From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f70.google.com (mail-io1-f70.google.com [209.85.166.70]) (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 5E80238DD1 for ; Thu, 3 Oct 2024 19:10:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.70 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727982629; cv=none; b=B4vzMgvh9x5nHI7p+fTeQrbAt4dVSrELkZgMt09Qb9Lo4BHHE138WYDbxYVaNflgaMo/Z31AZ3rFgb9idJ2cP+goDuLmmBJO1IXz+Y9S0SvjW/cJesGZHrShc4QhxTWnp9sCnBwInUQUe4I5PBE3RCO7rsCS4tj6plPLZSsIIA0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727982629; c=relaxed/simple; bh=tIlyHP8YQlJunsIhxVQ/fac2Z3f5p1/lUu5BiQfPkf0=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=pxFzJ7vjBsvgk+p630nUer9MPu+PSu6JGHGZVAd6zdrpu94KxxXh7LcomXtAmIPBSyd56/q6mepqDpSTrihGhLT2NnaK2nxvgdlYvrFXslbWI8SPUp7wfyjos8oxOVBWCM9yL/luo9gpV3UKKBqM46S6+bQ2wpZGJVQe3srQqYg= 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=209.85.166.70 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-f70.google.com with SMTP id ca18e2360f4ac-8325010330fso134959639f.0 for ; Thu, 03 Oct 2024 12:10:28 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1727982627; x=1728587427; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=hDlR7B+s3yTh+LBBOJNrKl0WkULGNN+JmGj33uBpDo4=; b=Fuy/VHUERLiJIOQSUnfuoz2DHWzg14nTdLuYU5x4yE+SyuMUd1mJVOBaRcdJCkx0kL mjtSS4FynGBZfDNIQiuCJpCGCgJBtYFWNQ9pSL3Xh6ndvmXMeV5FWNJvQJKTzjcCxELH Ec+k/bux7vjBLGEG8fYN/SgZp5vKNbyOn7Q0uwYPdgBU2V2kZMCeEU5OQE2+bjDpqbxN /fYNGO1QVgQm8q8UaCzpvgPVCadKAyBxsTlWKRgnbpA0B9zw9MJvJiSijCSwtnVy0QuF PzDjHpSjRC3k+HgoshBKr/BsPUEYX5uba8fKu38cioNy0492yylwlvZLRS/Ciyer7H6P uSFw== X-Forwarded-Encrypted: i=1; AJvYcCXnKTgWusHg07LZ1N6FbhasSTqqONNG03bsFKJ0dGcfgxaRhwIYeACAX264gzfoVGkAs0JzqkiqwdtnDvw=@vger.kernel.org X-Gm-Message-State: AOJu0YxsDdfy1bpVFgr/+Jp9vWffDIJveFfJKtz+44UbQfk8xcFOqFiD UixN+zwxdYoAyD4ve+6+HgUteGzjyEWicySfH5jTwaCCIUqMZLkzmtguYroBBnlgiDNNnjrvtOR yh674s71MFkviLgQSJszeet7TwYkOQ0GYowRcj18zxVUxtRo9vYgv+Sw= X-Google-Smtp-Source: AGHT+IE0siJiLWIH8n/SO8mPn6X3uCZ9RtjNk7UsJqNla/63RlbC80qmifd0FxO7JjAMcbd2Xeh8zUsHaPetEELlkln9+4Flx1/L Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1ca1:b0:3a0:9fc6:5437 with SMTP id e9e14a558f8ab-3a375bb7c44mr2383345ab.18.1727982627496; Thu, 03 Oct 2024 12:10:27 -0700 (PDT) Date: Thu, 03 Oct 2024 12:10:27 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <66feec23.050a0220.9ec68.0059.GAE@google.com> Subject: [syzbot] [jfs?] UBSAN: array-index-out-of-bounds in dtInsertEntry From: syzbot To: jfs-discussion@lists.sourceforge.net, linux-kernel@vger.kernel.org, shaggy@kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: e7ed34365879 Merge tag 'mailbox-v6.12' of git://git.kernel.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=164e8127980000 kernel config: https://syzkaller.appspot.com/x/.config?x=84a3f3ed29aaafa0 dashboard link: https://syzkaller.appspot.com/bug?extid=5f7f0caf9979e9d09ff8 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/eb021424c7db/disk-e7ed3436.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/2f5f0d22ea96/vmlinux-e7ed3436.xz kernel image: https://storage.googleapis.com/syzbot-assets/47176809b11c/bzImage-e7ed3436.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+5f7f0caf9979e9d09ff8@syzkaller.appspotmail.com ------------[ cut here ]------------ UBSAN: array-index-out-of-bounds in fs/jfs/jfs_dtree.c:3632:9 index 27 is out of range for type 'struct lv[20]' CPU: 1 UID: 0 PID: 5469 Comm: syz.1.37 Not tainted 6.11.0-syzkaller-12113-ge7ed34365879 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 ubsan_epilogue lib/ubsan.c:231 [inline] __ubsan_handle_out_of_bounds+0x121/0x150 lib/ubsan.c:429 dtInsertEntry+0x174e/0x1780 fs/jfs/jfs_dtree.c:3632 dtSplitPage+0x2d99/0x3ed0 fs/jfs/jfs_dtree.c:1595 dtSplitUp fs/jfs/jfs_dtree.c:1091 [inline] dtInsert+0x14bd/0x6c10 fs/jfs/jfs_dtree.c:870 jfs_create+0x7ba/0xbb0 fs/jfs/namei.c:137 lookup_open fs/namei.c:3595 [inline] open_last_lookups fs/namei.c:3694 [inline] path_openat+0x1c03/0x3590 fs/namei.c:3930 do_filp_open+0x235/0x490 fs/namei.c:3960 do_sys_openat2+0x13e/0x1d0 fs/open.c:1415 do_sys_open fs/open.c:1430 [inline] __do_sys_creat fs/open.c:1506 [inline] __se_sys_creat fs/open.c:1500 [inline] __x64_sys_creat+0x123/0x170 fs/open.c:1500 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f2c1f97dff9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f2c20746038 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 00007f2c1fb35f80 RCX: 00007f2c1f97dff9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000e00 RBP: 00007f2c1f9f0296 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f2c1fb35f80 R15: 00007ffdc44cf8d8 ---[ end trace ]--- --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup