diff options
author | Namjae Jeon <linkinjeon@kernel.org> | 2022-01-30 18:31:01 +0900 |
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committer | Steve French <stfrench@microsoft.com> | 2022-02-04 00:12:22 -0600 |
commit | 04e260948a160d3b7d622bf4c8a96fa4577c09bd (patch) | |
tree | 058960c6cad452f40026442df0265681a79bdd53 /fs/ksmbd/smb2pdu.c | |
parent | 97550c7478a2da93e348d8c3075d92cddd473a78 (diff) | |
download | linux-04e260948a160d3b7d622bf4c8a96fa4577c09bd.tar.bz2 |
ksmbd: don't align last entry offset in smb2 query directory
When checking smb2 query directory packets from other servers,
OutputBufferLength is different with ksmbd. Other servers add an unaligned
next offset to OutputBufferLength for the last entry.
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
Diffstat (limited to 'fs/ksmbd/smb2pdu.c')
-rw-r--r-- | fs/ksmbd/smb2pdu.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/fs/ksmbd/smb2pdu.c b/fs/ksmbd/smb2pdu.c index 6806994383d9..67e8e28e3fc3 100644 --- a/fs/ksmbd/smb2pdu.c +++ b/fs/ksmbd/smb2pdu.c @@ -3422,9 +3422,9 @@ static int smb2_populate_readdir_entry(struct ksmbd_conn *conn, int info_level, goto free_conv_name; } - struct_sz = readdir_info_level_struct_sz(info_level); - next_entry_offset = ALIGN(struct_sz - 1 + conv_len, - KSMBD_DIR_INFO_ALIGNMENT); + struct_sz = readdir_info_level_struct_sz(info_level) - 1 + conv_len; + next_entry_offset = ALIGN(struct_sz, KSMBD_DIR_INFO_ALIGNMENT); + d_info->last_entry_off_align = next_entry_offset - struct_sz; if (next_entry_offset > d_info->out_buf_len) { d_info->out_buf_len = 0; @@ -3976,6 +3976,7 @@ int smb2_query_dir(struct ksmbd_work *work) ((struct file_directory_info *) ((char *)rsp->Buffer + d_info.last_entry_offset)) ->NextEntryOffset = 0; + d_info.data_count -= d_info.last_entry_off_align; rsp->StructureSize = cpu_to_le16(9); rsp->OutputBufferOffset = cpu_to_le16(72); |