====================================== | [ 10.791908][ T203] softirqs last disabled at (21465): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.791910][ T203] Preemption disabled at: | [ 10.791911][ T203] 0x0 | [ 10.791922][ T203] Tainted: [W]=WARN [ 10.791923][ T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.791924][ T203] Call Trace: [ 10.791926][ T203] [ 10.791928][ T203] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.791935][ T203] __might_resched.cold (kernel/sched/core.c:9234) [ 10.791939][ T203] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.791943][ T203] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.791948][ T203] __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)) [ 10.791950][ T203] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.791957][ T203] ? 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) [ 10.791960][ T203] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.791963][ T203] put_chars (drivers/char/virtio_console.c:1176) [ 10.791966][ T203] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.791967][ T203] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.791970][ T203] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.791976][ T203] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.791984][ T203] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.791986][ T203] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.791988][ T203] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.791992][ T203] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.791997][ T203] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.791998][ T203] ? 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)) [ 10.792002][ T203] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.792004][ T203] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.792008][ T203] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.792012][ T203] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.792014][ T203] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.792019][ T203] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.792022][ T203] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.792024][ T203] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.792026][ T203] ? 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) [ 10.792030][ T203] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.792031][ T203] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.792034][ T203] vprintk_emit (kernel/printk/printk.c:2479) [ 10.792037][ T203] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.792040][ T203] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.792044][ T203] _printk (kernel/printk/printk.c:2504) [ 10.792047][ T203] ? snapshot_read.cold (user.c:?) [ 10.792050][ T203] ? 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) [ 10.792053][ T203] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.792057][ T203] ? 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) [ 10.792060][ T203] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.792063][ T203] ? exit_notify (kernel/exit.c:780) [ 10.792065][ T203] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.792068][ T203] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.792071][ T203] do_group_exit (kernel/exit.c:1151) [ 10.792074][ T203] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.792076][ T203] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.792078][ T203] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.792083][ T203] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.792086][ T203] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.792088][ T203] RIP: 0033:0x7f3fa8f231b8 [ 10.792090][ T203] Code: Unable to access opcode bytes at 0x7f3fa8f2318e. Code starting with the faulting instruction =========================================== [ 10.792091][ T203] RSP: 002b:00007ffcd5ea2d38 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.792093][ T203] RAX: ffffffffffffffda RBX: 00007f3fa9053f88 RCX: 00007f3fa8f231b8 [ 10.792095][ T203] RDX: 00007f3fa8c6dfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.792096][ T203] RBP: 00007ffcd5ea2d90 R08: 0000000000000000 R09: 0000000000000060 [ 10.792097][ T203] R10: 00007ffcd5ea2b50 R11: 0000000000000246 R12: 0000000000000001 [ 10.792098][ T203] R13: 0000000000000000 R14: 00007f3fa9052680 R15: 00007f3fa9053fa0 | [ 33.047420][ T1104] softirqs last disabled at (18655): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 33.047423][ T1104] Preemption disabled at: | [ 33.047424][ T1104] vprintk_emit (kernel/printk/printk.c:2471) | [ 33.047436][ T1104] Tainted: [W]=WARN [ 33.047437][ T1104] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 33.047440][ T1104] Call Trace: [ 33.047442][ T1104] [ 33.047444][ T1104] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 33.047452][ T1104] ? vprintk_emit (kernel/printk/printk.c:2471) [ 33.047454][ T1104] __might_resched.cold (kernel/sched/core.c:9234) [ 33.047461][ T1104] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 33.047466][ T1104] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 33.047473][ T1104] __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)) [ 33.047476][ T1104] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 33.047487][ T1104] ? 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) [ 33.047490][ T1104] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 33.047496][ T1104] put_chars (drivers/char/virtio_console.c:1176) [ 33.047500][ T1104] ? __send_to_port (drivers/char/virtio_console.c:654) [ 33.047503][ T1104] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 33.047508][ T1104] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 33.047518][ T1104] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 33.047530][ T1104] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 33.047534][ T1104] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.047538][ T1104] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.047545][ T1104] console_emit_next_record (kernel/printk/printk.c:3183) [ 33.047552][ T1104] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 33.047554][ T1104] ? 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)) [ 33.047560][ T1104] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.047563][ T1104] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.047570][ T1104] console_flush_one_record (kernel/printk/printk.c:3268) [ 33.047578][ T1104] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 33.047581][ T1104] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 33.047590][ T1104] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 33.047595][ T1104] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 33.047598][ T1104] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.047601][ T1104] ? 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) [ 33.047608][ T1104] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 33.047610][ T1104] ? vprintk_emit (kernel/printk/printk.c:2478) [ 33.047616][ T1104] vprintk_emit (kernel/printk/printk.c:2479) [ 33.047622][ T1104] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 33.047631][ T1104] ? exit_u32 (./include/net/pkt_cls.h:188 ./include/net/pkt_cls.h:231 net/sched/cls_u32.c:1373) cls_u32 [ 33.047637][ T1104] _printk (kernel/printk/printk.c:2504) [ 33.047643][ T1104] ? snapshot_read.cold (user.c:?) [ 33.047654][ T1104] ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356) [ 33.047659][ T1104] init_u32 (net/sched/cls_u32.c:1370) cls_u32 [ 33.047665][ T1104] do_one_initcall (init/main.c:1357) [ 33.047670][ T1104] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 33.047678][ T1104] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 33.047682][ T1104] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 33.047691][ T1104] do_init_module (kernel/module/main.c:3117) [ 33.047696][ T1104] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 33.047702][ T1104] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 33.047707][ T1104] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 33.047714][ T1104] load_module (kernel/module/main.c:3593) [ 33.047723][ T1104] ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11)) [ 33.047730][ T1104] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 33.047736][ T1104] ? __ia32_sys_fsconfig (??:?) [ 33.047743][ T1104] ? backing_file_read_iter (fs/backing-file.c:211) [ 33.047748][ T1104] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 33.047753][ T1104] init_module_from_file (kernel/module/main.c:3790) [ 33.047758][ T1104] ? __do_sys_init_module (kernel/module/main.c:3664) [ 33.047773][ T1104] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 33.047779][ T1104] ? 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) [ 33.047784][ T1104] idempotent_init_module (kernel/module/main.c:3802) [ 33.047789][ T1104] ? init_module_from_file (kernel/module/main.c:3791) [ 33.047800][ T1104] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 33.047803][ T1104] ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769) [ 33.047812][ T1104] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 33.047815][ T1104] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 33.047821][ T1104] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 33.047825][ T1104] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 33.047829][ T1104] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 33.047832][ T1104] RIP: 0033:0x7f37e191737d [ 33.047837][ T1104] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48 All code ======== 0: ff c3 inc %ebx 2: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1) 9: 00 00 00 c: 90 nop d: f3 0f 1e fa endbr64 11: 48 89 f8 mov %rdi,%rax 14: 48 89 f7 mov %rsi,%rdi 17: 48 89 d6 mov %rdx,%rsi 1a: 48 89 ca mov %rcx,%rdx 1d: 4d 89 c2 mov %r8,%r10 20: 4d 89 c8 mov %r9,%r8 23: 4c 8b 4c 24 08 mov 0x8(%rsp),%r9 28: 0f 05 syscall 2a:* 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax <-- trapping instruction 30: 73 01 jae 0x33 32: c3 ret 33: 48 8b 0d 4b aa 0f 00 mov 0xfaa4b(%rip),%rcx # 0xfaa85 3a: f7 d8 neg %eax 3c: 64 89 01 mov %eax,%fs:(%rcx) 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax 6: 73 01 jae 0x9 8: c3 ret 9: 48 8b 0d 4b aa 0f 00 mov 0xfaa4b(%rip),%rcx # 0xfaa5b 10: f7 d8 neg %eax 12: 64 89 01 mov %eax,%fs:(%rcx) 15: 48 rex.W [ 33.047839][ T1104] RSP: 002b:00007fff86657b28 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 33.047843][ T1104] RAX: ffffffffffffffda RBX: 0000556c2f1be810 RCX: 00007f37e191737d [ 33.047845][ T1104] RDX: 0000000000000000 RSI: 0000556c21732ffd RDI: 0000000000000000 [ 33.047846][ T1104] RBP: 00007fff86657bc0 R08: 0000000000000000 R09: 0000000000000000 [ 33.047848][ T1104] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556c21732ffd [ 33.047849][ T1104] R13: 0000556c2f1be950 R14: 0000000000040000 R15: 0000000000000000 | [ 35.153721][ T1192] softirqs last disabled at (27881): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 35.153725][ T1192] Preemption disabled at: | [ 35.153726][ T1192] vprintk_emit (kernel/printk/printk.c:2471) | [ 35.153737][ T1192] Tainted: [W]=WARN [ 35.153739][ T1192] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 35.153741][ T1192] Call Trace: [ 35.153743][ T1192] [ 35.153745][ T1192] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 35.153752][ T1192] ? vprintk_emit (kernel/printk/printk.c:2471) [ 35.153755][ T1192] __might_resched.cold (kernel/sched/core.c:9234) [ 35.153760][ T1192] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 35.153766][ T1192] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 35.153773][ T1192] __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)) [ 35.153776][ T1192] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 35.153786][ T1192] ? 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) [ 35.153789][ T1192] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 35.153795][ T1192] put_chars (drivers/char/virtio_console.c:1176) [ 35.153799][ T1192] ? __send_to_port (drivers/char/virtio_console.c:654) [ 35.153800][ T1192] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 35.153806][ T1192] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 35.153809][ T1192] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 35.153817][ T1192] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 35.153822][ T1192] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.153831][ T1192] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 35.153836][ T1192] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.153844][ T1192] console_emit_next_record (kernel/printk/printk.c:3183) [ 35.153850][ T1192] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 35.153853][ T1192] ? 