[ 1.842336] ip (246) used greatest stack depth: 12408 bytes left [ 2.035338] ip (254) used greatest stack depth: 12296 bytes left [ 2.626714] br1: port 1(vx10) entered blocking state [ 2.626810] br1: port 1(vx10) entered disabled state [ 2.626895] vx10: entered allmulticast mode [ 2.626991] vx10: entered promiscuous mode [ 2.627099] br1: port 1(vx10) entered blocking state [ 2.627157] br1: port 1(vx10) entered forwarding state [ 2.676298] br1: port 2(vx20) entered blocking state [ 2.676409] br1: port 2(vx20) entered disabled state [ 2.676493] vx20: entered allmulticast mode [ 2.676577] vx20: entered promiscuous mode [ 2.676685] br1: port 2(vx20) entered blocking state [ 2.676745] br1: port 2(vx20) entered forwarding state [ 2.698372] br1: port 3(veth1) entered blocking state [ 2.698443] br1: port 3(veth1) entered disabled state [ 2.698518] veth1: entered allmulticast mode [ 2.698617] veth1: entered promiscuous mode [ 2.709819] br1: port 3(veth1) entered blocking state [ 2.709890] br1: port 3(veth1) entered forwarding state [ 2.720521] br1: port 4(veth2) entered blocking state [ 2.720597] br1: port 4(veth2) entered disabled state [ 2.720687] veth2: entered allmulticast mode [ 2.720785] veth2: entered promiscuous mode [ 2.731885] br1: port 4(veth2) entered blocking state [ 2.731969] br1: port 4(veth2) entered forwarding state [ 2.768121] br1: port 5(vx4001) entered blocking state [ 2.768208] br1: port 5(vx4001) entered disabled state [ 2.768278] vx4001: entered allmulticast mode [ 2.768398] vx4001: entered promiscuous mode [ 2.768466] br1: port 5(vx4001) entered blocking state [ 2.768522] br1: port 5(vx4001) entered forwarding state [ 2.862712] 8021q: 802.1Q VLAN Support v1.8 [ 2.864130] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 2.864231] #PF: supervisor write access in kernel mode [ 2.864292] #PF: error_code(0x0002) - not-present page [ 2.864354] PGD 8824067 P4D 8824067 PUD 8814067 PMD 0 [ 2.864417] Oops: Oops: 0002 [#1] SMP [ 2.864468] CPU: 0 UID: 0 PID: 338 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 2.864575] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2.864640] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 2.864704] 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 [ 2.864908] RSP: 0018:ffffafd1002fb770 EFLAGS: 00010046 [ 2.864962] RAX: 0000000000000246 RBX: 0000000000000000 RCX: ffff9e32430ac9a8 [ 2.865057] RDX: ffffafd1002fb7a8 RSI: 0000000000000000 RDI: 0000000000000000 [ 2.865144] RBP: ffffafd1002fb7a8 R08: 0000000000000001 R09: 0000000000000001 [ 2.865225] R10: ffffffff9ee080d8 R11: ffffafd100003ff8 R12: 0000000000000000 [ 2.865304] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 2.865386] FS: 00007f9a8bcac800(0000) GS:ffff9e32df5da000(0000) knlGS:0000000000000000 [ 2.865467] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.865541] CR2: 0000000000000000 CR3: 0000000008875006 CR4: 0000000000772ef0 [ 2.865631] PKRU: 55555554 [ 2.865662] Call Trace: [ 2.865692] [ 2.865730] __cancel_work+0x29/0xe0 [ 2.865777] __cancel_work_sync+0x16/0x80 [ 2.865826] __dev_close_many+0x11b/0x280 [ 2.865868] __dev_change_flags+0xed/0x220 [ 2.865915] netif_change_flags+0x25/0x60 [ 2.865964] dev_change_flags+0x40/0x80 [ 2.866005] cycle_netdev+0x36/0x70 [vrf] [ 2.866051] vrf_add_slave+0x5a/0xb0 [vrf] [ 2.866092] do_set_master+0x10b/0x170 [ 2.866140] rtnl_newlink+0x580/0xbc0 [ 2.866191] ? rtnl_setlink+0x2c0/0x2c0 [ 2.866235] rtnetlink_rcv_msg+0x358/0x400 [ 2.866291] ? update_load_avg+0x6f/0x350 [ 2.866338] ? rtnl_calcit.isra.0+0x110/0x110 [ 2.866393] netlink_rcv_skb+0x57/0x100 [ 2.866442] netlink_unicast+0x252/0x380 [ 2.866481] ? __alloc_skb+0xfc/0x1e0 [ 2.866528] netlink_sendmsg+0x1be/0x3e0 [ 2.866568] ____sys_sendmsg+0x132/0x260 [ 2.866617] ? copy_msghdr_from_user+0x6c/0xa0 [ 2.866677] ___sys_sendmsg+0x87/0xd0 [ 2.866724] ? __handle_mm_fault+0xa3e/0xe50 [ 2.866787] __sys_sendmsg+0x71/0xd0 [ 2.866834] do_syscall_64+0xa4/0xfd0 [ 2.866881] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 2.866935] RIP: 0033:0x7f9a8be7a1d7 [ 2.866980] Code: Unable to access opcode bytes at 0x7f9a8be7a1ad. [ 2.867049] RSP: 002b:00007ffdda088e08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 2.867131] RAX: ffffffffffffffda RBX: 00007ffdda089530 RCX: 00007f9a8be7a1d7 [ 2.867211] RDX: 0000000000000000 RSI: 00007ffdda088e70 RDI: 0000000000000005 [ 2.867293] RBP: 0000000000000002 R08: 0000000000000054 R09: 0000000000000000 [ 2.867378] R10: 00007f9a8bf08ac0 R11: 0000000000000246 R12: 00007ffdda089578 [ 2.867458] R13: 00000000691cc4b8 R14: 0000000000499600 R15: 00007ffdda088f68 [ 2.867542] [ 2.867574] Modules linked in: 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth [ 2.867675] CR2: 0000000000000000 [ 2.867715] ---[ end trace 0000000000000000 ]--- [ 2.867767] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 2.867827] 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 [ 2.868015] RSP: 0018:ffffafd1002fb770 EFLAGS: 00010046 [ 2.868070] RAX: 0000000000000246 RBX: 0000000000000000 RCX: ffff9e32430ac9a8 [ 2.868156] RDX: ffffafd1002fb7a8 RSI: 0000000000000000 RDI: 0000000000000000 [ 2.868238] RBP: ffffafd1002fb7a8 R08: 0000000000000001 R09: 0000000000000001 [ 2.868319] R10: ffffffff9ee080d8 R11: ffffafd100003ff8 R12: 0000000000000000 [ 2.868399] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 2.868483] FS: 00007f9a8bcac800(0000) GS:ffff9e32df5da000(0000) knlGS:0000000000000000 [ 2.868565] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.868638] CR2: 00007f9a8be7a1ad CR3: 0000000008875006 CR4: 0000000000772ef0 [ 2.868718] PKRU: 55555554 [ 2.868744] note: ip[338] exited with irqs disabled [ 2.869010] ip (338) used greatest stack depth: 11784 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr