From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f71.google.com (mail-io1-f71.google.com [209.85.166.71]) (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 EDC4231690A for ; Fri, 7 Nov 2025 09:11:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.71 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762506665; cv=none; b=jiX2WKX9XrBcvZ70PwIha38p+NsBMUhLjCBqtvbMGq248GP91Vjgdux0DHf4CZwg0vqApKPzJVo5oCnDYlFA5mYuaq6O/iLIOd7bIC47EebsTSQIXMKGz1jCRkjXzBe2RPABvBY4qMt4t9ugeUyzdgLpsUoYBtg4y7BrvwQinDw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762506665; c=relaxed/simple; bh=0X1ghcfB02TLkqvJN/K9ODmXaUSsTTg9mWNYYo1nTLA=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=KDsrZX8vbLvYl6uwOAwOm3uvyk4192kaPMvl3MfQL0gw/h1dgK4Bl76VbBMYUjaqtkTfS+ogL+ATTWHTgb5paxLGItg4dtxyvjF08ILNzjl18ftaUmJyZLe0UE9iOKxd9nT99yyMfeExcjHdePYG+lMcJfab0Y1/1VdfDf6a9a0= 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=209.85.166.71 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-io1-f71.google.com with SMTP id ca18e2360f4ac-9486440360dso46748339f.2 for ; Fri, 07 Nov 2025 01:11:03 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1762506663; x=1763111463; 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=mYikHAEUL/saSFKLYHHeo8rdkIeAMjFOGtkJrMNYVw0=; b=pBL6P9FD9utVza9/eTS+k4vH2pw0Mx+pydeU5/fPygYbP1HPkSa7UjR8uIEMgyC4MB sRtah8u9SZeENNWoraPy+BkP646hCsNhF1yJu9pFXetSsoUQuSLtNqpl6oQp7ksY6sJM g5CWEwIBZbImVv2qbY1W2A9+5TckzjW8qEDWdg42RvRsD3v9pwMBk73wASo+1lgpwwoC UChErUnpoomzzbVm/VphxY1vobnutocsR3Yo0E5PZHzTV2M5dNwpid1w3Yvy3X/bueKr LRALF020kIfCOo3mU/zEgZO1/yQkVAeb/QwcL3L8SPCxSBFV/Vlo2Znu8fu4fYy5Qn62 swOQ== X-Forwarded-Encrypted: i=1; AJvYcCVylCjPrT+5BQD7i0iSws36XzgNjNXz77DNxwqLhYgO2CucOJuJKISmHb1THJzWG1W7UUTSiiT+y7VtaO4=@vger.kernel.org X-Gm-Message-State: AOJu0YwmYjAPA21Hsag0QstdWbaTYVn9Z15jEeF1hfQHn0u38JXjcIt5 mt83i2KyCE5wKxi53i9p2HsZ2lWSgOla2030NLjPHB0nSFewmImt5IFGco7NvtvEsq4z7lakRUq NnVf1deU08aOSuh/jJAMEzQAmCuwPjge15lhArg9Mm/8slHl09G75B416yds= X-Google-Smtp-Source: AGHT+IErzOQ7//v4VQB6zTO0Xg0CKL3LrQUKyONErqYqpNX+/RP6WsAtLF5Kws28cG3k81vUpLngvkayi8Tb9oVqdd4KLBvvfc7t Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1c23:b0:431:d7da:ee29 with SMTP id e9e14a558f8ab-4335f46d880mr30944475ab.28.1762506663084; Fri, 07 Nov 2025 01:11:03 -0800 (PST) Date: Fri, 07 Nov 2025 01:11:03 -0800 In-Reply-To: <690d2bd5.a70a0220.22f260.000f.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <690db7a7.a70a0220.22f260.002e.GAE@google.com> Subject: Re: [syzbot] [exfat?] WARNING in __rt_mutex_slowlock_locked (2) From: syzbot To: Yuezhang.Mo@sony.com, brauner@kernel.org, jack@suse.cz, linkinjeon@kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, sj1557.seo@samsung.com, syzkaller-bugs@googlegroups.com, viro@zeniv.linux.org.uk, yuezhang.mo@sony.com Content-Type: text/plain; charset="UTF-8" syzbot has bisected this issue to: commit 184fa506e392eb78364d9283c961217ff2c0617b Author: Yuezhang Mo Date: Mon Oct 28 03:23:36 2024 +0000 exfat: fix out-of-bounds access of directory entries bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=12217812580000 start commit: c2c2ccfd4ba7 Merge tag 'net-6.18-rc5' of git://git.kernel... git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=11217812580000 console output: https://syzkaller.appspot.com/x/log.txt?x=16217812580000 kernel config: https://syzkaller.appspot.com/x/.config?x=41ad820f608cb833 dashboard link: https://syzkaller.appspot.com/bug?extid=5216036fc59c43d1ee02 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=11062a58580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16e19084580000 Reported-by: syzbot+5216036fc59c43d1ee02@syzkaller.appspotmail.com Fixes: 184fa506e392 ("exfat: fix out-of-bounds access of directory entries") For information about bisection process see: https://goo.gl/tpsmEJ#bisection