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)) [ 35.153858][ T1192] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.153861][ T1192] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.153868][ T1192] console_flush_one_record (kernel/printk/printk.c:3268) [ 35.153874][ T1192] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 35.153877][ T1192] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.153886][ T1192] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 35.153891][ T1192] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 35.153894][ T1192] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.153896][ T1192] ? 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) [ 35.153903][ T1192] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 35.153905][ T1192] ? vprintk_emit (kernel/printk/printk.c:2478) [ 35.153910][ T1192] vprintk_emit (kernel/printk/printk.c:2479) [ 35.153916][ T1192] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 35.153924][ T1192] ? ip6gre_fini (net/ipv6/ip6_gre.c:1112 (discriminator 1)) ip6_gre [ 35.153929][ T1192] _printk (kernel/printk/printk.c:2504) [ 35.153934][ T1192] ? snapshot_read.cold (user.c:?) [ 35.153949][ T1192] ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356) [ 35.153954][ T1192] ip6gre_init (net/ipv6/ip6_gre.c:223) ip6_gre [ 35.153959][ T1192] do_one_initcall (init/main.c:1357) [ 35.153963][ T1192] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 35.153971][ T1192] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 35.153974][ T1192] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 35.153983][ T1192] do_init_module (kernel/module/main.c:3117) [ 35.153988][ T1192] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 35.153993][ T1192] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 35.153998][ T1192] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 35.154004][ T1192] load_module (kernel/module/main.c:3593) [ 35.154013][ T1192] ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11)) [ 35.154020][ T1192] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 35.154026][ T1192] ? __ia32_sys_fsconfig (??:?) [ 35.154031][ T1192] ? backing_file_read_iter (fs/backing-file.c:211) [ 35.154036][ T1192] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 35.154042][ T1192] init_module_from_file (kernel/module/main.c:3790) [ 35.154046][ T1192] ? __do_sys_init_module (kernel/module/main.c:3664) [ 35.154060][ T1192] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 35.154065][ T1192] ? 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) [ 35.154070][ T1192] idempotent_init_module (kernel/module/main.c:3802) [ 35.154075][ T1192] ? init_module_from_file (kernel/module/main.c:3791) [ 35.154085][ T1192] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 35.154088][ T1192] ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769) [ 35.154096][ T1192] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 35.154099][ T1192] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 35.154104][ T1192] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 35.154108][ T1192] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 35.154112][ T1192] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 35.154115][ T1192] RIP: 0033:0x7f65430d237d [ 35.154119][ T1192] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48 All code ======== 0: ff c3 inc %ebx 2: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1) 9: 00 00 00 c: 90 nop d: f3 0f 1e fa endbr64 11: 48 89 f8 mov %rdi,%rax 14: 48 89 f7 mov %rsi,%rdi 17: 48 89 d6 mov %rdx,%rsi 1a: 48 89 ca mov %rcx,%rdx 1d: 4d 89 c2 mov %r8,%r10 20: 4d 89 c8 mov %r9,%r8 23: 4c 8b 4c 24 08 mov 0x8(%rsp),%r9 28: 0f 05 syscall 2a:* 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax <-- trapping instruction 30: 73 01 jae 0x33 32: c3 ret 33: 48 8b 0d 4b aa 0f 00 mov 0xfaa4b(%rip),%rcx # 0xfaa85 3a: f7 d8 neg %eax 3c: 64 89 01 mov %eax,%fs:(%rcx) 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax 6: 73 01 jae 0x9 8: c3 ret 9: 48 8b 0d 4b aa 0f 00 mov 0xfaa4b(%rip),%rcx # 0xfaa5b 10: f7 d8 neg %eax 12: 64 89 01 mov %eax,%fs:(%rcx) 15: 48 rex.W [ 35.154122][ T1192] RSP: 002b:00007fff9fbabb08 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 35.154125][ T1192] RAX: ffffffffffffffda RBX: 00005577c02b5810 RCX: 00007f65430d237d [ 35.154127][ T1192] RDX: 0000000000000000 RSI: 00005577bbe83ffd RDI: 0000000000000000 [ 35.154129][ T1192] RBP: 00007fff9fbabba0 R08: 0000000000000000 R09: 0000000000000000 [ 35.154130][ T1192] R10: 0000000000000000 R11: 0000000000000246 R12: 00005577bbe83ffd [ 35.154131][ T1192] R13: 00005577c02b59a0 R14: 0000000000040000 R15: 0000000000000000 | [ 35.337744][ T10] #11: ffffffffa1c9d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) | [ 35.337748][ T10] | [ 35.337748][ T10] stack backtrace: | [ 35.337754][ T10] Tainted: [W]=WARN [ 35.337755][ T10] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 35.337756][ T10] Workqueue: mld mld_ifc_work [ 35.337759][ T10] Call Trace: [ 35.337761][ T10] [ 35.337763][ T10] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 35.337770][ T10] lockdep_rcu_suspicious.cold (kernel/locking/lockdep.c:6938) [ 35.337776][ T10] __might_resched (kernel/sched/core.c:9196 (discriminator 9)) [ 35.337780][ T10] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 35.337783][ T10] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 35.337788][ T10] __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)) [ 35.337790][ T10] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 35.337797][ T10] ? 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) [ 35.337800][ T10] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 35.337804][ T10] put_chars (drivers/char/virtio_console.c:1176) [ 35.337806][ T10] ? __send_to_port (drivers/char/virtio_console.c:654) [ 35.337809][ T10] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 35.337815][ T10] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 35.337823][ T10] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 35.337826][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.337829][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.337833][ T10] console_emit_next_record (kernel/printk/printk.c:3183) [ 35.337837][ T10] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 35.337839][ T10] ? 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)) [ 35.337842][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.337844][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.337848][ T10] console_flush_one_record (kernel/printk/printk.c:3268) [ 35.337852][ T10] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 35.337854][ T10] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.337860][ T10] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 35.337863][ T10] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 35.337865][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.337867][ T10] ? 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) [ 35.337871][ T10] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 35.337873][ T10] ? vprintk_emit (kernel/printk/printk.c:2478) [ 35.337876][ T10] vprintk_emit (kernel/printk/printk.c:2479) [ 35.337879][ T10] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 35.337881][ T10] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 35.337886][ T10] _printk (kernel/printk/printk.c:2504) [ 35.337889][ T10] ? snapshot_read.cold (user.c:?) [ 35.337891][ T10] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 35.337897][ T10] ? idr_get_free (??:?) [ 35.337902][ T10] ip6_tnl_xmit_ctl.cold (net/ipv6/ip6_tunnel.c:1064 (discriminator 3)) [ 35.337907][ T10] ip6gre_tunnel_xmit (net/ipv6/ip6_gre.c:888) ip6_gre [ 35.337913][ T10] ? __gre6_xmit (./include/net/gre.h:135 (discriminator 2)) ip6_gre [ 35.337916][ T10] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 35.337919][ T10] ? netif_skb_features (net/core/dev.c:3793 net/core/dev.c:3922) [ 35.337922][ T10] ? mark_lock_irq (kernel/locking/lockdep.c:4265 (discriminator 1) kernel/locking/lockdep.c:4314 (discriminator 1)) [ 35.337925][ T10] ? skb_network_protocol (./include/linux/skbuff.h:2534) [ 35.337928][ T10] ? save_trace (kernel/locking/lockdep.c:558 kernel/locking/lockdep.c:594) [ 35.337934][ T10] dev_hard_start_xmit (./include/linux/netdevice.h:5429 ./include/linux/netdevice.h:5438 net/core/dev.c:3937 net/core/dev.c:3953) [ 35.337944][ T10] sch_direct_xmit (net/sched/sch_generic.c:372) [ 35.337949][ T10] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 35.337952][ T10] ? dequeue_skb (./include/trace/events/qdisc.h:14 (discriminator 19)) [ 35.337954][ T10] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 35.337955][ T10] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 35.337957][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.337962][ T10] __dev_xmit_skb (net/core/dev.c:4262) [ 35.337966][ T10] ? alloc_netdev_dummy (net/core/dev.c:12327) [ 35.337968][ T10] ? __dev_queue_xmit (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/core/dev.c:4844 (discriminator 2)) [ 35.337971][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.337973][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.337977][ T10] __dev_queue_xmit (net/core/dev.c:4884) [ 35.337980][ T10] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.337985][ T10] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 35.337986][ T10] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 35.337988][ T10] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 35.337992][ T10] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 35.337996][ T10] ? eth_header (net/ethernet/eth.c:99) [ 35.337999][ T10] ? neigh_resolve_output.part.0 (./include/linux/netdevice.h:3537 net/core/neighbour.c:1611) [ 35.338007][ T10] ip6_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv6/ip6_output.c:138 (discriminator 3)) [ 35.338012][ T10] ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269) [ 35.338014][ T10] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 35.338017][ T10] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 35.338020][ T10] ? ip6_mtu (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/ip6_route.h:384 (discriminator 2) net/ipv6/route.c:3290 (discriminator 2)) [ 35.338025][ T10] ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221) [ 35.338029][ T10] ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248) [ 35.338033][ T10] ? ip6_finish_output (./include/linux/skbuff.h:1165) [ 35.338034][ T10] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 35.338037][ T10] ? xfrm_bundle_lookup.constprop.0 (net/xfrm/xfrm_policy.c:3049) [ 35.338039][ T10] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 35.338043][ T10] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 35.338046][ T10] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 35.338048][ T10] ? icmp6_dst_alloc (net/ipv6/route.c:3364) [ 35.338052][ T10] mld_sendpack (./include/net/dst.h:470 (discriminator 4) ./include/linux/netfilter.h:325 (discriminator 4) ./include/linux/netfilter.h:319 (discriminator 4) net/ipv6/mcast.c:1870 (discriminator 4)) [ 35.338056][ T10] ? mld_dad_start_work (net/ipv6/mcast.c:1133) [ 35.338062][ T10] ? mld_send_cr (./include/linux/lockdep.h:249 net/ipv6/mcast.c:2148) [ 35.338066][ T10] mld_ifc_work (net/ipv6/mcast.c:2711) [ 35.338068][ T10] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 35.338070][ T10] process_one_work (kernel/workqueue.c:3387) [ 35.338077][ T10] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 35.338080][ T10] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 35.338088][ T10] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 35.338092][ T10] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 35.338094][ T10] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 35.338097][ T10] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 35.338100][ T10] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 35.338102][ T10] kthread (kernel/kthread.c:436) [ 35.338104][ T10] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 35.338108][ T10] ? kthread_affine_preferred (kernel/kthread.c:857) [ 35.338111][ T10] ret_from_fork (arch/x86/kernel/process.c:158) [ 35.338115][ T10] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 35.338118][ T10] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 35.338122][ T10] ? kthread_affine_preferred (kernel/kthread.c:857) [ 35.338124][ T10] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 36.940980][ T10] softirqs last disabled at (45878): __dev_queue_xmit (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/core/dev.c:4844 (discriminator 2)) | [ 36.940983][ T10] Preemption disabled at: | [ 36.940984][ T10] __dev_queue_xmit (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/core/dev.c:4844 (discriminator 2)) | [ 36.940996][ T10] Tainted: [W]=WARN [ 36.940997][ T10] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 36.940999][ T10] Workqueue: mld mld_ifc_work [ 36.941003][ T10] Call Trace: [ 36.941005][ T10] [ 36.941007][ T10] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 36.941015][ T10] ? __dev_queue_xmit (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/core/dev.c:4844 (discriminator 2)) [ 36.941018][ T10] __might_resched.cold (kernel/sched/core.c:9234) [ 36.941024][ T10] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 36.941029][ T10] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 36.941036][ T10] __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)) [ 36.941039][ T10] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 36.941049][ T10] ? 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) [ 36.941053][ T10] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 36.941059][ T10] put_chars (drivers/char/virtio_console.c:1176) [ 36.941063][ T10] ? __send_to_port (drivers/char/virtio_console.c:654) [ 36.941068][ T10] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 36.941077][ T10] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 36.941082][ T10] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 36.941091][ T10] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 36.941096][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.941105][ T10] console_emit_next_record (kernel/printk/printk.c:3183) [ 36.941111][ T10] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 36.941114][ T10] ? 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)) [ 36.941119][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.941122][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.941129][ T10] console_flush_one_record (kernel/printk/printk.c:3268) [ 36.941136][ T10] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 36.941139][ T10] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 36.941149][ T10] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 36.941153][ T10] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 36.941156][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.941159][ T10] ? 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) [ 36.941165][ T10] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 36.941168][ T10] ? vprintk_emit (kernel/printk/printk.c:2478) [ 36.941173][ T10] vprintk_emit (kernel/printk/printk.c:2479) [ 36.941178][ T10] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 36.941182][ T10] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 36.941190][ T10] _printk (kernel/printk/printk.c:2504) [ 36.941195][ T10] ? snapshot_read.cold (user.c:?) [ 36.941197][ T10] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 36.941205][ T10] ? idr_get_free (??:?) [ 36.941213][ T10] ip6_tnl_xmit_ctl.cold (net/ipv6/ip6_tunnel.c:1064 (discriminator 3)) [ 36.941221][ T10] ip6erspan_tunnel_xmit (net/ipv6/ip6_gre.c:936) ip6_gre [ 36.941234][ T10] ? ip6gre_tunnel_siocdevprivate (net/ipv6/ip6_gre.c:1200) ip6_gre [ 36.941240][ T10] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 36.941260][ T10] dev_hard_start_xmit (./include/linux/netdevice.h:5429 ./include/linux/netdevice.h:5438 net/core/dev.c:3937 net/core/dev.c:3953) [ 36.941269][ T10] sch_direct_xmit (net/sched/sch_generic.c:372) [ 36.941274][ T10] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 36.941278][ T10] ? dequeue_skb (./include/trace/events/qdisc.h:14 (discriminator 19)) [ 36.941282][ T10] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 36.941284][ T10] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 36.941287][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.941295][ T10] __dev_xmit_skb (net/core/dev.c:4262) [ 36.941303][ T10] ? alloc_netdev_dummy (net/core/dev.c:12327) [ 36.941305][ T10] ? __dev_queue_xmit (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/core/dev.c:4844 (discriminator 2)) [ 36.941310][ T10] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.941313][ T10] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.941320][ T10] __dev_queue_xmit (net/core/dev.c:4884) [ 36.941324][ T10] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 36.941332][ T10] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 36.941334][ T10] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 36.941337][ T10] ? netdev_core_pick_tx (net/core/dev.c:4784) [ 36.941343][ T10] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 36.941348][ T10] ? eth_header (net/ethernet/eth.c:99) [ 36.941353][ T10] ? neigh_resolve_output.part.0 (./include/linux/netdevice.h:3537 net/core/neighbour.c:1611) [ 36.941365][ T10] ip6_finish_output2 (./include/net/neighbour.h:560 (discriminator 3) net/ipv6/ip6_output.c:138 (discriminator 3)) [ 36.941374][ T10] ? ip6_dst_lookup (net/ipv6/ip6_output.c:1269) [ 36.941377][ T10] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 36.941381][ T10] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 36.941387][ T10] ? ip6_mtu (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/ip6_route.h:384 (discriminator 2) net/ipv6/route.c:3290 (discriminator 2)) [ 36.941395][ T10] ip6_finish_output (net/ipv6/ip6_output.c:210 net/ipv6/ip6_output.c:221) [ 36.941406][ T10] ip6_output (./include/linux/netfilter.h:314 net/ipv6/ip6_output.c:248) [ 36.941412][ T10] ? ip6_finish_output (./include/linux/skbuff.h:1165) [ 36.941414][ T10] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 36.941418][ T10] ? xfrm_bundle_lookup.constprop.0 (net/xfrm/xfrm_policy.c:3049) [ 36.941421][ T10] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 36.941427][ T10] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 36.941430][ T10] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 36.941434][ T10] ? icmp6_dst_alloc (net/ipv6/route.c:3364) [ 36.941440][ T10] mld_sendpack (./include/net/dst.h:470 (discriminator 4) ./include/linux/netfilter.h:325 (discriminator 4) ./include/linux/netfilter.h:319 (discriminator 4) net/ipv6/mcast.c:1870 (discriminator 4)) [ 36.941447][ T10] ? mld_dad_start_work (net/ipv6/mcast.c:1133) [ 36.941458][ T10] ? mld_send_cr (./include/linux/lockdep.h:249 net/ipv6/mcast.c:2148) [ 36.941465][ T10] mld_ifc_work (net/ipv6/mcast.c:2711) [ 36.941468][ T10] ? process_one_work (kernel/workqueue.c:3363 (discriminator 2)) [ 36.941471][ T10] process_one_work (kernel/workqueue.c:3387) [ 36.941483][ T10] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 36.941487][ T10] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 36.941501][ T10] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 36.941508][ T10] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 36.941511][ T10] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 36.941515][ T10] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 36.941520][ T10] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 36.941523][ T10] kthread (kernel/kthread.c:436) [ 36.941526][ T10] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 36.941531][ T10] ? kthread_affine_preferred (kernel/kthread.c:857) [ 36.941535][ T10] ret_from_fork (arch/x86/kernel/process.c:158) [ 36.941542][ T10] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 36.941547][ T10] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 36.941552][ T10] ? kthread_affine_preferred (kernel/kthread.c:857) [ 36.941557][ T10] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 38.121836][ T1315] softirqs last disabled at (13300): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 38.121838][ T1315] Preemption disabled at: | [ 38.121839][ T1315] vprintk_emit (kernel/printk/printk.c:2471) | [ 38.121848][ T1315] Tainted: [W]=WARN [ 38.121849][ T1315] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 38.121851][ T1315] Call Trace: [ 38.121853][ T1315] [ 38.121854][ T1315] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 38.121860][ T1315] ? vprintk_emit (kernel/printk/printk.c:2471) [ 38.121862][ T1315] __might_resched.cold (kernel/sched/core.c:9234) [ 38.121867][ T1315] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 38.121871][ T1315] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 38.121876][ T1315] __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)) [ 38.121878][ T1315] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 38.121884][ T1315] ? 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) [ 38.121887][ T1315] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 38.121891][ T1315] put_chars (drivers/char/virtio_console.c:1176) [ 38.121894][ T1315] ? __send_to_port (drivers/char/virtio_console.c:654) [ 38.121900][ T1315] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 38.121908][ T1315] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 38.121911][ T1315] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.121916][ T1315] console_emit_next_record (kernel/printk/printk.c:3183) [ 38.121921][ T1315] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 38.121923][ T1315] ? 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)) [ 38.121926][ T1315] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.121929][ T1315] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.121933][ T1315] console_flush_one_record (kernel/printk/printk.c:3268) [ 38.121937][ T1315] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 38.121939][ T1315] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 38.121945][ T1315] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 38.121948][ T1315] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 38.121955][ T1315] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.121957][ T1315] ? 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) [ 38.121961][ T1315] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 38.121963][ T1315] ? vprintk_emit (kernel/printk/printk.c:2478) [ 38.121965][ T1315] vprintk_emit (kernel/printk/printk.c:2479) [ 38.121969][ T1315] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 38.121974][ T1315] _printk (kernel/printk/printk.c:2504) [ 38.121978][ T1315] ? snapshot_read.cold (user.c:?) [ 38.121979][ T1315] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.121981][ T1315] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.121982][ T1315] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.121984][ T1315] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 38.121986][ T1315] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 38.121990][ T1315] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 38.121993][ T1315] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 38.121996][ T1315] ? netdev_notice (net/core/dev.c:13194) [ 38.121998][ T1315] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 38.122003][ T1315] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.122008][ T1315] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 38.122012][ T1315] ? dev_set_allmulti (./include/linux/netdevice.h:2861 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/core/dev_api.c:314) [ 38.122014][ T1315] dev_set_allmulti (net/core/dev_api.c:315) [ 38.122016][ T1315] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 38.122020][ T1315] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 38.122026][ T1315] br_dev_delete (net/bridge/br_if.c:387) [ 38.122030][ T1315] rtnl_dellink (net/core/rtnetlink.c:3651 net/core/rtnetlink.c:3694) [ 38.122032][ T1315] ? mark_usage (kernel/locking/lockdep.c:4690) [ 38.122034][ T1315] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 38.122035][ T1315] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 38.122037][ T1315] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 38.122060][ T1315] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 38.122062][ T1315] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 38.122065][ T1315] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 38.122067][ T1315] ? mark_usage (kernel/locking/lockdep.c:4690) [ 38.122069][ T1315] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 38.122074][ T1315] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 38.122076][ T1315] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 38.122078][ T1315] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 38.122079][ T1315] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 38.122083][ T1315] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 38.122085][ T1315] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 38.122089][ T1315] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 38.122090][ T1315] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 38.122095][ T1315] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 38.122097][ T1315] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 38.122100][ T1315] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 38.122104][ T1315] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 38.122106][ T1315] ? netlink_ack (./include/linux/skbuff.h:2718) [ 38.122113][ T1315] ? 