[ 2.504785] br0: port 1(veth1) entered blocking state [ 2.504868] br0: port 1(veth1) entered disabled state [ 2.504933] veth1: entered allmulticast mode [ 2.505031] veth1: entered promiscuous mode [ 2.515262] br0: port 2(veth2) entered blocking state [ 2.515333] br0: port 2(veth2) entered disabled state [ 2.515392] veth2: entered allmulticast mode [ 2.515482] veth2: entered promiscuous mode [ 2.538487] br0: port 1(veth1) entered blocking state [ 2.538557] br0: port 1(veth1) entered forwarding state [ 12.592917] br0: port 2(veth2) entered blocking state [ 12.592990] br0: port 2(veth2) entered forwarding state [ 17.688511] GACT probability NOT on [ 17.689765] tc (306) used greatest stack depth: 11840 bytes left [ 18.805737] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 18.805826] #PF: supervisor write access in kernel mode [ 18.805872] #PF: error_code(0x0002) - not-present page [ 18.805913] PGD 963f067 P4D 963f067 PUD 31aa067 PMD 0 [ 18.805964] Oops: Oops: 0002 [#1] SMP [ 18.806006] CPU: 3 UID: 0 PID: 316 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 18.806092] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 18.806148] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 18.806222] 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 [ 18.806371] RSP: 0018:ffff9af4802e36b8 EFLAGS: 00010046 [ 18.806422] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 18.806488] RDX: ffff9af4802e36f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 18.806552] RBP: ffff9af4802e36f0 R08: ffff8bab43151f73 R09: ffffffff8386cc80 [ 18.806616] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 18.806681] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 18.806749] FS: 00007f55958c7800(0000) GS:ffff8babfad5a000(0000) knlGS:0000000000000000 [ 18.806820] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 18.806880] CR2: 0000000000000000 CR3: 00000000095ed001 CR4: 0000000000772ef0 [ 18.806946] PKRU: 55555554 [ 18.806973] Call Trace: [ 18.807003] [ 18.807037] __cancel_work+0x29/0xe0 [ 18.807078] ? linkwatch_urgent_event+0x2f/0xb0 [ 18.807143] __cancel_work_sync+0x16/0x80 [ 18.807182] __dev_close_many+0x11b/0x280 [ 18.807230] __dev_change_flags+0xed/0x220 [ 18.807271] netif_change_flags+0x25/0x60 [ 18.807316] do_setlink.constprop.0+0x2fe/0x1120 [ 18.807371] ? __nla_validate_parse+0x5d/0xe70 [ 18.807432] ? __kmalloc_cache_noprof+0x3a5/0x4b0 [ 18.807496] rtnl_newlink+0x7fa/0xbc0 [ 18.807536] ? virtio_fs_enqueue_req+0x352/0x570 [ 18.807595] ? netdev_run_todo+0x63/0x550 [ 18.807635] ? rtnl_setlink+0x2c0/0x2c0 [ 18.807674] rtnetlink_rcv_msg+0x358/0x400 [ 18.807715] ? get_page_from_freelist+0x15b4/0x1770 [ 18.807772] ? rtnl_calcit.isra.0+0x110/0x110 [ 18.807824] netlink_rcv_skb+0x57/0x100 [ 18.807880] netlink_unicast+0x252/0x380 [ 18.807920] ? __alloc_skb+0xfc/0x1e0 [ 18.807958] netlink_sendmsg+0x1be/0x3e0 [ 18.807997] ____sys_sendmsg+0x132/0x260 [ 18.808043] ? copy_msghdr_from_user+0x6c/0xa0 [ 18.808097] ___sys_sendmsg+0x87/0xd0 [ 18.808138] ? do_wp_page+0x369/0xe90 [ 18.808181] ? ___pte_offset_map+0x1b/0xd0 [ 18.808223] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 18.808278] ? fsnotify_grab_connector+0x48/0x80 [ 18.808334] ? fsnotify_destroy_marks+0x29/0x150 [ 18.808378] __sys_sendmsg+0x71/0xd0 [ 18.808419] do_syscall_64+0xa4/0xfd0 [ 18.808469] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 18.808530] RIP: 0033:0x7f5595a951d7 [ 18.808569] 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 [ 18.808740] RSP: 002b:00007ffc175bbbf8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 18.808809] RAX: ffffffffffffffda RBX: 00007ffc175bc320 RCX: 00007f5595a951d7 [ 18.808881] RDX: 0000000000000000 RSI: 00007ffc175bbc60 RDI: 0000000000000005 [ 18.808950] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 18.809017] R10: 00007f5595991f60 R11: 0000000000000246 R12: 0000000000000003 [ 18.809081] R13: 00000000691cc214 R14: 0000000000499600 R15: 0000000000000000 [ 18.809148] [ 18.809174] Modules linked in: act_gact cls_flower sch_ingress bridge stp llc vrf veth [ 18.809257] CR2: 0000000000000000 [ 18.809295] ---[ end trace 0000000000000000 ]--- [ 18.809338] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 18.809390] 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 [ 18.809557] RSP: 0018:ffff9af4802e36b8 EFLAGS: 00010046 [ 18.809600] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 18.809673] RDX: ffff9af4802e36f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 18.809738] RBP: ffff9af4802e36f0 R08: ffff8bab43151f73 R09: ffffffff8386cc80 [ 18.809806] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 18.809870] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 18.809944] FS: 00007f55958c7800(0000) GS:ffff8babfad5a000(0000) knlGS:0000000000000000 [ 18.810018] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 18.810079] CR2: 0000000000000000 CR3: 00000000095ed001 CR4: 0000000000772ef0 [ 18.810152] PKRU: 55555554 [ 18.810179] note: ip[316] exited with irqs disabled [ 18.810420] ip (316) used greatest stack depth: 11592 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr