====================================== | [ 9.449316][ T192] softirqs last disabled at (30276): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 9.449319][ T192] Preemption disabled at: | [ 9.449319][ T192] vprintk_emit (kernel/printk/printk.c:2471) | [ 9.449328][ T192] Tainted: [W]=WARN [ 9.449329][ T192] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.449331][ T192] Call Trace: [ 9.449333][ T192] [ 9.449334][ T192] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.449340][ T192] ? vprintk_emit (kernel/printk/printk.c:2471) [ 9.449342][ T192] __might_resched.cold (kernel/sched/core.c:9234) [ 9.449347][ T192] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.449351][ T192] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.449356][ T192] __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)) [ 9.449358][ T192] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.449364][ T192] ? 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) [ 9.449367][ T192] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.449370][ T192] put_chars (drivers/char/virtio_console.c:1176) [ 9.449373][ T192] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.449379][ T192] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.449386][ T192] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.449388][ T192] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.449393][ T192] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.449396][ T192] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.449398][ T192] ? 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)) [ 9.449401][ T192] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.449405][ T192] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.449409][ T192] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.449413][ T192] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.449415][ T192] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.449420][ T192] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.449422][ T192] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.449424][ T192] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.449426][ T192] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.449430][ T192] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.449431][ T192] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.449435][ T192] vprintk_emit (kernel/printk/printk.c:2479) [ 9.449438][ T192] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.449440][ T192] ? kasan_save_stack (mm/kasan/common.c:58) [ 9.449443][ T192] ? kasan_save_track (mm/kasan/common.c:78) [ 9.449445][ T192] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 9.449447][ T192] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 9.449448][ T192] ? hsr_add_port (./include/linux/slab.h:991 (discriminator 1) ./include/linux/slab.h:1312 (discriminator 1) net/hsr/hsr_slave.c:201 (discriminator 1)) [ 9.449452][ T192] ? hsr_dev_finalize (net/hsr/hsr_device.c:826) [ 9.449454][ T192] ? hsr_newlink (net/hsr/hsr_netlink.c:127) [ 9.449457][ T192] _printk (kernel/printk/printk.c:2504) [ 9.449460][ T192] ? snapshot_read.cold (user.c:?) [ 9.449462][ T192] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.449466][ T192] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 9.449469][ T192] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 9.449473][ T192] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 9.449475][ T192] ? netdev_notice (net/core/dev.c:13194) [ 9.449481][ T192] ? 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) [ 9.449485][ T192] __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3)) [ 9.449489][ T192] netif_set_promiscuity (net/core/dev.c:9699) [ 9.449493][ T192] dev_set_promiscuity (net/core/dev_api.c:288) [ 9.449496][ T192] hsr_add_port (net/hsr/hsr_slave.c:155 net/hsr/hsr_slave.c:213) [ 9.449499][ T192] ? hsr_port_exists (net/hsr/hsr_slave.c:97) [ 9.449502][ T192] ? timer_init_key (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 ./include/linux/lockdep.h:148 kernel/time/timer.c:861 kernel/time/timer.c:881) [ 9.449508][ T192] hsr_dev_finalize (net/hsr/hsr_device.c:826) [ 9.449509][ T192] ? alloc_netdev_mqs (net/core/dev.c:12198 (discriminator 10)) [ 9.449514][ T192] ? alloc_netdev_mqs (net/core/dev.c:12209) [ 9.449516][ T192] hsr_newlink (net/hsr/hsr_netlink.c:127) [ 9.449518][ T192] ? hsr_dellink (net/hsr/hsr_netlink.c:147) [ 9.449521][ T192] ? rtnl_create_link (net/core/rtnetlink.c:3785) [ 9.449523][ T192] ? nla_strscpy (lib/nlattr.c:795) [ 9.449527][ T192] rtnl_newlink_create (net/core/rtnetlink.c:3969) [ 9.449531][ T192] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 9.449533][ T192] ? __dev_get_by_name (net/core/dev.c:905) [ 9.449535][ T192] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 9.449543][ T192] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 9.449549][ T192] rtnl_newlink (net/core/rtnetlink.c:4215) [ 9.449556][ T192] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 9.449558][ T192] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.449565][ T192] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.449568][ T192] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 9.449570][ T192] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 9.449573][ T192] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 9.449575][ T192] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.449579][ T192] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.449581][ T192] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.449584][ T192] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 9.449588][ T192] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 9.449590][ T192] ? netlink_ack (./include/linux/skbuff.h:2718) [ 9.449597][ T192] ? 