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)) [ 38.122115][ T1315] ? 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)) [ 38.122120][ T1315] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 38.122124][ T1315] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 38.122126][ T1315] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 38.122131][ T1315] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 38.122135][ T1315] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 38.122139][ T1315] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 38.122140][ T1315] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 38.122146][ T1315] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 38.122150][ T1315] ____sys_sendmsg (net/socket.c:2713) [ 38.122152][ T1315] ? copy_msghdr_from_user (net/socket.c:2650) [ 38.122155][ T1315] ? sock_write_iter (net/socket.c:1269) [ 38.122156][ T1315] ? move_addr_to_kernel (net/socket.c:258) [ 38.122164][ T1315] ___sys_sendmsg (net/socket.c:2767) [ 38.122166][ T1315] ? copy_msghdr_from_user (net/socket.c:2619) [ 38.122183][ T1315] __sys_sendmsg (net/socket.c:2799) [ 38.122186][ T1315] ? __sys_sendmsg_sock (net/socket.c:2780) [ 38.122192][ T1315] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.122195][ T1315] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 38.122198][ T1315] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 38.122201][ T1315] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 38.122204][ T1315] RIP: 0033:0x7f5cc6edb54e [ 38.122208][ T1315] 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 [ 38.122209][ T1315] RSP: 002b:00007fffa9370de0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 38.122212][ T1315] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f5cc6edb54e [ 38.122214][ T1315] RDX: 0000000000000000 RSI: 00007fffa9370e90 RDI: 0000000000000005 [ 38.122214][ T1315] RBP: 00007fffa9370df0 R08: 0000000000000000 R09: 0000000000000000 [ 38.122215][ T1315] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912d2e [ 38.122216][ T1315] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffa9371550 | [ 75.318466][ T3552] softirqs last disabled at (21893): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 75.318469][ T3552] Preemption disabled at: | [ 75.318469][ T3552] vprintk_emit (kernel/printk/printk.c:2471) | [ 75.318477][ T3552] Tainted: [W]=WARN [ 75.318478][ T3552] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 75.318480][ T3552] Call Trace: [ 75.318482][ T3552] [ 75.318483][ T3552] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 75.318489][ T3552] ? vprintk_emit (kernel/printk/printk.c:2471) [ 75.318491][ T3552] __might_resched.cold (kernel/sched/core.c:9234) [ 75.318495][ T3552] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 75.318499][ T3552] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 75.318503][ T3552] __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)) [ 75.318505][ T3552] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 75.318512][ T3552] ? 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) [ 75.318515][ T3552] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 75.318518][ T3552] put_chars (drivers/char/virtio_console.c:1176) [ 75.318521][ T3552] ? __send_to_port (drivers/char/virtio_console.c:654) [ 75.318522][ T3552] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 75.318525][ T3552] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 75.318528][ T3552] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 75.318533][ T3552] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 75.318537][ T3552] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 75.318542][ T3552] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 75.318545][ T3552] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 75.318549][ T3552] console_emit_next_record (kernel/printk/printk.c:3183) [ 75.318553][ T3552] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 75.318555][ T3552] ? 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)) [ 75.318558][ T3552] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 75.318560][ T3552] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 75.318564][ T3552] console_flush_one_record (kernel/printk/printk.c:3268) [ 75.318568][ T3552] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 75.318570][ T3552] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 75.318575][ T3552] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 75.318578][ T3552] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 75.318580][ T3552] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 75.318581][ T3552] ? 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) [ 75.318585][ T3552] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 75.318587][ T3552] ? vprintk_emit (kernel/printk/printk.c:2478) [ 75.318589][ T3552] vprintk_emit (kernel/printk/printk.c:2479) [ 75.318593][ T3552] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 75.318595][ T3552] ? macsec_exit (drivers/net/macsec.c:4354 (discriminator 1)) macsec [ 75.318599][ T3552] ? lockdep_init_map_type (kernel/locking/lockdep.c:4989 (discriminator 2)) [ 75.318603][ T3552] ? macsec_exit (drivers/net/macsec.c:4354 (discriminator 1)) macsec [ 75.318606][ T3552] _printk (kernel/printk/printk.c:2504) [ 75.318609][ T3552] ? snapshot_read.cold (user.c:?) [ 75.318611][ T3552] ? alloc_workqueue_lockdep_map (kernel/workqueue.c:6092) [ 75.318618][ T3552] macsec_init (drivers/net/macsec.c:358 (discriminator 1)) macsec [ 75.318621][ T3552] do_one_initcall (init/main.c:1357) [ 75.318625][ T3552] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 75.318629][ T3552] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 75.318632][ T3552] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 75.318637][ T3552] do_init_module (kernel/module/main.c:3117) [ 75.318640][ T3552] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 75.318644][ T3552] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 75.318647][ T3552] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 75.318650][ T3552] load_module (kernel/module/main.c:3593) [ 75.318655][ T3552] ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11)) [ 75.318660][ T3552] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 75.318664][ T3552] ? backing_file_read_iter (fs/backing-file.c:211) [ 75.318668][ T3552] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 75.318671][ T3552] init_module_from_file (kernel/module/main.c:3790) [ 75.318673][ T3552] ? __do_sys_init_module (kernel/module/main.c:3664) [ 75.318681][ T3552] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 75.318684][ T3552] ? 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) [ 75.318687][ T3552] idempotent_init_module (kernel/module/main.c:3802) [ 75.318690][ T3552] ? init_module_from_file (kernel/module/main.c:3791) [ 75.318695][ T3552] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 75.318697][ T3552] ? __x64_sys_pread64 (fs/read_write.c:764 fs/read_write.c:772 fs/read_write.c:769 fs/read_write.c:769) [ 75.318703][ T3552] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 75.318704][ T3552] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 75.318708][ T3552] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 75.318711][ T3552] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 75.318714][ T3552] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 75.318716][ T3552] RIP: 0033:0x7f850f7a637d [ 75.318719][ T3552] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48 All code ======== 0: ff c3 inc %ebx 2: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1) 9: 00 00 00 c: 90 nop d: f3 0f 1e fa endbr64 11: 48 89 f8 mov %rdi,%rax 14: 48 89 f7 mov %rsi,%rdi 17: 48 89 d6 mov %rdx,%rsi 1a: 48 89 ca mov %rcx,%rdx 1d: 4d 89 c2 mov %r8,%r10 20: 4d 89 c8 mov %r9,%r8 23: 4c 8b 4c 24 08 mov 0x8(%rsp),%r9 28: 0f 05 syscall 2a:* 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax <-- trapping instruction 30: 73 01 jae 0x33 32: c3 ret 33: 48 8b 0d 4b aa 0f 00 mov 0xfaa4b(%rip),%rcx # 0xfaa85 3a: f7 d8 neg %eax 3c: 64 89 01 mov %eax,%fs:(%rcx) 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax 6: 73 01 jae 0x9 8: c3 ret 9: 48 8b 0d 4b aa 0f 00 mov 0xfaa4b(%rip),%rcx # 0xfaa5b 10: f7 d8 neg %eax 12: 64 89 01 mov %eax,%fs:(%rcx) 15: 48 rex.W [ 75.318721][ T3552] RSP: 002b:00007ffc45c1d548 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 75.318723][ T3552] RAX: ffffffffffffffda RBX: 00005646b5aa5810 RCX: 00007f850f7a637d [ 75.318724][ T3552] RDX: 0000000000000000 RSI: 000056467aa60ffd RDI: 0000000000000000 [ 75.318725][ T3552] RBP: 00007ffc45c1d5e0 R08: 0000000000000000 R09: 0000000000000000 [ 75.318726][ T3552] R10: 0000000000000000 R11: 0000000000000246 R12: 000056467aa60ffd [ 75.318727][ T3552] R13: 00005646b5aa5960 R14: 0000000000040000 R15: 0000000000000000 | [ 76.383969][ T39] softirqs last disabled at (1094506): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 76.383971][ T39] Preemption disabled at: | [ 76.383972][ T39] 0x0 | [ 76.383982][ T39] Tainted: [W]=WARN [ 76.383983][ T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 76.383985][ T39] Workqueue: events_unbound linkwatch_event [ 76.383988][ T39] Call Trace: [ 76.383990][ T39] [ 76.383992][ T39] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 76.383998][ T39] __might_resched.cold (kernel/sched/core.c:9234) [ 76.384003][ T39] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 76.384007][ T39] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 76.384012][ T39] __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)) [ 76.384014][ T39] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 76.384021][ T39] ? 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) [ 76.384024][ T39] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 76.384028][ T39] put_chars (drivers/char/virtio_console.c:1176) [ 76.384030][ T39] ? __send_to_port (drivers/char/virtio_console.c:654) [ 76.384031][ T39] ? check_prev_add (kernel/locking/lockdep.c:3185) [ 76.384036][ T39] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 76.384040][ T39] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 76.384044][ T39] ? mark_usage (kernel/locking/lockdep.c:4690) [ 76.384046][ T39] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 76.384047][ T39] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 76.384052][ T39] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 76.384054][ T39] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 76.384058][ T39] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 76.384063][ T39] console_emit_next_record (kernel/printk/printk.c:3183) [ 76.384067][ T39] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 76.384069][ T39] ? 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)) [ 76.384072][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.384075][ T39] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 76.384079][ T39] console_flush_one_record (kernel/printk/printk.c:3268) [ 76.384084][ T39] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 76.384085][ T39] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 76.384091][ T39] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 76.384094][ T39] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 76.384096][ T39] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.384098][ T39] ? 