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From: syzbot <syzbot+10b4363fb0f46527f3f3@syzkaller.appspotmail.com>
To: bigeasy@linutronix.de, bp@alien8.de, dave.hansen@linux.intel.com,
	 hpa@zytor.com, linux-kernel@vger.kernel.org,
	linux-sound@vger.kernel.org,  mingo@redhat.com, perex@perex.cz,
	syzkaller-bugs@googlegroups.com,  tglx@linutronix.de,
	tiwai@suse.com, x86@kernel.org
Subject: Re: [syzbot] [sound?] possible deadlock in __snd_pcm_lib_xfer (2)
Date: Fri, 29 Aug 2025 17:06:02 -0700	[thread overview]
Message-ID: <68b2406a.a00a0220.1337b0.001e.GAE@google.com> (raw)
In-Reply-To: <68b1f3ab.a70a0220.f8cc2.00f0.GAE@google.com>

syzbot has bisected this issue to:

commit d2d6422f8bd17c6bb205133e290625a564194496
Author: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date:   Fri Sep 6 10:59:04 2024 +0000

    x86: Allow to enable PREEMPT_RT.

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=12db5634580000
start commit:   07d9df80082b Merge tag 'perf-tools-fixes-for-v6.17-2025-08..
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=11db5634580000
console output: https://syzkaller.appspot.com/x/log.txt?x=16db5634580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=e1e1566c7726877e
dashboard link: https://syzkaller.appspot.com/bug?extid=10b4363fb0f46527f3f3
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=10307262580000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=17110242580000

Reported-by: syzbot+10b4363fb0f46527f3f3@syzkaller.appspotmail.com
Fixes: d2d6422f8bd1 ("x86: Allow to enable PREEMPT_RT.")

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

  reply	other threads:[~2025-08-30  0:06 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-08-29 18:38 syzbot
2025-08-30  0:06 ` syzbot [this message]
2025-09-04 10:20   ` Sebastian Andrzej Siewior
2025-09-04 10:38     ` Takashi Iwai
2025-09-15 15:28       ` [PATCH] ALSA: pcm: Disable bottom softirqs as part of spin_lock_irq() on PREEMPT_RT Sebastian Andrzej Siewior
2025-09-16  9:43         ` Takashi Iwai
2025-09-16 12:23           ` Sebastian Andrzej Siewior
2025-08-30  0:45 ` [syzbot] [sound?] possible deadlock in __snd_pcm_lib_xfer (2) Hillf Danton
2025-08-30  3:03   ` syzbot
2025-08-30  6:56     ` Hillf Danton
2025-09-03 14:59       ` Sebastian Andrzej Siewior
2025-09-04  1:05         ` Hillf Danton
2025-09-04  6:12           ` Sebastian Andrzej Siewior
2025-09-05  3:04             ` Hillf Danton

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