Commit cf9b94f8 authored by Dan Carpenter's avatar Dan Carpenter Committed by David S. Miller

irda: off by one

This is an off by one.  We would go past the end when we NUL terminate
the "value" string at end of the function.  The "value" buffer is
allocated in irlan_client_parse_response() or
irlan_provider_parse_command().

CC: stable@kernel.org
Signed-off-by: default avatarDan Carpenter <error27@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 89b12fab
...@@ -1102,7 +1102,7 @@ int irlan_extract_param(__u8 *buf, char *name, char *value, __u16 *len) ...@@ -1102,7 +1102,7 @@ int irlan_extract_param(__u8 *buf, char *name, char *value, __u16 *len)
memcpy(&val_len, buf+n, 2); /* To avoid alignment problems */ memcpy(&val_len, buf+n, 2); /* To avoid alignment problems */
le16_to_cpus(&val_len); n+=2; le16_to_cpus(&val_len); n+=2;
if (val_len > 1016) { if (val_len >= 1016) {
IRDA_DEBUG(2, "%s(), parameter length to long\n", __func__ ); IRDA_DEBUG(2, "%s(), parameter length to long\n", __func__ );
return -RSP_INVALID_COMMAND_FORMAT; return -RSP_INVALID_COMMAND_FORMAT;
} }
......
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