[ 2.005058] ip (249) used greatest stack depth: 12344 bytes left [ 2.294458] 8021q: 802.1Q VLAN Support v1.8 [ 2.962538] br10: port 1(veth1.10) entered blocking state [ 2.962611] br10: port 1(veth1.10) entered disabled state [ 2.962678] veth1.10: entered allmulticast mode [ 2.962723] veth1: entered allmulticast mode [ 2.962800] veth1.10: entered promiscuous mode [ 2.962843] veth1: entered promiscuous mode [ 2.980354] br10: port 2(veth2.10) entered blocking state [ 2.980424] br10: port 2(veth2.10) entered disabled state [ 2.980495] veth2.10: entered allmulticast mode [ 2.980545] veth2: entered allmulticast mode [ 2.980644] veth2.10: entered promiscuous mode [ 2.980697] veth2: entered promiscuous mode [ 2.995810] br10: port 2(veth2.10) entered blocking state [ 2.995928] br10: port 2(veth2.10) entered forwarding state [ 2.996002] br10: port 1(veth1.10) entered blocking state [ 2.996064] br10: port 1(veth1.10) entered forwarding state [ 3.127963] br11: port 1(veth1.11) entered blocking state [ 3.128042] br11: port 1(veth1.11) entered disabled state [ 3.128104] veth1.11: entered allmulticast mode [ 3.128199] veth1.11: entered promiscuous mode [ 3.143644] br11: port 2(veth2.11) entered blocking state [ 3.143700] br11: port 2(veth2.11) entered disabled state [ 3.143752] veth2.11: entered allmulticast mode [ 3.143836] veth2.11: entered promiscuous mode [ 3.158374] br11: port 2(veth2.11) entered blocking state [ 3.158471] br11: port 2(veth2.11) entered forwarding state [ 3.158544] br11: port 1(veth1.11) entered blocking state [ 3.158605] br11: port 1(veth1.11) entered forwarding state [ 3.284570] br12: port 1(veth1.12) entered blocking state [ 3.284635] br12: port 1(veth1.12) entered disabled state [ 3.284687] veth1.12: entered allmulticast mode [ 3.284781] veth1.12: entered promiscuous mode [ 3.300710] br12: port 2(veth2.12) entered blocking state [ 3.300771] br12: port 2(veth2.12) entered disabled state [ 3.300838] veth2.12: entered allmulticast mode [ 3.300936] veth2.12: entered promiscuous mode [ 3.314853] br12: port 2(veth2.12) entered blocking state [ 3.314922] br12: port 2(veth2.12) entered forwarding state [ 3.314993] br12: port 1(veth1.12) entered blocking state [ 3.315043] br12: port 1(veth1.12) entered forwarding state [ 375.355384] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 375.355463] #PF: supervisor write access in kernel mode [ 375.355509] #PF: error_code(0x0002) - not-present page [ 375.355564] PGD 7122067 P4D 7122067 PUD 7153067 PMD 0 [ 375.355618] Oops: Oops: 0002 [#1] SMP [ 375.355658] CPU: 0 UID: 0 PID: 1958 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 375.355742] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 375.355802] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 375.355876] 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 [ 375.356030] RSP: 0018:ffffb6ebc11676b8 EFLAGS: 00010046 [ 375.356070] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 375.356136] RDX: ffffb6ebc11676f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 375.356196] RBP: ffffb6ebc11676f0 R08: ffff9f43013a3673 R09: 0000000000000002 [ 375.356261] R10: ffff9f433ec28640 R11: ffff9f43013a2e90 R12: 0000000000000000 [ 375.356326] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 375.356403] FS: 00007fe1a5845800(0000) GS:ffff9f43a4fda000(0000) knlGS:0000000000000000 [ 