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) [ 76.384102][ T39] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 76.384104][ T39] ? vprintk_emit (kernel/printk/printk.c:2478) [ 76.384107][ T39] vprintk_emit (kernel/printk/printk.c:2479) [ 76.384110][ T39] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 76.384121][ T39] _printk (kernel/printk/printk.c:2504) [ 76.384125][ T39] ? snapshot_read.cold (user.c:?) [ 76.384130][ T39] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 76.384134][ T39] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 76.384139][ T39] br_init_port (net/bridge/br_stp_if.c:39) [ 76.384142][ T39] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 76.384144][ T39] br_port_carrier_check (net/bridge/br_if.c:90) [ 76.384148][ T39] br_device_event (net/bridge/br.c:101) [ 76.384151][ T39] ? packet_sendmsg_spkt (af_packet.c:?) [ 76.384153][ T39] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 76.384160][ T39] notifier_call_chain (kernel/notifier.c:85) [ 76.384166][ T39] netif_state_change (net/core/dev.c:1625) [ 76.384171][ T39] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 76.384176][ T39] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 76.384178][ T39] __linkwatch_run_queue (net/core/link_watch.c:240) [ 76.384182][ T39] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 76.384184][ T39] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 76.384189][ T39] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 76.384191][ T39] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 76.384195][ T39] process_one_work (kernel/workqueue.c:3387) [ 76.384202][ T39] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 76.384205][ T39] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 76.384213][ T39] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 76.384220][ T39] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 76.384222][ T39] kthread (kernel/kthread.c:436) [ 76.384224][ T39] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 76.384228][ T39] ? kthread_affine_preferred (kernel/kthread.c:857) [ 76.384231][ T39] ret_from_fork (arch/x86/kernel/process.c:158) [ 76.384236][ T39] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 76.384239][ T39] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 76.384243][ T39] ? kthread_affine_preferred (kernel/kthread.c:857) [ 76.384246][ T39] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 77.537674][ T3650] softirqs last disabled at (15812): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 77.537676][ T3650] Preemption disabled at: | [ 77.537677][ T3650] vprintk_emit (kernel/printk/printk.c:2471) | [ 77.537686][ T3650] Tainted: [W]=WARN [ 77.537687][ T3650] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 77.537688][ T3650] Call Trace: [ 77.537690][ T3650] [ 77.537692][ T3650] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 77.537698][ T3650] ? vprintk_emit (kernel/printk/printk.c:2471) [ 77.537700][ T3650] __might_resched.cold (kernel/sched/core.c:9234) [ 77.537704][ T3650] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 77.537709][ T3650] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 77.537713][ T3650] __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)) [ 77.537715][ T3650] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 77.537722][ T3650] ? 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) [ 77.537725][ T3650] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 77.537729][ T3650] put_chars (drivers/char/virtio_console.c:1176) [ 77.537732][ T3650] ? __send_to_port (drivers/char/virtio_console.c:654) [ 77.537733][ T3650] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 77.537737][ T3650] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 77.537743][ T3650] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 77.537751][ T3650] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 77.537753][ T3650] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.537755][ T3650] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 77.537760][ T3650] console_emit_next_record (kernel/printk/printk.c:3183) [ 77.537764][ T3650] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 77.537766][ T3650] ? 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)) [ 77.537769][ T3650] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.537771][ T3650] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 77.537775][ T3650] console_flush_one_record (kernel/printk/printk.c:3268) [ 77.537779][ T3650] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 77.537781][ T3650] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 77.537786][ T3650] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 77.537789][ T3650] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 77.537791][ T3650] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.537793][ T3650] ? 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) [ 77.537797][ T3650] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 77.537798][ T3650] ? vprintk_emit (kernel/printk/printk.c:2478) [ 77.537801][ T3650] vprintk_emit (kernel/printk/printk.c:2479) [ 77.537804][ T3650] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 77.537806][ T3650] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 77.537808][ T3650] ? __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) [ 77.537811][ T3650] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 77.537814][ T3650] _printk (kernel/printk/printk.c:2504) [ 77.537818][ T3650] ? snapshot_read.cold (user.c:?) [ 77.537821][ T3650] ? new_nbp (./include/linux/netdevice.h:2866 ./include/net/netdev_lock.h:48 net/bridge/br_if.c:445) [ 77.537826][ T3650] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999) [ 77.537830][ T3650] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 77.537834][ T3650] br_init_port (net/bridge/br_stp_if.c:39) [ 77.537837][ T3650] new_nbp (net/bridge/br_if.c:449) [ 77.537841][ T3650] br_add_if (net/bridge/br_if.c:592) [ 77.537843][ T3650] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 77.537844][ T3650] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 77.537851][ T3650] do_set_master (net/core/rtnetlink.c:3071) [ 77.537854][ T3650] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 77.537858][ T3650] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 77.537861][ T3650] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 77.537863][ T3650] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 77.537866][ T3650] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 77.537869][ T3650] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 77.537871][ T3650] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 77.537873][ T3650] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 77.537875][ T3650] ? kasan_save_stack (mm/kasan/common.c:58) [ 77.537878][ T3650] ? kasan_save_stack (mm/kasan/common.c:57) [ 77.537879][ T3650] ? kasan_save_track (mm/kasan/common.c:78) [ 77.537880][ T3650] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 77.537882][ T3650] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 77.537884][ T3650] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 77.537887][ T3650] ? ___sys_sendmsg (net/socket.c:2758) [ 77.537891][ T3650] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 77.537893][ T3650] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 77.537896][ T3650] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.537898][ T3650] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 77.537899][ T3650] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.537900][ T3650] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.537902][ T3650] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 77.537904][ T3650] ? __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) [ 77.537905][ T3650] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 77.537907][ T3650] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 77.537911][ T3650] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 77.537912][ T3650] ? nla_get_range_signed (lib/nlattr.c:270) [ 77.537917][ T3650] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.537919][ T3650] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 77.537924][ T3650] rtnl_newlink (net/core/rtnetlink.c:4215) [ 77.537930][ T3650] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 77.537932][ T3650] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 77.537936][ T3650] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 77.537938][ T3650] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 77.537941][ T3650] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 77.537942][ T3650] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 77.537946][ T3650] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 77.537948][ T3650] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 77.537952][ T3650] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 77.537953][ T3650] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 77.537957][ T3650] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 77.537959][ T3650] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 77.537963][ T3650] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 77.537966][ T3650] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 77.537969][ T3650] ? netlink_ack (./include/linux/skbuff.h:2718) [ 77.537976][ T3650] ? 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)) [ 77.537978][ T3650] ? 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)) [ 77.537982][ T3650] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 77.537986][ T3650] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 77.537989][ T3650] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 77.537993][ T3650] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 77.537997][ T3650] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 77.538001][ T3650] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 77.538003][ T3650] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 77.538009][ T3650] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 77.538011][ T3650] ____sys_sendmsg (net/socket.c:2713) [ 77.538014][ T3650] ? copy_msghdr_from_user (net/socket.c:2650) [ 77.538016][ T3650] ? sock_write_iter (net/socket.c:1269) [ 77.538018][ T3650] ? move_addr_to_kernel (net/socket.c:258) [ 77.538025][ T3650] ___sys_sendmsg (net/socket.c:2767) [ 77.538028][ T3650] ? copy_msghdr_from_user (net/socket.c:2619) [ 77.538045][ T3650] __sys_sendmsg (net/socket.c:2799) [ 77.538048][ T3650] ? __sys_sendmsg_sock (net/socket.c:2780) [ 77.538054][ T3650] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.538057][ T3650] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 77.538060][ T3650] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 77.538063][ T3650] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 77.538066][ T3650] RIP: 0033:0x7ff3a65ba54e [ 77.538070][ T3650] 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 [ 77.538072][ T3650] RSP: 002b:00007ffe41e797b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 77.538074][ T3650] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff3a65ba54e [ 77.538076][ T3650] RDX: 0000000000000000 RSI: 00007ffe41e79860 RDI: 0000000000000005 [ 77.538077][ T3650] RBP: 00007ffe41e797c0 R08: 0000000000000000 R09: 0000000000000000 [ 77.538078][ T3650] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912d55 [ 77.538078][ T3650] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe41e79f20 | [ 79.422256][ T3594] softirqs last disabled at (403076): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 79.422259][ T3594] Preemption disabled at: | [ 79.422260][ T3594] vprintk_emit (kernel/printk/printk.c:2471) | [ 79.422271][ T3594] Tainted: [W]=WARN [ 79.422273][ T3594] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 79.422277][ T3594] Call Trace: [ 79.422281][ T3594] [ 79.422285][ T3594] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 79.422297][ T3594] ? vprintk_emit (kernel/printk/printk.c:2471) [ 79.422300][ T3594] __might_resched.cold (kernel/sched/core.c:9234) [ 79.422311][ T3594] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 79.422318][ T3594] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 79.422325][ T3594] __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)) [ 79.422329][ T3594] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 79.422338][ T3594] ? 