syzbot


kernel BUG at ./include/linux/skbuff.h:LINE!
Status: fixed on 2019/12/05 10:31
Reported-by: syzbot+0c2e9310a117c98192b8@syzkaller.appspotmail.com
Fix commit: e5df4bae tcp: fix tcp_rtx_queue_tail in case of empty retransmit queue
First crash: 301d, last: 275d

Fix bisection: fixed by (bisect log):

commit e5df4baea324d3c21dc48f86ad24e5d9aed67c65
Author: Tim Froidcoeur <tim.froidcoeur@tessares.net>
Date: Sat Aug 24 06:03:51 2019 +0000

  tcp: fix tcp_rtx_queue_tail in case of empty retransmit queue

similar bugs (5):
Kernel Title Repro Bisected Count Last Reported Patched Status
android-414 kernel BUG at ./include/linux/skbuff.h:LINE! syz 27 275d 301d 0/1 public: reported syz repro on 2019/08/10 08:48
upstream kernel BUG at ./include/linux/skbuff.h:LINE! (2) C 5 828d 806d 6/17 fixed on 2018/04/06 16:37
android-49 kernel BUG at ./include/linux/skbuff.h:LINE! C 3 833d 986d 0/3 closed as invalid on 2019/03/06 00:11
upstream kernel BUG at ./include/linux/skbuff.h:LINE! C 4502 871d 883d 4/17 fixed on 2018/01/22 13:19
android-49 kernel BUG at ./include/linux/skbuff.h:LINE! (2) syz 16 275d 295d 0/3 public: reported syz repro on 2019/08/16 10:13

Sample crash report:

Crashes (16):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci2-linux-4-14 2019/09/05 03:48 linux-4.14.y 01fd1694 040fda58 .config log report syz C davem@davemloft.net, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci2-linux-4-14 2019/09/03 08:35 linux-4.14.y 01fd1694 14544a56 .config log report syz C davem@davemloft.net, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci2-linux-4-14 2019/08/25 02:54 linux-4.14.y 45f092f9 d21c5d9d .config log report syz C davem@davemloft.net, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci2-linux-4-14 2019/08/21 16:22 linux-4.14.y 45f092f9 4ea67ff8 .config log report syz C davem@davemloft.net, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci2-linux-4-14 2019/08/19 20:59 linux-4.14.y 45f092f9 ae348fb7 .config log report syz C davem@davemloft.net, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci2-linux-4-14 2019/08/19 01:50 linux-4.14.y 45f092f9 b8ceabfc .config log report syz C davem@davemloft.net, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci2-linux-4-14 2019/08/18 08:17 linux-4.14.y 45f092f9 55bf8926 .config log report syz C davem@davemloft.net, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci2-linux-4-14 2019/08/16 15:20 linux-4.14.y 45f092f9 8fd428a1 .config log report syz C davem@davemloft.net, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci2-linux-4-14 2019/08/11 23:26 linux-4.14.y 3ffe1e79 acb51638 .config log report syz C davem@davemloft.net, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci2-linux-4-14 2019/08/25 18:23 linux-4.14.y b5260801 d21c5d9d .config log report syz davem@davemloft.net, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci2-linux-4-14 2019/08/10 08:47 linux-4.14.y 3ffe1e79 acb51638 .config log report syz davem@davemloft.net, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci2-linux-4-14 2019/08/27 09:37 linux-4.14.y b5260801 d21c5d9d .config log report davem@davemloft.net, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci2-linux-4-14 2019/08/23 12:37 linux-4.14.y 45f092f9 ca6f3cfa .config log report davem@davemloft.net, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci2-linux-4-14 2019/08/19 10:41 linux-4.14.y 45f092f9 b8ceabfc .config log report davem@davemloft.net, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci2-linux-4-14 2019/08/12 05:03 linux-4.14.y 3ffe1e79 acb51638 .config log report davem@davemloft.net, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org
ci2-linux-4-14 2019/08/11 23:03 linux-4.14.y 3ffe1e79 acb51638 .config log report davem@davemloft.net, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org