Re: KASAN: slab-out-of-bounds Read in _decode_session6 (2)

From: syzbot
Date: Thu Mar 21 2019 - 19:08:01 EST


syzbot has bisected this bug to:

commit 64fd1c7040880292710e6592ddc88d0d73cfb6fb
Author: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
Date: Mon Jun 12 20:48:41 2017 +0000

ACPI / PM: Run wakeup notify handlers synchronously

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1555b12b200000
start commit: 64fd1c70 ACPI / PM: Run wakeup notify handlers synchronously
git tree: upstream
final crash: https://syzkaller.appspot.com/x/report.txt?x=1755b12b200000
console output: https://syzkaller.appspot.com/x/log.txt?x=1355b12b200000
kernel config: https://syzkaller.appspot.com/x/.config?x=93932074d01b4a5
dashboard link: https://syzkaller.appspot.com/bug?extid=240f9766d6be3d69431e
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=13f35e4d400000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1280edbd400000

Reported-by: syzbot+240f9766d6be3d69431e@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: 64fd1c704088 ("ACPI / PM: Run wakeup notify handlers synchronously")

For information about bisection process see: https://goo.gl/tpsmEJ#bisection