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) [ 79.422342][ T3594] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 79.422348][ T3594] put_chars (drivers/char/virtio_console.c:1176) [ 79.422352][ T3594] ? __send_to_port (drivers/char/virtio_console.c:654) [ 79.422357][ T3594] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 79.422365][ T3594] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 79.422370][ T3594] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 79.422379][ T3594] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 79.422384][ T3594] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 79.422394][ T3594] console_emit_next_record (kernel/printk/printk.c:3183) [ 79.422406][ T3594] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 79.422412][ T3594] ? 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)) [ 79.422417][ T3594] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 79.422422][ T3594] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 79.422432][ T3594] console_flush_one_record (kernel/printk/printk.c:3268) [ 79.422440][ T3594] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 79.422443][ T3594] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 79.422452][ T3594] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 79.422456][ T3594] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 79.422459][ T3594] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 79.422462][ T3594] ? 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) [ 79.422468][ T3594] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 79.422471][ T3594] ? vprintk_emit (kernel/printk/printk.c:2478) [ 79.422476][ T3594] vprintk_emit (kernel/printk/printk.c:2479) [ 79.422481][ T3594] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 79.422483][ T3594] ? __kernel_text_address (kernel/extable.c:79) [ 79.422487][ T3594] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 79.422491][ T3594] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 79.422500][ T3594] dev_vprintk_emit (drivers/base/core.c:5000) [ 79.422507][ T3594] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 79.422520][ T3594] dev_printk_emit (drivers/base/core.c:5011) [ 79.422524][ T3594] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 79.422531][ T3594] ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3)) [ 79.422539][ T3594] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 79.422549][ T3594] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 79.422553][ T3594] ? netdev_notice (net/core/dev.c:13194) [ 79.422557][ T3594] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 79.422562][ T3594] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 79.422566][ T3594] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 79.422572][ T3594] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 79.422575][ T3594] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 79.422580][ T3594] ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2)) [ 79.422585][ T3594] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 79.422590][ T3594] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 79.422594][ T3594] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 79.422603][ T3594] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 79.422607][ T3594] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 79.422610][ T3594] ? irq_matrix_free (kernel/irq/matrix.c:429 (discriminator 2)) [ 79.422615][ T3594] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 79.422618][ T3594] ? mark_usage (kernel/locking/lockdep.c:4690) [ 79.422620][ T3594] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 79.422624][ T3594] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 79.422627][ T3594] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 79.422635][ T3594] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 79.422638][ T3594] ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2)) [ 79.422640][ T3594] ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242) [ 79.422646][ T3594] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 79.422649][ T3594] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 79.422653][ T3594] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 79.422656][ T3594] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 79.422658][ T3594] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 79.422660][ T3594] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 79.422662][ T3594] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 79.422665][ T3594] ? __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) [ 79.422667][ T3594] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 79.422669][ T3594] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 79.422671][ T3594] ? mark_usage (kernel/locking/lockdep.c:4690) [ 79.422674][ T3594] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 79.422676][ T3594] ? nla_get_range_signed (lib/nlattr.c:270) [ 79.422679][ T3594] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 79.422683][ T3594] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 79.422690][ T3594] rtnl_setlink (net/core/rtnetlink.c:3596) [ 79.422693][ T3594] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 79.422695][ T3594] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 79.422718][ T3594] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 79.422720][ T3594] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 79.422722][ T3594] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 79.422724][ T3594] ? mark_usage (kernel/locking/lockdep.c:4690) [ 79.422726][ T3594] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 79.422731][ T3594] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 79.422733][ T3594] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 79.422735][ T3594] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 79.422737][ T3594] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 79.422741][ T3594] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 79.422743][ T3594] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 79.422746][ T3594] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 79.422748][ T3594] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 79.422754][ T3594] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 79.422757][ T3594] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 79.422762][ T3594] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 79.422766][ T3594] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 79.422771][ T3594] ? netlink_ack (./include/linux/skbuff.h:2718) [ 79.422782][ T3594] ? 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)) [ 79.422785][ T3594] ? 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)) [ 79.422793][ T3594] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 79.422799][ T3594] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 79.422805][ T3594] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 79.422811][ T3594] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 79.422817][ T3594] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 79.422820][ T3594] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 79.422824][ T3594] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 79.422832][ T3594] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 79.422836][ T3594] ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208) [ 79.422841][ T3594] __sys_sendto (net/socket.c:2281) [ 79.422846][ T3594] ? __ia32_sys_getpeername (net/socket.c:2235) [ 79.422865][ T3594] ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536) [ 79.422873][ T3594] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 79.422876][ T3594] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 79.422879][ T3594] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 79.422881][ T3594] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 79.422884][ T3594] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 79.422886][ T3594] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 79.422888][ T3594] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 79.422891][ T3594] RIP: 0033:0x7eff9627b54e [ 79.422895][ T3594] 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 [ 79.422897][ T3594] RSP: 002b:00007fff4f8c5f00 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 79.422901][ T3594] RAX: ffffffffffffffda RBX: 000055bf18f34980 RCX: 00007eff9627b54e [ 79.422902][ T3594] RDX: 000000000000002c RSI: 000055bf18f10c00 RDI: 0000000000000028 [ 79.422903][ T3594] RBP: 00007fff4f8c5f10 R08: 00007fff4f8c5f60 R09: 0000000000000080 [ 79.422904][ T3594] R10: 0000000000000000 R11: 0000000000000202 R12: 000055bf18f0ea20 [ 79.422905][ T3594] R13: 00007fff4f8c6044 R14: 0000000000000000 R15: 0000000000000000 | [ 82.039965][ T3784] softirqs last disabled at (17846): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 82.039967][ T3784] Preemption disabled at: | [ 82.039968][ T3784] vprintk_emit (kernel/printk/printk.c:2471) | [ 82.039977][ T3784] Tainted: [W]=WARN [ 82.039978][ T3784] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 82.039980][ T3784] Call Trace: [ 82.039982][ T3784] [ 82.039983][ T3784] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 82.039989][ T3784] ? vprintk_emit (kernel/printk/printk.c:2471) [ 82.039991][ T3784] __might_resched.cold (kernel/sched/core.c:9234) [ 82.039995][ T3784] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 82.040000][ T3784] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 82.040004][ T3784] __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)) [ 82.040006][ T3784] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 82.040013][ T3784] ? 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) [ 82.040017][ T3784] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 82.040021][ T3784] put_chars (drivers/char/virtio_console.c:1176) [ 82.040023][ T3784] ? __send_to_port (drivers/char/virtio_console.c:654) [ 82.040024][ T3784] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 82.040028][ T3784] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 82.040034][ T3784] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 82.040042][ T3784] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 82.040045][ T3784] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.040047][ T3784] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 82.040051][ T3784] console_emit_next_record (kernel/printk/printk.c:3183) [ 82.040055][ T3784] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 82.040057][ T3784] ? 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)) [ 82.040061][ T3784] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.040062][ T3784] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 82.040066][ T3784] console_flush_one_record (kernel/printk/printk.c:3268) [ 82.040071][ T3784] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 82.040073][ T3784] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 82.040078][ T3784] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 82.040081][ T3784] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 82.040084][ T3784] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.040085][ T3784] ? 