[ 2.228566] 8021q: 802.1Q VLAN Support v1.8 [ 2.554626] br0: port 1(veth1) entered blocking state [ 2.554692] br0: port 1(veth1) entered disabled state [ 2.554755] veth1: entered allmulticast mode [ 2.554840] veth1: entered promiscuous mode [ 2.555189] ip (318) used greatest stack depth: 12088 bytes left [ 2.565670] br0: port 1(veth1) entered blocking state [ 2.565736] br0: port 1(veth1) entered forwarding state [ 2.585319] br0: port 2(veth2) entered blocking state [ 2.585386] br0: port 2(veth2) entered disabled state [ 2.585454] veth2: entered allmulticast mode [ 2.585548] veth2: entered promiscuous mode [ 2.596447] br0: port 2(veth2) entered blocking state [ 2.596506] br0: port 2(veth2) entered forwarding state [ 34.262858] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 34.262948] #PF: supervisor write access in kernel mode [ 34.262999] #PF: error_code(0x0002) - not-present page [ 34.263037] PGD 70ae067 P4D 70ae067 PUD 71cf067 PMD 0 [ 34.263082] Oops: Oops: 0002 [#1] SMP [ 34.263118] CPU: 2 UID: 0 PID: 2104 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 34.263189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 34.263243] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 34.263302] 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 [ 34.263440] RSP: 0018:ffffb346021736b8 EFLAGS: 00010046 [ 34.263484] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 34.263547] RDX: ffffb346021736f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 34.263610] RBP: ffffb346021736f0 R08: ffff9613c1396473 R09: ffffffff8646cc80 [ 34.263674] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 34.263731] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 34.263796] FS: 00007f71c62b2800(0000) GS:ffff9614780da000(0000) knlGS:0000000000000000 [ 34.263859] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 34.263911] CR2: 0000000000000000 CR3: 00000000071fe004 CR4: 0000000000772ef0 [ 34.263969] PKRU: 55555554 [ 34.263993] Call Trace: [ 34.264014] [ 34.264043] __cancel_work+0x29/0xe0 [ 34.264080] ? linkwatch_urgent_event+0x2f/0xb0 [ 34.264131] __cancel_work_sync+0x16/0x80 [ 34.264166] __dev_close_many+0x11b/0x280 [ 34.264205] __dev_change_flags+0xed/0x220 [ 34.264240] netif_change_flags+0x25/0x60 [ 34.264274] do_setlink.constprop.0+0x2fe/0x1120 [ 34.264322] ? __nla_validate_parse+0x5d/0xe70 [ 34.264369] ? __kmalloc_cache_noprof+0x3a5/0x4b0 [ 34.264424] rtnl_newlink+0x7fa/0xbc0 [ 34.264460] ? virtio_fs_enqueue_req+0x352/0x570 [ 34.264509] ? netdev_run_todo+0x63/0x550 [ 34.264544] ? rtnl_setlink+0x2c0/0x2c0 [ 34.264579] rtnetlink_rcv_msg+0x358/0x400 [ 34.264615] ? get_page_from_freelist+0x15b4/0x1770 [ 34.264659] ? rtnl_calcit.isra.0+0x110/0x110 [ 34.264704] netlink_rcv_skb+0x57/0x100 [ 34.264745] netlink_unicast+0x252/0x380 [ 34.264779] ? __alloc_skb+0xfc/0x1e0 [ 34.264814] netlink_sendmsg+0x1be/0x3e0 [ 34.264850] ____sys_sendmsg+0x132/0x260 [ 34.264884] ? copy_msghdr_from_user+0x6c/0xa0 [ 34.264930] ___sys_sendmsg+0x87/0xd0 [ 34.264965] ? do_wp_page+0x369/0xe90 [ 34.265006] ? ___pte_offset_map+0x1b/0xd0 [ 34.265042] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 34.265086] ? fsnotify_grab_connector+0x48/0x80 [ 34.265134] ? fsnotify_destroy_marks+0x29/0x150 [ 34.265179] __sys_sendmsg+0x71/0xd0 [ 34.265215] do_syscall_64+0xa4/0xfd0 [ 34.265250] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 34.265295] RIP: 0033:0x7f71c64801d7 [ 34.265329] 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 [ 34.265467] RSP: 002b:00007fff63770958 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 34.265531] RAX: ffffffffffffffda RBX: 00007fff63771080 RCX: 00007f71c64801d7 [ 34.265594] RDX: 0000000000000000 RSI: 00007fff637709c0 RDI: 0000000000000005 [ 34.265651] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 34.265714] R10: 00007f71c637cf60 R11: 0000000000000246 R12: 0000000000000003 [ 34.265778] R13: 00000000691ccebd R14: 0000000000499600 R15: 0000000000000000 [ 34.265835] [ 34.265859] Modules linked in: bridge stp llc 8021q vrf veth [ 34.265920] CR2: 0000000000000000 [ 34.265954] ---[ end trace 0000000000000000 ]--- [ 34.265992] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 34.266036] 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 [ 34.266177] RSP: 0018:ffffb346021736b8 EFLAGS: 00010046 [ 34.266223] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 34.266287] RDX: ffffb346021736f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 34.266343] RBP: ffffb346021736f0 R08: ffff9613c1396473 R09: ffffffff8646cc80 [ 34.266400] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 34.266463] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 34.266529] FS: 00007f71c62b2800(0000) GS:ffff9614780da000(0000) knlGS:0000000000000000 [ 34.266592] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 34.266644] CR2: 0000000000000000 CR3: 00000000071fe004 CR4: 0000000000772ef0 [ 34.266702] PKRU: 55555554 [ 34.266727] note: ip[2104] exited with irqs disabled [ 34.266992] ip (2104) used greatest stack depth: 11592 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr