From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f198.google.com (mail-il1-f198.google.com [209.85.166.198]) (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 959672C0274 for ; Fri, 22 Aug 2025 19:46:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.198 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755891967; cv=none; b=A1ezWzDJSw+X+cGYESNdyPMGPT25OkJHIaq9wg3Ey2rP/GFi5jXe6mSlz1+eQkw/Z7Egdtv1Tq9ZM0DuNDaFjO47l6zADT6iYEnDlowpj5QF5TyWkD8s9R5/YiJjnpeJnNa2hACQu1GOmE+v7p6Pkou6UKDz6NzrvY5ynSAUBng= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755891967; c=relaxed/simple; bh=7NiEu3tkA6S8mPNtHs1Won+TKrSvzrKDenD6kfio+Uo=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=jvj44j7apT8EqNSFWF1KLn5fTLCM9GfaHWXYp+hc4B2hYR/ezt0wNOLbDdJgJ6+r3/+huLVcFEuVpo0+G6nogxqv7tufbb+rkIlA93FwKnvytFubP2+XyoPkb6etTsaj2RCc/QDv9G2DNsK+Eq7kYTIh6h5TCDTGIoCzrTWOVE0= 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=209.85.166.198 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-f198.google.com with SMTP id e9e14a558f8ab-3e56ffe6c5cso22707225ab.1 for ; Fri, 22 Aug 2025 12:46:05 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1755891965; x=1756496765; 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=NqSC6tySboQLbJ5EI4n/KR+EKbtxNLb53k76lwO30Xw=; b=EMfTXVbANw5bsmEwdYV+/ejkx5yGcLUR3Whs38tCMQ+NcwLcKeViQ2J+zSUMVeTjua YfRf5I/R3/ENUPwbd2LPyb852MR+eJAoeqtrxX1q1dBL0qI7c1KAY3wz00nMQ/FkREo0 rm1TWfWyVmNe3mMNx3c6JkfYbzwgg2Rr0DA4Y9PZhckTDnLsdRIg2ebk05JeMw5GTcdO 6gcqXd8iQOrfM/GEuqZZuH83Zv2BTObVuickJY1AJ0xGnyKEEporwSs0QToquy5jlBwT qTqRXyO3OEVd+iw9nOdHHYclEaqFqd/hMmTpj+ZQzOFFmvVBPw4O9wAbaCZvI42jpFFA +LOw== X-Forwarded-Encrypted: i=1; AJvYcCX4b0RM5SB49qnb7lLMRRXgTjWaIYLBBZ5g52me/2NclJQwYZBLHGu/gW+yuj5WOLGFiHvuIRi5sli1zGE=@vger.kernel.org X-Gm-Message-State: AOJu0YyB9Xh8DHWnEPLD85EPVGV3A9P2Rpm+6mvVa6bsrj222ybvtYES kZBsZe9YGGJUMjdIpWDxIA4GVPjTOfn2ge4Fj67/PFoyN5qOHSMpX/Kkc6AQYyS/a65RpnbtDkH UCWdQJcSl2ITpJJbLWuKPkvw5I/IpOFK+OZ/ovAQ1Ob9H6PgCpESfcc0bb1Q= X-Google-Smtp-Source: AGHT+IFotciXfb2/EVLMWr2EFo9hzs2Nns60EL1F8NvVSxbaXh1nQaZZ6WdP4J/p9TwLul/qlKcoHIG9x8l4KEeaMNE3+39TEPH8 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:156c:b0:3e5:2df0:4b7e with SMTP id e9e14a558f8ab-3e91fe19d9emr67355225ab.7.1755891964741; Fri, 22 Aug 2025 12:46:04 -0700 (PDT) Date: Fri, 22 Aug 2025 12:46:04 -0700 In-Reply-To: <68a8bd20.050a0220.37038e.005a.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <68a8c8fc.a00a0220.3557d1.0014.GAE@google.com> Subject: Re: [syzbot] [erofs?] KASAN: global-out-of-bounds Read in z_erofs_decompress_queue From: syzbot To: chao@kernel.org, dhavale@google.com, hsiangkao@linux.alibaba.com, jefflexu@linux.alibaba.com, lihongbo22@huawei.com, linux-erofs@lists.ozlabs.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com, xiang@kernel.org, zbestahu@gmail.com Content-Type: text/plain; charset="UTF-8" syzbot has bisected this issue to: commit df0ce6cefa453d2236381645e529a27ef2f0a573 Author: Chao Yu Date: Mon Jul 21 02:13:52 2025 +0000 erofs: support to readahead dirent blocks in erofs_readdir() bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=12e047bc580000 start commit: 3957a5720157 Merge tag 'cgroup-for-6.17-rc2-fixes' of git:.. git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=11e047bc580000 console output: https://syzkaller.appspot.com/x/log.txt?x=16e047bc580000 kernel config: https://syzkaller.appspot.com/x/.config?x=e1e1566c7726877e dashboard link: https://syzkaller.appspot.com/bug?extid=5a398eb460ddaa6f242f syz repro: https://syzkaller.appspot.com/x/repro.syz?x=151b07bc580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=131b07bc580000 Reported-by: syzbot+5a398eb460ddaa6f242f@syzkaller.appspotmail.com Fixes: df0ce6cefa45 ("erofs: support to readahead dirent blocks in erofs_readdir()") For information about bisection process see: https://goo.gl/tpsmEJ#bisection