syzbot


kernel BUG at mm/slab.c:LINE! (3)
Status: fixed on 2019/03/21 17:09
Reported-by: syzbot+2182db487a523d86bf34@syzkaller.appspotmail.com
Fix commit: bc6e019b fou: Prevent unbounded recursion in GUE error handler also with UDP-Lite
First crash: 190d, last: 63d

Bisection: introduced by (bisect log):

commit b8a51b38e4d4dec3e379d52c0fe1a66827f7cf1e
Author: Stefano Brivio <sbrivio@redhat.com>
Date: Thu Nov 8 11:19:23 2018 +0000

  fou, fou6: ICMP error handlers for FoU and GUE

Tree: net-next
Crash: BUG: unable to handle kernel paging request in corrupted (log)
Repro: C syz .config
similar bugs (3):
Kernel Title Repro Bisected Count Last Reported Patched Status
upstream kernel BUG at mm/slab.c:LINE! (4) 7 12h15m 57d 11/13 internal: reported on 2019/03/27 07:14
upstream kernel BUG at mm/slab.c:LINE! (2) C 701 304d 318d 9/13 fixed on 2018/08/07 13:43
upstream kernel BUG at mm/slab.c:LINE! C 860 624d 627d 3/13 fixed on 2017/10/24 06:54

Sample crash report:

All crashes (14):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci-upstream-net-kasan-gce 2018/11/14 02:18 net-next 3e536cff 5f5f6d14 .config log report syz C
ci-upstream-net-kasan-gce 2018/12/13 16:33 net-next 95302c39 f3d9d594 .config log report syz C
ci-upstream-net-kasan-gce 2018/12/04 21:28 net-next d9bbd6a1 6ad0ae61 .config log report syz C
ci-upstream-net-kasan-gce 2018/11/15 04:25 net-next 15cef309 5f5f6d14 .config log report syz C
ci-upstream-net-kasan-gce 2018/11/14 01:54 net-next 3e536cff 5f5f6d14 .config log report syz C
ci-upstream-kasan-gce 2019/02/27 11:11 upstream 7d762d69 083cfd0e .config log report davem@davemloft.net, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci-upstream-net-this-kasan-gce 2019/02/08 07:52 net ec7fd009 aa4feb03 .config log report avagin@virtuozzo.com, davem@davemloft.net, dvlasenk@redhat.com, jbaron@akamai.com, kgraul@linux.ibm.com, ktkhai@virtuozzo.com, kyeongdon.kim@lge.com, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, xiyou.wangcong@gmail.com
ci-upstream-net-kasan-gce 2019/03/21 11:45 net-next a534ea30 427ea487 .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-net-kasan-gce 2019/03/18 18:45 net-next 3b319ee2 4656beca .config log report bridge@lists.linux-foundation.org, davem@davemloft.net, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, nikolay@cumulusnetworks.com, roopa@cumulusnetworks.com
ci-upstream-net-kasan-gce 2019/03/16 06:27 net-next 3b319ee2 bab43553 .config log report linux-kernel@vger.kernel.org, linux-mm@kvack.org, mike.kravetz@oracle.com
ci-upstream-net-kasan-gce 2019/03/04 01:48 net-next 41bc0ddb 1c0e457a .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-net-kasan-gce 2019/02/26 15:58 net-next c14f7e1e a36ecd98 .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-net-kasan-gce 2019/02/25 04:40 net-next 45c0e7b2 7a06e792 .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-net-kasan-gce 2019/02/05 01:36 net-next cc733578 d672172c .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk