linux-kernel - Re: [syzbot] [ntfs3?] UBSAN: array-index-out-of-bounds in decompress

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Message-ID: <000000000000273ff006205cc30b@google.com>
Date: Fri, 23 Aug 2024 10:04:03 -0700
From: syzbot <syzbot+39b2fb0f2638669008ec@...kaller.appspotmail.com>
To: almaz.alexandrovich@...agon-software.com, linux-kernel@...r.kernel.org, 
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [ntfs3?] UBSAN: array-index-out-of-bounds in decompress_lznt

Hello,

syzbot has tested the proposed patch but the reproducer is still triggering an issue:
SYZFAIL: NL802154_CMD_SET_SHORT_ADDR failed

2024/08/23 17:03:34 ignoring optional flag "sandboxArg"="0"
2024/08/23 17:03:35 parsed 1 programs
2024/08/23 17:03:35 [FATAL] failed to run ["./syz-executor" "setup" "fault" "binfmt_misc" "usb" "802154" "swap"]: exit status 67
mkdir(/syzcgroup) failed: 17
mount(binfmt_misc) failed: 16
SYZFAIL: NL802154_CMD_SET_SHORT_ADDR failed
 (errno 16: Device or resource busy)

Tested on:

commit:         7529036a fs/ntfs3: Rename ntfs3_setattr into ntfs_seta..
git tree:       https://github.com/Paragon-Software-Group/linux-ntfs3.git master
console output: https://syzkaller.appspot.com/x/log.txt?x=10e2bc7b980000
kernel config:  https://syzkaller.appspot.com/x/.config?x=500271480f7d801c
dashboard link: https://syzkaller.appspot.com/bug?extid=39b2fb0f2638669008ec
compiler:       Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40

Note: no patches were applied.