syzbot


KASAN: global-out-of-bounds Read in fb_pad_aligned_buffer
Status: fixed on 2020/11/28 11:57
Reported-by: syzbot+fec1bdfeaaacb3730f1c@syzkaller.appspotmail.com
Fix commit: 6612b754ac0c vt: Disable KD_FONT_OP_COPY
First crash: 680d, last: 355d

Fix bisection: fixed by (bisect log) :
commit 6612b754ac0c85ca8b1181b5d3ea4461a8c1bbcb
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Sun Nov 8 15:38:06 2020 +0000

  vt: Disable KD_FONT_OP_COPY

similar bugs (2):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.14 KASAN: global-out-of-bounds Read in fb_pad_aligned_buffer C inconclusive 6 405d 680d 0/1 upstream: reported C repro on 2019/12/07 22:52
upstream KASAN: global-out-of-bounds Read in fb_pad_aligned_buffer C done error 12 373d 680d 0/22 upstream: reported C repro on 2019/12/07 21:58

Sample crash report:

Crashes (5):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-linux-4-19 2019/12/07 22:11 linux-4.19.y fb683b5e3f53 1508f453 .config log report syz C
ci2-linux-4-19 2020/03/22 11:34 linux-4.19.y 14cfdbd39e31 78267cec .config log report syz
ci2-linux-4-19 2020/03/31 09:30 linux-4.19.y 54b4fa6d3955 c8d1cc20 .config log report
ci2-linux-4-19 2020/03/13 10:42 linux-4.19.y 569209711609 fd69032d .config log report
ci2-linux-4-19 2020/03/04 11:40 linux-4.19.y a083db76118d 712198ac .config log report