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Add more friendly output during fuzzer found test cases

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This commit is contained in:
philip
2017-01-23 21:57:35 -05:00
parent 53c22dc32f
commit 713fd68203
1 changed files with 22 additions and 8 deletions
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src/test/test_bugreports.c
+22 -8
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@@ -591,7 +591,7 @@ TEST(temporal_fd_cache) {
return TEST_RES_OK;
} TEST_END
static int run_fuzz_test(FILE *f, int maxfds) {
static int run_fuzz_test(FILE *f, int maxfds, int debuglog) {
// There are a bunch of arbitrary constants in this test case. Changing them will
// almost certainly change the effets of an input file. It *may* be worth
// making some of these constants to come from the input file.
@@ -632,6 +632,7 @@ static int run_fuzz_test(FILE *f, int maxfds) {
buff[i] = i * 19;
}
#define LOGOP if (debuglog) printf
while ((c = fgetc(f)) >= 0) {
int add;
@@ -647,9 +648,11 @@ static int run_fuzz_test(FILE *f, int maxfds) {
switch(c) {
case 'O':
if (fd[fdn] >= 0) {
LOGOP(" close(%d)\n", fd[fdn]);
SPIFFS_close(FS, fd[fdn]);
}
fd[fdn] = SPIFFS_open(FS, filename[(arg>>3) & 7], modes[arg & 7], 0);
LOGOP(" open(\"%s\", 0x%x) -> %d\n", filename[(arg>>3) & 7], modes[arg & 7], fd[fdn]);
break;
case 'S':
@@ -659,24 +662,28 @@ static int run_fuzz_test(FILE *f, int maxfds) {
offset = -offset;
}
int whence = (arg & 63) % 3;
LOGOP(" lseek(%d, %d, %d)\n", fd[fdn], offset, whence);
SPIFFS_lseek(FS, fd[fdn], offset, whence);
}
break;
case 'R':
if (fd[fdn] >= 0) {
SPIFFS_read(FS, fd[fdn], rbuff, (15 << (arg & 7)) + (arg & 127));
int rlen = SPIFFS_read(FS, fd[fdn], rbuff, (15 << (arg & 7)) + (arg & 127));
LOGOP(" read(%d, , %d) -> %d\n", fd[fdn], (15 << (arg & 7)) + (arg & 127), rlen);
}
break;
case 'W':
if (fd[fdn] >= 0) {
int rc = SPIFFS_write(FS, fd[fdn], buff, (15 << (arg & 7)) + (arg & 127));
LOGOP(" write(%d, , %d) -> %d\n", fd[fdn], (15 << (arg & 7)) + (arg & 127), rc);
}
break;
case 'C':
if (fd[fdn] >= 0) {
LOGOP(" close(%d)\n", fd[fdn]);
SPIFFS_close(FS, fd[fdn]);
}
fd[fdn] = -1;
@@ -691,21 +698,25 @@ static int run_fuzz_test(FILE *f, int maxfds) {
case 'f':
if (fd[fdn] >= 0) {
LOGOP(" fflush(%d)\n", fd[fdn]);
SPIFFS_fflush(FS, fd[fdn]);
}
break;
case 'D':
if (fd[fdn] >= 0) {
LOGOP(" fremove(%d)\n", fd[fdn]);
SPIFFS_fremove(FS, fd[fdn]);
}
break;
case 'd':
LOGOP(" remove(\"%s\")\n", filename[arg & 7]);
SPIFFS_remove(FS, filename[arg & 7]);
break;
case 'r':
LOGOP(" rename(\"%s\", \"%s\")\n", filename[arg & 7], filename[(arg >> 3) & 7]);
SPIFFS_rename(FS, filename[arg & 7], filename[(arg >> 3) & 7]);
break;
@@ -721,10 +732,12 @@ static int run_fuzz_test(FILE *f, int maxfds) {
fs_mount_dump(tmpfile, 0, 0, blocks * block_size, erase_size, block_size, page_size);
unlink(tmpfile);
free(tmpfile);
LOGOP(" unmount and remount\n");
}
break;
case 'c':
LOGOP(" check()\n");
SPIFFS_check(FS);
ungetc(arg, f);
break;
@@ -737,6 +750,7 @@ static int run_fuzz_test(FILE *f, int maxfds) {
for (i = 0; i < 4; i++) {
if (fd[i] >= 0) {
LOGOP(" close(%d)\n", fd[i]);
SPIFFS_close(FS, fd[i]);
}
}
@@ -747,31 +761,31 @@ static int run_fuzz_test(FILE *f, int maxfds) {
#define FMEMARGS(x) x, sizeof(x) - 1
TEST(fuzzer_found_1) {
return run_fuzz_test(fmemopen(FMEMARGS("\021OlWkd5O4W4W0O5OlWkO5OlW0O5O4W0"), "r"), 4);
return run_fuzz_test(fmemopen(FMEMARGS("\021OlWkd5O4W4W0O5OlWkO5OlW0O5O4W0"), "r"), 4, 1);
} TEST_END
TEST(fuzzer_found_2) {
return run_fuzz_test(fmemopen(FMEMARGS("bO4W6W0d\036O4W6"), "r"), 4);
return run_fuzz_test(fmemopen(FMEMARGS("bO4W6W0d\036O4W6"), "r"), 4, 1);
} TEST_END
TEST(fuzzer_found_3) {
return run_fuzz_test(fmemopen(FMEMARGS("\264O4OqWeWWWWW@O4WWW\027"), "r"), 4);
return run_fuzz_test(fmemopen(FMEMARGS("\264O4OqWeWWWWW@O4WWW\027"), "r"), 4, 1);
} TEST_END
TEST(fuzzer_found_single_1) {
return run_fuzz_test(fmemopen(FMEMARGS("\000O\004Odr4d\356Okr0WWUO;WWWWd\035W4"), "r"), 1);
return run_fuzz_test(fmemopen(FMEMARGS("\000O\004Odr4d\356Okr0WWUO;WWWWd\035W4"), "r"), 1, 1);
} TEST_END
TEST(afl_test) {
u32_t old_val = set_abort_on_error(1);
int rc = run_fuzz_test(stdin, 4);
int rc = run_fuzz_test(stdin, 4, 0);
set_abort_on_error(old_val);
return rc;
} TEST_END
TEST(afl_single) {
u32_t old_val = set_abort_on_error(1);
int rc = run_fuzz_test(stdin, 1);
int rc = run_fuzz_test(stdin, 1, 0);
set_abort_on_error(old_val);
return rc;
} TEST_END