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) [ 82.040089][ T3784] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 82.040091][ T3784] ? vprintk_emit (kernel/printk/printk.c:2478) [ 82.040094][ T3784] vprintk_emit (kernel/printk/printk.c:2479) [ 82.040097][ T3784] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 82.040099][ T3784] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 82.040102][ T3784] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 82.040106][ T3784] _printk (kernel/printk/printk.c:2504) [ 82.040110][ T3784] ? snapshot_read.cold (user.c:?) [ 82.040113][ T3784] ? br_multicast_flood (??:?) [ 82.040117][ T3784] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 82.040118][ T3784] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 82.040119][ T3784] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 82.040124][ T3784] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 82.040130][ T3784] br_init_port (net/bridge/br_stp_if.c:39) [ 82.040132][ T3784] new_nbp (net/bridge/br_if.c:449) [ 82.040141][ T3784] br_add_if (net/bridge/br_if.c:592) [ 82.040144][ T3784] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 82.040148][ T3784] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 82.040153][ T3784] do_set_master (net/core/rtnetlink.c:3071) [ 82.040157][ T3784] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 82.040160][ T3784] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 82.040163][ T3784] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 82.040165][ T3784] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 82.040168][ T3784] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 82.040171][ T3784] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 82.040173][ T3784] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 82.040175][ T3784] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 82.040177][ T3784] ? kasan_save_stack (mm/kasan/common.c:58) [ 82.040180][ T3784] ? kasan_save_stack (mm/kasan/common.c:57) [ 82.040181][ T3784] ? kasan_save_track (mm/kasan/common.c:78) [ 82.040182][ T3784] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 82.040185][ T3784] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 82.040187][ T3784] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 82.040190][ T3784] ? ___sys_sendmsg (net/socket.c:2758) [ 82.040194][ T3784] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 82.040196][ T3784] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 82.040198][ T3784] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.040200][ T3784] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 82.040202][ T3784] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.040203][ T3784] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.040205][ T3784] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 82.040207][ T3784] ? __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) [ 82.040210][ T3784] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 82.040212][ T3784] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 82.040215][ T3784] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 82.040216][ T3784] ? nla_get_range_signed (lib/nlattr.c:270) [ 82.040221][ T3784] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.040224][ T3784] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 82.040229][ T3784] rtnl_newlink (net/core/rtnetlink.c:4215) [ 82.040235][ T3784] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 82.040237][ T3784] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 82.040241][ T3784] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 82.040243][ T3784] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 82.040245][ T3784] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 82.040247][ T3784] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 82.040251][ T3784] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 82.040253][ T3784] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 82.040256][ T3784] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 82.040258][ T3784] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 82.040262][ T3784] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 82.040264][ T3784] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 82.040268][ T3784] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 82.040271][ T3784] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 82.040274][ T3784] ? netlink_ack (./include/linux/skbuff.h:2718) [ 82.040280][ T3784] ? 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)) [ 82.040282][ T3784] ? 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)) [ 82.040287][ T3784] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 82.040291][ T3784] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 82.040294][ T3784] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 82.040298][ T3784] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 82.040302][ T3784] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 82.040306][ T3784] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 82.040308][ T3784] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 82.040313][ T3784] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 82.040316][ T3784] ____sys_sendmsg (net/socket.c:2713) [ 82.040318][ T3784] ? copy_msghdr_from_user (net/socket.c:2650) [ 82.040321][ T3784] ? sock_write_iter (net/socket.c:1269) [ 82.040322][ T3784] ? move_addr_to_kernel (net/socket.c:258) [ 82.040330][ T3784] ___sys_sendmsg (net/socket.c:2767) [ 82.040333][ T3784] ? copy_msghdr_from_user (net/socket.c:2619) [ 82.040349][ T3784] __sys_sendmsg (net/socket.c:2799) [ 82.040352][ T3784] ? __sys_sendmsg_sock (net/socket.c:2780) [ 82.040358][ T3784] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.040361][ T3784] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 82.040364][ T3784] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 82.040367][ T3784] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 82.040370][ T3784] RIP: 0033:0x7f79e7b9d54e [ 82.040374][ T3784] 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 [ 82.040375][ T3784] RSP: 002b:00007fffb4aa9740 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 82.040378][ T3784] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f79e7b9d54e [ 82.040380][ T3784] RDX: 0000000000000000 RSI: 00007fffb4aa97f0 RDI: 0000000000000005 [ 82.040380][ T3784] RBP: 00007fffb4aa9750 R08: 0000000000000000 R09: 0000000000000000 [ 82.040381][ T3784] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912d5a [ 82.040382][ T3784] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffb4aa9ec0 | [ 83.202471][ T12] softirqs last disabled at (228436): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 83.202473][ T12] Preemption disabled at: | [ 83.202474][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 83.202483][ T12] Tainted: [W]=WARN [ 83.202484][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 83.202486][ T12] Workqueue: netns cleanup_net [ 83.202489][ T12] Call Trace: [ 83.202490][ T12] [ 83.202492][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 83.202498][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 83.202500][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 83.202505][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 83.202509][ T12] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 83.202514][ T12] __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)) [ 83.202516][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 83.202523][ T12] ? 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) [ 83.202526][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 83.202530][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 83.202533][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 83.202536][ T12] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 83.202541][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 83.202545][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 83.202551][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 83.202554][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 83.202560][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 83.202565][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 83.202567][ T12] ? 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)) [ 83.202570][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 83.202572][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 83.202577][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 83.202581][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 83.202583][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 83.202589][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 83.202592][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 83.202594][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 83.202596][ T12] ? 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) [ 83.202600][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 83.202602][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 83.202605][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 83.202608][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 83.202610][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 83.202612][ T12] ? __queue_work (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/workqueue.c:808 kernel/workqueue.c:836 kernel/workqueue.c:2364) [ 83.202617][ T12] _printk (kernel/printk/printk.c:2504) [ 83.202621][ T12] ? snapshot_read.cold (user.c:?) [ 83.202624][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 83.202626][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 83.202627][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 83.202629][ T12] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 83.202630][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 83.202634][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 83.202638][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 83.202641][ T12] ? netdev_notice (net/core/dev.c:13194) [ 83.202651][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 83.202655][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 83.202658][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 83.202662][ T12] ? __up_write (kernel/locking/rwsem.c:1415) [ 83.202663][ T12] ? __up_write (kernel/locking/rwsem.c:1422 (discriminator 1)) [ 83.202667][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 83.202671][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 83.202675][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 83.202680][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 83.202681][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 83.202687][ T12] cleanup_net (net/core/net_namespace.c:706) [ 83.202691][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 83.202695][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 83.202697][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 83.202700][ T12] process_one_work (kernel/workqueue.c:3387) [ 83.202708][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 83.202711][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 83.202719][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 83.202727][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 83.202729][ T12] kthread (kernel/kthread.c:436) [ 83.202732][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 83.202735][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 83.202738][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 83.202743][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 83.202746][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 83.202750][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 83.202753][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 85.200968][ T3594] softirqs last disabled at (454392): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 85.200970][ T3594] Preemption disabled at: | [ 85.200971][ T3594] 0x0 | [ 85.200981][ T3594] Tainted: [W]=WARN [ 85.200982][ T3594] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 85.200984][ T3594] Call Trace: [ 85.200985][ T3594] [ 85.200987][ T3594] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 85.200994][ T3594] __might_resched.cold (kernel/sched/core.c:9234) [ 85.200998][ T3594] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 85.201002][ T3594] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 85.201007][ T3594] __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)) [ 85.201009][ T3594] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 85.201015][ T3594] ? 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) [ 85.201018][ T3594] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 85.201022][ T3594] put_chars (drivers/char/virtio_console.c:1176) [ 85.201024][ T3594] ? __send_to_port (drivers/char/virtio_console.c:654) [ 85.201026][ T3594] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 85.201029][ T3594] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 85.201035][ T3594] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 85.201042][ T3594] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 85.201045][ T3594] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 85.201047][ T3594] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 85.201051][ T3594] console_emit_next_record (kernel/printk/printk.c:3183) [ 85.201055][ T3594] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 85.201057][ T3594] ? 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)) [ 85.201061][ T3594] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 85.201063][ T3594] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 85.201067][ T3594] console_flush_one_record (kernel/printk/printk.c:3268) [ 85.201071][ T3594] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 85.201073][ T3594] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 85.201079][ T3594] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 85.201082][ T3594] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 85.201084][ T3594] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 85.201085][ T3594] ? 