][ T264] put_chars (drivers/char/virtio_console.c:1176) [ 11.513593][ T264] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.513594][ T264] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.513597][ T264] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.513603][ T264] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.513610][ T264] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.513613][ T264] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.513615][ T264] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.513619][ T264] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.513623][ T264] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.513625][ T264] ? 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)) [ 11.513628][ T264] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.513629][ T264] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.513633][ T264] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.513637][ T264] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.513639][ T264] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.513645][ T264] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.513647][ T264] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.513649][ T264] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.513651][ T264] ? 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) [ 11.513655][ T264] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.513656][ T264] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.513659][ T264] vprintk_emit (kernel/printk/printk.c:2479) [ 11.513662][ T264] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.513665][ T264] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.513668][ T264] _printk (kernel/printk/printk.c:2504) [ 11.513673][ T264] ? snapshot_read.cold (user.c:?) [ 11.513675][ T264] ? 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) [ 11.513678][ T264] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.513682][ T264] ? 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) [ 11.513685][ T264] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 11.513689][ T264] ? exit_notify (kernel/exit.c:780) [ 11.513690][ T264] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.513693][ T264] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.513696][ T264] do_group_exit (kernel/exit.c:1151) [ 11.513699][ T264] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 11.513701][ T264] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 11.513703][ T264] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.513707][ T264] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.513710][ T264] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.513712][ T264] RIP: 0033:0x7f638b3111b8 [ 11.513714][ T264] Code: Unable to access opcode bytes at 0x7f638b31118e. Code starting with the faulting instruction =========================================== [ 11.513716][ T264] RSP: 002b:00007ffe32d5e468 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.513718][ T264] RAX: ffffffffffffffda RBX: 00007f638b441f88 RCX: 00007f638b3111b8 [ 11.513719][ T264] RDX: 00007f638b05bfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 11.513720][ T264] RBP: 00007ffe32d5e4c0 R08: 0000000000000000 R09: 0000000000000050 [ 11.513721][ T264] R10: 00007ffe32d5e280 R11: 0000000000000246 R12: 0000000000000001 [ 11.513722][ T264] R13: 0000000000000000 R14: 00007f638b440680 R15: 00007f638b441fa0 | [ 15.064670][ T377] softirqs last disabled at (34195): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 15.064674][ T377] Preemption disabled at: | [ 15.064675][ T377] 0x0 | [ 15.064688][ T377] Tainted: [W]=WARN [ 15.064690][ T377] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.064692][ T377] Call Trace: [ 15.064694][ T377] [ 15.064696][ T377] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.064705][ T377] __might_resched.cold (kernel/sched/core.c:9234) [ 15.064712][ T377] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 15.064718][ T377] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 15.064725][ T377] __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)) [ 15.064729][ T377] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.064739][ T377] ? 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) [ 15.064743][ T377] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.064749][ T377] put_chars (drivers/char/virtio_console.c:1176) [ 15.064754][ T377] ? __send_to_port (drivers/char/virtio_console.c:654) [ 15.064756][ T377] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.064762][ T377] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.064772][ T377] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 15.064785][ T377] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 15.064789][ T377] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.064793][ T377] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.064800][ T377] console_emit_next_record (kernel/printk/printk.c:3183) [ 15.064807][ T377] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.064810][ T377] ? 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)) [ 15.064816][ T377] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.064819][ T377] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.064826][ T377] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.064834][ T377] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.064837][ T377] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.064847][ T377] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.064853][ T377] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.064855][ T377] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.064858][ T377] ? 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) [ 15.064866][ T377] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.064868][ T377] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.064874][ T377] vprintk_emit (kernel/printk/printk.c:2479) [ 15.064880][ T377] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.064886][ T377] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.064894][ T377] _printk (kernel/printk/printk.c:2504) [ 15.064899][ T377] ? snapshot_read.cold (user.c:?) [ 15.064904][ T377] ? 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) [ 15.064908][ T377] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 15.064915][ T377] ? 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) [ 15.064920][ T377] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 15.064926][ T377] ? exit_notify (kernel/exit.c:780) [ 15.064928][ T377] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.064933][ T377] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.064940][ T377] do_group_exit (kernel/exit.c:1151) [ 15.064945][ T377] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 15.064948][ T377] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 15.064952][ T377] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 15.064957][ T377] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 15.064962][ T377] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 15.064965][ T377] RIP: 0033:0x7ff14b2171b8 [ 15.064968][ T377] Code: Unable to access opcode bytes at 0x7ff14b21718e. Code starting with the faulting instruction =========================================== [ 15.064970][ T377] RSP: 002b:00007ffc0204b978 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 15.064974][ T377] RAX: ffffffffffffffda RBX: 00007ff14b347f88 RCX: 00007ff14b2171b8 [ 15.064976][ T377] RDX: 00007ff14af61fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 15.064977][ T377] RBP: 00007ffc0204b9d0 R08: 0000000000000000 R09: 0000000000008010 [ 15.064979][ T377] R10: 00007ffc0204b790 R11: 0000000000000246 R12: 0000000000000001 [ 15.064980][ T377] R13: 0000000000000000 R14: 00007ff14b346680 R15: 00007ff14b347fa0 | [ 26.701357][ T548] softirqs last disabled at (51467): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 26.701359][ T548] Preemption disabled at: | [ 26.701360][ T548] 0x0 | [ 26.701370][ T548] Tainted: [W]=WARN [ 26.701371][ T548] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 26.701372][ T548] Call Trace: [ 26.701374][ T548] [ 26.701375][ T548] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 26.701382][ T548] __might_resched.cold (kernel/sched/core.c:9234) [ 26.701386][ T548] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 26.701390][ T548] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 26.701395][ T548] __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)) [ 26.701396][ T548] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 26.701403][ T548] ? 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) [ 26.701406][ T548] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 26.701410][ T548] put_chars (drivers/char/virtio_console.c:1176) [ 26.701412][ T548] ? __send_to_port (drivers/char/virtio_console.c:654) [ 26.701413][ T548] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 26.701417][ T548] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 26.701422][ T548] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 26.701430][ T548] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 26.701433][ T548] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.701435][ T548] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.701439][ T548] console_emit_next_record (kernel/printk/printk.c:3183) [ 26.701443][ T548] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 26.701444][ T548] ? 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)) [ 26.701448][ T548] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.701449][ T548] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.701453][ T548] console_flush_one_record (kernel/printk/printk.c:3268) [ 26.701457][ T548] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 26.701459][ T548] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.701464][ T548] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 26.701467][ T548] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 26.701469][ T548] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.701471][ T548] ? 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) [ 26.701475][ T548] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 26.701476][ T548] ? vprintk_emit (kernel/printk/printk.c:2478) [ 26.701479][ T548] vprintk_emit (kernel/printk/printk.c:2479) [ 26.701482][ T548] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 26.701484][ T548] ? 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) [ 26.701487][ T548] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.701490][ T548] _printk (kernel/printk/printk.c:2504) [ 26.701494][ T548] ? snapshot_read.cold (user.c:?) [ 26.701497][ T548] ? 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) [ 26.701500][ T548] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 26.701504][ T548] ? 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) [ 26.701506][ T548] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 26.701510][ T548] ? exit_notify (kernel/exit.c:780) [ 26.701511][ T548] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 26.701514][ T548] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.701517][ T548] do_group_exit (kernel/exit.c:1151) [ 26.701520][ T548] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 26.701522][ T548] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 26.701525][ T548] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 26.701529][ T548] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 26.701531][ T548] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 26.701534][ T548] RIP: 0033:0x7f5bdaecd1b8 [ 26.701536][ T548] Code: Unable to access opcode bytes at 0x7f5bdaecd18e. Code starting with the faulting instruction =========================================== [ 26.701537][ T548] RSP: 002b:00007fff4e8584d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 26.701539][ T548] RAX: ffffffffffffffda RBX: 00007f5bdaffdf88 RCX: 00007f5bdaecd1b8 [ 26.701540][ T548] RDX: 00007f5bdae0aa48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 26.701541][ T548] RBP: 00007fff4e858530 R08: 0000000000000000 R09: 0000000000000000 [ 26.701542][ T548] R10: 00007fff4e858370 R11: 0000000000000246 R12: 0000000000000001 [ 26.701543][ T548] R13: 0000000000000000 R14: 00007f5bdaffc680 R15: 00007f5bdaffdfa0 | [ 28.743075][ T616] softirqs last disabled at (15778): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 28.743078][ T616] Preemption disabled at: | [ 28.743078][ T616] vprintk_emit (kernel/printk/printk.c:2471) | [ 28.743087][ T616] Tainted: [W]=WARN [ 28.743088][ T616] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 28.743089][ T616] Call Trace: [ 28.743093][ T616] [ 28.743095][ T616] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 28.743101][ T616] ? vprintk_emit (kernel/printk/printk.c:2471) [ 28.743103][ T616] __might_resched.cold (kernel/sched/core.c:9234) [ 28.743107][ T616] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 28.743111][ T616] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 28.743116][ T616] __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)) [ 28.743118][ T616] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 28.743124][ T616] ? 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) [ 28.743127][ T616] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 28.743131][ T616] put_chars (drivers/char/virtio_console.c:1176) [ 28.743134][ T616] ? __send_to_port (drivers/char/virtio_console.c:654) [ 28.743136][ T616] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 28.743142][ T616] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 28.743149][ T616] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 28.743152][ T616] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.743155][ T616] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 28.743159][ T616] console_emit_next_record (kernel/printk/printk.c:3183) [ 28.743163][ T616] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 28.743165][ T616] ? 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)) [ 28.743168][ T616] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.743170][ T616] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 28.743174][ T616] console_flush_one_record (kernel/printk/printk.c:3268) [ 28.743178][ T616] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 28.743180][ T616] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 28.743185][ T616] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 28.743188][ T616] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 28.743190][ T616] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.743192][ T616] ? 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) [ 28.743195][ T616] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 28.743197][ T616] ? vprintk_emit (kernel/printk/printk.c:2478) [ 28.743200][ T616] vprintk_emit (kernel/printk/printk.c:2479) [ 28.743203][ T616] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 28.743205][ T616] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 28.743206][ T616] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 28.743211][ T616] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 28.743214][ T616] _printk (kernel/printk/printk.c:2504) [ 28.743218][ T616] ? snapshot_read.cold (user.c:?) [ 28.743221][ T616] ? br_multicast_flood (??:?) [ 28.743225][ T616] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 28.743226][ T616] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 28.743227][ T616] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 28.743232][ T616] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 28.743236][ T616] br_init_port (net/bridge/br_stp_if.c:39) [ 28.743238][ T616] new_nbp (net/bridge/br_if.c:449) [ 28.743242][ T616] br_add_if (net/bridge/br_if.c:592) [ 28.743244][ T616] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 28.743248][ T616] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 28.743261][ T616] do_set_master (net/core/rtnetlink.c:3071) [ 28.743265][ T616] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 28.743268][ T616] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 28.743272][ T616] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 28.743273][ T616] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 28.743276][ T616] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 28.743279][ T616] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 28.743281][ T616] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 28.743283][ T616] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 28.743286][ T616] ? kasan_save_stack (mm/kasan/common.c:58) [ 28.743288][ T616] ? kasan_save_stack (mm/kasan/common.c:57) [ 28.743289][ T616] ? kasan_save_track (mm/kasan/common.c:78) [ 28.743290][ T616] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 28.743293][ T616] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 28.743295][ T616] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 28.743298][ T616] ? ___sys_sendmsg (net/socket.c:2758) [ 28.743302][ T616] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 28.743304][ T616] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 28.743306][ T616] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.743308][ T616] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 28.743310][ T616] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.743311][ T616] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.743312][ T616] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 28.743315][ T616] ? __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) [ 28.743316][ T616] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 28.743318][ T616] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 28.743322][ T616] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 28.743323][ T616] ? nla_get_range_signed (lib/nlattr.c:270) [ 28.743328][ T616] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.743330][ T616] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 28.743336][ T616] rtnl_newlink (net/core/rtnetlink.c:4215) [ 28.743341][ T616] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 28.743343][ T616] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 28.743348][ T616] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 28.743349][ T616] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 28.743352][ T616] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 28.743353][ T616] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 28.743357][ T616] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 28.743359][ T616] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 28.743362][ T616] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 28.743364][ T616] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 28.743368][ T616] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 28.743370][ T616] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 28.743374][ T616] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 28.743377][ T616] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 28.743380][ T616] ? netlink_ack (./include/linux/skbuff.h:2718) [ 28.743387][ T616] ? 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)) [ 28.743389][ T616] ? 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)) [ 28.743393][ T616] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 28.743397][ T616] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 28.743400][ T616] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 28.743404][ T616] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 28.743408][ T616] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 28.743412][ T616] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 28.743414][ T616] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 28.743419][ T616] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 28.743422][ T616] ____sys_sendmsg (net/socket.c:2713) [ 28.743424][ T616] ? copy_msghdr_from_user (net/socket.c:2650) [ 28.743427][ T616] ? sock_write_iter (net/socket.c:1269) [ 28.743428][ T616] ? move_addr_to_kernel (net/socket.c:258) [ 28.743436][ T616] ___sys_sendmsg (net/socket.c:2767) [ 28.743439][ T616] ? copy_msghdr_from_user (net/socket.c:2619) [ 28.743455][ T616] __sys_sendmsg (net/socket.c:2799) [ 28.743458][ T616] ? __sys_sendmsg_sock (net/socket.c:2780) [ 28.743465][ T616] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.743468][ T616] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 28.743471][ T616] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 28.743473][ T616] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 28.743476][ T616] RIP: 0033:0x7f053fe9254e [ 28.743480][ T616] 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 [ 28.743482][ T616] RSP: 002b:00007ffe006de620 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 28.743484][ T616] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f053fe9254e [ 28.743486][ T616] RDX: 0000000000000000 RSI: 00007ffe006de6d0 RDI: 0000000000000005 [ 28.743486][ T616] RBP: 00007ffe006de630 R08: 0000000000000000 R09: 0000000000000000 [ 28.743487][ T616] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91af7b [ 28.743488][ T616] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe006deda0 | [ 31.534668][ T638] softirqs last disabled at (1353471): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 31.534670][ T638] Preemption disabled at: | [ 31.534671][ T638] 0x0 | [ 31.534684][ T638] Tainted: [W]=WARN [ 31.534685][ T638] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 31.534687][ T638] Call Trace: [ 31.534688][ T638] [ 31.534690][ T638] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 31.534697][ T638] __might_resched.cold (kernel/sched/core.c:9234) [ 31.534701][ T638] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 31.534705][ T638] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 31.534710][ T638] __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)) [ 31.534712][ T638] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 31.534718][ T638] ? 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) [ 31.534721][ T638] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 31.534725][ T638] put_chars (drivers/char/virtio_console.c:1176) [ 31.534727][ T638] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 31.534729][ T638] ? __send_to_port (drivers/char/virtio_console.c:654) [ 31.534732][ T638] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 31.534735][ T638] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 31.534738][ T638] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 31.534742][ T638] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 31.534747][ T638] ? mark_usage (kernel/locking/lockdep.c:4690) [ 31.534749][ T638] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 31.534750][ T638] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 31.534754][ T638] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 31.534757][ T638] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 31.534760][ T638] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.534762][ T638] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.534766][ T638] console_emit_next_record (kernel/printk/printk.c:3183) [ 31.534770][ T638] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 31.534772][ T638] ? 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)) [ 31.534775][ T638] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.534777][ T638] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.534781][ T638] console_flush_one_record (kernel/printk/printk.c:3268) [ 31.534785][ T638] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 31.534787][ T638] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 31.534792][ T638] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 31.534795][ T638] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 31.534797][ T638] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.534798][ T638] ? 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) [ 31.534802][ T638] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 31.534804][ T638] ? vprintk_emit (kernel/printk/printk.c:2478) [ 31.534806][ T638] vprintk_emit (kernel/printk/printk.c:2479) [ 31.534809][ T638] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 31.534811][ T638] ? 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) [ 31.534814][ T638] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 31.534817][ T638] _printk (kernel/printk/printk.c:2504) [ 31.534821][ T638] ? snapshot_read.cold (user.c:?) [ 31.534824][ T638] ? 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) [ 31.534826][ T638] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 31.534830][ T638] ? 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) [ 31.534833][ T638] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 31.534837][ T638] ? exit_notify (kernel/exit.c:780) [ 31.534842][ T638] __x64_sys_exit (kernel/exit.c:1118 kernel/exit.c:1116 kernel/exit.c:1116) [ 31.534844][ T638] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:61) [ 31.534846][ T638] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 31.534850][ T638] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 31.534853][ T638] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 31.534855][ T638] RIP: 0033:0x7f4108cd4c49 [ 31.534857][ T638] Code: Unable to access opcode bytes at 0x7f4108cd4c1f. Code starting with the faulting instruction =========================================== [ 31.534859][ T638] RSP: 002b:00007f4108493e60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 31.534861][ T638] RAX: ffffffffffffffda RBX: 00007f41084946c0 RCX: 00007f4108cd4c49 [ 31.534863][ T638] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 31.534864][ T638] RBP: 00007f4108493f70 R08: 0000000000000001 R09: 00007f41084946c0 [ 31.534865][ T638] R10: 0000000000000008 R11: 0000000000000246 R12: 00007f4107c94000 [ 31.534865][ T638] R13: 00007ffeaccd94d0 R14: 0000000000000002 R15: 00007ffeaccd95d7 | [ 48.123423][ T1007] softirqs last disabled at (49565): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 48.123426][ T1007] Preemption disabled at: | [ 48.123426][ T1007] 0x0 | [ 48.123436][ T1007] Tainted: [W]=WARN [ 48.123437][ T1007] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 48.123439][ T1007] Call Trace: [ 48.123440][ T1007] [ 48.123441][ T1007] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 48.123448][ T1007] __might_resched.cold (kernel/sched/core.c:9234) [ 48.123452][ T1007] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 48.123456][ T1007] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 48.123460][ T1007] __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)) [ 48.123462][ T1007] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 48.123469][ T1007] ? 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) [ 48.123472][ T1007] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 48.123475][ T1007] put_chars (drivers/char/virtio_console.c:1176) [ 48.123478][ T1007] ? __send_to_port (drivers/char/virtio_console.c:654) [ 48.123479][ T1007] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 48.123483][ T1007] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 48.123488][ T1007] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 48.123499][ T1007] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 48.123502][ T1007] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.123504][ T1007] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 48.123508][ T1007] console_emit_next_record (kernel/printk/printk.c:3183) [ 48.123512][ T1007] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 48.123514][ T1007] ? 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)) [ 48.123517][ T1007] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.123519][ T1007] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 48.123522][ T1007] console_flush_one_record (kernel/printk/printk.c:3268) [ 48.123527][ T1007] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 48.123528][ T1007] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 48.123534][ T1007] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 48.123536][ T1007] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 48.123538][ T1007] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.123540][ T1007] ? 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) [ 48.123544][ T1007] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 48.123545][ T1007] ? vprintk_emit (kernel/printk/printk.c:2478) [ 48.123548][ T1007] vprintk_emit (kernel/printk/printk.c:2479) [ 48.123551][ T1007] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 48.123552][ T1007] ? 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) [ 48.123555][ T1007] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 48.123559][ T1007] _printk (kernel/printk/printk.c:2504) [ 48.123563][ T1007] ? snapshot_read.cold (user.c:?) [ 48.123565][ T1007] ? 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) [ 48.123568][ T1007] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 48.123572][ T1007] ? 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) [ 48.123575][ T1007] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 48.123578][ T1007] ? exit_notify (kernel/exit.c:780) [ 48.123580][ T1007] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 48.123582][ T1007] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.123586][ T1007] do_group_exit (kernel/exit.c:1151) [ 48.123589][ T1007] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 48.123591][ T1007] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 48.123593][ T1007] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 48.123597][ T1007] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 48.123600][ T1007] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 48.123602][ T1007] RIP: 0033:0x7fa87430f1b8 [ 48.123604][ T1007] Code: Unable to access opcode bytes at 0x7fa87430f18e. Code starting with the faulting instruction =========================================== [ 48.123606][ T1007] RSP: 002b:00007ffeaec7c4b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 48.123608][ T1007] RAX: ffffffffffffffda RBX: 00007fa87443ff88 RCX: 00007fa87430f1b8 [ 48.123609][ T1007] RDX: 00007fa87424ca48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 48.123610][ T1007] RBP: 00007ffeaec7c510 R08: 0000000000000000 R09: 0000000000000000 [ 48.123611][ T1007] R10: 00007ffeaec7c350 R11: 0000000000000246 R12: 0000000000000001 [ 48.123612][ T1007] R13: 0000000000000000 R14: 00007fa87443e680 R15: 00007fa87443ffa0 | [ 50.179435][ T1075] softirqs last disabled at (16387): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 50.179437][ T1075] Preemption disabled at: | [ 50.179438][ T1075] vprintk_emit (kernel/printk/printk.c:2471) | [ 50.179447][ T1075] Tainted: [W]=WARN [ 50.179448][ T1075] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 50.179450][ T1075] Call Trace: [ 50.179451][ T1075] [ 50.179453][ T1075] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 50.179459][ T1075] ? vprintk_emit (kernel/printk/printk.c:2471) [ 50.179461][ T1075] __might_resched.cold (kernel/sched/core.c:9234) [ 50.179465][ T1075] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 50.179469][ T1075] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 50.179473][ T1075] __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)) [ 50.179475][ T1075] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 50.179482][ T1075] ? 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) [ 50.179484][ T1075] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 50.179488][ T1075] put_chars (drivers/char/virtio_console.c:1176) [ 50.179491][ T1075] ? __send_to_port (drivers/char/virtio_console.c:654) [ 50.179492][ T1075] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 50.179496][ T1075] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 50.179501][ T1075] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 50.179509][ T1075] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 50.179511][ T1075] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.179513][ T1075] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 50.179517][ T1075] console_emit_next_record (kernel/printk/printk.c:3183) [ 50.179522][ T1075] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 50.179523][ T1075] ? 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)) [ 50.179527][ T1075] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.179529][ T1075] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 50.179532][ T1075] console_flush_one_record (kernel/printk/printk.c:3268) [ 50.179537][ T1075] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 50.179539][ T1075] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 50.179544][ T1075] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 50.179547][ T1075] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 50.179549][ T1075] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.179550][ T1075] ? 