syzbot


UBSAN: array-index-out-of-bounds in dquot_resume
Status: fixed on 2021/03/10 01:48
Reported-by: syzbot+2643e825238d7aabb37f@syzkaller.appspotmail.com
Fix commit: e51d68e76d60 fs: quota: fix array-index-out-of-bounds bug by passing correct argument to vfs_cleanup_quota_inode()
First crash: 364d, last: 364d

Cause bisection: introduced by (bisect log) :
commit ae45f07d47cc30e9170488a4e5fe91ba4fe5ed4e
Author: Jan Kara <jack@suse.cz>
Date: Fri Nov 1 16:51:05 2019 +0000

  quota: Simplify dquot_resume()

Crash: UBSAN: undefined-behaviour in vfs_cleanup_quota_inode (log)
Repro: C syz .config
Patch testing requests:
Created Duration User Patch Repo Result
2020/12/08 07:51 19m anant.thazhemadam@gmail.com patch upstream OK

Sample crash report:

Crashes (1):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-smack-root 2020/12/05 23:29 upstream b3298500b23f 50503117 .config log report syz C