====================================== | [ 9.734942][ T191] softirqs last disabled at (24194): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 9.734945][ T191] Preemption disabled at: | [ 9.734946][ T191] vprintk_emit (kernel/printk/printk.c:2471) | [ 9.734955][ T191] Tainted: [W]=WARN [ 9.734955][ T191] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.734957][ T191] Call Trace: [ 9.734958][ T191] [ 9.734960][ T191] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.734966][ T191] ? vprintk_emit (kernel/printk/printk.c:2471) [ 9.734968][ T191] __might_resched.cold (kernel/sched/core.c:9234) [ 9.734972][ T191] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.734976][ T191] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.734981][ T191] __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)) [ 9.734984][ T191] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.734990][ T191] ? 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) [ 9.734992][ T191] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.734996][ T191] put_chars (drivers/char/virtio_console.c:1176) [ 9.734998][ T191] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.735005][ T191] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.735012][ T191] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.735015][ T191] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.735019][ T191] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.735022][ T191] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.735024][ T191] ? 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)) [ 9.735027][ T191] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.735031][ T191] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.735035][ T191] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.735039][ T191] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.735041][ T191] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.735046][ T191] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.735049][ T191] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.735051][ T191] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.735053][ T191] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.735057][ T191] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.735058][ T191] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.735062][ T191] vprintk_emit (kernel/printk/printk.c:2479) [ 9.735065][ T191] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.735067][ T191] ? kasan_save_stack (mm/kasan/common.c:58) [ 9.735070][ T191] ? kasan_save_track (mm/kasan/common.c:78) [ 9.735072][ T191] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 9.735074][ T191] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 9.735075][ T191] ? 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)) [ 9.735079][ T191] ? hsr_dev_finalize (net/hsr/hsr_device.c:826) [ 9.735081][ T191] ? hsr_newlink (net/hsr/hsr_netlink.c:127) [ 9.735084][ T191] _printk (kernel/printk/printk.c:2504) [ 9.735087][ T191] ? snapshot_read.cold (user.c:?) [ 9.735089][ T191] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.735093][ T191] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 9.735096][ T191] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 9.735100][ T191] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 9.735102][ T191] ? netdev_notice (net/core/dev.c:13194) [ 9.735109][ T191] ? 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) [ 9.735113][ T191] __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3)) [ 9.735117][ T191] netif_set_promiscuity (net/core/dev.c:9699) [ 9.735121][ T191] dev_set_promiscuity (net/core/dev_api.c:288) [ 9.735124][ T191] hsr_add_port (net/hsr/hsr_slave.c:155 net/hsr/hsr_slave.c:213) [ 9.735127][ T191] ? hsr_port_exists (net/hsr/hsr_slave.c:97) [ 9.735130][ T191] ? 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) [ 9.735135][ T191] hsr_dev_finalize (net/hsr/hsr_device.c:826) [ 9.735137][ T191] ? alloc_netdev_mqs (net/core/dev.c:12198 (discriminator 10)) [ 9.735142][ T191] ? alloc_netdev_mqs (net/core/dev.c:12209) [ 9.735144][ T191] hsr_newlink (net/hsr/hsr_netlink.c:127) [ 9.735147][ T191] ? hsr_dellink (net/hsr/hsr_netlink.c:147) [ 9.735149][ T191] ? rtnl_create_link (net/core/rtnetlink.c:3785) [ 9.735151][ T191] ? nla_strscpy (lib/nlattr.c:795) [ 9.735156][ T191] rtnl_newlink_create (net/core/rtnetlink.c:3969) [ 9.735159][ T191] ? rtnl_create_link (net/core/rtnetlink.c:3756) [ 9.735161][ T191] ? __dev_get_by_name (net/core/dev.c:905) [ 9.735163][ T191] ? rtnl_dev_get (net/core/rtnetlink.c:3538) [ 9.735171][ T191] __rtnl_newlink (net/core/rtnetlink.c:4098) [ 9.735178][ T191] rtnl_newlink (net/core/rtnetlink.c:4215) [ 9.735183][ T191] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 9.735185][ T191] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.735192][ T191] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.735196][ T191] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 9.735198][ T191] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 9.735201][ T191] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 9.735202][ T191] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.735207][ T191] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.735209][ T191] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.735212][ T191] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 9.735216][ T191] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 9.735219][ T191] ? netlink_ack (./include/linux/skbuff.h:2718) [ 9.735225][ T191] ? 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)) [ 9.735227][ T191] ? 