syzbot


KASAN: slab-out-of-bounds Read in linear_transfer
Status: closed as dup on 2019/03/22 15:26
Reported-by: syzbot+a39b5d3c50e55e24fb4d@syzkaller.appspotmail.com
First crash: 1000d, last: 987d

Cause bisection: introduced by (bisect log) :
commit 65766ee0bf7fe8b3be80e2e1c3ef54ad59b29476
Author: Takashi Iwai <tiwai@suse.de>
Date: Fri Nov 9 10:59:45 2018 +0000

  ALSA: oss: Use kvzalloc() for local buffer allocations

Crash: KASAN: slab-out-of-bounds Read in linear_transfer (log)
Repro: C syz .config
Duplicate of (1):
Title Repro Cause bisect Fix bisect Count Last Reported
KASAN: slab-out-of-bounds Read in default_write_copy_kernel C done 366 976d 1099d
similar bugs (4):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 KASAN: slab-out-of-bounds Read in linear_transfer C done 2 725d 725d 1/1 fixed on 2020/01/03 21:54
upstream KASAN: slab-out-of-bounds Read in linear_transfer (3) C done 5 724d 725d 16/22 fixed on 2020/01/08 01:06
linux-4.14 KASAN: slab-out-of-bounds Read in linear_transfer C done 4 718d 725d 1/1 fixed on 2020/01/10 14:15
upstream KASAN: slab-out-of-bounds Read in linear_transfer (2) 1 958d 949d 13/22 fixed on 2019/06/24 23:41

Sample crash report:

Crashes (7):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce 2019/03/16 16:13 upstream 9c7dc824d9a4 bab43553 .config log report syz C
ci-upstream-kasan-gce-root 2019/03/16 14:49 upstream 9c7dc824d9a4 bab43553 .config log report syz C
ci-upstream-kasan-gce-selinux-root 2019/03/16 11:51 upstream 6c83d0d5eb62 bab43553 .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2019/03/16 12:00 linux-next cf08baa29613 bab43553 .config log report syz C
ci-upstream-kasan-gce-386 2019/03/16 11:31 upstream 6c83d0d5eb62 bab43553 .config log report syz
ci-upstream-kasan-gce-selinux-root 2019/03/03 17:37 upstream c027c7cf1577 1c0e457a .config log report
ci-upstream-kasan-gce-386 2019/03/16 11:08 upstream 6c83d0d5eb62 bab43553 .config log report