syzbot suspects this issue was fixed by commit:
commit 3c3201f8c7bb77eb53b08a3ca8d9a4ddc500b4c0
Author: Takashi Iwai <tiwai@xxxxxxx>
Date: Tue Mar 22 17:07:19 2022 +0000
ALSA: pcm: Fix races among concurrent prepare and hw_params/hw_free calls
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=104e3034f00000
start commit: dbb5afad100a ptrace: make ptrace() fail if the tracee chan..
git tree: upstream
kernel config: https://syzkaller.appspot.com/x/.config?x=91ff0467ce169bc
dashboard link: https://syzkaller.appspot.com/bug?extid=f7d9295d2565ee819d21
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16c75e73d00000
If the result looks correct, please mark the issue as fixed by replying with:
#syz fix: ALSA: pcm: Fix races among concurrent prepare and hw_params/hw_free calls
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
