====================================== | [ 9.681153][ T186] softirqs last disabled at (34491): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.681155][ T186] Preemption disabled at: | [ 9.681156][ T186] 0x0 | [ 9.681166][ T186] Tainted: [W]=WARN [ 9.681167][ T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.681168][ T186] Call Trace: [ 9.681170][ T186] [ 9.681172][ T186] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.681178][ T186] __might_resched.cold (kernel/sched/core.c:9234) [ 9.681183][ T186] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.681187][ T186] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.681192][ T186] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 9.681194][ T186] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.681201][ T186] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 9.681203][ T186] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.681206][ T186] put_chars (drivers/char/virtio_console.c:1176) [ 9.681209][ T186] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.681211][ T186] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.681215][ T186] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.681220][ T186] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.681227][ T186] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.681229][ T186] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.681231][ T186] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.681235][ T186] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.681239][ T186] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.681241][ T186] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 9.681244][ T186] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.681246][ T186] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.681250][ T186] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.681254][ T186] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.681256][ T186] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.681261][ T186] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.681264][ T186] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.681265][ T186] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.681268][ T186] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.681271][ T186] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.681273][ T186] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.681276][ T186] vprintk_emit (kernel/printk/printk.c:2479) [ 9.681280][ T186] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.681283][ T186] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.681287][ T186] _printk (kernel/printk/printk.c:2504) [ 9.681291][ T186] ? snapshot_read.cold (user.c:?) [ 9.681294][ T186] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 9.681296][ T186] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.681300][ T186] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 9.681302][ T186] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.681306][ T186] ? exit_notify (kernel/exit.c:780) [ 9.681308][ T186] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.681311][ T186] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.681315][ T186] do_group_exit (kernel/exit.c:1151) [ 9.681317][ T186] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.681319][ T186] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.681321][ T186] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.681325][ T186] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.681328][ T186] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.681331][ T186] RIP: 0033:0x7ff07a50b1b8 [ 9.681333][ T186] Code: Unable to access opcode bytes at 0x7ff07a50b18e. Code starting with the faulting instruction =========================================== [ 9.681334][ T186] RSP: 002b:00007ffdfaaf9058 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.681336][ T186] RAX: ffffffffffffffda RBX: 00007ff07a63bf88 RCX: 00007ff07a50b1b8 [ 9.681338][ T186] RDX: 00007ff07a255fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.681339][ T186] RBP: 00007ffdfaaf90b0 R08: 0000000000000000 R09: 0000000000008010 [ 9.681340][ T186] R10: 00007ffdfaaf8e70 R11: 0000000000000246 R12: 0000000000000001 [ 9.681340][ T186] R13: 0000000000000000 R14: 00007ff07a63a680 R15: 00007ff07a63bfa0 | [ 10.892737][ T238] softirqs last disabled at (18643): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.892739][ T238] Preemption disabled at: | [ 10.892740][ T238] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.892750][ T238] Tainted: [W]=WARN [ 10.892751][ T238] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.892752][ T238] Call Trace: [ 10.892754][ T238] [ 10.892756][ T238] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.892761][ T238] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.892764][ T238] __might_resched.cold (kernel/sched/core.c:9234) [ 10.892768][ T238] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.892773][ T238] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.892778][ T238] __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)) [ 10.892780][ T238] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.892786][ T238] ? 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) [ 10.892789][ T238] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.892792][ T238] put_chars (drivers/char/virtio_console.c:1176) [ 10.892795][ T238] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.892796][ T238] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.892801][ T238] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.892803][ T238] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.892808][ T238] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.892811][ T238] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.892816][ T238] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.892818][ T238] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.892823][ T238] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.892827][ T238] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.892829][ T238] ? 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)) [ 10.892832][ T238] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.892834][ T238] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.892838][ T238] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.892842][ T238] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.892844][ T238] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.892849][ T238] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.892852][ T238] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.892854][ T238] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.892856][ T238] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.892860][ T238] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.892861][ T238] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.892865][ T238] vprintk_emit (kernel/printk/printk.c:2479) [ 10.892869][ T238] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.892874][ T238] ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q [ 10.892878][ T238] _printk (kernel/printk/printk.c:2504) [ 10.892882][ T238] ? snapshot_read.cold (user.c:?) [ 10.892888][ T238] ? 