[ 2.351188] br1: port 1(veth1) entered blocking state [ 2.351302] br1: port 1(veth1) entered disabled state [ 2.351366] veth1: entered allmulticast mode [ 2.351471] veth1: entered promiscuous mode [ 2.362527] br1: port 1(veth1) entered blocking state [ 2.362595] br1: port 1(veth1) entered forwarding state [ 2.372846] br1: port 2(veth2) entered blocking state [ 2.372935] br1: port 2(veth2) entered disabled state [ 2.373005] veth2: entered allmulticast mode [ 2.373100] veth2: entered promiscuous mode [ 2.383806] br1: port 2(veth2) entered blocking state [ 2.383884] br1: port 2(veth2) entered forwarding state [ 7.528855] GACT probability NOT on [ 7.530095] tc (310) used greatest stack depth: 11840 bytes left [ 18.827268] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 18.827362] #PF: supervisor write access in kernel mode [ 18.827409] #PF: error_code(0x0002) - not-present page [ 18.827456] PGD 764f067 P4D 764f067 PUD 7650067 PMD 0 [ 18.827510] Oops: Oops: 0002 [#1] SMP [ 18.827545] CPU: 2 UID: 0 PID: 508 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 18.827634] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 18.827700] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 18.827760] Code: 83 e6 01 41 57 41 56 4c 8d 77 20 41 55 41 54 41 89 f4 55 48 89 d5 53 48 89 fb 9c 58 fa 48 89 45 00 45 85 e4 0f 85 8a 00 00 00 48 0f ba 2b 00 41 0f 92 c5 72 0e 5b 44 89 e8 5d 41 5c 41 5d 41 [ 18.827919] RSP: 0018:ffffa8b6c0a736b8 EFLAGS: 00010046 [ 18.827974] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 18.828041] RDX: ffffa8b6c0a736f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 18.828110] RBP: ffffa8b6c0a736f0 R08: ffff8f3281396473 R09: ffffffff9646cc80 [ 18.828177] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 18.828246] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 18.828316] FS: 00007f8d63fb2800(0000) GS:ffff8f33280da000(0000) knlGS:0000000000000000 [ 18.828393] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 18.828449] CR2: 0000000000000000 CR3: 0000000007644006 CR4: 0000000000772ef0 [ 18.828519] PKRU: 55555554 [ 18.828541] Call Trace: [ 18.828565] [ 18.828590] __cancel_work+0x29/0xe0 [ 18.828630] ? linkwatch_urgent_event+0x2f/0xb0 [ 18.828684] __cancel_work_sync+0x16/0x80 [ 18.828727] __dev_close_many+0x11b/0x280 [ 18.828768] __dev_change_flags+0xed/0x220 [ 18.828810] netif_change_flags+0x25/0x60 [ 18.828852] do_setlink.constprop.0+0x2fe/0x1120 [ 18.828906] ? __nla_validate_parse+0x5d/0xe70 [ 18.828960] ? __kmalloc_cache_noprof+0x3a5/0x4b0 [ 18.829013] rtnl_newlink+0x7fa/0xbc0 [ 18.829048] ? virtio_fs_enqueue_req+0x352/0x570 [ 18.829100] ? netdev_run_todo+0x63/0x550 [ 18.829145] ? rtnl_setlink+0x2c0/0x2c0 [ 18.829179] rtnetlink_rcv_msg+0x358/0x400 [ 18.829222] ? get_page_from_freelist+0x15b4/0x1770 [ 18.829275] ? rtnl_calcit.isra.0+0x110/0x110 [ 18.829320] netlink_rcv_skb+0x57/0x100 [ 18.829356] netlink_unicast+0x252/0x380 [ 18.829397] ? __alloc_skb+0xfc/0x1e0 [ 18.829440] netlink_sendmsg+0x1be/0x3e0 [ 18.829481] ____sys_sendmsg+0x132/0x260 [ 18.829523] ? copy_msghdr_from_user+0x6c/0xa0 [ 18.829577] ___sys_sendmsg+0x87/0xd0 [ 18.829611] ? do_wp_page+0x369/0xe90 [ 18.829653] ? ___pte_offset_map+0x1b/0xd0 [ 18.829695] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 18.829748] ? fsnotify_grab_connector+0x48/0x80 [ 18.829801] ? fsnotify_destroy_marks+0x29/0x150 [ 18.829847] __sys_sendmsg+0x71/0xd0 [ 18.829882] do_syscall_64+0xa4/0xfd0 [ 18.829925] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 18.829977] RIP: 0033:0x7f8d641801d7 [ 18.830019] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 [ 18.830179] RSP: 002b:00007ffd53f1b898 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 18.830247] RAX: ffffffffffffffda RBX: 00007ffd53f1bfc0 RCX: 00007f8d641801d7 [ 18.830316] RDX: 0000000000000000 RSI: 00007ffd53f1b900 RDI: 0000000000000005 [ 18.830384] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 18.830452] R10: 00007f8d6407cf60 R11: 0000000000000246 R12: 0000000000000003 [ 18.830522] R13: 00000000691cd65b R14: 0000000000499600 R15: 0000000000000000 [ 18.830592] [ 18.830614] Modules linked in: act_gact cls_flower sch_ingress bridge stp llc vrf veth [ 18.830701] CR2: 0000000000000000 [ 18.830742] ---[ end trace 0000000000000000 ]--- [ 18.830798] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 18.830851] Code: 83 e6 01 41 57 41 56 4c 8d 77 20 41 55 41 54 41 89 f4 55 48 89 d5 53 48 89 fb 9c 58 fa 48 89 45 00 45 85 e4 0f 85 8a 00 00 00 48 0f ba 2b 00 41 0f 92 c5 72 0e 5b 44 89 e8 5d 41 5c 41 5d 41 [ 18.831013] RSP: 0018:ffffa8b6c0a736b8 EFLAGS: 00010046 [ 18.831057] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 18.831125] RDX: ffffa8b6c0a736f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 18.831196] RBP: ffffa8b6c0a736f0 R08: ffff8f3281396473 R09: ffffffff9646cc80 [ 18.831263] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 18.831329] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 18.831397] FS: 00007f8d63fb2800(0000) GS:ffff8f33280da000(0000) knlGS:0000000000000000 [ 18.831466] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 18.831522] CR2: 0000000000000000 CR3: 0000000007644006 CR4: 0000000000772ef0 [ 18.831592] PKRU: 55555554 [ 18.831614] note: ip[508] exited with irqs disabled [ 18.831873] ip (508) used greatest stack depth: 11592 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr