syzbot


KASAN: slab-out-of-bounds Read in ntfs_attr_find
Status: fixed on 2020/11/16 12:12
Reported-by: syzbot+aed06913f36eff9b544e@syzkaller.appspotmail.com
Fix commit: 4f8c9402 ntfs: add check for mft record size in superblock
First crash: 1167d, last: 241d

Cause bisection: introduced by (bisect log) :
commit 9dd068a4b85a68733213c874d08ef768bbec8d01
Author: Matthias Brugger <matthias.bgg@gmail.com>
Date: Fri Jul 31 15:03:13 2015 +0000

  soc: mediatek: Fix SCPSYS compilation

Crash: BUG: unable to handle kernel paging request in ntfs_attr_find (log)
Repro: C syz .config
similar bugs (2):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.14 KASAN: slab-out-of-bounds Read in ntfs_attr_find C done 10 234d 262d 1/1 fixed on 2020/11/20 16:27
linux-4.19 KASAN: slab-out-of-bounds Read in ntfs_attr_find C done 10 202d 258d 1/1 fixed on 2020/12/23 11:20
Patch testing requests:
Created Duration User Patch Repo Result
2020/08/22 22:56 14m rkovhaev@gmail.com patch upstream report log
2020/08/08 01:21 8m rkovhaev@gmail.com upstream report log

Sample crash report:

Fix bisection attempts:
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-root 2020/07/26 14:35 upstream 04300d66 dc889257 .config log report syz C
ci-upstream-kasan-gce-root 2020/06/15 15:18 upstream b3a9e3b9 dc889257 .config log report syz C
ci-upstream-kasan-gce-root 2020/05/16 14:10 upstream 12bf0b63 dc889257 .config log report syz C
ci-upstream-kasan-gce-root 2020/04/16 13:53 upstream 00086336 dc889257 .config log report syz C
ci-upstream-kasan-gce-root 2020/03/16 23:09 upstream fb33c651 dc889257 .config log report syz C
ci-upstream-kasan-gce-root 2020/02/11 22:09 upstream 0a679e13 dc889257 .config log report syz C
ci-upstream-kasan-gce-root 2020/01/12 21:49 upstream 040a3c33 dc889257 .config log report syz C
ci-upstream-kasan-gce-root 2019/12/10 14:50 upstream 6794862a dc889257 .config log report syz C
ci-upstream-kasan-gce-root 2019/08/01 03:49 upstream 0adb3285 dc889257 .config log report syz C
Crashes (9):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-root 2018/04/02 08:04 upstream 0adb3285 dc889257 .config log report syz C
ci-upstream-kasan-gce-root 2020/10/14 07:35 upstream 029f56db fc7735a2 .config log report info
ci-upstream-kasan-gce-selinux-root 2020/09/30 15:36 upstream 02de58b2 8516f6d3 .config log report info
ci-upstream-kasan-gce-root 2020/09/29 22:22 upstream ccc1d052 5abc3f1a .config log report info
ci-upstream-kasan-gce-root 2020/09/28 01:31 upstream a1bffa48 5dd8aee8 .config log report info
ci-upstream-kasan-gce-selinux-root 2020/09/27 15:15 upstream a1bffa48 5dd8aee8 .config log report info
ci-upstream-kasan-gce-root 2020/09/23 13:47 upstream 805c6d3c 287cd75a .config log report info
ci-upstream-kasan-gce-selinux-root 2020/09/22 06:50 upstream 98477740 9e1fa68e .config log report info
ci-upstream-kasan-gce-selinux-root 2020/09/21 12:01 upstream ba4f184e 9e1fa68e .config log report info