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) [ 10.892891][ T238] vlan_proto_init (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) ./include/net/netns/generic.h:45 (discriminator 2)) 8021q [ 10.892894][ T238] do_one_initcall (init/main.c:1357) [ 10.892897][ T238] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 10.892902][ T238] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 10.892905][ T238] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 10.892910][ T238] do_init_module (kernel/module/main.c:3117) [ 10.892914][ T238] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 10.892918][ T238] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 10.892921][ T238] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 10.892925][ T238] load_module (kernel/module/main.c:3593) [ 10.892933][ T238] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 10.892937][ T238] ? __ia32_sys_fsconfig (??:?) [ 10.892939][ T238] ? ovl_real_file (fs/overlayfs/file.c:195) [ 10.892944][ T238] ? backing_file_read_iter (fs/backing-file.c:211) [ 10.892947][ T238] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.892951][ T238] init_module_from_file (kernel/module/main.c:3790) [ 10.892954][ T238] ? __do_sys_init_module (kernel/module/main.c:3664) [ 10.892962][ T238] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.892965][ T238] ? 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) [ 10.892968][ T238] idempotent_init_module (kernel/module/main.c:3802) [ 10.892972][ T238] ? init_module_from_file (kernel/module/main.c:3791) [ 10.892978][ T238] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.892980][ T238] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 10.892986][ T238] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 10.892988][ T238] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 10.892992][ T238] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.892994][ T238] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.892997][ T238] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.892999][ T238] RIP: 0033:0x7f7b173d337d [ 10.893003][ T238] 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 [ 10.893005][ T238] RSP: 002b:00007ffd1a618408 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 10.893007][ T238] RAX: ffffffffffffffda RBX: 000055b780cf8810 RCX: 00007f7b173d337d [ 10.893009][ T238] RDX: 0000000000000000 RSI: 000055b766d22ffd RDI: 0000000000000000 [ 10.893010][ T238] RBP: 00007ffd1a6184a0 R08: 0000000000000000 R09: 0000000000000000 [ 10.893010][ T238] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b766d22ffd [ 10.893011][ T238] R13: 000055b780cf8960 R14: 0000000000040000 R15: 0000000000000000 | [ 12.264595][ T284] softirqs last disabled at (22129): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 12.264597][ T284] Preemption disabled at: | [ 12.264598][ T284] 0x0 | [ 12.264608][ T284] Tainted: [W]=WARN [ 12.264608][ T284] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.264610][ T284] Call Trace: [ 12.264612][ T284] [ 12.264613][ T284] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.264620][ T284] __might_resched.cold (kernel/sched/core.c:9234) [ 12.264624][ T284] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.264628][ T284] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.264633][ T284] __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)) [ 12.264636][ T284] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.264641][ T284] ? 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) [ 12.264644][ T284] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.264647][ T284] put_chars (drivers/char/virtio_console.c:1176) [ 12.264651][ T284] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.264653][ T284] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.264659][ T284] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.264667][ T284] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.264674][ T284] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.264676][ T284] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.264679][ T284] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.264683][ T284] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.264686][ T284] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.264688][ T284] ? 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)) [ 12.264691][ T284] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.264693][ T284] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.264697][ T284] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.264701][ T284] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.264703][ T284] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.264708][ T284] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.264715][ T284] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.264717][ T284] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.264719][ T284] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.264723][ T284] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.264725][ T284] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.264728][ T284] vprintk_emit (kernel/printk/printk.c:2479) [ 12.264731][ T284] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.264735][ T284] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.264738][ T284] _printk (kernel/printk/printk.c:2504) [ 12.264742][ T284] ? snapshot_read.cold (user.c:?) [ 12.264745][ T284] ? 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) [ 12.264747][ T284] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.264751][ T284] ? 