syzbot has bisected this bug to:
commit 65766ee0bf7fe8b3be80e2e1c3ef54ad59b29476
Author: Takashi Iwai <[email protected]>
Date: Fri Nov 9 10:59:45 2018 +0000
ALSA: oss: Use kvzalloc() for local buffer allocations
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=13ae57db200000
start commit: 65766ee0 ALSA: oss: Use kvzalloc() for local buffer alloca..
git tree: upstream
final crash: https://syzkaller.appspot.com/x/report.txt?x=106e57db200000
console output: https://syzkaller.appspot.com/x/log.txt?x=17ae57db200000
kernel config: https://syzkaller.appspot.com/x/.config?x=b9cc5a440391cbfd
dashboard link: https://syzkaller.appspot.com/bug?extid=12f17c177de05efea72d
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16c27125400000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=152a2a43400000
Reported-by: [email protected]
Fixes: 65766ee0 ("ALSA: oss: Use kvzalloc() for local buffer allocations")
