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smb/client: fix buffer size for smb311_posix_qinfo in SMB311_posix_query_info()

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[ Upstream commit 9621b996e4 ]

SMB311_posix_query_info() is currently unused, but it may still be used in
some stable versions, so these changes are submitted as a separate patch.

Use `sizeof(struct smb311_posix_qinfo)` instead of sizeof its pointer,
so the allocated buffer matches the actual struct size.

Fixes: b1bc1874b8 ("smb311: Add support for SMB311 query info (non-compounded)")
Reported-by: ChenXiaoSong <chenxiaosong@kylinos.cn>
Signed-off-by: ZhangGuoDong <zhangguodong@kylinos.cn>
Reviewed-by: ChenXiaoSong <chenxiaosong@kylinos.cn>
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
ZhangGuoDong
2026-03-25 11:05:41 +01:00
committed by Greg Kroah-Hartman
parent 99acd1ea34
commit db93ff008d
1 changed files with 1 additions and 1 deletions
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fs/smb/client/smb2pdu.c
+1 -1
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@@ -3927,7 +3927,7 @@ int
SMB311_posix_query_info(const unsigned int xid, struct cifs_tcon *tcon,
u64 persistent_fid, u64 volatile_fid, struct smb311_posix_qinfo *data, u32 *plen)
{
size_t output_len = sizeof(struct smb311_posix_qinfo *) +
size_t output_len = sizeof(struct smb311_posix_qinfo) +
(sizeof(struct smb_sid) * 2) + (PATH_MAX * 2);
*plen = 0;