From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f199.google.com (mail-il1-f199.google.com [209.85.166.199]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3767E1F8923 for ; Sun, 2 Feb 2025 15:08:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.199 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738508885; cv=none; b=cSc4xTF1eCgHI7j51+5oepW+17dHIvBMHdnns940DEuTO+ESCcr+Gj+rwemjpLzu1EZY5zVGHVDCVtuXzWxq5J3NAhdMpAZLMmxEAcJubHg3CKNq7S0cDJglE2Epwyadh00LbI/Bkv3dMgBnymm9HZMbqTOrvieitttah6oqczQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738508885; c=relaxed/simple; bh=X7yd2+qFNeEAS8UzBFjEEjjbiRWfQSFMD+J2voO/PLA=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=e3c59XWoVYXrFhuQ29S1muRRwM9rNBlpbmksxuaLYGx8EkJFQRmA7Xs8goH8zzYmcUyXaFHfjV34xgVUUtKn47NLI5mCxVT9PtvKKOscADu4P8msqWhLmIn3C2beB8/LHMqPB+w72vBN/Ge8gDXwy4dS5ywJvKmX5BxziRNLP64= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.166.199 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-il1-f199.google.com with SMTP id e9e14a558f8ab-3cf6ceaccdbso26988255ab.1 for ; Sun, 02 Feb 2025 07:08:03 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1738508883; x=1739113683; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=as8jRmBqhydUDXs/90pySCuCHeb3fP0O7KZ+qpwNogc=; b=wFdO5L08LK/WQlo/Ul5PsiprkeVzB2pSzHWDHWhgGL/+wxR8OysbpZg8AxiTT2Up7b 1LPLGWWWyGgf9hqwQcQxJm55/5W+U0iRe/Q6z+TOFZsvINkCi0qKzpecAOGK1DVlG4M9 QKEpamoO50/mpyprl3cWcHygM7B5g9pKcXcIGOb1dSIirYqpnpbvxlpdNslIK1i7+y44 WYlbKKy2/4D93eAbHsNohm6Y5/HGcHHUibu3WG6p8fxKpZbBLYZAH9NIpo+2+vprtVG3 F5QlbpI8u0YJcmkeo7ZbfsBVdZ5cYNRxrrZaL0tte9AFzUrNm1JXAP+YdVbV/guN5/kn EqrA== X-Forwarded-Encrypted: i=1; AJvYcCUOT3wKJ111j0LbNJRSzTOv3DQIbhTn94600YBhqhbmk9OK0YxuMebRBaSKxGoNTzn6YBLzX0/NcTk+7X0=@vger.kernel.org X-Gm-Message-State: AOJu0YxbNDXE3vYr3XxOJ6p7npKt22nbNHTmSByQAxzhH5IE0XmPOCHC rg/xp75IUQTQd7t0O5lTapB3vvWwOmhEI15bjGqsQXMPhhklpcH+9jkEwM652ExzINeKYwWHfF+ hfZOLnULLbeO5NMUxcu2omLKDoulK3I+aVZafhtoaLIH+F2ha9jlhclg= X-Google-Smtp-Source: AGHT+IEyT6hh3PLCefTt8R5zupg7eSLCcrw1zcw0pQj/rzpMk5ZriYXQfwbK7UrNl+4HV97Y5tsvO9wCAJT+mxxtrZoX+v24BD8O Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a92:ca4f:0:b0:3d0:24c0:bd4d with SMTP id e9e14a558f8ab-3d024c0bfafmr51172895ab.18.1738508883278; Sun, 02 Feb 2025 07:08:03 -0800 (PST) Date: Sun, 02 Feb 2025 07:08:03 -0800 In-Reply-To: <6798b182.050a0220.ac840.0248.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <679f8a53.050a0220.d7c5a.0070.GAE@google.com> Subject: Re: [syzbot] [xfs?] possible deadlock in xfs_buf_find_insert From: syzbot To: cem@kernel.org, chandan.babu@oracle.com, djwong@kernel.org, hch@lst.de, linux-kernel@vger.kernel.org, linux-xfs@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" syzbot has bisected this issue to: commit ee10f6fcdb961e810d7b16be1285319c15c78ef6 Author: Christoph Hellwig Date: Thu Jan 16 06:01:42 2025 +0000 xfs: fix buffer lookup vs release race bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1193ad18580000 start commit: 69b8923f5003 Merge tag 'for-linus-6.14-ofs4' of git://git... git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=1393ad18580000 console output: https://syzkaller.appspot.com/x/log.txt?x=1593ad18580000 kernel config: https://syzkaller.appspot.com/x/.config?x=57ab43c279fa614d dashboard link: https://syzkaller.appspot.com/bug?extid=acb56162aef712929d3f syz repro: https://syzkaller.appspot.com/x/repro.syz?x=174cd5f8580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=162e2d18580000 Reported-by: syzbot+acb56162aef712929d3f@syzkaller.appspotmail.com Fixes: ee10f6fcdb96 ("xfs: fix buffer lookup vs release race") For information about bisection process see: https://goo.gl/tpsmEJ#bisection