[ 1.881873] ip (248) used greatest stack depth: 12344 bytes left [ 2.526103] GACT probability NOT on [ 2.787462] br: port 1(veth1) entered blocking state [ 2.787521] br: port 1(veth1) entered disabled state [ 2.787578] veth1: entered allmulticast mode [ 2.787651] veth1: entered promiscuous mode [ 2.787690] br: port 1(veth1) entered blocking state [ 2.787728] br: port 1(veth1) entered forwarding state [ 2.834571] br: port 2(veth2) entered blocking state [ 2.834665] br: port 2(veth2) entered disabled state [ 2.834732] veth2: entered allmulticast mode [ 2.834831] veth2: entered promiscuous mode [ 2.834894] br: port 2(veth2) entered blocking state [ 2.834949] br: port 2(veth2) entered forwarding state [ 12.991523] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 12.991639] #PF: supervisor write access in kernel mode [ 12.991708] #PF: error_code(0x0002) - not-present page [ 12.991764] PGD 896d067 P4D 896d067 PUD 8975067 PMD 0 [ 12.991823] Oops: Oops: 0002 [#1] SMP [ 12.991864] CPU: 3 UID: 0 PID: 734 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 12.991972] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.992044] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 12.992116] 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 [ 12.992318] RSP: 0018:ffffa557c0c5f610 EFLAGS: 00010046 [ 12.992390] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000001388 [ 12.992477] RDX: ffffa557c0c5f648 RSI: 0000000000000000 RDI: 0000000000000000 [ 12.992564] RBP: ffffa557c0c5f648 R08: ffff8e1b03c13270 R09: ffff8e1b3eda4d60 [ 12.992648] R10: ffff8e1b3eda4d78 R11: 0000050400000504 R12: 0000000000000000 [ 12.992735] R13: ffffa557c0c5f740 R14: 0000000000000020 R15: 00000000ffffffff [ 12.992822] FS: 00007f0e110f2800(0000) GS:ffff8e1b88b5a000(0000) knlGS:0000000000000000 [ 12.992914] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 12.992992] CR2: 0000000000000000 CR3: 0000000008874004 CR4: 0000000000772ef0 [ 12.993078] PKRU: 55555554 [ 12.993105] Call Trace: [ 12.993137] [ 12.993174] __cancel_work+0x29/0xe0 [ 12.993228] __cancel_work_sync+0x16/0x80 [ 12.993272] __dev_close_many+0x11b/0x280 [ 12.993324] netif_close_many+0x98/0x160 [ 12.993367] ? kernfs_unlink_sibling+0x86/0xa0 [ 12.993439] unregister_netdevice_many_notify+0x1d8/0xa50 [ 12.993498] rtnl_dellink+0x156/0x350 [ 12.993551] ? virtio_fs_enqueue_req+0x352/0x570 [ 12.993618] ? netdev_run_todo+0x63/0x550 [ 12.993670] ? rtnl_bridge_getlink+0x1a0/0x1a0 [ 12.993728] rtnetlink_rcv_msg+0x358/0x400 [ 12.993771] ? get_page_from_freelist+0x15b4/0x1770 [ 12.993833] ? rtnl_calcit.isra.0+0x110/0x110 [ 12.993888] netlink_rcv_skb+0x57/0x100 [ 12.993930] netlink_unicast+0x252/0x380 [ 12.993969] ? __alloc_skb+0xfc/0x1e0 [ 12.994019] netlink_sendmsg+0x1be/0x3e0 [ 12.994060] ____sys_sendmsg+0x132/0x260 [ 12.994110] ? copy_msghdr_from_user+0x6c/0xa0 [ 12.994174] ___sys_sendmsg+0x87/0xd0 [ 12.994214] ? do_wp_page+0x369/0xe90 [ 12.994263] ? ___pte_offset_map+0x1b/0xd0 [ 12.994304] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 12.994365] ? fsnotify_grab_connector+0x48/0x80 [ 12.994426] ? fsnotify_destroy_marks+0x29/0x150 [ 12.994483] __sys_sendmsg+0x71/0xd0 [ 12.994523] do_syscall_64+0xa4/0xfd0 [ 12.994571] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 12.994635] RIP: 0033:0x7f0e112c01d7 [ 12.994683] 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 [ 12.994874] RSP: 002b:00007ffcd9586e98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 12.994958] RAX: ffffffffffffffda RBX: 00007ffcd95875c0 RCX: 00007f0e112c01d7 [ 12.995050] RDX: 0000000000000000 RSI: 00007ffcd9586f00 RDI: 0000000000000005 [ 12.995132] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078 [ 12.995214] R10: 00007f0e111bcf60 R11: 0000000000000246 R12: 0000000000000002 [ 12.995297] R13: 00000000691cd15f R14: 0000000000499600 R15: 0000000000000000 [ 12.995382] [ 12.995407] Modules linked in: bridge stp llc act_gact cls_flower sch_ingress vrf veth [ 12.995502] CR2: 0000000000000000 [ 12.995542] ---[ end trace 0000000000000000 ]--- [ 12.995597] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 12.995660] 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 [ 12.995854] RSP: 0018:ffffa557c0c5f610 EFLAGS: 00010046 [ 12.995910] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000001388 [ 12.996002] RDX: ffffa557c0c5f648 RSI: 0000000000000000 RDI: 0000000000000000 [ 12.996085] RBP: ffffa557c0c5f648 R08: ffff8e1b03c13270 R09: ffff8e1b3eda4d60 [ 12.996167] R10: ffff8e1b3eda4d78 R11: 0000050400000504 R12: 0000000000000000 [ 12.996250] R13: ffffa557c0c5f740 R14: 0000000000000020 R15: 00000000ffffffff [ 12.996335] FS: 00007f0e110f2800(0000) GS:ffff8e1b88b5a000(0000) knlGS:0000000000000000 [ 12.996425] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 12.996494] CR2: 0000000000000000 CR3: 0000000008874004 CR4: 0000000000772ef0 [ 12.996577] PKRU: 55555554 [ 12.996605] note: ip[734] exited with irqs disabled [ 12.996879] ip (734) used greatest stack depth: 11432 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr