From: Jeongjun Park <aha310510@gmail.com>
To: syzbot+e84662c5f30b8c401437@syzkaller.appspotmail.com
Cc: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com
Subject: Re: [syzbot] [jffs2?] [nilfs?] KASAN: slab-use-after-free Read in jffs2_garbage_collect_pass
Date: Mon, 22 Apr 2024 14:29:11 +0900 [thread overview]
Message-ID: <20240422052911.140041-1-aha310510@gmail.com> (raw)
In-Reply-To: <00000000000032adb00615568aee@google.com>
please test slab-use-after-free Read in jffs2_garbage_collect_pass
#syz test git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
---
fs/jffs2/super.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/fs/jffs2/super.c b/fs/jffs2/super.c
index aede1be4dc0c..49bf8e11c11c 100644
--- a/fs/jffs2/super.c
+++ b/fs/jffs2/super.c
@@ -348,6 +348,7 @@ static void jffs2_kill_sb(struct super_block *sb)
jffs2_stop_garbage_collect_thread(c);
kill_mtd_super(sb);
kfree(c);
+ memset(&c, 0, sizeof(struct jffs2_sb_info));
}
static struct file_system_type jffs2_fs_type = {
--
2.34.1
next prev parent reply other threads:[~2024-04-22 5:29 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-05 10:01 syzbot
2024-04-05 12:01 ` syzbot
2024-04-22 5:10 ` Jeongjun Park
2024-04-22 5:23 ` syzbot
2024-04-22 5:29 ` Jeongjun Park [this message]
2024-04-22 5:46 ` syzbot
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