f2543c997b
Enable allocation testing for other fuzzers. Closes #4387 Closes https://github.com/postgis/postgis/pull/462 git-svn-id: http://svn.osgeo.org/postgis/trunk@17726 b70326c6-7e19-0410-871a-916f4a2858ee
121 lines
3.4 KiB
C++
121 lines
3.4 KiB
C++
/******************************************************************************
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*
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* Project: PostGIS
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* Purpose: Fuzzer
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* Author: Even Rouault, even.rouault at spatialys.com
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*
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******************************************************************************
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* Copyright (c) 2017, Even Rouault <even.rouault at spatialys.com>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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****************************************************************************/
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#include <assert.h>
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#include <stddef.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include <string.h>
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#include <setjmp.h>
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#include <set>
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extern "C"
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{
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#include "liblwgeom.h"
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#include "geos_stub.h"
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#include "proj_stub.h"
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}
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extern "C" int LLVMFuzzerInitialize(int* argc, char*** argv);
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// Keep active heap allocated memory corresponding to returns of allocator()
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// and reallocator()
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std::set<void*> oSetPointers;
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jmp_buf jmpBuf;
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extern "C"
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{
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static void *
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allocator(size_t size)
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{
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void *mem = malloc(size);
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oSetPointers.insert(mem);
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return mem;
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}
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static void
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freeor(void *mem)
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{
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oSetPointers.erase(mem);
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free(mem);
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}
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static void *
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reallocator(void *mem, size_t size)
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{
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oSetPointers.erase(mem);
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void *ret = realloc(mem, size);
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oSetPointers.insert(ret);
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return ret;
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}
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static void
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noticereporter(const char *, va_list )
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{
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}
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static void
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errorreporter(const char *, va_list )
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{
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// Cleanup any heap-allocated memory still active
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for(std::set<void*>::iterator oIter = oSetPointers.begin();
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oIter != oSetPointers.end(); ++oIter )
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{
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free(*oIter);
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}
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oSetPointers.clear();
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// Abort everything to jump to setjmp() call
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longjmp(jmpBuf, 1);
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}
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static void
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debuglogger(int, const char *, va_list)
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{
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}
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}
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int LLVMFuzzerInitialize(int* /*argc*/, char*** /*argv*/)
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{
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lwgeom_set_handlers(malloc, realloc, free, noticereporter, noticereporter);
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lwgeom_set_debuglogger(debuglogger);
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return 0;
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}
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extern "C" int LLVMFuzzerTestOneInput(const uint8_t *buf, size_t len);
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int LLVMFuzzerTestOneInput(const uint8_t *buf, size_t len)
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{
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if( setjmp(jmpBuf) )
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return 0;
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LWGEOM* lwgeom = lwgeom_from_wkb(buf, len, LW_PARSER_CHECK_NONE);
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lwgeom_free(lwgeom);
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//assert( oSetPointers.empty() );
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return 0;
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}
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