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)) [ 9.735232][ T191] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 9.735236][ T191] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 9.735239][ T191] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.735243][ T191] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 9.735247][ T191] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 9.735251][ T191] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 9.735256][ T191] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 9.735260][ T191] ? copy_msghdr_from_user (net/socket.c:2650) [ 9.735262][ T191] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 9.735264][ T191] ? move_addr_to_kernel (net/socket.c:258) [ 9.735269][ T191] ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961) [ 9.735271][ T191] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.735275][ T191] ___sys_sendmsg (net/socket.c:2767) [ 9.735276][ T191] ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700) [ 9.735279][ T191] ? copy_msghdr_from_user (net/socket.c:2619) [ 9.735282][ T191] ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6)) [ 9.735297][ T191] __sys_sendmsg (net/socket.c:2799) [ 9.735300][ T191] ? __sys_sendmsg_sock (net/socket.c:2780) [ 9.735305][ T191] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.735308][ T191] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.735311][ T191] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.735314][ T191] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.735317][ T191] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.735319][ T191] RIP: 0033:0x7f16d6ab354e [ 9.735323][ T191] 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 [ 9.735324][ T191] RSP: 002b:00007ffc88567ea0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 9.735327][ T191] RAX: ffffffffffffffda RBX: 00007ffc88568650 RCX: 00007f16d6ab354e [ 9.735328][ T191] RDX: 0000000000000000 RSI: 00007ffc88567f50 RDI: 0000000000000005 [ 9.735329][ T191] RBP: 00007ffc88567eb0 R08: 0000000000000000 R09: 0000000000000000 [ 9.735330][ T191] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91ba57 [ 9.735331][ T191] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc88568620 | [ 26.009023][ T352] softirqs last disabled at (36051): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 26.009025][ T352] Preemption disabled at: | [ 26.009026][ T352] vprintk_emit (kernel/printk/printk.c:2471) | [ 26.009034][ T352] Tainted: [W]=WARN [ 26.009035][ T352] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 26.009037][ T352] Call Trace: [ 26.009038][ T352] [ 26.009040][ T352] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 26.009045][ T352] ? vprintk_emit (kernel/printk/printk.c:2471) [ 26.009047][ T352] __might_resched.cold (kernel/sched/core.c:9234) [ 26.009052][ T352] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 26.009056][ T352] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 26.009060][ T352] __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)) [ 26.009062][ T352] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 26.009068][ T352] ? 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) [ 26.009071][ T352] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 26.009074][ T352] put_chars (drivers/char/virtio_console.c:1176) [ 26.009077][ T352] ? __send_to_port (drivers/char/virtio_console.c:654) [ 26.009079][ T352] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 26.009084][ T352] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 26.009086][ T352] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 26.009090][ T352] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 26.009094][ T352] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.009098][ T352] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 26.009101][ T352] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.009106][ T352] console_emit_next_record (kernel/printk/printk.c:3183) [ 26.009110][ T352] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 26.009111][ T352] ? 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)) [ 26.009114][ T352] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.009117][ T352] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.009120][ T352] console_flush_one_record (kernel/printk/printk.c:3268) [ 26.009124][ T352] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 26.009126][ T352] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.009131][ T352] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 26.009134][ T352] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 26.009135][ T352] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.009138][ T352] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 26.009141][ T352] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 26.009143][ T352] ? vprintk_emit (kernel/printk/printk.c:2478) [ 26.009146][ T352] vprintk_emit (kernel/printk/printk.c:2479) [ 26.009150][ T352] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 26.009155][ T352] ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q [ 26.009158][ T352] _printk (kernel/printk/printk.c:2504) [ 26.009161][ T352] ? snapshot_read.cold (user.c:?) [ 26.009167][ T352] ? 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) [ 26.009171][ T352] 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 [ 26.009174][ T352] do_one_initcall (init/main.c:1357) [ 26.009176][ T352] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 26.009181][ T352] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 26.009184][ T352] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 26.009188][ T352] do_init_module (kernel/module/main.c:3117) [ 26.009192][ T352] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 26.009195][ T352] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 26.009198][ T352] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 26.009202][ T352] load_module (kernel/module/main.c:3593) [ 26.009209][ T352] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 26.009213][ T352] ? __ia32_sys_fsconfig (??:?) [ 26.009215][ T352] ? add_chain_cache (kernel/locking/lockdep.c:3782) [ 26.009220][ T352] init_module_from_file (kernel/module/main.c:3790) [ 26.009223][ T352] ? __do_sys_init_module (kernel/module/main.c:3664) [ 26.009231][ T352] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 26.009234][ T352] ? 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) [ 26.009237][ T352] idempotent_init_module (kernel/module/main.c:3802) [ 26.009241][ T352] ? init_module_from_file (kernel/module/main.c:3791) [ 26.009247][ T352] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.009249][ T352] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 26.009255][ T352] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 26.009257][ T352] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 26.009261][ T352] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 26.009263][ T352] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 26.009265][ T352] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 26.009267][ T352] RIP: 0033:0x7fb6059eb37d [ 26.009271][ T352] 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 [ 26.009272][ T352] RSP: 002b:00007fff2dba81c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 26.009275][ T352] RAX: ffffffffffffffda RBX: 0000561d8a061810 RCX: 00007fb6059eb37d [ 26.009276][ T352] RDX: 0000000000000000 RSI: 0000561d80757ffd RDI: 0000000000000000 [ 26.009277][ T352] RBP: 00007fff2dba8260 R08: 0000000000000000 R09: 0000000000000000 [ 26.009278][ T352] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561d80757ffd [ 26.009279][ T352] R13: 0000561d8a061960 R14: 0000000000040000 R15: 0000000000000000 | [ 41.747955][ T71] softirqs last disabled at (33768): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 41.747957][ T71] Preemption disabled at: | [ 41.747958][ T71] vprintk_emit (kernel/printk/printk.c:2471) | [ 41.747967][ T71] Tainted: [W]=WARN [ 41.747968][ T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 41.747970][ T71] Workqueue: netns cleanup_net [ 41.747973][ T71] Call Trace: [ 41.747975][ T71] [ 41.747977][ T71] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 41.747983][ T71] ? vprintk_emit (kernel/printk/printk.c:2471) [ 41.747985][ T71] __might_resched.cold (kernel/sched/core.c:9234) [ 41.747990][ T71] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 41.747994][ T71] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 41.747999][ T71] __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)) [ 41.748001][ T71] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 41.748007][ T71] ? 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) [ 41.748010][ T71] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 41.748013][ T71] put_chars (drivers/char/virtio_console.c:1176) [ 41.748015][ T71] ? check_prev_add (kernel/locking/lockdep.c:3185) [ 41.748018][ T71] ? __send_to_port (drivers/char/virtio_console.c:654) [ 41.748021][ T71] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 41.748026][ T71] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 41.748033][ T71] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 41.748035][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.748040][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.748044][ T71] console_emit_next_record (kernel/printk/printk.c:3183) [ 41.748048][ T71] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 41.748050][ T71] ? 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)) [ 41.748053][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.748055][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.748059][ T71] console_flush_one_record (kernel/printk/printk.c:3268) [ 41.748064][ T71] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 41.748065][ T71] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 41.748071][ T71] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 41.748074][ T71] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 41.748075][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.748078][ T71] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 41.748082][ T71] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 41.748083][ T71] ? vprintk_emit (kernel/printk/printk.c:2478) [ 41.748087][ T71] vprintk_emit (kernel/printk/printk.c:2479) [ 41.748090][ T71] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 41.748093][ T71] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 41.748095][ T71] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 41.748098][ T71] ? finish_task_switch.isra.0 (kernel/sched/sched.h:1698 kernel/sched/core.c:5251 kernel/sched/core.c:5369) [ 41.748099][ T71] ? finish_task_switch.isra.0 (kernel/sched/sched.h:1698 kernel/sched/core.c:5251 kernel/sched/core.c:5369) [ 41.748103][ T71] _printk (kernel/printk/printk.c:2504) [ 41.748106][ T71] ? snapshot_read.cold (user.c:?) [ 41.748109][ T71] ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985) [ 41.748112][ T71] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 41.748115][ T71] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 41.748119][ T71] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 41.748122][ T71] ? netdev_notice (net/core/dev.c:13194) [ 41.748125][ T71] ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985) [ 41.748127][ T71] ? netif_set_mtu_ext (net/core/dev.c:9910 (discriminator 2)) [ 41.748129][ T71] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 41.748133][ T71] ? 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) [ 41.748136][ T71] __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3)) [ 41.748139][ T71] ? sync_rcu_exp_select_cpus (./include/linux/list.h:54 (discriminator 2)) [ 41.748142][ T71] netif_set_promiscuity (net/core/dev.c:9699) [ 41.748146][ T71] dev_set_promiscuity (net/core/dev_api.c:288) [ 41.748149][ T71] hsr_del_port (net/hsr/hsr_slave.c:244) [ 41.748154][ T71] hsr_del_ports (net/hsr/hsr_device.c:498) [ 41.748156][ T71] hsr_dellink (net/hsr/hsr_netlink.c:141) [ 41.748159][ T71] default_device_exit_batch (net/core/dev.c:13280) [ 41.748162][ T71] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 41.748165][ T71] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 41.748167][ T71] ? 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) [ 41.748171][ T71] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 41.748175][ T71] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 41.748177][ T71] ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098) [ 41.748179][ T71] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 41.748182][ T71] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 41.748186][ T71] cleanup_net (net/core/net_namespace.c:706) [ 41.748190][ T71] ? net_passive_dec (./include/linux/llist.h:241) [ 41.748193][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.748195][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.748199][ T71] process_one_work (kernel/workqueue.c:3387) [ 41.748206][ T71] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 41.748209][ T71] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 41.748216][ T71] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 41.748220][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 41.748222][ T71] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 41.748226][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 41.748229][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 41.748231][ T71] kthread (kernel/kthread.c:436) [ 41.748233][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 41.748235][ T71] ? kthread_affine_preferred (kernel/kthread.c:857) [ 41.748238][ T71] ret_from_fork (arch/x86/kernel/process.c:158) [ 41.748243][ T71] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 41.748246][ T71] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 41.748249][ T71] ? kthread_affine_preferred (kernel/kthread.c:857) [ 41.748252][ T71] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 43.186198][ T538] softirqs last disabled at (20286): 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)) | [ 43.186201][ T538] Preemption disabled at: | [ 43.186201][ T538] vprintk_emit (kernel/printk/printk.c:2471) | [ 43.186210][ T538] Tainted: [W]=WARN [ 43.186211][ T538] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 43.186213][ T538] Call Trace: [ 43.186214][ T538] [ 43.186216][ T538] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 43.186221][ T538] ? vprintk_emit (kernel/printk/printk.c:2471) [ 43.186224][ T538] __might_resched.cold (kernel/sched/core.c:9234) [ 43.186228][ T538] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 43.186232][ T538] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 43.186237][ T538] __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)) [ 43.186239][ T538] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 43.186245][ T538] ? 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) [ 43.186248][ T538] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 43.186251][ T538] put_chars (drivers/char/virtio_console.c:1176) [ 43.186254][ T538] ? __send_to_port (drivers/char/virtio_console.c:654) [ 43.186257][ T538] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 43.186262][ T538] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 43.186269][ T538] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 43.186271][ T538] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.186275][ T538] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 43.186279][ T538] console_emit_next_record (kernel/printk/printk.c:3183) [ 43.186283][ T538] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 43.186284][ T538] ? 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)) [ 43.186288][ T538] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.186290][ T538] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 43.186294][ T538] console_flush_one_record (kernel/printk/printk.c:3268) [ 43.186298][ T538] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 43.186300][ T538] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 43.186305][ T538] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 43.186308][ T538] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 43.186309][ T538] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.186312][ T538] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 43.186315][ T538] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 43.186317][ T538] ? vprintk_emit (kernel/printk/printk.c:2478) [ 43.186320][ T538] vprintk_emit (kernel/printk/printk.c:2479) [ 43.186324][ T538] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 43.186326][ T538] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 43.186328][ T538] ? mark_usage (kernel/locking/lockdep.c:4690) [ 43.186330][ T538] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 43.186333][ T538] _printk (kernel/printk/printk.c:2504) [ 43.186337][ T538] ? snapshot_read.cold (user.c:?) [ 43.186341][ T538] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 43.186344][ T538] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 43.186348][ T538] netdev_warn (net/core/dev.c:13193 (discriminator 3)) [ 43.186350][ T538] ? netdev_err (net/core/dev.c:13192) [ 43.186353][ T538] ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110) 8021q [ 43.186357][ T538] ? hsr_port_get_hsr (net/hsr/hsr_main.c:137 (discriminator 13)) [ 43.186363][ T538] ? 