Commits on Jul 15, 2023

1. HTTP: fix another memory access error …

   ```
   =================================================================
   ==199079==ERROR: AddressSanitizer: negative-size-param: (size=-1)
       #0 0x559a2a6efd4f in strncpy (/home/ivan/svnrepos/nDPI/fuzz/fuzz_ndpi_reader+0x94ad4f) (BuildId: 34aaabba403c6bc5482553ef355360fd2762a157)
       ntop#1 0x559a2a9890f0 in ndpi_http_check_content /home/ivan/svnrepos/nDPI/src/lib/protocols/http.c:300:8
       ntop#2 0x559a2a9812c0 in check_content_type_and_change_protocol /home/ivan/svnrepos/nDPI/src/lib/protocols/http.c:910:46
       ntop#3 0x559a2a978fee in process_response /home/ivan/svnrepos/nDPI/src/lib/protocols/http.c:1289:3
       ntop#4 0x559a2a97622f in ndpi_check_http_tcp /home/ivan/svnrepos/nDPI/src/lib/protocols/http.c:1382:9
       ntop#5 0x559a2a975d95 in ndpi_search_http_tcp /home/ivan/svnrepos/nDPI/src/lib/protocols/http.c:1468:3
       ntop#6 0x559a2a864970 in check_ndpi_detection_func /home/ivan/svnrepos/nDPI/src/lib/ndpi_main.c:5948:4
       ntop#7 0x559a2a8660df in check_ndpi_tcp_flow_func /home/ivan/svnrepos/nDPI/src/lib/ndpi_main.c:6013:12
       ntop#8 0x559a2a865d7f in ndpi_check_flow_func /home/ivan/svnrepos/nDPI/src/lib/ndpi_main.c:6032:12
       ntop#9 0x559a2a876fd6 in ndpi_internal_detection_process_packet /home/ivan/svnrepos/nDPI/src/lib/ndpi_main.c:7038:15
       ntop#10 0x559a2a87311f in ndpi_detection_process_packet /home/ivan/svnrepos/nDPI/src/lib/ndpi_main.c:7205:22
       ntop#11 0x559a2a77381e in packet_processing /home/ivan/svnrepos/nDPI/fuzz/../example/reader_util.c:1710:31
       ntop#12 0x559a2a77381e in ndpi_workflow_process_packet /home/ivan/svnrepos/nDPI/fuzz/../example/reader_util.c:2427:10
   [...]
   ```
   
   Found by oss-fuzz
   See: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=60605

   

   IvanNardi committed Jul 15, 2023
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