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)) [ 9.449599][ T192] ? 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)) [ 9.449603][ T192] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 9.449607][ T192] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 9.449610][ T192] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.449614][ T192] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 9.449618][ T192] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 9.449622][ T192] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 9.449627][ T192] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 9.449631][ T192] ? copy_msghdr_from_user (net/socket.c:2650) [ 9.449633][ T192] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 9.449635][ T192] ? move_addr_to_kernel (net/socket.c:258) [ 9.449639][ T192] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 9.449641][ T192] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.449645][ T192] ___sys_sendmsg (net/socket.c:2767) [ 9.449646][ T192] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 9.449649][ T192] ? copy_msghdr_from_user (net/socket.c:2619) [ 9.449652][ T192] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 9.449666][ T192] __sys_sendmsg (net/socket.c:2799) [ 9.449669][ T192] ? __sys_sendmsg_sock (net/socket.c:2780) [ 9.449674][ T192] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.449676][ T192] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.449680][ T192] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.449683][ T192] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.449686][ T192] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.449687][ T192] RIP: 0033:0x7fb219f5c54e [ 9.449691][ T192] 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 [ 9.449693][ T192] RSP: 002b:00007ffcb1875120 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 9.449696][ T192] RAX: ffffffffffffffda RBX: 00007ffcb18758d0 RCX: 00007fb219f5c54e [ 9.449697][ T192] RDX: 0000000000000000 RSI: 00007ffcb18751d0 RDI: 0000000000000005 [ 9.449698][ T192] RBP: 00007ffcb1875130 R08: 0000000000000000 R09: 0000000000000000 [ 9.449699][ T192] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91145d [ 9.449700][ T192] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcb18758a0 | [ 25.606525][ T354] softirqs last disabled at (28819): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 25.606527][ T354] Preemption disabled at: | [ 25.606528][ T354] vprintk_emit (kernel/printk/printk.c:2471) | [ 25.606537][ T354] Tainted: [W]=WARN [ 25.606538][ T354] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 25.606539][ T354] Call Trace: [ 25.606541][ T354] [ 25.606542][ T354] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 25.606547][ T354] ? vprintk_emit (kernel/printk/printk.c:2471) [ 25.606550][ T354] __might_resched.cold (kernel/sched/core.c:9234) [ 25.606556][ T354] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 25.606560][ T354] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 25.606565][ T354] __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)) [ 25.606567][ T354] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 25.606573][ T354] ? 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) [ 25.606575][ T354] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 25.606579][ T354] put_chars (drivers/char/virtio_console.c:1176) [ 25.606582][ T354] ? __send_to_port (drivers/char/virtio_console.c:654) [ 25.606583][ T354] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 25.606588][ T354] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 25.606590][ T354] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 25.606595][ T354] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 25.606598][ T354] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.606602][ T354] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 25.606605][ T354] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.606610][ T354] console_emit_next_record (kernel/printk/printk.c:3183) [ 25.606614][ T354] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 25.606615][ T354] ? 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)) [ 25.606618][ T354] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.606621][ T354] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.606624][ T354] console_flush_one_record (kernel/printk/printk.c:3268) [ 25.606628][ T354] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 25.606630][ T354] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.606635][ T354] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 25.606638][ T354] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 25.606640][ T354] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.606642][ T354] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 25.606645][ T354] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 25.606647][ T354] ? vprintk_emit (kernel/printk/printk.c:2478) [ 25.606650][ T354] vprintk_emit (kernel/printk/printk.c:2479) [ 25.606654][ T354] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 25.606659][ T354] ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q [ 25.606663][ T354] _printk (kernel/printk/printk.c:2504) [ 25.606667][ T354] ? snapshot_read.cold (user.c:?) [ 25.606672][ T354] ? 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) [ 25.606676][ T354] 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 [ 25.606679][ T354] do_one_initcall (init/main.c:1357) [ 25.606682][ T354] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 25.606686][ T354] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 25.606689][ T354] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 25.606693][ T354] do_init_module (kernel/module/main.c:3117) [ 25.606697][ T354] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 25.606701][ T354] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 25.606704][ T354] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 25.606707][ T354] load_module (kernel/module/main.c:3593) [ 25.606714][ T354] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 25.606718][ T354] ? __ia32_sys_fsconfig (??:?) [ 25.606721][ T354] ? add_chain_cache (kernel/locking/lockdep.c:3782) [ 25.606725][ T354] init_module_from_file (kernel/module/main.c:3790) [ 25.606728][ T354] ? __do_sys_init_module (kernel/module/main.c:3664) [ 25.606736][ T354] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 25.606739][ T354] ? 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) [ 25.606742][ T354] idempotent_init_module (kernel/module/main.c:3802) [ 25.606746][ T354] ? init_module_from_file (kernel/module/main.c:3791) [ 25.606752][ T354] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.606754][ T354] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 25.606760][ T354] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 25.606762][ T354] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 25.606766][ T354] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 25.606769][ T354] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 25.606771][ T354] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 25.606773][ T354] RIP: 0033:0x7f9fa524537d [ 25.606776][ T354] 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 [ 25.606778][ T354] RSP: 002b:00007ffd5973bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 25.606780][ T354] RAX: ffffffffffffffda RBX: 000055d74499e810 RCX: 00007f9fa524537d [ 25.606782][ T354] RDX: 0000000000000000 RSI: 000055d7246fbffd RDI: 0000000000000000 [ 25.606783][ T354] RBP: 00007ffd5973bd10 R08: 0000000000000000 R09: 0000000000000000 [ 25.606783][ T354] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d7246fbffd [ 25.606784][ T354] R13: 000055d74499e960 R14: 0000000000040000 R15: 0000000000000000 | [ 41.207240][ T12] softirqs last disabled at (31288): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 41.207242][ T12] Preemption disabled at: | [ 41.207243][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 41.207251][ T12] Tainted: [W]=WARN [ 41.207252][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 41.207254][ T12] Workqueue: netns cleanup_net [ 41.207257][ T12] Call Trace: [ 41.207259][ T12] [ 41.207262][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 41.207267][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 41.207270][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 41.207274][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 41.207278][ 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) [ 41.207283][ 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)) [ 41.207285][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 41.207291][ 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) [ 41.207293][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 41.207297][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 41.207299][ T12] ? check_prev_add (kernel/locking/lockdep.c:3185) [ 41.207301][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 41.207304][ T12] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 41.207309][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 41.207316][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 41.207319][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.207323][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.207327][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 41.207331][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 41.207332][ 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)) [ 41.207335][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.207338][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.207342][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 41.207346][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 41.207348][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.207353][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 41.207356][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 41.207358][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.207360][ T12] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 41.207364][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 41.207366][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 41.207369][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 41.207373][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 41.207375][ T12] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 41.207377][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 41.207380][ T12] ? finish_task_switch.isra.0 (kernel/sched/sched.h:1698 kernel/sched/core.c:5251 kernel/sched/core.c:5369) [ 41.207382][ T12] ? finish_task_switch.isra.0 (kernel/sched/sched.h:1698 kernel/sched/core.c:5251 kernel/sched/core.c:5369) [ 41.207385][ T12] _printk (kernel/printk/printk.c:2504) [ 41.207389][ T12] ? snapshot_read.cold (user.c:?) [ 41.207392][ T12] ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985) [ 41.207395][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 41.207398][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 41.207402][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 41.207404][ T12] ? netdev_notice (net/core/dev.c:13194) [ 41.207408][ T12] ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985) [ 41.207409][ T12] ? netif_set_mtu_ext (net/core/dev.c:9910 (discriminator 2)) [ 41.207411][ T12] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 41.207415][ 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) [ 41.207419][ T12] __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3)) [ 41.207421][ T12] ? sync_rcu_exp_select_cpus (./include/linux/list.h:54 (discriminator 2)) [ 41.207424][ T12] netif_set_promiscuity (net/core/dev.c:9699) [ 41.207429][ T12] dev_set_promiscuity (net/core/dev_api.c:288) [ 41.207431][ T12] hsr_del_port (net/hsr/hsr_slave.c:244) [ 41.207437][ T12] hsr_del_ports (net/hsr/hsr_device.c:498) [ 41.207439][ T12] hsr_dellink (net/hsr/hsr_netlink.c:141) [ 41.207442][ T12] default_device_exit_batch (net/core/dev.c:13280) [ 41.207445][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 41.207448][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 41.207450][ 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) [ 41.207454][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 41.207458][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 41.207460][ T12] ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098) [ 41.207461][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 41.207464][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 41.207469][ T12] cleanup_net (net/core/net_namespace.c:706) [ 41.207472][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 41.207476][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.207478][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.207482][ T12] process_one_work (kernel/workqueue.c:3387) [ 41.207489][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 41.207492][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 41.207499][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 41.207506][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 41.207508][ T12] kthread (kernel/kthread.c:436) [ 41.207511][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 41.207514][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 41.207517][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 41.207521][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 41.207524][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 41.207527][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 41.207530][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 42.623384][ T540] softirqs last disabled at (12308): dev_set_rx_mode (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/netdevice.h:5008 (discriminator 2) net/core/dev_addr_lists.c:1392 (discriminator 2)) | [ 42.623386][ T540] Preemption disabled at: | [ 42.623387][ T540] vprintk_emit (kernel/printk/printk.c:2471) | [ 42.623396][ T540] Tainted: [W]=WARN [ 42.623397][ T540] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 42.623399][ T540] Call Trace: [ 42.623400][ T540] [ 42.623402][ T540] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 42.623407][ T540] ? vprintk_emit (kernel/printk/printk.c:2471) [ 42.623409][ T540] __might_resched.cold (kernel/sched/core.c:9234) [ 42.623414][ T540] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 42.623418][ T540] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 42.623423][ T540] __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)) [ 42.623425][ T540] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 42.623431][ T540] ? 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) [ 42.623434][ T540] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 42.623437][ T540] put_chars (drivers/char/virtio_console.c:1176) [ 42.623440][ T540] ? __send_to_port (drivers/char/virtio_console.c:654) [ 42.623443][ T540] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 42.623448][ T540] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 42.623455][ T540] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 42.623457][ T540] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.623461][ T540] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.623465][ T540] console_emit_next_record (kernel/printk/printk.c:3183) [ 42.623469][ T540] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 42.623471][ T540] ? 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)) [ 42.623474][ T540] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.623476][ T540] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.623480][ T540] console_flush_one_record (kernel/printk/printk.c:3268) [ 42.623484][ T540] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 42.623486][ T540] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 42.623491][ T540] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 42.623494][ T540] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 42.623496][ T540] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.623498][ T540] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 42.623502][ T540] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 42.623504][ T540] ? vprintk_emit (kernel/printk/printk.c:2478) [ 42.623507][ T540] vprintk_emit (kernel/printk/printk.c:2479) [ 42.623511][ T540] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 42.623512][ T540] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 42.623514][ T540] ? mark_usage (kernel/locking/lockdep.c:4690) [ 42.623517][ T540] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 42.623520][ T540] _printk (kernel/printk/printk.c:2504) [ 42.623523][ T540] ? snapshot_read.cold (user.c:?) [ 42.623528][ T540] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 42.623531][ T540] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 42.623534][ T540] netdev_warn (net/core/dev.c:13193 (discriminator 3)) [ 42.623537][ T540] ? netdev_err (net/core/dev.c:13192) [ 42.623539][ T540] ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110) 8021q [ 42.623544][ T540] ? hsr_port_get_hsr (net/hsr/hsr_main.c:137 (discriminator 13)) [ 42.623549][ T540] ? 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)) [ 42.623558][ T540] hsr_dev_open.cold (net/hsr/hsr_device.c:159) [ 42.623561][ T540] __dev_open (net/core/dev.c:1724) [ 42.623565][ T540] ? netif_state_change (./include/net/netdev_lock.h:30 (discriminator 1)) [ 42.623568][ T540] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 42.623572][ T540] __dev_change_flags (net/core/dev.c:9812) [ 42.623575][ T540] ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1)) [ 42.623577][ T540] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 42.623580][ T540] ? __kernel_text_address (kernel/extable.c:79) [ 42.623581][ T540] ? write_profile (profile.c:?) [ 42.623584][ T540] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 42.623588][ T540] netif_change_flags (net/core/dev.c:9877) [ 42.623591][ T540] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 42.623595][ T540] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 42.623597][ T540] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 42.623598][ T540] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 42.623600][ T540] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 42.623604][ T540] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 42.623607][ T540] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 42.623608][ T540] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 42.623611][ T540] ? kasan_save_stack (mm/kasan/common.c:58) [ 42.623614][ T540] ? kasan_save_stack (mm/kasan/common.c:57) [ 42.623615][ T540] ? kasan_save_track (mm/kasan/common.c:78) [ 42.623618][ T540] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 42.623620][ T540] ? __netlink_deliver_tap (./include/linux/skbuff.h:1384 net/netlink/af_netlink.c:174 net/netlink/af_netlink.c:299 net/netlink/af_netlink.c:326) [ 42.623624][ T540] ? ___sys_sendmsg (net/socket.c:2756) [ 42.623628][ T540] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 42.623630][ T540] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 42.623633][ T540] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.623635][ T540] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.623637][ T540] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.623638][ T540] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.623641][ T540] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 42.623644][ T540] ? __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) [ 42.623647][ T540] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 42.623649][ T540] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 42.623653][ T540] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 42.623658][ T540] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 42.623663][ T540] rtnl_newlink (net/core/rtnetlink.c:4215) [ 42.623668][ T540] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 42.623670][ T540] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 42.623674][ T540] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 42.623676][ T540] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 42.623678][ T540] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 42.623680][ T540] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 42.623684][ T540] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 42.623686][ T540] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 42.623689][ T540] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 42.623690][ T540] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 42.623694][ T540] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 42.623696][ T540] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 42.623700][ T540] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 42.623702][ T540] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 42.623705][ T540] ? netlink_ack (./include/linux/skbuff.h:2718) [ 42.623711][ T540] ? 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)) [ 42.623712][ T540] ? 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)) [ 42.623717][ T540] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 42.623721][ T540] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 42.623723][ T540] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 42.623727][ T540] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 42.623731][ T540] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 42.623735][ T540] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 42.623740][ T540] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 42.623743][ T540] ? copy_msghdr_from_user (net/socket.c:2650) [ 42.623745][ T540] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 42.623747][ T540] ? move_addr_to_kernel (net/socket.c:258) [ 42.623754][ T540] ___sys_sendmsg (net/socket.c:2767) [ 42.623756][ T540] ? copy_msghdr_from_user (net/socket.c:2619) [ 42.623771][ T540] __sys_sendmsg (net/socket.c:2799) [ 42.623775][ T540] ? __sys_sendmsg_sock (net/socket.c:2780) [ 42.623781][ T540] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.623784][ T540] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 42.623787][ T540] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 42.623790][ T540] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 42.623792][ T540] RIP: 0033:0x7f4c9e51454e [ 42.623795][ T540] 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 [ 42.623797][ T540] RSP: 002b:00007ffd644dd270 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 42.623799][ T540] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f4c9e51454e [ 42.623801][ T540] RDX: 0000000000000000 RSI: 00007ffd644dd320 RDI: 0000000000000005 [ 42.623802][ T540] RBP: 00007ffd644dd280 R08: 0000000000000000 R09: 0000000000000000 [ 42.623803][ T540] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91147f [ 42.623804][ T540] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd644dd9f0 | [ 74.850103][ T12] softirqs last disabled at (168128): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 74.850106][ T12] Preemption disabled at: | [ 