[ 2.338658] br1: port 1(veth1) entered blocking state [ 2.338769] br1: port 1(veth1) entered disabled state [ 2.338847] veth1: entered allmulticast mode [ 2.338954] veth1: entered promiscuous mode [ 2.348750] br1: port 1(veth1) entered blocking state [ 2.348811] br1: port 1(veth1) entered forwarding state [ 2.358172] br1: port 2(veth2) entered blocking state [ 2.358240] br1: port 2(veth2) entered disabled state [ 2.358302] veth2: entered allmulticast mode [ 2.358403] veth2: entered promiscuous mode [ 2.368317] br1: port 2(veth2) entered blocking state [ 2.368374] br1: port 2(veth2) entered forwarding state [ 8.530638] tc (330) used greatest stack depth: 11840 bytes left [ 13.833436] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 13.833534] #PF: supervisor write access in kernel mode [ 13.833585] #PF: error_code(0x0002) - not-present page [ 13.833639] PGD 77b9067 P4D 77b9067 PUD 77b8067 PMD 0 [ 13.833698] Oops: Oops: 0002 [#1] SMP [ 13.833741] CPU: 3 UID: 0 PID: 655 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 13.833835] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.833903] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 13.833972] 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 [ 13.834156] RSP: 0018:ffffb095808d76b8 EFLAGS: 00010046 [ 13.834207] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 13.834289] RDX: ffffb095808d76f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 13.834370] RBP: ffffb095808d76f0 R08: ffff972742e2e473 R09: ffffffffa166cc80 [ 13.834450] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 13.834533] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 13.834616] FS: 00007f223dad9800(0000) GS:ffff9727dcf5a000(0000) knlGS:0000000000000000 [ 13.834702] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 13.834767] CR2: 0000000000000000 CR3: 00000000077a6006 CR4: 0000000000772ef0 [ 13.834850] PKRU: 55555554 [ 13.834883] Call Trace: [ 13.834913] [ 13.834951] __cancel_work+0x29/0xe0 [ 13.835003] ? linkwatch_urgent_event+0x2f/0xb0 [ 13.835066] __cancel_work_sync+0x16/0x80 [ 13.835113] __dev_close_many+0x11b/0x280 [ 13.835162] __dev_change_flags+0xed/0x220 [ 13.835209] netif_change_flags+0x25/0x60 [ 13.835258] do_setlink.constprop.0+0x2fe/0x1120 [ 13.835320] ? __nla_validate_parse+0x5d/0xe70 [ 13.835382] ? __kmalloc_cache_noprof+0x3a5/0x4b0 [ 13.835442] rtnl_newlink+0x7fa/0xbc0 [ 13.835490] ? virtio_fs_enqueue_req+0x352/0x570 [ 13.835549] ? netdev_run_todo+0x63/0x550 [ 13.835598] ? rtnl_setlink+0x2c0/0x2c0 [ 13.835643] rtnetlink_rcv_msg+0x358/0x400 [ 13.835685] ? get_page_from_freelist+0x15b4/0x1770 [ 13.835747] ? rtnl_calcit.isra.0+0x110/0x110 [ 13.835806] netlink_rcv_skb+0x57/0x100 [ 13.835856] netlink_unicast+0x252/0x380 [ 13.835901] ? __alloc_skb+0xfc/0x1e0 [ 13.835956] netlink_sendmsg+0x1be/0x3e0 [ 13.836001] ____sys_sendmsg+0x132/0x260 [ 13.836054] ? copy_msghdr_from_user+0x6c/0xa0 [ 13.836110] ___sys_sendmsg+0x87/0xd0 [ 13.836156] ? do_wp_page+0x369/0xe90 [ 13.836201] ? ___pte_offset_map+0x1b/0xd0 [ 13.836248] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 13.836311] ? fsnotify_grab_connector+0x48/0x80 [ 13.836376] ? fsnotify_destroy_marks+0x29/0x150 [ 13.836428] __sys_sendmsg+0x71/0xd0 [ 13.836474] do_syscall_64+0xa4/0xfd0 [ 13.836523] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 13.836583] RIP: 0033:0x7f223dca71d7 [ 13.836623] 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 [ 13.836809] RSP: 002b:00007ffe41021138 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 13.836894] RAX: ffffffffffffffda RBX: 00007ffe41021860 RCX: 00007f223dca71d7 [ 13.836975] RDX: 0000000000000000 RSI: 00007ffe410211a0 RDI: 0000000000000005 [ 13.837054] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 13.837134] R10: 00007f223dba3f60 R11: 0000000000000246 R12: 0000000000000003 [ 13.837213] R13: 00000000691cd901 R14: 0000000000499600 R15: 0000000000000000 [ 13.837295] [ 13.837326] Modules linked in: act_skbedit cls_flower sch_prio sch_ingress bridge stp llc vrf veth [ 13.837435] CR2: 0000000000000000 [ 13.837475] ---[ end trace 0000000000000000 ]--- [ 13.837526] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 13.837587] 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 [ 13.837773] RSP: 0018:ffffb095808d76b8 EFLAGS: 00010046 [ 13.837826] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 13.837907] RDX: ffffb095808d76f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 13.837988] RBP: ffffb095808d76f0 R08: ffff972742e2e473 R09: ffffffffa166cc80 [ 13.838069] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 13.838148] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 13.838229] FS: 00007f223dad9800(0000) GS:ffff9727dcf5a000(0000) knlGS:0000000000000000 [ 13.838318] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 13.838385] CR2: 0000000000000000 CR3: 00000000077a6006 CR4: 0000000000772ef0 [ 13.838467] PKRU: 55555554 [ 13.838498] note: ip[655] exited with irqs disabled [ 13.838763] ip (655) used greatest stack depth: 11592 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr