From: syzbot <syzbot+fa88eb476e42878f2844@syzkaller.appspotmail.com>
To: linux-kernel@vger.kernel.org, purvayeshi550@gmail.com,
syzkaller-bugs@googlegroups.com
Subject: Re: [syzbot] [fs?] KASAN: use-after-free Read in hpfs_get_ea
Date: Sun, 20 Jul 2025 00:12:02 -0700 [thread overview]
Message-ID: <687c96c2.a70a0220.693ce.00b4.GAE@google.com> (raw)
In-Reply-To: <CAMp3bLXKFqL5nkRkTVBNOKv968bK61yAT=b1wkoz+SZqtk0yiQ@mail.gmail.com>
Hello,
syzbot tried to test the proposed patch but the build/boot failed:
fs/hpfs/ea.c:139:54: error: no member named 'ea_off' in 'struct fnode'
fs/hpfs/ea.c:139:70: error: no member named 'ea_size' in 'struct fnode'
fs/hpfs/ea.c:140:41: error: no member named 'name_len' in 'struct extended_attribute'; did you mean 'namelen'?
fs/hpfs/ea.c:143:57: error: no member named 'ea_off' in 'struct fnode'
fs/hpfs/ea.c:143:73: error: no member named 'ea_size' in 'struct fnode'
fs/hpfs/ea.c:146:17: error: no member named 'name_len' in 'struct extended_attribute'; did you mean 'namelen'?
fs/hpfs/ea.c:149:56: error: no member named 'ea_off' in 'struct fnode'
fs/hpfs/ea.c:149:72: error: no member named 'ea_size' in 'struct fnode'
fs/hpfs/ea.c:152:11: error: no member named 'name_len' in 'struct extended_attribute'
fs/hpfs/ea.c:152:23: error: use of undeclared identifier 'aname'
fs/hpfs/ea.c:152:55: error: use of undeclared identifier 'aname'
fs/hpfs/ea.c:153:12: error: no member named 'type' in 'struct extended_attribute'
fs/hpfs/ea.c:154:27: error: no member named 'size' in 'struct extended_attribute'
fs/hpfs/ea.c:154:6: error: use of undeclared identifier 'buffer'
fs/hpfs/ea.c:155:11: error: use of undeclared identifier 'buffer'
fs/hpfs/ea.c:156:13: error: incompatible integer to pointer conversion returning 'int' from a function with result type 'char *' [-Wint-conversion]
fs/hpfs/ea.c:157:50: error: no member named 'size' in 'struct extended_attribute'
Tested on:
commit: f4a40a42 Merge tag 'efi-fixes-for-v6.16-2' of git://gi..
git tree: upstream
kernel config: https://syzkaller.appspot.com/x/.config?x=f09d04131ef56b22
dashboard link: https://syzkaller.appspot.com/bug?extid=fa88eb476e42878f2844
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
patch: https://syzkaller.appspot.com/x/patch.diff?x=13b084f0580000
next parent reply other threads:[~2025-07-20 7:12 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CAMp3bLXKFqL5nkRkTVBNOKv968bK61yAT=b1wkoz+SZqtk0yiQ@mail.gmail.com>
2025-07-20 7:12 ` syzbot [this message]
2025-07-20 12:34 [PATCH] hpfs: add checks for ea addresses Antoni Pokusinski
2025-07-20 13:49 ` [syzbot] [fs?] KASAN: use-after-free Read in hpfs_get_ea syzbot
[not found] <CAMp3bLWE1Q17He7mzu8S-VTe9Sackn8YryD6L0msjyPpifmyBg@mail.gmail.com>
2025-07-20 7:49 ` syzbot
[not found] <CAMp3bLVwzu1F+BAYf=UbNXqDq-8H6NjtxUXe+ChNO9_bu7tN8g@mail.gmail.com>
2025-07-19 8:21 ` syzbot
[not found] <8b62af1c-64f0-4742-a96b-34d23635c089n@googlegroups.com>
2025-07-19 1:19 ` syzbot
[not found] <62d528e9-2414-4e50-8e3f-c4cac3526858n@googlegroups.com>
2025-07-18 13:27 ` syzbot
[not found] <df725c07-3ee4-477d-b4d6-21fb4afc61a8n@googlegroups.com>
2025-07-18 12:40 ` syzbot
-- strict thread matches above, loose matches on Subject: below --
2025-07-17 19:14 syzbot
2025-10-14 11:12 ` Tetsuo Handa
2025-10-14 12:23 ` syzbot
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