diff options
| author | Max <msuraev@sysmocom.de> | 2016-11-07 14:49:13 +0100 |
|---|---|---|
| committer | Max <msuraev@sysmocom.de> | 2016-11-07 15:19:47 +0100 |
| commit | e9e5f8e4e9aa3fdce06d144381d9621552476387 (patch) | |
| tree | f1a11ee01ca8c3c7c7a58102f88edc051fc20c6d /src/codec | |
| parent | 8b25a3f5c38a9297f9213cb6e70b7599ba999fbe (diff) | |
Add null-pointer check to osmo_amr_rtp_dec()
Check that RTP payload we're about to decode is not NULL and return
proper error code instead of segfaulting. Add corresponding test case.
Change-Id: Ib6cda9900a41ed16bbfbde9df3de9d38e0a7469b
Diffstat (limited to 'src/codec')
| -rw-r--r-- | src/codec/gsm690.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/src/codec/gsm690.c b/src/codec/gsm690.c index 0f4bf8fe..c3cb9324 100644 --- a/src/codec/gsm690.c +++ b/src/codec/gsm690.c @@ -252,6 +252,9 @@ int osmo_amr_rtp_dec(const uint8_t *rtppayload, int payload_len, uint8_t *cmr, int8_t *cmi, enum osmo_amr_type *ft, enum osmo_amr_quality *bfi, int8_t *sti) { + if (payload_len < 2 || !rtppayload) + return -EINVAL; + /* RFC 4867 ยง 4.4.2 ToC - compound payloads are not supported: F = 0 */ uint8_t type = (rtppayload[1] >> 3) & 0xf; @@ -262,9 +265,6 @@ int osmo_amr_rtp_dec(const uint8_t *rtppayload, int payload_len, uint8_t *cmr, if (payload_len - 2 < amr_len_by_ft[type]) return -ENOTSUP; - if (payload_len < 2) - return -EINVAL; - if (ft) *ft = type; |