On Wed, 20 Apr 2022 at 23:28, syzbot <syzbot+f7d9295d2565ee819d21@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote: > > 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 Looks legit, that code is in the stack trace: #syz fix: ALSA: pcm: Fix races among concurrent prepare and hw_params/hw_free calls