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SMB3: incorrect file id in requests compounded with open

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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>
This commit is contained in:
Steve French 2021-05-15 09:52:22 -05:00
parent 4236a26a6b
commit c0d46717b9
1 changed files with 3 additions and 3 deletions
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6
fs/cifs/smb2pdu.c
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@ -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)