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)) [ 43.186369][ T538] hsr_dev_open.cold (net/hsr/hsr_device.c:159) [ 43.186372][ T538] __dev_open (net/core/dev.c:1724) [ 43.186376][ T538] ? netif_state_change (./include/net/netdev_lock.h:30 (discriminator 1)) [ 43.186378][ T538] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 43.186382][ T538] __dev_change_flags (net/core/dev.c:9812) [ 43.186385][ T538] ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1)) [ 43.186387][ T538] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 43.186390][ T538] ? __kernel_text_address (kernel/extable.c:79) [ 43.186392][ T538] ? write_profile (profile.c:?) [ 43.186394][ T538] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 43.186398][ T538] netif_change_flags (net/core/dev.c:9877) [ 43.186402][ T538] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 43.186405][ T538] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 43.186407][ T538] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 43.186408][ T538] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 43.186411][ T538] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 43.186414][ T538] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 43.186417][ T538] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 43.186419][ T538] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 43.186421][ T538] ? kasan_save_stack (mm/kasan/common.c:58) [ 43.186424][ T538] ? kasan_save_stack (mm/kasan/common.c:57) [ 43.186426][ T538] ? kasan_save_track (mm/kasan/common.c:78) [ 43.186428][ T538] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 43.186430][ T538] ? __netlink_deliver_tap (net/netlink/af_netlink.c:298 net/netlink/af_netlink.c:326) [ 43.186434][ T538] ? ___sys_sendmsg (net/socket.c:2756) [ 43.186438][ T538] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 43.186440][ T538] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 43.186443][ T538] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.186445][ T538] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 43.186446][ T538] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.186448][ T538] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.186450][ T538] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 43.186454][ T538] ? __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) [ 43.186457][ T538] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 43.186459][ T538] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 43.186462][ T538] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 43.186468][ T538] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 43.186473][ T538] rtnl_newlink (net/core/rtnetlink.c:4215) [ 43.186478][ T538] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 43.186480][ T538] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 43.186484][ T538] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 43.186486][ T538] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 43.186488][ T538] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 43.186490][ T538] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 43.186494][ T538] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 43.186496][ T538] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 43.186499][ T538] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 43.186500][ T538] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 43.186505][ T538] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 43.186507][ T538] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 43.186510][ T538] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 43.186512][ T538] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 43.186515][ T538] ? netlink_ack (./include/linux/skbuff.h:2718) [ 43.186522][ T538] ? 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)) [ 43.186523][ T538] ? 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)) [ 43.186528][ T538] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 43.186532][ T538] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 43.186535][ T538] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 43.186538][ T538] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 43.186542][ T538] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 43.186546][ T538] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 43.186552][ T538] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 43.186554][ T538] ? copy_msghdr_from_user (net/socket.c:2650) [ 43.186556][ T538] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 43.186558][ T538] ? move_addr_to_kernel (net/socket.c:258) [ 43.186565][ T538] ___sys_sendmsg (net/socket.c:2767) [ 43.186568][ T538] ? copy_msghdr_from_user (net/socket.c:2619) [ 43.186584][ T538] __sys_sendmsg (net/socket.c:2799) [ 43.186587][ T538] ? __sys_sendmsg_sock (net/socket.c:2780) [ 43.186593][ T538] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.186596][ T538] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 43.186599][ T538] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 43.186602][ T538] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 43.186604][ T538] RIP: 0033:0x7f80c93a554e [ 43.186607][ T538] 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 [ 43.186609][ T538] RSP: 002b:00007ffdce7ee990 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 43.186612][ T538] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f80c93a554e [ 43.186613][ T538] RDX: 0000000000000000 RSI: 00007ffdce7eea40 RDI: 0000000000000005 [ 43.186614][ T538] RBP: 00007ffdce7ee9a0 R08: 0000000000000000 R09: 0000000000000000 [ 43.186615][ T538] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91ba78 [ 43.186616][ T538] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdce7ef110 | [ 75.548259][ T71] softirqs last disabled at (175038): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 75.548261][ T71] Preemption disabled at: | [ 75.548262][ T71] vprintk_emit (kernel/printk/printk.c:2471) | [ 75.548271][ T71] Tainted: [W]=WARN [ 75.548272][ T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 75.548274][ T71] Workqueue: netns cleanup_net [ 75.548277][ T71] Call Trace: [ 75.548279][ T71] [ 75.548281][ T71] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 75.548286][ T71] ? vprintk_emit (kernel/printk/printk.c:2471) [ 75.548288][ T71] __might_resched.cold (kernel/sched/core.c:9234) [ 75.548293][ T71] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 75.548297][ T71] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 75.548302][ T71] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 75.548304][ T71] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 75.548310][ T71] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 75.548313][ T71] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 75.548317][ T71] put_chars (drivers/char/virtio_console.c:1176) [ 75.548320][ T71] ? __send_to_port (drivers/char/virtio_console.c:654) [ 75.548323][ T71] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 75.548328][ T71] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 75.548336][ T71] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 75.548339][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 75.548343][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 75.548348][ T71] console_emit_next_record (kernel/printk/printk.c:3183) [ 75.548352][ T71] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 75.548353][ T71] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 75.548357][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 75.548359][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 75.548363][ T71] console_flush_one_record (kernel/printk/printk.c:3268) [ 75.548368][ T71] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 75.548370][ T71] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 75.548375][ T71] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 75.548378][ T71] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 75.548379][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 75.548382][ T71] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 75.548385][ T71] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 75.548387][ T71] ? vprintk_emit (kernel/printk/printk.c:2478) [ 75.548390][ T71] vprintk_emit (kernel/printk/printk.c:2479) [ 75.548394][ T71] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 75.548397][ T71] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 75.548399][ T71] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 75.548401][ T71] ? finish_task_switch.isra.0 (kernel/sched/sched.h:1698 kernel/sched/core.c:5251 kernel/sched/core.c:5369) [ 75.548403][ T71] ? finish_task_switch.isra.0 (kernel/sched/sched.h:1698 kernel/sched/core.c:5251 kernel/sched/core.c:5369) [ 75.548406][ T71] _printk (kernel/printk/printk.c:2504) [ 75.548410][ T71] ? snapshot_read.cold (user.c:?) [ 75.548413][ T71] ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985) [ 75.548416][ T71] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 75.548419][ T71] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 75.548423][ T71] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 75.548425][ T71] ? netdev_notice (net/core/dev.c:13194) [ 75.548429][ T71] ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985) [ 75.548430][ T71] ? netif_set_mtu_ext (net/core/dev.c:9910 (discriminator 2)) [ 75.548433][ T71] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 75.548437][ T71] ? 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) [ 75.548441][ T71] __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3)) [ 75.548443][ T71] ? sync_rcu_exp_select_cpus (./include/linux/list.h:54 (discriminator 2)) [ 75.548446][ T71] netif_set_promiscuity (net/core/dev.c:9699) [ 75.548451][ T71] dev_set_promiscuity (net/core/dev_api.c:288) [ 75.548454][ T71] hsr_del_port (net/hsr/hsr_slave.c:244) [ 75.548459][ T71] hsr_del_ports (net/hsr/hsr_device.c:498) [ 75.548462][ T71] hsr_dellink (net/hsr/hsr_netlink.c:141) [ 75.548464][ T71] default_device_exit_batch (net/core/dev.c:13280) [ 75.548468][ T71] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 75.548471][ T71] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 75.548474][ T71] ? 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) [ 75.548477][ T71] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 75.548481][ T71] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 75.548483][ T71] ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098) [ 75.548485][ T71] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 75.548488][ T71] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 75.548493][ T71] cleanup_net (net/core/net_namespace.c:706) [ 75.548496][ T71] ? net_passive_dec (./include/linux/llist.h:241) [ 75.548500][ T71] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 75.548502][ T71] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 75.548507][ T71] process_one_work (kernel/workqueue.c:3387) [ 75.548514][ T71] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 75.548517][ T71] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 75.548525][ T71] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 75.548529][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 75.548531][ T71] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 75.548534][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 75.548537][ T71] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 75.548539][ T71] kthread (kernel/kthread.c:436) [ 75.548541][ T71] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 75.548544][ T71] ? kthread_affine_preferred (kernel/kthread.c:857) [ 75.548547][ T71] ret_from_fork (arch/x86/kernel/process.c:158) [ 75.548551][ T71] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 75.548554][ T71] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 75.548557][ T71] ? 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