[ 2.024604] ip (245) used greatest stack depth: 12344 bytes left [ 2.870749] br1: port 1(vx1) entered blocking state [ 2.870847] br1: port 1(vx1) entered disabled state [ 2.870929] vx1: entered allmulticast mode [ 2.871023] vx1: entered promiscuous mode [ 2.871098] br1: port 1(vx1) entered blocking state [ 2.871167] br1: port 1(vx1) entered forwarding state [ 2.882680] br1: port 2(veth1) entered blocking state [ 2.882756] br1: port 2(veth1) entered disabled state [ 2.882819] veth1: entered allmulticast mode [ 2.882916] veth1: entered promiscuous mode [ 2.893169] br1: port 2(veth1) entered blocking state [ 2.893268] br1: port 2(veth1) entered forwarding state [ 2.921736] br1: port 3(veth2) entered blocking state [ 2.921843] br1: port 3(veth2) entered disabled state [ 2.921924] veth2: entered allmulticast mode [ 2.922043] veth2: entered promiscuous mode [ 2.932901] br1: port 3(veth2) entered blocking state [ 2.932963] br1: port 3(veth2) entered forwarding state [ 2.967313] ip (325) used greatest stack depth: 12168 bytes left [ 3.362015] br2: port 1(w1) entered blocking state [ 3.362093] br2: port 1(w1) entered disabled state [ 3.362158] w1: entered allmulticast mode [ 3.362244] w1: entered promiscuous mode [ 3.422604] br2: port 2(vx2) entered blocking state [ 3.422671] br2: port 2(vx2) entered disabled state [ 3.422726] vx2: entered allmulticast mode [ 3.422813] vx2: entered promiscuous mode [ 3.422869] br2: port 2(vx2) entered blocking state [ 3.422919] br2: port 2(vx2) entered forwarding state [ 3.500706] br2: port 1(w1) entered blocking state [ 3.500777] br2: port 1(w1) entered forwarding state [ 3.720762] br2: port 1(w1) entered blocking state [ 3.720835] br2: port 1(w1) entered disabled state [ 3.720900] w1: entered allmulticast mode [ 3.720985] w1: entered promiscuous mode [ 3.779252] br2: port 2(vx2) entered blocking state [ 3.779357] br2: port 2(vx2) entered disabled state [ 3.779439] vx2: entered allmulticast mode [ 3.779548] vx2: entered promiscuous mode [ 3.779633] br2: port 2(vx2) entered blocking state [ 3.779707] br2: port 2(vx2) entered forwarding state [ 3.857108] br2: port 1(w1) entered blocking state [ 3.857186] br2: port 1(w1) entered forwarding state [ 10.197652] GACT probability NOT on [ 53.062602] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 53.062682] #PF: supervisor write access in kernel mode [ 53.062723] #PF: error_code(0x0002) - not-present page [ 53.062760] PGD 332c067 P4D 332c067 PUD 4fab067 PMD 0 [ 53.062799] Oops: Oops: 0002 [#1] SMP [ 53.062833] CPU: 2 UID: 0 PID: 580 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 53.062895] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 53.062942] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 53.062993] 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 [ 53.063124] RSP: 0018:ffffacb540413628 EFLAGS: 00010046 [ 53.063160] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 53.063217] RDX: ffffacb540413660 RSI: 0000000000000000 RDI: 0000000000000000 [ 53.063265] RBP: ffffacb540413660 R08: ffff908201396473 R09: ffffffff8666cc80 [ 53.063316] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 53.063367] R13: ffffacb540413790 R14: 0000000000000020 R15: ffffacb540413b30 [ 53.063420] FS: 00007f4d211a6800(0000) GS:ffff9082b7eda000(0000) knlGS:0000000000000000 [ 53.063474] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.063516] CR2: 0000000000000000 CR3: 0000000001f09005 CR4: 0000000000772ef0 [ 53.063568] PKRU: 55555554 [ 53.063588] Call Trace: [ 53.063608] [ 53.063641] __cancel_work+0x29/0xe0 [ 53.063674] ? linkwatch_urgent_event+0x2f/0xb0 [ 53.063723] __cancel_work_sync+0x16/0x80 [ 53.063751] __dev_close_many+0x11b/0x280 [ 53.063791] netif_close_many+0x98/0x160 [ 53.063822] __dev_change_net_namespace+0x934/0xa60 [ 53.063862] do_setlink.constprop.0+0xb5/0x1120 [ 53.063908] ? __nla_validate_parse+0x5d/0xe70 [ 53.063950] ? __kmalloc_cache_noprof+0x3a5/0x4b0 [ 53.063993] rtnl_newlink+0x7fa/0xbc0 [ 53.064031] ? virtio_fs_enqueue_req+0x352/0x570 [ 53.064076] ? netdev_run_todo+0x63/0x550 [ 53.064114] ? rtnl_setlink+0x2c0/0x2c0 [ 53.064143] rtnetlink_rcv_msg+0x358/0x400 [ 53.064174] ? get_page_from_freelist+0x15b4/0x1770 [ 53.064221] ? rtnl_calcit.isra.0+0x110/0x110 [ 53.064258] netlink_rcv_skb+0x57/0x100 [ 53.064294] netlink_unicast+0x252/0x380 [ 53.064323] ? __alloc_skb+0xfc/0x1e0 [ 53.064355] netlink_sendmsg+0x1be/0x3e0 [ 53.064384] ____sys_sendmsg+0x132/0x260 [ 53.064418] ? copy_msghdr_from_user+0x6c/0xa0 [ 53.064455] ___sys_sendmsg+0x87/0xd0 [ 53.064486] ? do_wp_page+0x369/0xe90 [ 53.064516] ? ___pte_offset_map+0x1b/0xd0 [ 53.064548] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 53.064587] ? fsnotify_grab_connector+0x48/0x80 [ 53.064626] ? fsnotify_destroy_marks+0x29/0x150 [ 53.064662] __sys_sendmsg+0x71/0xd0 [ 53.064692] do_syscall_64+0xa4/0xfd0 [ 53.064728] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 53.064765] RIP: 0033:0x7f4d213741d7 [ 53.064800] 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 [ 53.064911] RSP: 002b:00007ffc19247c38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 53.064962] RAX: ffffffffffffffda RBX: 00007ffc19248360 RCX: 00007f4d213741d7 [ 53.065022] RDX: 0000000000000000 RSI: 00007ffc19247ca0 RDI: 0000000000000005 [ 53.065073] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078 [ 53.065133] R10: 00007f4d21270f60 R11: 0000000000000246 R12: 0000000000000004 [ 53.065184] R13: 00000000691cbf5f R14: 0000000000499600 R15: 0000000000000000 [ 53.065246] [ 53.065265] Modules linked in: act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress vrf veth [ 53.065352] CR2: 0000000000000000 [ 53.065382] ---[ end trace 0000000000000000 ]--- [ 53.065417] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 53.065453] 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 [ 53.065569] RSP: 0018:ffffacb540413628 EFLAGS: 00010046 [ 53.065605] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 53.065656] RDX: ffffacb540413660 RSI: 0000000000000000 RDI: 0000000000000000 [ 53.065707] RBP: ffffacb540413660 R08: ffff908201396473 R09: ffffffff8666cc80 [ 53.065758] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 53.065808] R13: ffffacb540413790 R14: 0000000000000020 R15: ffffacb540413b30 [ 53.065861] FS: 00007f4d211a6800(0000) GS:ffff9082b7eda000(0000) knlGS:0000000000000000 [ 53.065911] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.065954] CR2: 0000000000000000 CR3: 0000000001f09005 CR4: 0000000000772ef0 [ 53.066009] PKRU: 55555554 [ 53.066035] note: ip[580] exited with irqs disabled [ 53.066389] ip (580) used greatest stack depth: 11448 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr