[ 1.935829] ip (248) used greatest stack depth: 12344 bytes left [ 2.440779] 8021q: 802.1Q VLAN Support v1.8 [ 2.880089] br1: port 1(vx10) entered blocking state [ 2.880166] br1: port 1(vx10) entered disabled state [ 2.880230] vx10: entered allmulticast mode [ 2.880302] vx10: entered promiscuous mode [ 2.880350] br1: port 1(vx10) entered blocking state [ 2.880402] br1: port 1(vx10) entered forwarding state [ 2.926466] br1: port 2(vx20) entered blocking state [ 2.926539] br1: port 2(vx20) entered disabled state [ 2.926603] vx20: entered allmulticast mode [ 2.926681] vx20: entered promiscuous mode [ 2.926730] br1: port 2(vx20) entered blocking state [ 2.926787] br1: port 2(vx20) entered forwarding state [ 2.949566] br1: port 3(veth1) entered blocking state [ 2.949670] br1: port 3(veth1) entered disabled state [ 2.949747] veth1: entered allmulticast mode [ 2.949862] veth1: entered promiscuous mode [ 2.960142] br1: port 3(veth1) entered blocking state [ 2.960216] br1: port 3(veth1) entered forwarding state [ 2.991481] br1: port 4(veth2) entered blocking state [ 2.991580] br1: port 4(veth2) entered disabled state [ 2.991653] veth2: entered allmulticast mode [ 2.991747] veth2: entered promiscuous mode [ 3.002178] br1: port 4(veth2) entered blocking state [ 3.002258] br1: port 4(veth2) entered forwarding state [ 3.072775] ip (353) used greatest stack depth: 12168 bytes left [ 3.439825] br2: port 1(w1) entered blocking state [ 3.439899] br2: port 1(w1) entered disabled state [ 3.439959] w1: entered allmulticast mode [ 3.440032] w1: entered promiscuous mode [ 3.525370] br2: port 2(vx10) entered blocking state [ 3.525452] br2: port 2(vx10) entered disabled state [ 3.525514] vx10: entered allmulticast mode [ 3.525601] vx10: entered promiscuous mode [ 3.525668] br2: port 2(vx10) entered blocking state [ 3.525714] br2: port 2(vx10) entered forwarding state [ 3.610531] br2: port 3(vx20) entered blocking state [ 3.610604] br2: port 3(vx20) entered disabled state [ 3.610666] vx20: entered allmulticast mode [ 3.610751] vx20: entered promiscuous mode [ 3.610800] br2: port 3(vx20) entered blocking state [ 3.610848] br2: port 3(vx20) entered forwarding state [ 3.704877] br2: port 1(w1) entered blocking state [ 3.704939] br2: port 1(w1) entered forwarding state [ 4.009516] br2: port 1(w1) entered blocking state [ 4.009582] br2: port 1(w1) entered disabled state [ 4.009653] w1: entered allmulticast mode [ 4.009729] w1: entered promiscuous mode [ 4.099013] br2: port 2(vx10) entered blocking state [ 4.099076] br2: port 2(vx10) entered disabled state [ 4.099122] vx10: entered allmulticast mode [ 4.099189] vx10: entered promiscuous mode [ 4.099241] br2: port 2(vx10) entered blocking state [ 4.099282] br2: port 2(vx10) entered forwarding state [ 4.099748] ip (457) used greatest stack depth: 12088 bytes left [ 4.183467] br2: port 3(vx20) entered blocking state [ 4.183575] br2: port 3(vx20) entered disabled state [ 4.183667] vx20: entered allmulticast mode [ 4.183773] vx20: entered promiscuous mode [ 4.183843] br2: port 3(vx20) entered blocking state [ 4.183903] br2: port 3(vx20) entered forwarding state [ 4.279045] br2: port 1(w1) entered blocking state [ 4.279106] br2: port 1(w1) entered forwarding state [ 15.600910] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 15.600982] #PF: supervisor write access in kernel mode [ 15.601041] #PF: error_code(0x0002) - not-present page [ 15.601077] PGD 5fd2067 P4D 5fd2067 PUD 5fd3067 PMD 0 [ 15.601138] Oops: Oops: 0002 [#1] SMP [ 15.601176] CPU: 2 UID: 0 PID: 573 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 15.601247] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.601290] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 15.601353] 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 [ 15.601470] RSP: 0018:ffffb00500c6f628 EFLAGS: 00010046 [ 15.601505] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 15.601556] RDX: ffffb00500c6f660 RSI: 0000000000000000 RDI: 0000000000000000 [ 15.601606] RBP: ffffb00500c6f660 R08: ffff93cf81396473 R09: ffffffff9c06cc80 [ 15.601656] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 15.601706] R13: ffffb00500c6f790 R14: 0000000000000020 R15: ffffb00500c6fb30 [ 15.601759] FS: 00007f2126d88800(0000) GS:ffff93d0224da000(0000) knlGS:0000000000000000 [ 15.601820] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 15.601861] CR2: 0000000000000000 CR3: 0000000005f42002 CR4: 0000000000772ef0 [ 15.601912] PKRU: 55555554 [ 15.601931] Call Trace: [ 15.601960] [ 15.601997] __cancel_work+0x29/0xe0 [ 15.602069] ? linkwatch_urgent_event+0x2f/0xb0 [ 15.602121] __cancel_work_sync+0x16/0x80 [ 15.602168] __dev_close_many+0x11b/0x280 [ 15.602224] netif_close_many+0x98/0x160 [ 15.602251] __dev_change_net_namespace+0x934/0xa60 [ 15.602291] do_setlink.constprop.0+0xb5/0x1120 [ 15.602333] ? __nla_validate_parse+0x5d/0xe70 [ 15.602383] ? __kmalloc_cache_noprof+0x3a5/0x4b0 [ 15.602435] rtnl_newlink+0x7fa/0xbc0 [ 15.602464] ? virtio_fs_enqueue_req+0x352/0x570 [ 15.602511] ? netdev_run_todo+0x63/0x550 [ 15.602540] ? rtnl_setlink+0x2c0/0x2c0 [ 15.602571] rtnetlink_rcv_msg+0x358/0x400 [ 15.602599] ? get_page_from_freelist+0x15b4/0x1770 [ 15.602641] ? rtnl_calcit.isra.0+0x110/0x110 [ 15.602695] netlink_rcv_skb+0x57/0x100 [ 15.602740] netlink_unicast+0x252/0x380 [ 15.602768] ? __alloc_skb+0xfc/0x1e0 [ 15.602801] netlink_sendmsg+0x1be/0x3e0 [ 15.602829] ____sys_sendmsg+0x132/0x260 [ 15.602860] ? copy_msghdr_from_user+0x6c/0xa0 [ 15.602899] ___sys_sendmsg+0x87/0xd0 [ 15.602927] ? do_wp_page+0x369/0xe90 [ 15.602961] ? ___pte_offset_map+0x1b/0xd0 [ 15.603002] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 15.603040] ? fsnotify_grab_connector+0x48/0x80 [ 15.603080] ? fsnotify_destroy_marks+0x29/0x150 [ 15.603116] __sys_sendmsg+0x71/0xd0 [ 15.603164] do_syscall_64+0xa4/0xfd0 [ 15.603204] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 15.603250] RIP: 0033:0x7f2126f561d7 [ 15.603280] 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 [ 15.603416] RSP: 002b:00007ffedb405728 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 15.603466] RAX: ffffffffffffffda RBX: 00007ffedb405e50 RCX: 00007f2126f561d7 [ 15.603525] RDX: 0000000000000000 RSI: 00007ffedb405790 RDI: 0000000000000005 [ 15.603574] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078 [ 15.603624] R10: 00007f2126e52f60 R11: 0000000000000246 R12: 0000000000000004 [ 15.603674] R13: 00000000691cd85f R14: 0000000000499600 R15: 0000000000000000 [ 15.603726] [ 15.603745] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth [ 15.603820] CR2: 0000000000000000 [ 15.603847] ---[ end trace 0000000000000000 ]--- [ 15.603896] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 15.603936] 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 [ 15.604070] RSP: 0018:ffffb00500c6f628 EFLAGS: 00010046 [ 15.604117] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 15.604170] RDX: ffffb00500c6f660 RSI: 0000000000000000 RDI: 0000000000000000 [ 15.604219] RBP: ffffb00500c6f660 R08: ffff93cf81396473 R09: ffffffff9c06cc80 [ 15.604269] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 15.604329] R13: ffffb00500c6f790 R14: 0000000000000020 R15: ffffb00500c6fb30 [ 15.604390] FS: 00007f2126d88800(0000) GS:ffff93d0224da000(0000) knlGS:0000000000000000 [ 15.604444] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 15.604485] CR2: 0000000000000000 CR3: 0000000005f42002 CR4: 0000000000772ef0 [ 15.604548] PKRU: 55555554 [ 15.604571] note: ip[573] exited with irqs disabled [ 15.605080] ip (573) used greatest stack depth: 11448 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr