syzbot


KASAN: out-of-bounds Read in ext4_xattr_set_entry
Status: upstream: reported C repro on 2021/04/12 14:20
Reported-by: syzbot+97177fd4bf74cef7673e@syzkaller.appspotmail.com
First crash: 401d, last: 7d19h
similar bugs (3):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 KASAN: use-after-free Read in ext4_xattr_set_entry (2) C done 7 248d 706d 1/1 fixed on 2021/10/13 07:23
android-54 KASAN: out-of-bounds Read in ext4_xattr_set_entry C 1 423d 423d 0/2 upstream: reported C repro on 2021/03/21 22:06
upstream KASAN: use-after-free Read in ext4_xattr_set_entry (4) C error done 21 86d 473d 22/22 fixed on 2022/03/28 10:17

Sample crash report:

Fix bisection attempts:
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-linux-4-14 2022/05/11 09:43 linux-4.14.y e3a56aaade89 3134b37f .config log report syz C
ci2-linux-4-14 2022/04/10 00:25 linux-4.14.y 74766a973637 3134b37f .config log report syz C
ci2-linux-4-14 2022/03/11 00:01 linux-4.14.y c9fcc1545c3b 3134b37f .config log report syz C
ci2-linux-4-14 2022/02/08 23:31 linux-4.14.y 21ad423fe521 3134b37f .config log report syz C
ci2-linux-4-14 2022/01/09 23:05 linux-4.14.y bfdef05c8da4 3134b37f .config log report syz C
ci2-linux-4-14 2021/12/10 22:38 linux-4.14.y c01d4d1b885d 3134b37f .config log report syz C
ci2-linux-4-14 2021/11/10 22:11 linux-4.14.y 0447aa205abe 3134b37f .config log report syz C
ci2-linux-4-14 2021/10/11 21:49 linux-4.14.y ed99bf0e81b5 3134b37f .config log report syz C
ci2-linux-4-14 2021/09/11 21:20 linux-4.14.y f96eb53cbd76 3134b37f .config log report syz C
ci2-linux-4-14 2021/08/12 20:58 linux-4.14.y 46914f96189b 3134b37f .config log report syz C
ci2-linux-4-14 2021/07/13 20:36 linux-4.14.y 4e68c9b0763f 3134b37f .config log report syz C
ci2-linux-4-14 2021/06/13 18:50 linux-4.14.y 3d3abdc8ebd3 3134b37f .config log report syz C
ci2-linux-4-14 2021/05/14 18:06 linux-4.14.y 7d7d1c0ab3eb 3134b37f .config log report syz C
Crashes (2):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-linux-4-14 2021/04/14 17:32 linux-4.14.y 958e517f4e16 3134b37f .config log report syz C KASAN: out-of-bounds Read in ext4_xattr_set_entry
ci2-linux-4-14 2021/04/12 14:20 linux-4.14.y 958e517f4e16 6a81331a .config log report syz C KASAN: out-of-bounds Read in ext4_xattr_set_entry