syzbot


KASAN: use-after-free Read in l2cap_chan_close
Status: upstream: reported C repro on 2020/02/08 02:54
Reported-by: syzbot+b70b68318b213bb8c149@syzkaller.appspotmail.com
First crash: 389d, last: 206d

Fix bisection: the fix commit could be any of (bisect log):
  ab9dfda23248 Linux 4.14.180
  56dfe6252c68 Linux 4.14.188
similar bugs (2):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 KASAN: use-after-free Read in l2cap_chan_close C done 8 208d 391d 1/1 fixed on 2020/09/09 05:22
upstream KASAN: use-after-free Read in l2cap_chan_close C done 37 209d 390d 17/21 fixed on 2020/09/16 22:51

Sample crash report:

Crashes (10):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-linux-4-14 2020/08/08 19:09 linux-4.14.y 14b58326 01975a06 .config log report syz C
ci2-linux-4-14 2020/08/08 07:42 linux-4.14.y 14b58326 ff51e522 .config log report syz C
ci2-linux-4-14 2020/08/08 02:25 linux-4.14.y 14b58326 ff51e522 .config log report syz C
ci2-linux-4-14 2020/08/07 12:18 linux-4.14.y 14b58326 28ac5c9e .config log report syz C
ci2-linux-4-14 2020/08/06 05:58 linux-4.14.y ca4f2c56 0487ea6f .config log report syz C
ci2-linux-4-14 2020/08/02 15:25 linux-4.14.y 7f2c5eb4 96dd3623 .config log report syz C
ci2-linux-4-14 2020/05/18 04:20 linux-4.14.y ab9dfda2 37bccd4e .config log report syz C
ci2-linux-4-14 2020/05/14 14:23 linux-4.14.y ab9dfda2 2d572622 .config log report syz C
ci2-linux-4-14 2020/04/23 21:57 linux-4.14.y c10b57a5 b9233cab .config log report syz C
ci2-linux-4-14 2020/02/08 02:53 linux-4.14.y e0f8b8a6 06150bf1 .config log report syz C