diff options
| author | Namjae Jeon <[email protected]> | 2021-09-24 00:17:30 +0000 |
|---|---|---|
| committer | Steve French <[email protected]> | 2021-10-06 05:23:00 +0000 |
| commit | 363999901116ffa9a5462215fef25ea9c7f2823c (patch) | |
| tree | 455be8212ffe20e9c6b7cac6de637e091feced15 /fs/ksmbd/smb_common.c | |
| parent | Linux 5.15-rc4 (diff) | |
| download | kernel-363999901116ffa9a5462215fef25ea9c7f2823c.tar.gz kernel-363999901116ffa9a5462215fef25ea9c7f2823c.zip | |
ksmbd: add the check to vaildate if stream protocol length exceeds maximum value
This patch add MAX_STREAM_PROT_LEN macro and check if stream protocol
length exceeds maximum value. opencode pdu size check in
ksmbd_pdu_size_has_room().
Cc: Tom Talpey <[email protected]>
Cc: Ronnie Sahlberg <[email protected]>
Cc: Ralph Böhme <[email protected]>
Acked-by: Hyunchul Lee <[email protected]>
Signed-off-by: Namjae Jeon <[email protected]>
Signed-off-by: Steve French <[email protected]>
Diffstat (limited to 'fs/ksmbd/smb_common.c')
| -rw-r--r-- | fs/ksmbd/smb_common.c | 6 |
1 files changed, 0 insertions, 6 deletions
diff --git a/fs/ksmbd/smb_common.c b/fs/ksmbd/smb_common.c index db8042a173d0..b6c4c7e960fa 100644 --- a/fs/ksmbd/smb_common.c +++ b/fs/ksmbd/smb_common.c @@ -21,7 +21,6 @@ static const char basechars[43] = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ_-!@#$%"; #define MAGIC_CHAR '~' #define PERIOD '.' #define mangle(V) ((char)(basechars[(V) % MANGLE_BASE])) -#define KSMBD_MIN_SUPPORTED_HEADER_SIZE (sizeof(struct smb2_hdr)) struct smb_protocol { int index; @@ -294,11 +293,6 @@ int ksmbd_init_smb_server(struct ksmbd_work *work) return 0; } -bool ksmbd_pdu_size_has_room(unsigned int pdu) -{ - return (pdu >= KSMBD_MIN_SUPPORTED_HEADER_SIZE - 4); -} - int ksmbd_populate_dot_dotdot_entries(struct ksmbd_work *work, int info_level, struct ksmbd_file *dir, struct ksmbd_dir_info *d_info, |