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Merge pull request #2345 from kcwu/fix-leak-foreign

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fix memory leak in read_foreign_testcases
This commit is contained in:
van Hauser
2025-04-03 08:20:30 +02:00
committed by GitHub
parent 73ab495b5d 992349e48a
commit 735d647e48
1 changed files with 5 additions and 6 deletions
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9
src/afl-fuzz-init.c
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@ -567,6 +567,7 @@ void read_foreign_testcases(afl_state_t *afl, int first) {
} }
free(nl);
continue; continue;
} }
@ -593,6 +594,7 @@ void read_foreign_testcases(afl_state_t *afl, int first) {
if (unlikely(lstat(fn2, &st) || access(fn2, R_OK))) { if (unlikely(lstat(fn2, &st) || access(fn2, R_OK))) {
if (first) PFATAL("Unable to access '%s'", fn2); if (first) PFATAL("Unable to access '%s'", fn2);
ck_free(fn2);
continue; continue;
} }
@ -634,19 +636,16 @@ void read_foreign_testcases(afl_state_t *afl, int first) {
// as this could add duplicates of the startup input corpus // as this could add duplicates of the startup input corpus
int fd = open(fn2, O_RDONLY); int fd = open(fn2, O_RDONLY);
if (fd < 0) {
ck_free(fn2); ck_free(fn2);
continue;
} if (fd < 0) { continue; }
u8 fault; u8 fault;
u8 *mem = mmap(0, st.st_size, PROT_READ, MAP_PRIVATE, fd, 0); u8 *mem = mmap(0, st.st_size, PROT_READ, MAP_PRIVATE, fd, 0);
if (mem == MAP_FAILED) { if (mem == MAP_FAILED) {
ck_free(fn2); close(fd);
continue; continue;
} }