syzbot


KASAN: use-after-free Read in soft_cursor
Status: upstream: reported C repro on 2019/12/04 13:11
Reported-by: syzbot+f57ac5d99d8733e94387@syzkaller.appspotmail.com
First crash: 528d, last: 17d

Fix bisection: the fix commit could be any of (bisect log):
  fbc5fe7a54d0 Linux 4.14.157
  56dfe6252c68 Linux 4.14.188
similar bugs (7):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream KASAN: use-after-free Read in soft_cursor C done inconclusive 12 249d 526d 0/22 upstream: reported C repro on 2019/12/06 12:25
linux-4.19 KASAN: use-after-free Read in soft_cursor C done 16 231d 528d 1/1 fixed on 2020/10/26 21:28
linux-4.19 KASAN: use-after-free Read in soft_cursor (2) 2 139d 177d 0/1 auto-closed as invalid on 2021/04/26 05:01
linux-4.19 KASAN: slab-out-of-bounds Read in soft_cursor (2) C 6 4d20h 115d 0/1 upstream: reported C repro on 2021/01/20 08:35
linux-4.14 KASAN: slab-out-of-bounds Read in soft_cursor C unreliable 56 8d13h 528d 0/1 upstream: reported C repro on 2019/12/03 14:54
linux-4.19 KASAN: global-out-of-bounds Read in soft_cursor C 21 17d 457d 0/1 upstream: reported C repro on 2020/02/12 19:07
linux-4.14 KASAN: global-out-of-bounds Read in soft_cursor C 18 2d09h 516d 0/1 upstream: reported C repro on 2019/12/16 00:09

Sample crash report:

Crashes (7):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-linux-4-14 2019/12/04 12:10 linux-4.14.y fbc5fe7a 0ecb9746 .config log report syz C
ci2-linux-4-14 2021/04/28 07:39 linux-4.14.y cf256fbc 77e2b668 .config log report info KASAN: use-after-free Read in soft_cursor
ci2-linux-4-14 2020/09/17 07:22 linux-4.14.y cbfa1702 8247808b .config log report info
ci2-linux-4-14 2020/06/18 02:58 linux-4.14.y b850307b d45a4d69 .config log report
ci2-linux-4-14 2020/05/23 23:33 linux-4.14.y a41ba30d 96c92ad3 .config log report
ci2-linux-4-14 2020/03/11 11:46 linux-4.14.y 78d697fc e103bc9e .config log report
ci2-linux-4-14 2019/12/13 05:47 linux-4.14.y a844dc4c 2a752b7c .config log report