375.356467] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 375.356526] CR2: 0000000000000000 CR3: 0000000001f86002 CR4: 0000000000772ef0 [ 375.356592] PKRU: 55555554 [ 375.356618] Call Trace: [ 375.356646] [ 375.356677] __cancel_work+0x29/0xe0 [ 375.356717] ? queue_delayed_work_on+0x54/0x60 [ 375.356764] __cancel_work_sync+0x16/0x80 [ 375.356801] __dev_close_many+0x11b/0x280 [ 375.356862] __dev_change_flags+0xed/0x220 [ 375.356905] netif_change_flags+0x25/0x60 [ 375.356939] do_setlink.constprop.0+0x2fe/0x1120 [ 375.356996] ? __nla_validate_parse+0x5d/0xe70 [ 375.357053] ? __kmalloc_cache_noprof+0x3a5/0x4b0 [ 375.357124] rtnl_newlink+0x7fa/0xbc0 [ 375.357156] ? virtio_fs_enqueue_req+0x352/0x570 [ 375.357217] ? netdev_run_todo+0x63/0x550 [ 375.357254] ? rtnl_setlink+0x2c0/0x2c0 [ 375.357290] rtnetlink_rcv_msg+0x358/0x400 [ 375.357331] ? get_page_from_freelist+0x15b4/0x1770 [ 375.357385] ? rtnl_calcit.isra.0+0x110/0x110 [ 375.357429] netlink_rcv_skb+0x57/0x100 [ 375.357479] netlink_unicast+0x252/0x380 [ 375.357524] ? __alloc_skb+0xfc/0x1e0 [ 375.357567] netlink_sendmsg+0x1be/0x3e0 [ 375.357597] ____sys_sendmsg+0x132/0x260 [ 375.357642] ? copy_msghdr_from_user+0x6c/0xa0 [ 375.357691] ___sys_sendmsg+0x87/0xd0 [ 375.357730] ? do_wp_page+0x369/0xe90 [ 375.357771] ? ___pte_offset_map+0x1b/0xd0 [ 375.357807] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 375.357860] ? fsnotify_grab_connector+0x48/0x80 [ 375.357913] ? fsnotify_destroy_marks+0x29/0x150 [ 375.357960] __sys_sendmsg+0x71/0xd0 [ 375.357997] do_syscall_64+0xa4/0xfd0 [ 375.358053] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 375.358110] RIP: 0033:0x7fe1a5a131d7 [ 375.358152] 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 [ 375.358297] RSP: 002b:00007fff3bf99198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 375.358356] RAX: ffffffffffffffda RBX: 00007fff3bf998c0 RCX: 00007fe1a5a131d7 [ 375.358430] RDX: 0000000000000000 RSI: 00007fff3bf99200 RDI: 0000000000000005 [ 375.358490] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 375.358559] R10: 00007fe1a590ff60 R11: 0000000000000246 R12: 0000000000000003 [ 375.358633] R13: 00000000691ccde2 R14: 0000000000499600 R15: 0000000000000000 [ 375.358701] [ 375.358726] Modules linked in: em_meta cls_basic sch_ets sch_tbf bridge stp llc 8021q vrf veth [ 375.358814] CR2: 0000000000000000 [ 375.358851] ---[ end trace 0000000000000000 ]--- [ 375.358896] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 375.358942] 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 [ 375.359086] RSP: 0018:ffffb6ebc11676b8 EFLAGS: 00010046 [ 375.359125] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 375.359183] RDX: ffffb6ebc11676f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 375.359243] RBP: ffffb6ebc11676f0 R08: ffff9f43013a3673 R09: 0000000000000002 [ 375.359307] R10: ffff9f433ec28640 R11: ffff9f43013a2e90 R12: 0000000000000000 [ 375.359365] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 375.359440] FS: 00007fe1a5845800(0000) GS:ffff9f43a4fda000(0000) knlGS:0000000000000000 [ 375.359504] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 375.359569] CR2: 0000000000000000 CR3: 0000000001f86002 CR4: 0000000000772ef0 [ 375.359629] PKRU: 55555554 [ 375.359656] note: ip[1958] exited with irqs disabled [ 375.359839] ip (1958) used greatest stack depth: 11592 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr