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Bug #1092
closedHTTP: Memory Leak
Affected Versions:
Effort:
Difficulty:
Label:
Description
Version: Pulled from Github 1/25/2014. Advertised version is "Suricata 2.0dev (rev a77b9b3)"
Issue: Valgrind flags a memory leak coming from HTTP and/or libHTP. I'm not really confident on who is in charge of this memory:
==23665== 532 (152 direct, 380 indirect) bytes in 1 blocks are definitely lost in loss record 529 of 565 ==23665== at 0x4C2CD7B: malloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so) ==23665== by 0x4415DB: HTPMalloc (app-layer-htp-mem.c:106) ==23665== by 0x43CD04: HTPCallbackResponseHeaderData (app-layer-htp.c:2099) ==23665== by 0x4031C39: htp_hook_run_all (htp_hooks.c:125) ==23665== by 0x4035C4B: htp_connp_res_receiver_send_data (htp_response.c:98) ==23665== by 0x4035CAA: htp_connp_res_receiver_finalize_clear (htp_response.c:116) ==23665== by 0x403AFFC: htp_tx_state_response_headers (htp_transaction.c:1088) ==23665== by 0x4036ED9: htp_connp_RES_BODY_DETERMINE (htp_response.c:627) ==23665== by 0x4037A9C: htp_connp_res_data (htp_response.c:980) ==23665== by 0x436956: HTPHandleResponseData (app-layer-htp.c:775) ==23665== by 0x44418A: AppLayerParserParse (app-layer-parser.c:778) ==23665== by 0x415D56: AppLayerHandleTCPData (app-layer.c:288)
How to recreate:
1. Make an unoptimized build of HTP / Suricata
2. Run like so:
valgrind --leak-check=full --trace-children=yes ./src/suricata -c ./suricata.yaml -r <attached pcap> -k none --runmode single -l ./output/
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