[postgis-tickets] [PostGIS] #4544: wkb_import_fuzzer: Direct-leak in lwtriangle_construct_empty

[PostGIS]

#4544: wkb_import_fuzzer: Direct-leak in lwtriangle_construct_empty
---------------------+---------------------------
 Reporter:  komzpa   |      Owner:  pramsey
     Type:  defect   |     Status:  new
 Priority:  medium   |  Milestone:  PostGIS 3.0.1
Component:  postgis  |    Version:  3.0.x
 Keywords:           |
---------------------+---------------------------
 {{{
         ==1==ERROR: LeakSanitizer: detected memory leaks
 Direct leak of 24 byte(s) in 1 object(s) allocated from:
     #0 0x49692d in malloc /src/llvm/projects/compiler-
 rt/lib/asan/asan_malloc_linux.cpp:145:3
     #1 0x603725 in lwtriangle_construct_empty
 /src/postgis/liblwgeom/lwtriangle.c:60:23
     #2 0x61197c in lwtriangle_from_wkb_state
 /src/postgis/liblwgeom/lwin_wkb.c:592:20
     #3 0x611f67 in lwcollection_from_wkb_state
 /src/postgis/liblwgeom/lwin_wkb.c:693:10
     #4 0x61220a in lwgeom_from_wkb /src/postgis/liblwgeom/lwin_wkb.c:833:9
     #5 0x4c9d2d in LLVMFuzzerTestOneInput
 /src/postgis/fuzzers/wkb_import_fuzzer.cpp:116:22
     #6 0x51a546 in fuzzer::Fuzzer::ExecuteCallback(unsigned char const*,
 unsigned long) /src/libfuzzer/FuzzerLoop.cpp:556:15
     #7 0x4cb08f in fuzzer::RunOneTest(fuzzer::Fuzzer*, char const*,
 unsigned long) /src/libfuzzer/FuzzerDriver.cpp:292:6
     #8 0x4d8cf2 in fuzzer::FuzzerDriver(int*, char***, int (*)(unsigned
 char const*, unsigned long)) /src/libfuzzer/FuzzerDriver.cpp:774:9
     #9 0x4ca6d7 in main /src/libfuzzer/FuzzerMain.cpp:19:10
     #10 0x7f620290a82f in __libc_start_main /build/glibc-
 LK5gWL/glibc-2.23/csu/libc-start.c:291
 }}}


 https://oss-fuzz.com/testcase-detail/5689684272873472

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Ticket URL: <https://trac.osgeo.org/postgis/ticket/4544>
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