[ 2.470497] br0: port 1(veth1) entered blocking state [ 2.470564] br0: port 1(veth1) entered disabled state [ 2.470626] veth1: entered allmulticast mode [ 2.470718] veth1: entered promiscuous mode [ 2.481962] br0: port 2(veth3) entered blocking state [ 2.482056] br0: port 2(veth3) entered disabled state [ 2.482131] veth3: entered allmulticast mode [ 2.482289] veth3: entered promiscuous mode [ 2.519840] br0: port 1(veth1) entered blocking state [ 2.519917] br0: port 1(veth1) entered forwarding state [ 2.529196] br0: port 2(veth3) entered blocking state [ 2.529258] br0: port 2(veth3) entered forwarding state [ 5.026452] br0: port 3(veth5) entered blocking state [ 5.026512] br0: port 3(veth5) entered disabled state [ 5.026565] veth5: entered allmulticast mode [ 5.026638] veth5: entered promiscuous mode [ 5.045703] veth5: left allmulticast mode [ 5.045746] veth5: left promiscuous mode [ 5.045786] br0: port 3(veth5) entered disabled state [ 5.140137] br0: port 3(veth5) entered blocking state [ 5.140189] br0: port 3(veth5) entered disabled state [ 5.140240] veth5: entered allmulticast mode [ 5.140321] veth5: entered promiscuous mode [ 5.140355] br0: adding interface veth5 with same address as a received packet (addr:de:ad:be:ef:42:00, vlan:0) [ 5.158602] veth5: left allmulticast mode [ 5.158677] veth5: left promiscuous mode [ 5.158733] br0: port 3(veth5) entered disabled state [ 10.431656] br0: port 3(veth5) entered blocking state [ 10.431714] br0: port 3(veth5) entered disabled state [ 10.431759] veth5: entered allmulticast mode [ 10.431833] veth5: entered promiscuous mode [ 10.459114] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 10.459179] #PF: supervisor write access in kernel mode [ 10.459220] #PF: error_code(0x0002) - not-present page [ 10.459256] PGD afb3067 P4D afb3067 PUD b063067 PMD 0 [ 10.459292] Oops: Oops: 0002 [#1] SMP [ 10.459332] CPU: 2 UID: 0 PID: 1327 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 10.459398] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.459441] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 10.459486] 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 [ 10.459596] RSP: 0018:ffff9e5e81b436b8 EFLAGS: 00010046 [ 10.459632] RAX: 0000000000000246 RBX: 0000000000000000 RCX: ffffffffa8b85b89 [ 10.459683] RDX: ffff9e5e81b436f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 10.459733] RBP: ffff9e5e81b436f0 R08: 0000000000000400 R09: 0000000000000001 [ 10.459790] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 [ 10.459846] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 10.459898] FS: 00007f929483c800(0000) GS:ffff8e21d56da000(0000) knlGS:0000000000000000 [ 10.459948] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 10.459990] CR2: 0000000000000000 CR3: 000000000b036002 CR4: 0000000000772ef0 [ 10.460041] PKRU: 55555554 [ 10.460061] Call Trace: [ 10.460083] [ 10.460109] __cancel_work+0x29/0xe0 [ 10.460138] ? dev_deactivate_many+0x2c9/0x300 [ 10.460178] __cancel_work_sync+0x16/0x80 [ 10.460211] __dev_close_many+0x11b/0x280 [ 10.460244] __dev_change_flags+0xed/0x220 [ 10.460272] netif_change_flags+0x25/0x60 [ 10.460303] do_setlink.constprop.0+0x2fe/0x1120 [ 10.460341] ? __nla_validate_parse+0x5d/0xe70 [ 10.460387] ? __kmalloc_cache_noprof+0x3a5/0x4b0 [ 10.460429] rtnl_newlink+0x7fa/0xbc0 [ 10.460458] ? virtio_fs_enqueue_req+0x352/0x570 [ 10.460497] ? netdev_run_todo+0x63/0x550 [ 10.460525] ? rtnl_setlink+0x2c0/0x2c0 [ 10.460554] rtnetlink_rcv_msg+0x358/0x400 [ 10.460582] ? get_page_from_freelist+0x15b4/0x1770 [ 10.460621] ? rtnl_calcit.isra.0+0x110/0x110 [ 10.460657] netlink_rcv_skb+0x57/0x100 [ 10.460692] netlink_unicast+0x252/0x380 [ 10.460722] ? __alloc_skb+0xfc/0x1e0 [ 10.460753] netlink_sendmsg+0x1be/0x3e0 [ 10.460783] ____sys_sendmsg+0x132/0x260 [ 10.460816] ? copy_msghdr_from_user+0x6c/0xa0 [ 10.460856] ___sys_sendmsg+0x87/0xd0 [ 10.460884] ? do_wp_page+0x369/0xe90 [ 10.460915] ? ___pte_offset_map+0x1b/0xd0 [ 10.460944] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 10.460982] ? fsnotify_grab_connector+0x48/0x80 [ 10.461018] ? fsnotify_destroy_marks+0x29/0x150 [ 10.461054] __sys_sendmsg+0x71/0xd0 [ 10.461084] do_syscall_64+0xa4/0xfd0 [ 10.461117] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.461153] RIP: 0033:0x7f9294a0a1d7 [ 10.461182] 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 [ 10.461294] RSP: 002b:00007ffe7ff312f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 10.461359] RAX: ffffffffffffffda RBX: 00007ffe7ff31a20 RCX: 00007f9294a0a1d7 [ 10.461409] RDX: 0000000000000000 RSI: 00007ffe7ff31360 RDI: 0000000000000005 [ 10.461460] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 10.461504] R10: 00007f9294906f60 R11: 0000000000000246 R12: 0000000000000003 [ 10.461555] R13: 00000000691cc789 R14: 0000000000499600 R15: 0000000000000000 [ 10.461606] [ 10.461626] Modules linked in: vrf bridge stp llc veth [ 10.461668] CR2: 0000000000000000 [ 10.461695] ---[ end trace 0000000000000000 ]--- [ 10.461730] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 10.461766] 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 [ 10.461878] RSP: 0018:ffff9e5e81b436b8 EFLAGS: 00010046 [ 10.461913] RAX: 0000000000000246 RBX: 0000000000000000 RCX: ffffffffa8b85b89 [ 10.461958] RDX: ffff9e5e81b436f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 10.462002] RBP: ffff9e5e81b436f0 R08: 0000000000000400 R09: 0000000000000001 [ 10.462047] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 [ 10.462092] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 10.462144] FS: 00007f929483c800(0000) GS:ffff8e21d56da000(0000) knlGS:0000000000000000 [ 10.462195] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 10.462237] CR2: 0000000000000000 CR3: 000000000b036002 CR4: 0000000000772ef0 [ 10.462288] PKRU: 55555554 [ 10.462313] note: ip[1327] exited with irqs disabled [ 10.462496] ip (1327) used greatest stack depth: 11592 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr