Add BUG_ON to avoid overruning AppLayerDetectDirection map array

13 years ago · 7511fa67cd
parent 9376967e65
commit 7511fa67cd
1 changed files with 1 additions and 0 deletions
--- a/src/app-layer-detect-proto.c
+++ b/src/app-layer-detect-proto.c
@ -226,6 +226,7 @@ void AlpProtoAdd(AlpProtoDetectCtx *ctx, uint16_t ip_proto, uint16_t al_proto, c

    mpm_table[dir->mpm_ctx.mpm_type].AddPattern(&dir->mpm_ctx, cd->content, cd->content_len,
                                cd->offset, cd->depth, cd->id, cd->id, 0);
+    BUG_ON(dir->id == ALP_DETECT_MAX);
    dir->map[dir->id] = al_proto;
    dir->id++;