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) [ 50.179554][ T1075] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 50.179556][ T1075] ? vprintk_emit (kernel/printk/printk.c:2478) [ 50.179558][ T1075] vprintk_emit (kernel/printk/printk.c:2479) [ 50.179561][ T1075] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 50.179563][ T1075] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 50.179566][ T1075] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 50.179569][ T1075] _printk (kernel/printk/printk.c:2504) [ 50.179573][ T1075] ? snapshot_read.cold (user.c:?) [ 50.179577][ T1075] ? br_multicast_flood (??:?) [ 50.179580][ T1075] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 50.179581][ T1075] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 50.179583][ T1075] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 50.179587][ T1075] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 50.179591][ T1075] br_init_port (net/bridge/br_stp_if.c:39) [ 50.179593][ T1075] new_nbp (net/bridge/br_if.c:449) [ 50.179597][ T1075] br_add_if (net/bridge/br_if.c:592) [ 50.179600][ T1075] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 50.179603][ T1075] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 50.179609][ T1075] do_set_master (net/core/rtnetlink.c:3071) [ 50.179613][ T1075] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 50.179616][ T1075] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 50.179619][ T1075] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 50.179621][ T1075] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 50.179624][ T1075] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 50.179627][ T1075] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 50.179629][ T1075] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 50.179630][ T1075] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 50.179633][ T1075] ? kasan_save_stack (mm/kasan/common.c:58) [ 50.179635][ T1075] ? kasan_save_stack (mm/kasan/common.c:57) [ 50.179637][ T1075] ? kasan_save_track (mm/kasan/common.c:78) [ 50.179638][ T1075] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 50.179640][ T1075] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 50.179642][ T1075] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 50.179646][ T1075] ? ___sys_sendmsg (net/socket.c:2758) [ 50.179649][ T1075] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 50.179651][ T1075] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 50.179654][ T1075] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.179655][ T1075] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 50.179658][ T1075] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 50.179661][ T1075] ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:167) [ 50.179663][ T1075] ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:167) [ 50.179664][ T1075] ? lockdep_hardirqs_off (kernel/locking/lockdep.c:4527) [ 50.179666][ T1075] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37)) [ 50.179673][ T1075] ? __dev_get_by_index (net/core/dev.c:981) [ 50.179677][ T1075] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 50.179683][ T1075] rtnl_newlink (net/core/rtnetlink.c:4215) [ 50.179691][ T1075] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 50.179693][ T1075] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 50.179697][ T1075] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 50.179699][ T1075] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 50.179701][ T1075] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 50.179703][ T1075] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 50.179707][ T1075] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 50.179709][ T1075] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 50.179712][ T1075] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 50.179713][ T1075] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 50.179718][ T1075] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 50.179720][ T1075] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 50.179723][ T1075] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 50.179726][ T1075] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 50.179729][ T1075] ? netlink_ack (./include/linux/skbuff.h:2718) [ 50.179736][ T1075] ? 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)) [ 50.179737][ T1075] ? 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)) [ 50.179742][ T1075] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 50.179746][ T1075] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 50.179748][ T1075] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 50.179753][ T1075] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 50.179756][ T1075] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 50.179760][ T1075] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 50.179762][ T1075] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 50.179767][ T1075] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 50.179770][ T1075] ____sys_sendmsg (net/socket.c:2713) [ 50.179772][ T1075] ? copy_msghdr_from_user (net/socket.c:2650) [ 50.179774][ T1075] ? sock_write_iter (net/socket.c:1269) [ 50.179776][ T1075] ? move_addr_to_kernel (net/socket.c:258) [ 50.179783][ T1075] ___sys_sendmsg (net/socket.c:2767) [ 50.179786][ T1075] ? copy_msghdr_from_user (net/socket.c:2619) [ 50.179802][ T1075] __sys_sendmsg (net/socket.c:2799) [ 50.179805][ T1075] ? __sys_sendmsg_sock (net/socket.c:2780) [ 50.179811][ T1075] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 50.179814][ T1075] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 50.179817][ T1075] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 50.179819][ T1075] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 