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authorSteve French <stfrench@microsoft.com>2021-05-15 16:52:22 +0200
committerSteve French <stfrench@microsoft.com>2021-05-19 17:10:58 +0200
commitc0d46717b95735b0eacfddbcca9df37a49de9c7a (patch)
tree566a551cbe4a042f7eff1413f04100e796b326cc /fs/cifs
parentcifs: remove deadstore in cifs_close_all_deferred_files() (diff)
downloadlinux-c0d46717b95735b0eacfddbcca9df37a49de9c7a.tar.xz
linux-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.c6
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)