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) [ 85.201089][ T3594] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 85.201091][ T3594] ? vprintk_emit (kernel/printk/printk.c:2478) [ 85.201094][ T3594] vprintk_emit (kernel/printk/printk.c:2479) [ 85.201097][ T3594] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 85.201100][ T3594] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 85.201104][ T3594] _printk (kernel/printk/printk.c:2504) [ 85.201108][ T3594] ? snapshot_read.cold (user.c:?) [ 85.201110][ T3594] ? 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) [ 85.201113][ T3594] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 85.201117][ T3594] ? 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) [ 85.201120][ T3594] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 85.201124][ T3594] ? exit_notify (kernel/exit.c:780) [ 85.201125][ T3594] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 85.201128][ T3594] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 85.201131][ T3594] do_group_exit (kernel/exit.c:1151) [ 85.201134][ T3594] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 85.201136][ T3594] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 85.201139][ T3594] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 85.201143][ T3594] ? irq_exit_rcu (kernel/softirq.c:786) [ 85.201146][ T3594] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 85.201148][ T3594] RIP: 0033:0x7eff962cc1b8 [ 85.201156][ T3594] Code: Unable to access opcode bytes at 0x7eff962cc18e. Code starting with the faulting instruction =========================================== [ 85.201157][ T3594] RSP: 002b:00007fff4f8c6458 EFLAGS: 00000256 ORIG_RAX: 00000000000000e7 [ 85.201160][ T3594] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007eff962cc1b8 [ 85.201161][ T3594] RDX: 0000000000000000 RSI: fffffffffffffe90 RDI: 0000000000000000 [ 85.201162][ T3594] RBP: 00007fff4f8c65e0 R08: 000055bf18f33e68 R09: 0000000000000000 [ 85.201163][ T3594] R10: 0000000000000000 R11: 0000000000000256 R12: 0000000000000000 [ 85.201164][ T3594] R13: 00007eff95b2a050 R14: 00007eff967fdd9e R15: 000055bf18dc0f20 | [ 88.031584][ T4074] softirqs last disabled at (25234): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 88.031588][ T4074] Preemption disabled at: | [ 88.031589][ T4074] vprintk_emit (kernel/printk/printk.c:2471) | [ 88.031601][ T4074] Tainted: [W]=WARN [ 88.031603][ T4074] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 88.031605][ T4074] Call Trace: [ 88.031607][ T4074] [ 88.031610][ T4074] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 88.031617][ T4074] ? vprintk_emit (kernel/printk/printk.c:2471) [ 88.031620][ T4074] __might_resched.cold (kernel/sched/core.c:9234) [ 88.031626][ T4074] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 88.031632][ T4074] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 88.031640][ T4074] __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)) [ 88.031643][ T4074] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 88.031653][ T4074] ? 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) [ 88.031657][ T4074] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 88.031663][ T4074] put_chars (drivers/char/virtio_console.c:1176) [ 88.031666][ T4074] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 88.031669][ T4074] ? __send_to_port (drivers/char/virtio_console.c:654) [ 88.031675][ T4074] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 88.031679][ T4074] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 88.031683][ T4074] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 88.031690][ T4074] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 88.031696][ T4074] ? mark_usage (kernel/locking/lockdep.c:4690) [ 88.031699][ T4074] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 88.031701][ T4074] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 88.031709][ T4074] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 88.031713][ T4074] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 88.031719][ T4074] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 88.031722][ T4074] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 88.031729][ T4074] console_emit_next_record (kernel/printk/printk.c:3183) [ 88.031736][ T4074] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 88.031739][ T4074] ? 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)) [ 88.031744][ T4074] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 88.031747][ T4074] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 88.031754][ T4074] console_flush_one_record (kernel/printk/printk.c:3268) [ 88.031762][ T4074] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 88.031764][ T4074] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 88.031774][ T4074] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 88.031779][ T4074] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 88.031782][ T4074] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 88.031785][ T4074] ? 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) [ 88.031791][ T4074] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 88.031794][ T4074] ? vprintk_emit (kernel/printk/printk.c:2478) [ 88.031799][ T4074] vprintk_emit (kernel/printk/printk.c:2479) [ 88.031804][ T4074] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 88.031808][ T4074] ? xdp_set_features_flag (./include/linux/netdevice.h:2861 net/core/xdp.c:1015) [ 88.031814][ T4074] ? 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) [ 88.031821][ T4074] _printk (kernel/printk/printk.c:2504) [ 88.031826][ T4074] ? snapshot_read.cold (user.c:?) [ 88.031833][ T4074] ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999) [ 88.031837][ T4074] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 88.031842][ T4074] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 88.031849][ T4074] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 88.031853][ T4074] ? netdev_notice (net/core/dev.c:13194) [ 88.031861][ T4074] ? bond_lower_state_changed (drivers/net/bonding/bond_main.c:1835) bonding [ 88.031877][ T4074] ? netdev_upper_dev_link (net/core/dev.c:9034) [ 88.031886][ T4074] bond_enslave.cold (drivers/net/bonding/bond_main.c:2342 (discriminator 7)) bonding [ 88.031909][ T4074] ? bond_update_slave_arr (drivers/net/bonding/bond_main.c:5219 (discriminator 9)) bonding [ 88.031920][ T4074] ? ip6_route_dev_notify (./include/net/net_namespace.h:422 (discriminator 1) ./include/linux/netdevice.h:2807 (discriminator 1) net/ipv6/route.c:6521 (discriminator 1)) [ 88.031927][ T4074] ? notifier_call_chain (kernel/notifier.c:85) [ 88.031931][ T4074] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 88.031936][ T4074] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 88.031948][ T4074] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 88.031950][ T4074] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 88.031960][ T4074] do_set_master (net/core/rtnetlink.c:3071) [ 88.031967][ T4074] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 88.031973][ T4074] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 88.031978][ T4074] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 88.031980][ T4074] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 88.031983][ T4074] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 88.031988][ T4074] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 88.031992][ T4074] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 88.031994][ T4074] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 88.031998][ T4074] ? kasan_save_stack (mm/kasan/common.c:58) [ 88.032002][ T4074] ? kasan_save_stack (mm/kasan/common.c:57) [ 88.032004][ T4074] ? kasan_save_track (mm/kasan/common.c:78) [ 88.032006][ T4074] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 88.032010][ T4074] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 88.032013][ T4074] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 88.032017][ T4074] ? ___sys_sendmsg (net/socket.c:2758) [ 88.032023][ T4074] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 88.032026][ T4074] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 88.032031][ T4074] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 88.032034][ T4074] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 88.032037][ T4074] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 88.032039][ T4074] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 88.032042][ T4074] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 88.032046][ T4074] ? __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) [ 88.032048][ T4074] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 88.032051][ T4074] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 88.032057][ T4074] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 88.032059][ T4074] ? nla_get_range_signed (lib/nlattr.c:270) [ 88.032067][ T4074] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 88.032071][ T4074] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 88.032080][ T4074] rtnl_newlink (net/core/rtnetlink.c:4215) [ 88.032090][ T4074] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 88.032093][ T4074] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 88.032101][ T4074] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 88.032104][ T4074] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 88.032108][ T4074] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 88.032111][ T4074] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 88.032117][ T4074] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 88.032121][ T4074] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 88.032126][ T4074] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 88.032128][ T4074] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 88.032136][ T4074] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 88.032139][ T4074] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 88.032145][ T4074] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 88.032149][ T4074] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 88.032154][ T4074] ? netlink_ack (./include/linux/skbuff.h:2718) [ 88.032172][ T4074] ? 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)) [ 88.032175][ T4074] ? 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)) [ 88.032184][ T4074] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 88.032190][ T4074] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 88.032195][ T4074] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 88.032202][ T4074] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 88.032209][ T4074] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 88.032215][ T4074] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 88.032218][ T4074] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 88.032226][ T4074] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 88.032231][ T4074] ____sys_sendmsg (net/socket.c:2713) [ 88.032235][ T4074] ? copy_msghdr_from_user (net/socket.c:2650) [ 88.032239][ T4074] ? sock_write_iter (net/socket.c:1269) [ 88.032241][ T4074] ? move_addr_to_kernel (net/socket.c:258) [ 88.032255][ T4074] ___sys_sendmsg (net/socket.c:2767) [ 88.032260][ T4074] ? copy_msghdr_from_user (net/socket.c:2619) [ 88.032290][ T4074] __sys_sendmsg (net/socket.c:2799) [ 88.032295][ T4074] ? __sys_sendmsg_sock (net/socket.c:2780) [ 88.032306][ T4074] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 88.032312][ T4074] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 88.032316][ T4074] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 88.032320][ T4074] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 88.032324][ T4074] RIP: 0033:0x7fc97459d54e [ 88.032330][ T4074] 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 [ 88.032332][ T4074] RSP: 002b:00007ffe11225860 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 88.032337][ T4074] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fc97459d54e [ 88.032339][ T4074] RDX: 0000000000000000 RSI: 00007ffe11225910 RDI: 0000000000000005 [ 88.032341][ T4074] RBP: 00007ffe11225870 R08: 0000000000000000 R09: 0000000000000000 [ 88.032342][ T4074] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912d60 Finger prints: __might_resched:__kmalloc_noprof:put_chars:hvc_console_print:console_emit_next_record br_port_carrier_check:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars netif_change_name:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars netlink_release:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars __dev_queue_xmit:__dev_queue_xmit: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