50.179822][ T1075] RIP: 0033:0x7fd4a703b54e [ 50.179826][ T1075] 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 [ 50.179827][ T1075] RSP: 002b:00007ffc476e1360 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 50.179830][ T1075] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fd4a703b54e [ 50.179832][ T1075] RDX: 0000000000000000 RSI: 00007ffc476e1410 RDI: 0000000000000005 [ 50.179832][ T1075] RBP: 00007ffc476e1370 R08: 0000000000000000 R09: 0000000000000000 [ 50.179833][ T1075] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91af90 [ 50.179834][ T1075] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc476e1ae0 | [ 52.780594][ T1094] softirqs last disabled at (1330710): 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)) | [ 52.780596][ T1094] Preemption disabled at: | [ 52.780596][ T1094] 0x0 | [ 52.780607][ T1094] Tainted: [W]=WARN [ 52.780608][ T1094] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 52.780610][ T1094] Call Trace: [ 52.780611][ T1094] [ 52.780613][ T1094] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 52.780619][ T1094] __might_resched.cold (kernel/sched/core.c:9234) [ 52.780624][ T1094] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 52.780627][ T1094] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 52.780632][ T1094] __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)) [ 52.780634][ T1094] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 52.780640][ T1094] ? 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) [ 52.780643][ T1094] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 52.780647][ T1094] put_chars (drivers/char/virtio_console.c:1176) [ 52.780649][ T1094] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 52.780651][ T1094] ? __send_to_port (drivers/char/virtio_console.c:654) [ 52.780654][ T1094] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 52.780657][ T1094] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 52.780660][ T1094] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 52.780664][ T1094] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 52.780668][ T1094] ? mark_usage (kernel/locking/lockdep.c:4690) [ 52.780670][ T1094] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 52.780671][ T1094] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 52.780675][ T1094] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 52.780678][ T1094] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 52.780681][ T1094] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.780683][ T1094] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 52.780687][ T1094] console_emit_next_record (kernel/printk/printk.c:3183) [ 52.780691][ T1094] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 52.780693][ T1094] ? 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)) [ 52.780696][ T1094] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.780698][ T1094] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 52.780702][ T1094] console_flush_one_record (kernel/printk/printk.c:3268) [ 52.780706][ T1094] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 52.780708][ T1094] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 52.780713][ T1094] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 52.780716][ T1094] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 52.780717][ T1094] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.780719][ T1094] ? 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) [ 52.780723][ T1094] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 52.780724][ T1094] ? vprintk_emit (kernel/printk/printk.c:2478) [ 52.780727][ T1094] vprintk_emit (kernel/printk/printk.c:2479) [ 52.780730][ T1094] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 52.780731][ T1094] ? 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) [ 52.780734][ T1094] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 52.780738][ T1094] _printk (kernel/printk/printk.c:2504) [ 52.780742][ T1094] ? snapshot_read.cold (user.c:?) [ 52.780745][ T1094] ? 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) [ 52.780747][ T1094] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 52.780751][ T1094] ? 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) [ 52.780754][ T1094] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 52.780758][ T1094] ? exit_notify (kernel/exit.c:780) [ 52.780763][ T1094] __x64_sys_exit (kernel/exit.c:1118 kernel/exit.c:1116 kernel/exit.c:1116) [ 52.780765][ T1094] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:61) [ 52.780767][ T1094] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 52.780771][ T1094] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 52.780774][ T1094] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 52.780776][ T1094] RIP: 0033:0x7f955ee89c49 [ 52.780778][ T1094] Code: Unable to access opcode bytes at 0x7f955ee89c1f. Code starting with the faulting instruction =========================================== [ 52.780779][ T1094] RSP: 002b:00007f955e648e60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 52.780782][ T1094] RAX: ffffffffffffffda RBX: 00007f955e6496c0 RCX: 00007f955ee89c49 [ 52.780783][ T1094] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 52.780784][ T1094] RBP: 00007f955e648f70 R08: 0000000000000001 R09: 00007f955e6496c0 [ 52.780785][ T1094] R10: 0000000000000008 R11: 0000000000000246 R12: 00007f955de49000 Finger prints: netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars fpu__clear_user_states:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print