| Message ID | 20240805140840.1606239-3-hadess@hadess.net |
|---|---|
| State | New |
| Headers | show |
| Series | None | expand |
diff --git a/tools/isotest.c b/tools/isotest.c index 2cac0e49cc39..0805faa66e47 100644 --- a/tools/isotest.c +++ b/tools/isotest.c @@ -779,6 +779,8 @@ static int read_stream(int fd, ssize_t count) len = read(fd, buf + ret, count - ret); if (len < 0) return -errno; + if (len > SSIZE_MAX - ret) + return -EOVERFLOW; ret += len; usleep(1000);
Error: INTEGER_OVERFLOW (CWE-190): [#def20] [important] bluez-5.77/tools/isotest.c:778:2: tainted_data_argument: The check "ret < count" contains the tainted expression "ret" which causes "count" to be considered tainted. bluez-5.77/tools/isotest.c:779:3: overflow: The expression "count - ret" is deemed overflowed because at least one of its arguments has overflowed. bluez-5.77/tools/isotest.c:779:3: overflow_sink: "count - ret", which might have underflowed, is passed to "read(fd, buf + ret, count - ret)". [Note: The source code implementation of the function has been overridden by a builtin model.] 777| 778| while (ret < count) { 779|-> len = read(fd, buf + ret, count - ret); 780| if (len < 0) 781| return -errno; --- tools/isotest.c | 2 ++ 1 file changed, 2 insertions(+)