From: syzbot <syzbot+662f87a8ef490f45fa64@syzkaller.appspotmail.com>
To: linux-kernel@vger.kernel.org
Subject: Re: [syzbot] [PATCH] Test np in autofs_fill_super
Date: Mon, 13 Nov 2023 18:17:59 -0800 [thread overview]
Message-ID: <000000000000437473060a1365b7@google.com> (raw)
In-Reply-To: <000000000000ae5995060a125650@google.com>
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Subject: [PATCH] Test np in autofs_fill_super
Author: eadavis@qq.com
please test null ptr in autofs_fill_super
#syz test https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 4bbdb725a36b
diff --git a/fs/autofs/inode.c b/fs/autofs/inode.c
index a5083d447a62..f2e89a444edf 100644
--- a/fs/autofs/inode.c
+++ b/fs/autofs/inode.c
@@ -331,6 +331,9 @@ static int autofs_fill_super(struct super_block *s, struct fs_context *fc)
goto fail;
root_inode = autofs_get_inode(s, S_IFDIR | 0755);
+ if (!root_inode)
+ goto fail;
+
root_inode->i_uid = ctx->uid;
root_inode->i_gid = ctx->gid;
next prev parent reply other threads:[~2023-11-14 2:18 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-14 1:02 [syzbot] [autofs?] general protection fault in autofs_fill_super syzbot
2023-11-14 2:17 ` syzbot [this message]
[not found] ` <tencent_3744B76B9760E6DA33798369C96563B2C405@qq.com>
2023-11-14 4:25 ` [PATCH] autofs: fix null deref " Ian Kent
2023-11-14 4:41 ` Al Viro
2023-11-14 8:30 ` Ian Kent
2023-11-14 15:26 ` Al Viro
2023-11-15 0:18 ` Ian Kent
2023-11-15 0:35 ` Al Viro
2023-11-15 1:06 ` Ian Kent
2023-11-16 9:51 ` [syzbot] [autofs?] general protection fault " syzbot
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