[ 2.101084] ip (256) used greatest stack depth: 12344 bytes left [ 2.329116] 8021q: 802.1Q VLAN Support v1.8 [ 2.654371] br0: port 1(veth1) entered blocking state [ 2.654436] br0: port 1(veth1) entered disabled state [ 2.654505] veth1: entered allmulticast mode [ 2.654599] veth1: entered promiscuous mode [ 2.664676] br0: port 1(veth1) entered blocking state [ 2.664769] br0: port 1(veth1) entered forwarding state [ 2.683738] br0: port 2(veth2) entered blocking state [ 2.683839] br0: port 2(veth2) entered disabled state [ 2.683928] veth2: entered allmulticast mode [ 2.684050] veth2: entered promiscuous mode [ 2.693909] br0: port 2(veth2) entered blocking state [ 2.693984] br0: port 2(veth2) entered forwarding state [ 34.379811] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 34.379896] #PF: supervisor write access in kernel mode [ 34.379932] #PF: error_code(0x0002) - not-present page [ 34.379968] PGD 7aee067 P4D 7aee067 PUD 2f7e067 PMD 0 [ 34.380008] Oops: Oops: 0002 [#1] SMP [ 34.380037] CPU: 2 UID: 0 PID: 2105 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 34.380101] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 34.380145] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 34.380189] 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 [ 34.380299] RSP: 0018:ffffa7450211b6b8 EFLAGS: 00010046 [ 34.380335] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 34.380385] RDX: ffffa7450211b6f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 34.380435] RBP: ffffa7450211b6f0 R08: ffff8f62c2001f73 R09: ffffffffa9a6cc80 [ 34.380486] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 34.380537] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 34.380589] FS: 00007f97a5f87800(0000) GS:ffff8f6354ada000(0000) knlGS:0000000000000000 [ 34.380642] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 34.380684] CR2: 0000000000000000 CR3: 0000000008033005 CR4: 0000000000772ef0 [ 34.380736] PKRU: 55555554 [ 34.380755] Call Trace: [ 34.380780] [ 34.380809] __cancel_work+0x29/0xe0 [ 34.380846] ? linkwatch_urgent_event+0x2f/0xb0 [ 34.380884] __cancel_work_sync+0x16/0x80 [ 34.380910] __dev_close_many+0x11b/0x280 [ 34.380947] __dev_change_flags+0xed/0x220 [ 34.380979] netif_change_flags+0x25/0x60 [ 34.381008] do_setlink.constprop.0+0x2fe/0x1120 [ 34.381053] ? __nla_validate_parse+0x5d/0xe70 [ 34.381093] ? __kmalloc_cache_noprof+0x3a5/0x4b0 [ 34.381138] rtnl_newlink+0x7fa/0xbc0 [ 34.381167] ? virtio_fs_enqueue_req+0x352/0x570 [ 34.381206] ? netdev_run_todo+0x63/0x550 [ 34.381234] ? rtnl_setlink+0x2c0/0x2c0 [ 34.381263] rtnetlink_rcv_msg+0x358/0x400 [ 34.381294] ? get_page_from_freelist+0x15b4/0x1770 [ 34.381333] ? rtnl_calcit.isra.0+0x110/0x110 [ 34.381368] netlink_rcv_skb+0x57/0x100 [ 34.381405] netlink_unicast+0x252/0x380 [ 34.381435] ? __alloc_skb+0xfc/0x1e0 [ 34.381465] netlink_sendmsg+0x1be/0x3e0 [ 34.381494] ____sys_sendmsg+0x132/0x260 [ 34.381529] ? copy_msghdr_from_user+0x6c/0xa0 [ 34.381572] ___sys_sendmsg+0x87/0xd0 [ 34.381604] ? do_wp_page+0x369/0xe90 [ 34.381637] ? ___pte_offset_map+0x1b/0xd0 [ 34.381670] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 34.381710] ? fsnotify_grab_connector+0x48/0x80 [ 34.381748] ? fsnotify_destroy_marks+0x29/0x150 [ 34.381784] __sys_sendmsg+0x71/0xd0 [ 34.381814] do_syscall_64+0xa4/0xfd0 [ 34.381868] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 34.381912] RIP: 0033:0x7f97a61551d7 [ 34.381943] 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 [ 34.382052] RSP: 002b:00007ffeb8345988 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 34.382103] RAX: ffffffffffffffda RBX: 00007ffeb83460b0 RCX: 00007f97a61551d7 [ 34.382153] RDX: 0000000000000000 RSI: 00007ffeb83459f0 RDI: 0000000000000005 [ 34.382204] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 34.382254] R10: 00007f97a6051f60 R11: 0000000000000246 R12: 0000000000000003 [ 34.382304] R13: 00000000691cbb8e R14: 0000000000499600 R15: 0000000000000000 [ 34.382357] [ 34.382376] Modules linked in: bridge stp llc 8021q vrf veth [ 34.382433] CR2: 0000000000000000 [ 34.382462] ---[ end trace 0000000000000000 ]--- [ 34.382510] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 34.382550] 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 [ 34.382664] RSP: 0018:ffffa7450211b6b8 EFLAGS: 00010046 [ 34.382699] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 34.382750] RDX: ffffa7450211b6f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 34.382801] RBP: ffffa7450211b6f0 R08: ffff8f62c2001f73 R09: ffffffffa9a6cc80 [ 34.382860] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 34.382911] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 34.382964] FS: 00007f97a5f87800(0000) GS:ffff8f6354ada000(0000) knlGS:0000000000000000 [ 34.383014] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 34.383056] CR2: 0000000000000000 CR3: 0000000008033005 CR4: 0000000000772ef0 [ 34.383108] PKRU: 55555554 [ 34.383132] note: ip[2105] exited with irqs disabled [ 34.383422] ip (2105) used greatest stack depth: 11592 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr