[ 2.266063] 8021q: 802.1Q VLAN Support v1.8 [ 2.469776] br0: port 1(veth1) entered blocking state [ 2.469893] br0: port 1(veth1) entered disabled state [ 2.469992] veth1: entered allmulticast mode [ 2.470083] veth1: entered promiscuous mode [ 2.479402] br0: port 2(veth2) entered blocking state [ 2.479463] br0: port 2(veth2) entered disabled state [ 2.479511] veth2: entered allmulticast mode [ 2.479592] veth2: entered promiscuous mode [ 2.497102] br0: port 1(veth1) entered blocking state [ 2.497176] br0: port 1(veth1) entered forwarding state [ 2.506129] br0: port 2(veth2) entered blocking state [ 2.506214] br0: port 2(veth2) entered forwarding state [ 13.960800] tc (338) used greatest stack depth: 11840 bytes left [ 28.127722] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 28.127802] #PF: supervisor write access in kernel mode [ 28.127845] #PF: error_code(0x0002) - not-present page [ 28.127890] PGD 399b067 P4D 399b067 PUD 2fe0067 PMD 0 [ 28.127943] Oops: Oops: 0002 [#1] SMP [ 28.127986] CPU: 0 UID: 0 PID: 395 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 28.128072] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 28.128128] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 28.128194] 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 [ 28.128354] RSP: 0018:ffffb4af403636b8 EFLAGS: 00010046 [ 28.128400] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 28.128470] RDX: ffffb4af403636f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 28.128546] RBP: ffffb4af403636f0 R08: ffff9e2441393673 R09: ffffffffa726cc80 [ 28.128617] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 28.128686] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 28.128759] FS: 00007fa857caf800(0000) GS:ffff9e24d71da000(0000) knlGS:0000000000000000 [ 28.128833] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 28.128891] CR2: 0000000000000000 CR3: 0000000003bee003 CR4: 0000000000772ef0 [ 28.128956] PKRU: 55555554 [ 28.128980] Call Trace: [ 28.129005] [ 28.129032] __cancel_work+0x29/0xe0 [ 28.129069] ? linkwatch_urgent_event+0x2f/0xb0 [ 28.129127] __cancel_work_sync+0x16/0x80 [ 28.129168] __dev_close_many+0x11b/0x280 [ 28.129211] __dev_change_flags+0xed/0x220 [ 28.129249] netif_change_flags+0x25/0x60 [ 28.129283] do_setlink.constprop.0+0x2fe/0x1120 [ 28.129336] ? __nla_validate_parse+0x5d/0xe70 [ 28.129392] ? __kmalloc_cache_noprof+0x3a5/0x4b0 [ 28.129451] rtnl_newlink+0x7fa/0xbc0 [ 28.129497] ? virtio_fs_enqueue_req+0x352/0x570 [ 28.129553] ? netdev_run_todo+0x63/0x550 [ 28.129588] ? rtnl_setlink+0x2c0/0x2c0 [ 28.129621] rtnetlink_rcv_msg+0x358/0x400 [ 28.129662] ? get_page_from_freelist+0x15b4/0x1770 [ 28.129714] ? rtnl_calcit.isra.0+0x110/0x110 [ 28.129765] netlink_rcv_skb+0x57/0x100 [ 28.129813] netlink_unicast+0x252/0x380 [ 28.129850] ? __alloc_skb+0xfc/0x1e0 [ 28.129890] netlink_sendmsg+0x1be/0x3e0 [ 28.129924] ____sys_sendmsg+0x132/0x260 [ 28.129965] ? copy_msghdr_from_user+0x6c/0xa0 [ 28.130015] ___sys_sendmsg+0x87/0xd0 [ 28.130054] ? do_wp_page+0x369/0xe90 [ 28.130094] ? ___pte_offset_map+0x1b/0xd0 [ 28.130136] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 28.130187] ? fsnotify_grab_connector+0x48/0x80 [ 28.130238] ? fsnotify_destroy_marks+0x29/0x150 [ 28.130281] __sys_sendmsg+0x71/0xd0 [ 28.130315] do_syscall_64+0xa4/0xfd0 [ 28.130361] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 28.130416] RIP: 0033:0x7fa857e7d1d7 [ 28.130453] 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 [ 28.130619] RSP: 002b:00007fff16516db8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 28.130691] RAX: ffffffffffffffda RBX: 00007fff165174e0 RCX: 00007fa857e7d1d7 [ 28.130757] RDX: 0000000000000000 RSI: 00007fff16516e20 RDI: 0000000000000005 [ 28.130824] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 28.130894] R10: 00007fa857d79f60 R11: 0000000000000246 R12: 0000000000000003 [ 28.130962] R13: 00000000691cd4ac R14: 0000000000499600 R15: 0000000000000000 [ 28.131030] [ 28.131052] Modules linked in: act_vlan cls_flower sch_ingress bridge stp llc 8021q vrf veth [ 28.131141] CR2: 0000000000000000 [ 28.131174] ---[ end trace 0000000000000000 ]--- [ 28.131216] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 28.131262] 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 [ 28.131425] RSP: 0018:ffffb4af403636b8 EFLAGS: 00010046 [ 28.131469] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 28.131539] RDX: ffffb4af403636f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 28.131609] RBP: ffffb4af403636f0 R08: ffff9e2441393673 R09: ffffffffa726cc80 [ 28.131681] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 28.131747] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 28.131814] FS: 00007fa857caf800(0000) GS:ffff9e24d71da000(0000) knlGS:0000000000000000 [ 28.131888] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 28.131947] CR2: 0000000000000000 CR3: 0000000003bee003 CR4: 0000000000772ef0 [ 28.132014] PKRU: 55555554 [ 28.132035] note: ip[395] exited with irqs disabled [ 28.132208] ip (395) used greatest stack depth: 11592 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr