syzbot


general protection fault in __sock_release
Status: fixed on 2020/10/09 20:44
Reported-by: syzbot+b9e6839090ab52915446@syzkaller.appspotmail.com
Fix commit: c5c6e00f6cc5 fix regression in "epoll: Keep a reference on files added to the check list"
First crash: 456d, last: 443d

Fix bisection: fixed by (bisect log) :
commit c5c6e00f6cc5d3ed0d6464b14e33f2f5c8505888
Author: Al Viro <viro@zeniv.linux.org.uk>
Date: Wed Sep 2 15:30:48 2020 +0000

  fix regression in "epoll: Keep a reference on files added to the check list"

similar bugs (4):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 general protection fault in __sock_release syz done 8 443d 456d 1/1 fixed on 2020/10/09 08:27
upstream general protection fault in __sock_release 1 1226d 1226d 9/22 fixed on 2018/08/07 13:43
upstream general protection fault in __sock_release (2) 20 893d 1031d 0/22 auto-closed as invalid on 2019/10/25 08:42
upstream general protection fault in __sock_release (3) syz done unreliable 21 448d 452d 0/22 upstream: reported syz repro on 2020/08/31 19:38

Sample crash report:

Crashes (12):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-linux-4-14 2020/09/09 09:17 linux-4.14.y 2f166cdcf8a9 0ea7a887 .config log report syz
ci2-linux-4-14 2020/09/07 20:55 linux-4.14.y 2f166cdcf8a9 abf9ba4f .config log report syz
ci2-linux-4-14 2020/09/07 12:12 linux-4.14.y 2f166cdcf8a9 abf9ba4f .config log report syz
ci2-linux-4-14 2020/09/07 09:04 linux-4.14.y 2f166cdcf8a9 abf9ba4f .config log report syz
ci2-linux-4-14 2020/09/06 00:54 linux-4.14.y 2f166cdcf8a9 abf9ba4f .config log report syz
ci2-linux-4-14 2020/09/04 12:27 linux-4.14.y 2f166cdcf8a9 abf9ba4f .config log report syz
ci2-linux-4-14 2020/09/04 09:09 linux-4.14.y 2f166cdcf8a9 abf9ba4f .config log report syz
ci2-linux-4-14 2020/08/30 09:11 linux-4.14.y d7e78d08fa77 d5a3ae1f .config log report syz
ci2-linux-4-14 2020/08/29 15:54 linux-4.14.y d7e78d08fa77 d5a3ae1f .config log report syz
ci2-linux-4-14 2020/08/28 07:37 linux-4.14.y d7e78d08fa77 816e0689 .config log report syz
ci2-linux-4-14 2020/08/27 21:52 linux-4.14.y d7e78d08fa77 816e0689 .config log report syz
ci2-linux-4-14 2020/09/07 08:51 linux-4.14.y 2f166cdcf8a9 abf9ba4f .config log report