diff options
Diffstat (limited to 'fuzz/fuzz-wrapfd.c')
| -rw-r--r-- | fuzz/fuzz-wrapfd.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/fuzz/fuzz-wrapfd.c b/fuzz/fuzz-wrapfd.c index 1e2f4f6..784e79a 100644 --- a/fuzz/fuzz-wrapfd.c +++ b/fuzz/fuzz-wrapfd.c @@ -6,7 +6,8 @@ #include "fuzz.h" -#define IOWRAP_MAXFD (FD_SETSIZE-1) +// +100 might catch some limits... +#define IOWRAP_MAXFD (FD_SETSIZE-1 + 100) static const int MAX_RANDOM_IN = 50000; static const double CHANCE_CLOSE = 1.0 / 600; static const double CHANCE_INTR = 1.0 / 900; @@ -75,7 +76,14 @@ int wrapfd_new_dummy() { } int fd = dup(devnull_fd); - assert(fd != -1); + if (fd == -1) { + return -1; + } + if (fd > IOWRAP_MAXFD) { + close(fd); + errno = EMFILE; + return -1; + } assert(wrap_fds[fd].mode == UNUSED); wrap_fds[fd].mode = DUMMY; wrap_fds[fd].closein = 0; @@ -92,7 +100,7 @@ static void wrapfd_remove(int fd) { assert(fd <= IOWRAP_MAXFD); assert(wrap_fds[fd].mode != UNUSED); wrap_fds[fd].mode = UNUSED; - m_close(fd); + close(fd); } int wrapfd_close(int fd) { |