[ 1.836994] ip (249) used greatest stack depth: 12520 bytes left [ 1.875966] ip (257) used greatest stack depth: 12344 bytes left [ 2.057127] 8021q: 802.1Q VLAN Support v1.8 [ 2.208588] br0: port 1(veth1) entered blocking state [ 2.208698] br0: port 1(veth1) entered disabled state [ 2.208766] veth1: entered allmulticast mode [ 2.208881] veth1: entered promiscuous mode [ 2.218227] br0: port 2(veth2) entered blocking state [ 2.218308] br0: port 2(veth2) entered disabled state [ 2.218414] veth2: entered allmulticast mode [ 2.218491] veth2: entered promiscuous mode [ 2.236727] br0: port 1(veth1) entered blocking state [ 2.236795] br0: port 1(veth1) entered forwarding state [ 2.245661] br0: port 2(veth2) entered blocking state [ 2.245756] br0: port 2(veth2) entered forwarding state [ 27.649098] GACT probability NOT on [ 49.902535] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 49.902606] #PF: supervisor write access in kernel mode [ 49.902646] #PF: error_code(0x0002) - not-present page [ 49.902676] PGD 33e7067 P4D 33e7067 PUD 2f54067 PMD 0 [ 49.902716] Oops: Oops: 0002 [#1] SMP [ 49.902756] CPU: 2 UID: 0 PID: 584 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 49.902816] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 49.902860] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 49.902916] 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 [ 49.903108] RSP: 0018:ffffa41a40aff630 EFLAGS: 00010046 [ 49.903145] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000c00 [ 49.903232] RDX: ffffa41a40aff668 RSI: 0000000000000000 RDI: 0000000000000000 [ 49.903283] RBP: ffffa41a40aff668 R08: ffff8b0181396473 R09: 0000000000000002 [ 49.903334] R10: ffff8b01bed28640 R11: ffff8b0181395c90 R12: 0000000000000000 [ 49.903411] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 49.903459] FS: 00007efe8e0f6800(0000) GS:ffff8b02146da000(0000) knlGS:0000000000000000 [ 49.903509] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.903569] CR2: 0000000000000000 CR3: 0000000001b6b005 CR4: 0000000000772ef0 [ 49.903641] PKRU: 55555554 [ 49.903656] Call Trace: [ 49.903682] [ 49.903709] __cancel_work+0x29/0xe0 [ 49.903770] ? linkwatch_urgent_event+0x2f/0xb0 [ 49.903813] __cancel_work_sync+0x16/0x80 [ 49.903842] __dev_close_many+0x11b/0x280 [ 49.903887] __dev_change_flags+0xed/0x220 [ 49.903947] netif_change_flags+0x25/0x60 [ 49.903991] dev_change_flags+0x40/0x80 [ 49.904022] cycle_netdev+0x36/0x70 [vrf] [ 49.904053] vrf_del_slave+0x29/0x30 [vrf] [ 49.904095] do_set_master+0x68/0x170 [ 49.904150] do_setlink.constprop.0+0x320/0x1120 [ 49.904192] ? __nla_validate_parse+0x5d/0xe70 [ 49.904241] ? __kmalloc_cache_noprof+0x3a5/0x4b0 [ 49.904337] rtnl_newlink+0x7fa/0xbc0 [ 49.904417] ? virtio_fs_enqueue_req+0x352/0x570 [ 49.904468] ? netdev_run_todo+0x63/0x550 [ 49.904496] ? rtnl_setlink+0x2c0/0x2c0 [ 49.904539] rtnetlink_rcv_msg+0x358/0x400 [ 49.904582] ? get_page_from_freelist+0x15b4/0x1770 [ 49.904657] ? rtnl_calcit.isra.0+0x110/0x110 [ 49.904695] netlink_rcv_skb+0x57/0x100 [ 49.904734] netlink_unicast+0x252/0x380 [ 49.904763] ? __alloc_skb+0xfc/0x1e0 [ 49.904792] netlink_sendmsg+0x1be/0x3e0 [ 49.904821] ____sys_sendmsg+0x132/0x260 [ 49.904853] ? copy_msghdr_from_user+0x6c/0xa0 [ 49.904917] ___sys_sendmsg+0x87/0xd0 [ 49.904949] ? do_wp_page+0x369/0xe90 [ 49.904991] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 49.905030] ? fsnotify_grab_connector+0x48/0x80 [ 49.905091] ? fsnotify_destroy_marks+0x29/0x150 [ 49.905125] __sys_sendmsg+0x71/0xd0 [ 49.905155] do_syscall_64+0xa4/0xfd0 [ 49.905219] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 49.905277] RIP: 0033:0x7efe8e2c41d7 [ 49.905314] 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 [ 49.905453] RSP: 002b:00007ffc54e3b608 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 49.905536] RAX: ffffffffffffffda RBX: 00007ffc54e3bd30 RCX: 00007efe8e2c41d7 [ 49.905618] RDX: 0000000000000000 RSI: 00007ffc54e3b670 RDI: 0000000000000005 [ 49.905663] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 49.905708] R10: 000000000c792910 R11: 0000000000000246 R12: 0000000000000004 [ 49.905753] R13: 00000000691cd1df R14: 0000000000499600 R15: 0000000000000000 [ 49.905805] [ 49.905825] Modules linked in: act_gact cls_flower sch_ingress bridge stp llc 8021q vrf veth [ 49.905890] CR2: 0000000000000000 [ 49.905918] ---[ end trace 0000000000000000 ]--- [ 49.905955] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 49.905992] 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 [ 49.906102] RSP: 0018:ffffa41a40aff630 EFLAGS: 00010046 [ 49.906138] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000c00 [ 49.906189] RDX: ffffa41a40aff668 RSI: 0000000000000000 RDI: 0000000000000000 [ 49.906240] RBP: ffffa41a40aff668 R08: ffff8b0181396473 R09: 0000000000000002 [ 49.906290] R10: ffff8b01bed28640 R11: ffff8b0181395c90 R12: 0000000000000000 [ 49.906341] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 49.906394] FS: 00007efe8e0f6800(0000) GS:ffff8b02146da000(0000) knlGS:0000000000000000 [ 49.906449] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.906498] CR2: 0000000000000000 CR3: 0000000001b6b005 CR4: 0000000000772ef0 [ 49.906551] PKRU: 55555554 [ 49.906571] note: ip[584] exited with irqs disabled [ 49.906791] ip (584) used greatest stack depth: 11464 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr