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Overview
Comment: | Fix the ossfuzz.c test module so that it does not segfault after a "PRAGMA empty_result_callbacks=1;". Add the ossshell.c program for simple command-line testing of ossfuzz.c. |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | trunk |
Files: | files | file ages | folders |
SHA1: |
6f2d43eca68175ed28abae3afa792095 |
User & Date: | drh 2016-11-14 17:25:57.150 |
Context
2016-11-14
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18:27 | Enhance fuzzcheck.c to accept database-specific configuration parameters in the option CONFIG table. Add the fuzzdata5.db fuzz database containing test cases from OSS-FUZZ. (check-in: a71fad4538 user: drh tags: trunk) | |
17:25 | Fix the ossfuzz.c test module so that it does not segfault after a "PRAGMA empty_result_callbacks=1;". Add the ossshell.c program for simple command-line testing of ossfuzz.c. (check-in: 6f2d43eca6 user: drh tags: trunk) | |
15:28 | Avoid unnecessary calls to sqlite3ExprCacheAffinityChange() when generating OP_MakeRecord opcodes that do not change any register affinities. (check-in: e211c579b2 user: drh tags: trunk) | |
Changes
Changes to main.mk.
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511 512 513 514 515 516 517 518 519 520 521 522 523 524 | $(FUZZERSHELL_OPT) $(TOP)/tool/fuzzershell.c sqlite3.c \ $(TLIBS) $(THREADLIB) fuzzcheck$(EXE): $(TOP)/test/fuzzcheck.c sqlite3.c sqlite3.h $(TOP)/test/ossfuzz.c $(TCCX) -o fuzzcheck$(EXE) -DSQLITE_THREADSAFE=0 -DSQLITE_OMIT_LOAD_EXTENSION \ -DSQLITE_ENABLE_MEMSYS5 $(FUZZCHECK_OPT) -DSQLITE_OSS_FUZZ \ $(TOP)/test/fuzzcheck.c $(TOP)/test/ossfuzz.c sqlite3.c $(TLIBS) $(THREADLIB) mptester$(EXE): sqlite3.c $(TOP)/mptest/mptest.c $(TCCX) -o $@ -I. $(TOP)/mptest/mptest.c sqlite3.c \ $(TLIBS) $(THREADLIB) MPTEST1=./mptester$(EXE) mptest1.db $(TOP)/mptest/crash01.test --repeat 20 MPTEST2=./mptester$(EXE) mptest2.db $(TOP)/mptest/multiwrite01.test --repeat 20 | > > > > > | 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 | $(FUZZERSHELL_OPT) $(TOP)/tool/fuzzershell.c sqlite3.c \ $(TLIBS) $(THREADLIB) fuzzcheck$(EXE): $(TOP)/test/fuzzcheck.c sqlite3.c sqlite3.h $(TOP)/test/ossfuzz.c $(TCCX) -o fuzzcheck$(EXE) -DSQLITE_THREADSAFE=0 -DSQLITE_OMIT_LOAD_EXTENSION \ -DSQLITE_ENABLE_MEMSYS5 $(FUZZCHECK_OPT) -DSQLITE_OSS_FUZZ \ $(TOP)/test/fuzzcheck.c $(TOP)/test/ossfuzz.c sqlite3.c $(TLIBS) $(THREADLIB) ossshell$(EXE): $(TOP)/test/ossfuzz.c $(TOP)/test/ossshell.c sqlite3.c sqlite3.h $(TCCX) -o ossshell$(EXE) -DSQLITE_THREADSAFE=0 -DSQLITE_OMIT_LOAD_EXTENSION \ -DSQLITE_ENABLE_MEMSYS5 $(FUZZCHECK_OPT) \ $(TOP)/test/ossfuzz.c $(TOP)/test/ossshell.c sqlite3.c $(TLIBS) $(THREADLIB) mptester$(EXE): sqlite3.c $(TOP)/mptest/mptest.c $(TCCX) -o $@ -I. $(TOP)/mptest/mptest.c sqlite3.c \ $(TLIBS) $(THREADLIB) MPTEST1=./mptester$(EXE) mptest1.db $(TOP)/mptest/crash01.test --repeat 20 MPTEST2=./mptester$(EXE) mptest2.db $(TOP)/mptest/multiwrite01.test --repeat 20 |
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Changes to test/ossfuzz.c.
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14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 | } /* ** Callback for sqlite3_exec(). */ static int exec_handler(void *pCnt, int argc, char **argv, char **namev){ int i; for(i=0; i<argc; i++) sqlite3_free(sqlite3_mprintf("%s", argv[i])); return ((*(int*)pCnt)--)<=0; } /* ** Main entry point. The fuzzer invokes this function with each ** fuzzed input. */ | > > | 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | } /* ** Callback for sqlite3_exec(). */ static int exec_handler(void *pCnt, int argc, char **argv, char **namev){ int i; if( argv ){ for(i=0; i<argc; i++) sqlite3_free(sqlite3_mprintf("%s", argv[i])); } return ((*(int*)pCnt)--)<=0; } /* ** Main entry point. The fuzzer invokes this function with each ** fuzzed input. */ |
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Added test/ossshell.c.
> > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 | /* ** This is a test interface for the ossfuzz.c module. The ossfuzz.c module ** is an adaptor for OSS-FUZZ. (https://github.com/google/oss-fuzz) ** ** This program links against ossfuzz.c. It reads files named on the ** command line and passes them one by one into ossfuzz.c. */ #include <stddef.h> #include <stdint.h> #include <stdio.h> #include <stdlib.h> #include "sqlite3.h" /* ** The entry point in ossfuzz.c that this routine will be calling */ int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size); /* ** Read files named on the command-line and invoke the fuzzer for ** each one. */ int main(int argc, char **argv){ FILE *in; int i; int nErr = 0; uint8_t *zBuf = 0; size_t sz; for(i=1; i<argc; i++){ const char *zFilename = argv[i]; in = fopen(zFilename, "rb"); if( in==0 ){ fprintf(stderr, "cannot open \"%s\"\n", zFilename); nErr++; continue; } fseek(in, 0, SEEK_END); sz = ftell(in); rewind(in); zBuf = realloc(zBuf, sz); if( zBuf==0 ){ fprintf(stderr, "cannot malloc() for %d bytes\n", (int)sz); exit(1); } if( fread(zBuf, sz, 1, in)!=1 ){ fprintf(stderr, "cannot read %d bytes from \"%s\"\n", (int)sz, zFilename); nErr++; }else{ printf("%s... ", zFilename); fflush(stdout); (void)LLVMFuzzerTestOneInput(zBuf, sz); printf("ok\n"); } fclose(in); } free(zBuf); return nErr; } |
Changes to tool/fuzzershell.c.
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191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 | /* ** This callback is invoked by sqlite3_exec() to return query results. */ static int execCallback(void *NotUsed, int argc, char **argv, char **colv){ int i; static unsigned cnt = 0; printf("ROW #%u:\n", ++cnt); for(i=0; i<argc; i++){ printf(" %s=", colv[i]); if( argv[i] ){ printf("[%s]\n", argv[i]); }else{ printf("NULL\n"); } } fflush(stdout); return 0; } static int execNoop(void *NotUsed, int argc, char **argv, char **colv){ return 0; } | > > | 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 | /* ** This callback is invoked by sqlite3_exec() to return query results. */ static int execCallback(void *NotUsed, int argc, char **argv, char **colv){ int i; static unsigned cnt = 0; printf("ROW #%u:\n", ++cnt); if( argv ){ for(i=0; i<argc; i++){ printf(" %s=", colv[i]); if( argv[i] ){ printf("[%s]\n", argv[i]); }else{ printf("NULL\n"); } } } fflush(stdout); return 0; } static int execNoop(void *NotUsed, int argc, char **argv, char **colv){ return 0; } |
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