diff options
| author | Steve French <stfrench@microsoft.com> | 2021-05-15 09:52:22 -0500 |
|---|---|---|
| committer | Steve French <stfrench@microsoft.com> | 2021-05-19 10:10:58 -0500 |
| commit | c0d46717b95735b0eacfddbcca9df37a49de9c7a (patch) | |
| tree | 566a551cbe4a042f7eff1413f04100e796b326cc /fs/cifs | |
| parent | 4236a26a6b998c8c4fdc0117b8848a38789c48ae (diff) | |
| download | lwn-c0d46717b95735b0eacfddbcca9df37a49de9c7a.tar.gz lwn-c0d46717b95735b0eacfddbcca9df37a49de9c7a.zip | |
SMB3: incorrect file id in requests compounded with open
See MS-SMB2 3.2.4.1.4, file ids in compounded requests should be set to
0xFFFFFFFFFFFFFFFF (we were treating it as u32 not u64 and setting
it incorrectly).
Signed-off-by: Steve French <stfrench@microsoft.com>
Reported-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Shyam Prasad N <sprasad@microsoft.com>
Diffstat (limited to 'fs/cifs')
| -rw-r--r-- | fs/cifs/smb2pdu.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c index a8bf43184773..9f24eb88297a 100644 --- a/fs/cifs/smb2pdu.c +++ b/fs/cifs/smb2pdu.c @@ -3900,10 +3900,10 @@ smb2_new_read_req(void **buf, unsigned int *total_len, * Related requests use info from previous read request * in chain. */ - shdr->SessionId = 0xFFFFFFFF; + shdr->SessionId = 0xFFFFFFFFFFFFFFFF; shdr->TreeId = 0xFFFFFFFF; - req->PersistentFileId = 0xFFFFFFFF; - req->VolatileFileId = 0xFFFFFFFF; + req->PersistentFileId = 0xFFFFFFFFFFFFFFFF; + req->VolatileFileId = 0xFFFFFFFFFFFFFFFF; } } if (remaining_bytes > io_parms->length) |