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net-next test error: general protection fault in rtnl_newlink

Status: closed as invalid on 2018/06/04 08:35
Subsystems: net
[Documentation on labels]
First crash: 2433d, last: 2433d

Sample crash report:
team0: Port device team_slave_1 added
IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 1 PID: 4615 Comm: ip Not tainted 4.17.0-rc6+ #71
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:rtnl_newlink+0x695/0x1d80 net/core/rtnetlink.c:2939
RSP: 0018:ffff8801aba26f10 EFLAGS: 00010206
RAX: 0000000000000011 RBX: dffffc0000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff85e73c57 RDI: 0000000000000088
RBP: ffff8801aba27618 R08: ffffed0035744e08 R09: ffffed0035744e0e
R10: ffffed0035744e07 R11: ffff8801aba2703f R12: ffff8801aba275f0
R13: 0000000000000000 R14: 0000000000000000 R15: ffff8801aba27390
FS:  00007f8075104700(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000063f210 CR3: 00000001d86cb000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 rtnetlink_rcv_msg+0x466/0xc10 net/core/rtnetlink.c:4662
 netlink_rcv_skb+0x172/0x440 net/netlink/af_netlink.c:2448
 rtnetlink_rcv+0x1c/0x20 net/core/rtnetlink.c:4680
 netlink_unicast_kernel net/netlink/af_netlink.c:1310 [inline]
 netlink_unicast+0x58b/0x740 net/netlink/af_netlink.c:1336
 netlink_sendmsg+0x9f0/0xfa0 net/netlink/af_netlink.c:1901
 sock_sendmsg_nosec net/socket.c:629 [inline]
 sock_sendmsg+0xd5/0x120 net/socket.c:639
 ___sys_sendmsg+0x805/0x940 net/socket.c:2117
 __sys_sendmsg+0x115/0x270 net/socket.c:2155
 __do_sys_sendmsg net/socket.c:2164 [inline]
 __se_sys_sendmsg net/socket.c:2162 [inline]
 __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2162
 do_syscall_64+0x1b1/0x800 arch/x86/entry/common.c:287
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f8074825320
RSP: 002b:00007ffcb3705598 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007ffcb3709690 RCX: 00007f8074825320
RDX: 0000000000000000 RSI: 00007ffcb37055d0 RDI: 0000000000000003
RBP: 00007ffcb37055d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000005b10f47c
R13: 0000000000000000 R14: 00000000006395c0 R15: 00007ffcb3709e60
Code: 88 95 0a 00 00 e8 1c ff 91 fb 48 83 bd 80 f9 ff ff 00 0f 84 fb 03 00 00 e8 09 ff 91 fb 49 8d bd 88 00 00 00 48 89 f8 48 c1 e8 03 <0f> b6 04 18 84 c0 74 08 3c 03 0f 8e 90 14 00 00 45 8b b5 88 00 
RIP: rtnl_newlink+0x695/0x1d80 net/core/rtnetlink.c:2939 RSP: ffff8801aba26f10
---[ end trace 0067f19e38c0bc39 ]---

Crashes (2):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2018/06/01 07:30 net-next-old 4b8e6ac41a59 2f93b54f .config console log report ci-upstream-net-kasan-gce
2018/06/01 07:30 net-next-old 4b8e6ac41a59 2f93b54f .config console log report ci-upstream-net-kasan-gce
* Struck through repros no longer work on HEAD.