74.850106][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 74.850115][ T12] Tainted: [W]=WARN [ 74.850116][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 74.850118][ T12] Workqueue: netns cleanup_net [ 74.850121][ T12] Call Trace: [ 74.850123][ T12] [ 74.850124][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 74.850130][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 74.850133][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 74.850137][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 74.850141][ 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) [ 74.850146][ 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)) [ 74.850148][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 74.850154][ 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) [ 74.850157][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 74.850160][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 74.850163][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 74.850166][ T12] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 74.850171][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 74.850178][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 74.850180][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 74.850185][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 74.850189][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 74.850193][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 74.850194][ 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)) [ 74.850197][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 74.850200][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 74.850204][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 74.850208][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 74.850210][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 74.850215][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 74.850218][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 74.850219][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 74.850222][ T12] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 74.850225][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 74.850227][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 74.850231][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 74.850234][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 74.850237][ T12] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 74.850239][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 74.850241][ T12] ? finish_task_switch.isra.0 (kernel/sched/sched.h:1698 kernel/sched/core.c:5251 kernel/sched/core.c:5369) [ 74.850243][ T12] ? finish_task_switch.isra.0 (kernel/sched/sched.h:1698 kernel/sched/core.c:5251 kernel/sched/core.c:5369) [ 74.850246][ T12] _printk (kernel/printk/printk.c:2504) [ 74.850250][ T12] ? snapshot_read.cold (user.c:?) [ 74.850253][ T12] ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985) [ 74.850256][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 74.850259][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 74.850262][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 74.850265][ T12] ? netdev_notice (net/core/dev.c:13194) [ 74.850268][ T12] ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985) [ 74.850270][ T12] ? netif_set_mtu_ext (net/core/dev.c:9910 (discriminator 2)) [ 74.850272][ T12] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 74.850275][ 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) [ 74.850279][ T12] __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3)) [ 74.850282][ T12] ? sync_rcu_exp_select_cpus (./include/linux/list.h:54 (discriminator 2)) [ 74.850285][ T12] netif_set_promiscuity (net/core/dev.c:9699) [ 74.850289][ T12] dev_set_promiscuity (net/core/dev_api.c:288) [ 74.850292][ T12] hsr_del_port (net/hsr/hsr_slave.c:244) [ 74.850297][ T12] hsr_del_ports (net/hsr/hsr_device.c:498) [ 74.850300][ T12] hsr_dellink (net/hsr/hsr_netlink.c:141) [ 74.850302][ T12] default_device_exit_batch (net/core/dev.c:13280) [ 74.850306][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 74.850308][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 74.850311][ 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) [ 74.850315][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 74.850318][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 74.850320][ T12] ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098) [ 74.850322][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 74.850325][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 74.850330][ T12] cleanup_net (net/core/net_namespace.c:706) [ 74.850333][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 74.850337][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 74.850338][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 74.850342][ T12] process_one_work (kernel/workqueue.c:3387) [ 74.850349][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 74.850352][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 74.850359][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 74.850366][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 74.850368][ T12] kthread (kernel/kthread.c:436) [ 74.850371][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 74.850373][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 74.850376][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 74.850380][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 74.850383][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 74.850386][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: inet6_fill_ifla6_attrs:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars __alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars dev_set_rx_mode:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars