byte_extract_id var now a non-global de_ctx specific var

src/detect-byte-extract.c

@@ -89,8 +89,6 @@
 static pcre *parse_regex;
 static pcre_extra *parse_regex_study;
 
-int byte_extract_max_local_id = 0;
-
 int DetectByteExtractMatch(ThreadVars *, DetectEngineThreadCtx *,
                            Packet *, Signature *, SigMatch *);
 int DetectByteExtractSetup(DetectEngineCtx *, Signature *, char *);
@@ -568,8 +566,8 @@ int DetectByteExtractSetup(DetectEngineCtx *de_ctx, Signature *s, char *arg)
     } else {
         bed->local_id = ((DetectByteExtractData *)prev_bed_sm->ctx)->local_id + 1;
     }
-    if (bed->local_id > byte_extract_max_local_id)
-        byte_extract_max_local_id = bed->local_id;
+    if (bed->local_id > de_ctx->byte_extract_max_local_id)
+        de_ctx->byte_extract_max_local_id = bed->local_id;
 
     /* check bytetest modifiers against the signature alproto.  In case they conflict
      * chuck out invalid signature */

src/detect-byte-extract.h

@@ -59,9 +59,6 @@ typedef struct DetectByteExtractData_ {
 
 } DetectByteExtractData;
 
-/* the max local id used amongst all sigs */
-extern int byte_extract_max_local_id;
-
 void DetectByteExtractRegister(void);
 int DetectByteExtractSetup(DetectEngineCtx *, Signature *, char *);
 void DetectByteExtractFree(void *);

src/detect-engine.c

@@ -453,7 +453,7 @@ TmEcode DetectEngineThreadCtxInit(ThreadVars *tv, void *initdata, void **data) {
     /* this detection engine context belongs to this thread instance */
     det_ctx->tv = tv;
 
-    det_ctx->bj_values = SCMalloc(sizeof(*det_ctx->bj_values) * (byte_extract_max_local_id + 1));
+    det_ctx->bj_values = SCMalloc(sizeof(*det_ctx->bj_values) * de_ctx->byte_extract_max_local_id);
     if (det_ctx->bj_values == NULL) {
         return TM_ECODE_FAILED;
     }

src/detect.h

@@ -656,6 +656,9 @@ typedef struct DetectEngineCtx_ {
     int32_t sgh_mpm_context_huad;
     int32_t sgh_mpm_context_app_proto_detect;
 
+    /* the max local id used amongst all sigs */
+    int32_t byte_extract_max_local_id;
+
     /** sgh for signatures that match against invalid packets. In those cases
      *  we can't lookup by proto, address, port as we don't have these */
     struct SigGroupHead_ *decoder_event_sgh;