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) [ 12.264753][ T284] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 12.264757][ T284] ? exit_notify (kernel/exit.c:780) [ 12.264759][ T284] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.264762][ T284] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.264766][ T284] do_group_exit (kernel/exit.c:1151) [ 12.264768][ T284] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 12.264770][ T284] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 12.264772][ T284] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.264775][ T284] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.264778][ T284] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.264781][ T284] RIP: 0033:0x7fd28a7671b8 [ 12.264783][ T284] Code: Unable to access opcode bytes at 0x7fd28a76718e. Code starting with the faulting instruction =========================================== [ 12.264784][ T284] RSP: 002b:00007fffdb851e78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 12.264786][ T284] RAX: ffffffffffffffda RBX: 00007fd28a897f88 RCX: 00007fd28a7671b8 [ 12.264788][ T284] RDX: 00007fd28a4b1fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 12.264789][ T284] RBP: 00007fffdb851ed0 R08: 0000000000000000 R09: 0000000000000050 [ 12.264789][ T284] R10: 00007fffdb851c90 R11: 0000000000000246 R12: 0000000000000001 [ 12.264790][ T284] R13: 0000000000000000 R14: 00007fd28a896680 R15: 00007fd28a897fa0 | [ 13.822200][ T339] softirqs last disabled at (17929): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 13.822202][ T339] Preemption disabled at: | [ 13.822203][ T339] vprintk_emit (kernel/printk/printk.c:2471) | [ 13.822212][ T339] Tainted: [W]=WARN [ 13.822213][ T339] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.822214][ T339] Call Trace: [ 13.822216][ T339] [ 13.822217][ T339] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.822223][ T339] ? vprintk_emit (kernel/printk/printk.c:2471) [ 13.822225][ T339] __might_resched.cold (kernel/sched/core.c:9234) [ 13.822229][ T339] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.822233][ T339] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 13.822239][ T339] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 13.822241][ T339] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.822246][ T339] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 13.822249][ T339] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.822252][ T339] put_chars (drivers/char/virtio_console.c:1176) [ 13.822254][ T339] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 13.822256][ T339] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.822259][ T339] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 13.822263][ T339] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 13.822265][ T339] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 13.822268][ T339] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.822271][ T339] ? mark_usage (kernel/locking/lockdep.c:4690) [ 13.822273][ T339] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.822275][ T339] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.822279][ T339] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.822280][ T339] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 13.822284][ T339] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.822286][ T339] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.822290][ T339] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.822294][ T339] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.822295][ T339] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 13.822298][ T339] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.822301][ T339] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.822304][ T339] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.822308][ T339] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.822310][ T339] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.822315][ T339] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.822318][ T339] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.822319][ T339] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.822322][ T339] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 13.822325][ T339] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.822327][ T339] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.822330][ T339] vprintk_emit (kernel/printk/printk.c:2479) [ 13.822334][ T339] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.822337][ T339] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.822339][ T339] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 13.822343][ T339] _printk (kernel/printk/printk.c:2504) [ 13.822346][ T339] ? snapshot_read.cold (user.c:?) [ 13.822350][ T339] ? br_multicast_flood (??:?) bridge [ 13.822362][ T339] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 13.822364][ T339] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 13.822365][ T339] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 13.822369][ T339] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 13.822379][ T339] br_init_port (net/bridge/br_stp_if.c:39) bridge [ 13.822387][ T339] new_nbp (net/bridge/br_if.c:449) bridge [ 13.822396][ T339] br_add_if (net/bridge/br_if.c:592) bridge [ 13.822402][ T339] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 13.822407][ T339] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 13.822409][ T339] ? __kernel_text_address (kernel/extable.c:79) [ 13.822413][ T339] do_set_master (net/core/rtnetlink.c:3071) [ 13.822418][ T339] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 13.822421][ T339] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 13.822424][ T339] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 13.822425][ T339] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 13.822427][ T339] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 13.822430][ T339] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 13.822433][ T339] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 13.822434][ T339] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 13.822437][ T339] ? kasan_save_stack (mm/kasan/common.c:58) [ 13.822440][ T339] ? kasan_save_stack (mm/kasan/common.c:57) [ 13.822441][ T339] ? kasan_save_track (mm/kasan/common.c:78) [ 13.822444][ T339] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.822446][ T339] ? netlink_seq_next (net/netlink/af_netlink.c:2684) [ 13.822449][ T339] ? ___sys_sendmsg (net/socket.c:2757) [ 13.822453][ T339] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.822455][ T339] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 13.822458][ T339] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.822460][ T339] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.822461][ T339] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.822463][ T339] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.822465][ T339] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 13.822469][ T339] ? __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) [ 13.822472][ T339] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 13.822474][ T339] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 13.822477][ T339] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 13.822479][ T339] ? nla_get_range_signed (lib/nlattr.c:270) [ 13.822484][ T339] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 13.822489][ T339] rtnl_newlink (net/core/rtnetlink.c:4215) [ 13.822494][ T339] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 13.822496][ T339] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.822500][ T339] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.822502][ T339] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 13.822504][ T339] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 13.822505][ T339] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.822509][ T339] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 13.822511][ T339] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 13.822514][ T339] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 13.822515][ T339] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.822519][ T339] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.822521][ T339] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 13.822524][ T339] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 13.822526][ T339] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 13.822529][ T339] ? netlink_ack (./include/linux/skbuff.h:2718) [ 13.822535][ T339] ? 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)) [ 13.822536][ T339] ? 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)) [ 13.822540][ T339] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 13.822544][ T339] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 13.822546][ T339] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.822550][ T339] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 13.822554][ T339] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 13.822558][ T339] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 13.822563][ T339] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 13.822565][ T339] ? copy_msghdr_from_user (net/socket.c:2650) [ 13.822567][ T339] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 13.822569][ T339] ? move_addr_to_kernel (net/socket.c:258) [ 13.822576][ T339] ___sys_sendmsg (net/socket.c:2767) [ 13.822578][ T339] ? copy_msghdr_from_user (net/socket.c:2619) [ 13.822593][ T339] __sys_sendmsg (net/socket.c:2799) [ 13.822596][ T339] ? __sys_sendmsg_sock (net/socket.c:2780) [ 13.822602][ T339] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.822606][ T339] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 13.822608][ T339] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 13.822611][ T339] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 13.822613][ T339] RIP: 0033:0x7feaffbb454e [ 13.822617][ T339] 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 [ 13.822618][ T339] RSP: 002b:00007fffb87bc860 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 13.822621][ T339] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007feaffbb454e [ 13.822623][ T339] RDX: 0000000000000000 RSI: 00007fffb87bc910 RDI: 0000000000000005 [ 13.822624][ T339] RBP: 00007fffb87bc870 R08: 0000000000000000 R09: 0000000000000000 [ 13.822624][ T339] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91ada0 [ 13.822625][ T339] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffb87bcfd0 | [ 15.089888][ T385] softirqs last disabled at (14056): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 15.089891][ T385] Preemption disabled at: | [ 15.089892][ T385] vprintk_emit (kernel/printk/printk.c:2471) | [ 15.089901][ T385] Tainted: [W]=WARN [ 15.089902][ T385] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.089904][ T385] Call Trace: [ 15.089906][ T385] [ 15.089907][ T385] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.089913][ T385] ? vprintk_emit (kernel/printk/printk.c:2471) [ 15.089915][ T385] __might_resched.cold (kernel/sched/core.c:9234) [ 15.089920][ T385] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 15.089924][ T385] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 15.089929][ T385] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 15.089932][ T385] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.089937][ T385] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 15.089940][ T385] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.089943][ T385] put_chars (drivers/char/virtio_console.c:1176) [ 15.089945][ T385] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 15.089948][ T385] ? __send_to_port (drivers/char/virtio_console.c:654) [ 15.089951][ T385] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.089955][ T385] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.089957][ T385] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.089961][ T385] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 15.089964][ T385] ? mark_usage (kernel/locking/lockdep.c:4690) [ 15.089966][ T385] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.089967][ T385] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.089971][ T385] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 15.089973][ T385] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 15.089977][ T385] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.089979][ T385] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.089983][ T385] console_emit_next_record (kernel/printk/printk.c:3183) [ 15.089987][ T385] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.089989][ T385] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 15.089992][ T385] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.089995][ T385] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.089999][ T385] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.090003][ T385] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.090005][ T385] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.090010][ T385] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.090013][ T385] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.090015][ T385] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.090017][ T385] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 15.090021][ T385] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.090022][ T385] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.090026][ T385] vprintk_emit (kernel/printk/printk.c:2479) [ 15.090030][ T385] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.090033][ T385] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.090035][ T385] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 15.090039][ T385] _printk (kernel/printk/printk.c:2504) [ 15.090043][ T385] ? snapshot_read.cold (user.c:?) [ 15.090047][ T385] ? br_multicast_flood (??:?) bridge [ 15.090060][ T385] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 15.090061][ T385] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 15.090062][ T385] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 15.090067][ T385] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 15.090077][ T385] br_init_port (net/bridge/br_stp_if.c:39) bridge [ 15.090086][ T385] new_nbp (net/bridge/br_if.c:449) bridge [ 15.090096][ T385] br_add_if (net/bridge/br_if.c:592) bridge [ 15.090103][ T385] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 15.090107][ T385] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 15.090110][ T385] ? __kernel_text_address (kernel/extable.c:79) [ 15.090114][ T385] do_set_master (net/core/rtnetlink.c:3071) [ 15.090121][ T385] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 15.090124][ T385] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 15.090129][ T385] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 15.090131][ T385] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 15.090134][ T385] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 15.090138][ T385] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.090141][ T385] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.090143][ T385] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.090146][ T385] ? kasan_save_stack (mm/kasan/common.c:58) [ 15.090149][ T385] ? kasan_save_stack (mm/kasan/common.c:57) [ 15.090151][ T385] ? kasan_save_track (mm/kasan/common.c:78) [ 15.090154][ T385] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.090156][ T385] ? netlink_seq_next (net/netlink/af_netlink.c:2684) [ 15.090159][ T385] ? ___sys_sendmsg (net/socket.c:2757) [ 15.090164][ T385] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.090166][ T385] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 15.090169][ T385] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.090171][ T385] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.090173][ T385] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.090175][ T385] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.090177][ T385] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 15.090181][ T385] ? __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) [ 15.090184][ T385] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 15.090186][ T385] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 15.090189][ T385] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 15.090191][ T385] ? nla_get_range_signed (lib/nlattr.c:270) [ 15.090196][ T385] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 15.090201][ T385] rtnl_newlink (net/core/rtnetlink.c:4215) [ 15.090206][ T385] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 15.090208][ T385] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.090213][ T385] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.090215][ T385] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.090217][ T385] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 15.090219][ T385] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.090222][ T385] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 15.090224][ T385] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 15.090227][ T385] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 15.090229][ T385] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.090233][ T385] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.090235][ T385] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.090238][ T385] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 15.090240][ T385] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 15.090243][ T385] ? netlink_ack (./include/linux/skbuff.h:2718) [ 15.090249][ T385] ? 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)) [ 15.090251][ T385] ? 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)) [ 15.090255][ T385] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 15.090259][ T385] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 15.090261][ T385] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.090265][ T385] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 15.090269][ T385] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 15.090273][ T385] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 15.090278][ T385] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 15.090280][ T385] ? copy_msghdr_from_user (net/socket.c:2650) [ 15.090283][ T385] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 15.090284][ T385] ? move_addr_to_kernel (net/socket.c:258) [ 15.090292][ T385] ___sys_sendmsg (net/socket.c:2767) [ 15.090295][ T385] ? copy_msghdr_from_user (net/socket.c:2619) [ 15.090310][ T385] __sys_sendmsg (net/socket.c:2799) [ 15.090313][ T385] ? __sys_sendmsg_sock (net/socket.c:2780) [ 15.090319][ T385] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.090323][ T385] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 15.090325][ T385] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 15.090328][ T385] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 15.090331][ T385] RIP: 0033:0x7f87810f454e [ 15.090334][ T385] 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 [ 15.090336][ T385] RSP: 002b:00007ffe28f362a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 15.090339][ T385] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f87810f454e [ 15.090340][ T385] RDX: 0000000000000000 RSI: 00007ffe28f36350 RDI: 0000000000000005 [ 15.090341][ T385] RBP: 00007ffe28f362b0 R08: 0000000000000000 R09: 0000000000000000 [ 15.090342][ T385] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91ada1 [ 15.090343][ T385] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe28f36a10 | [ 25.127396][ T12] softirqs last disabled at (33448): vxlan_flush (./include/linux/spinlock.h:353 drivers/net/vxlan/vxlan_core.c:3094) vxlan | [ 25.127400][ T12] Preemption disabled at: | [ 25.127401][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 25.127411][ T12] Tainted: [W]=WARN [ 25.127412][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 25.127413][ T12] Workqueue: netns cleanup_net [ 25.127417][ T12] Call Trace: [ 25.127418][ T12] [ 25.127420][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 25.127426][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 25.127428][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 25.127433][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 25.127437][ 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) [ 25.127443][ 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)) [ 25.127445][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 25.127451][ 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) [ 25.127454][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 25.127457][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 25.127460][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 25.127463][ T12] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 25.127468][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 25.127471][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.127472][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.127477][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 25.127478][ T12] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 25.127482][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.127486][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.127490][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 25.127494][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 25.127496][ 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)) [ 25.127499][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.127502][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.127506][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 25.127510][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 25.127512][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.127517][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 25.127520][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 25.127522][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.127524][ T12] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 25.127528][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 25.127530][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 25.127534][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 25.127537][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 25.127539][ T12] ? process_one_work (kernel/workqueue.c:3387) [ 25.127541][ T12] ? kthread (kernel/kthread.c:436) [ 25.127544][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 25.127546][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 25.127551][ T12] _printk (kernel/printk/printk.c:2504) [ 25.127555][ T12] ? snapshot_read.cold (user.c:?) [ 25.127559][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 25.127563][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 25.127566][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 25.127569][ T12] ? netdev_notice (net/core/dev.c:13194) [ 25.127573][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.127575][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 25.127578][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 25.127580][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.127582][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 25.127586][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 25.127590][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 25.127594][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge [ 25.127609][ T12] br_dev_delete (net/bridge/br_if.c:387) bridge [ 25.127618][ T12] br_net_exit_rtnl (net/bridge/br.c:414) bridge [ 25.127626][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 25.127630][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 25.127634][ T12] ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098) [ 25.127636][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.127639][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 25.127644][ T12] cleanup_net (net/core/net_namespace.c:706) [ 25.127648][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 25.127651][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.127653][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.127657][ T12] process_one_work (kernel/workqueue.c:3387) [ 25.127664][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 25.127667][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 25.127675][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 25.127682][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 25.127684][ T12] kthread (kernel/kthread.c:436) [ 25.127686][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 25.127689][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 25.127691][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 25.127694][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 25.127697][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 25.127701][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 25.127703][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 26.129054][ T523] softirqs last disabled at (13050): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) bridge | [ 26.129061][ T523] Preemption disabled at: | [ 26.129062][ T523] 0x0 | [ 26.129072][ T523] Tainted: [W]=WARN [ 26.129073][ T523] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 26.129075][ T523] Call Trace: [ 26.129076][ T523] [ 26.129078][ T523] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 26.129084][ T523] __might_resched.cold (kernel/sched/core.c:9234) [ 26.129089][ T523] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 26.129093][ T523] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 26.129098][ T523] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 26.129100][ T523] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 26.129106][ T523] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 26.129109][ T523] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 26.129112][ T523] put_chars (drivers/char/virtio_console.c:1176) [ 26.129117][ T523] ? __send_to_port (drivers/char/virtio_console.c:654) [ 26.129120][ T523] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 26.129124][ T523] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 26.129128][ T523] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 26.129134][ T523] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 26.129137][ T523] ? mark_usage (kernel/locking/lockdep.c:4690) [ 26.129139][ T523] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.129140][ T523] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.129144][ T523] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 26.129146][ T523] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 26.129150][ T523] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.129154][ T523] console_emit_next_record (kernel/printk/printk.c:3183) [ 26.129158][ T523] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 26.129159][ T523] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 26.129162][ T523] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.129165][ T523] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.129169][ T523] console_flush_one_record (kernel/printk/printk.c:3268) [ 26.129173][ T523] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 26.129175][ T523] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.129180][ T523] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 26.129183][ T523] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 26.129184][ T523] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.129187][ T523] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 26.129190][ T523] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 26.129192][ T523] ? vprintk_emit (kernel/printk/printk.c:2478) [ 26.129195][ T523] vprintk_emit (kernel/printk/printk.c:2479) [ 26.129199][ T523] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 26.129201][ T523] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 26.129204][ T523] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 26.129206][ T523] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 26.129210][ T523] _printk (kernel/printk/printk.c:2504) [ 26.129214][ T523] ? snapshot_read.cold (user.c:?) [ 26.129221][ T523] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 26.129232][ T523] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge [ 26.129242][ T523] br_device_event (net/bridge/br.c:111) bridge [ 26.129249][ T523] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 26.129253][ T523] ? _sub_I_65535_1+0x4d0/0x4d0 stp [ 26.129260][ T523] notifier_call_chain (kernel/notifier.c:85) [ 26.129265][ T523] __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855) [ 26.129270][ T523] ? netif_change_name (net/core/dev.c:1517) [ 26.129273][ T523] ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1)) [ 26.129276][ T523] ? __kernel_text_address (kernel/extable.c:79) [ 26.129279][ T523] ? write_profile (profile.c:?) [ 26.129281][ T523] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 26.129285][ T523] netif_change_flags (net/core/dev.c:9882) [ 26.129289][ T523] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 26.129293][ T523] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 26.129295][ T523] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 26.129296][ T523] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 26.129298][ T523] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 26.129302][ T523] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 26.129304][ T523] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 26.129306][ T523] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 26.129308][ T523] ? kasan_save_stack (mm/kasan/common.c:58) [ 26.129311][ T523] ? kasan_save_stack (mm/kasan/common.c:57) [ 26.129313][ T523] ? kasan_save_track (mm/kasan/common.c:78) [ 26.129316][ T523] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.129318][ T523] ? netlink_seq_next (net/netlink/af_netlink.c:2684) [ 26.129321][ T523] ? ___sys_sendmsg (net/socket.c:2757) [ 26.129326][ T523] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 26.129327][ T523] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 26.129330][ T523] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.129332][ T523] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.129334][ T523] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.129336][ T523] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.129338][ T523] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 26.129342][ T523] ? __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) [ 26.129344][ T523] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 26.129346][ T523] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 26.129349][ T523] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 26.129354][ T523] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 26.129359][ T523] rtnl_newlink (net/core/rtnetlink.c:4215) [ 26.129365][ T523] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 26.129367][ T523] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.129371][ T523] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 26.129373][ T523] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 26.129375][ T523] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 26.129377][ T523] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 26.129381][ T523] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 26.129383][ T523] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 26.129386][ T523] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 26.129387][ T523] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.129391][ T523] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 26.129393][ T523] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 26.129396][ T523] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 26.129398][ T523] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 26.129401][ T523] ? netlink_ack (./include/linux/skbuff.h:2718) [ 26.129407][ T523] ? 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)) [ 26.129409][ T523] ? 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)) [ 26.129413][ T523] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 26.129417][ T523] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 26.129419][ T523] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.129423][ T523] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 26.129427][ T523] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 26.129431][ T523] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 26.129436][ T523] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 26.129439][ T523] ? copy_msghdr_from_user (net/socket.c:2650) [ 26.129441][ T523] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 26.129442][ T523] ? move_addr_to_kernel (net/socket.c:258) [ 26.129450][ T523] ___sys_sendmsg (net/socket.c:2767) [ 26.129453][ T523] ? copy_msghdr_from_user (net/socket.c:2619) [ 26.129468][ T523] __sys_sendmsg (net/socket.c:2799) [ 26.129471][ T523] ? __sys_sendmsg_sock (net/socket.c:2780) [ 26.129477][ T523] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.129481][ T523] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 26.129483][ T523] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 26.129486][ T523] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 26.129489][ T523] RIP: 0033:0x7f277fd6154e [ 26.129491][ T523] 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 [ 26.129493][ T523] RSP: 002b:00007ffdb021b770 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 26.129495][ T523] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f277fd6154e [ 26.129497][ T523] RDX: 0000000000000000 RSI: 00007ffdb021b820 RDI: 0000000000000005 [ 26.129498][ T523] RBP: 00007ffdb021b780 R08: 0000000000000000 R09: 0000000000000000 [ 26.129498][ T523] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91adac Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print vxlan_flush:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars br_device_event:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars