diff options
| author | Pau Espin Pedrol <pespin@sysmocom.de> | 2018-04-11 20:14:08 +0200 |
|---|---|---|
| committer | Pau Espin Pedrol <pespin@sysmocom.de> | 2018-04-11 20:14:08 +0200 |
| commit | c62fc2d20f433117a123ec43862263c02013b460 (patch) | |
| tree | df6805a54c67bac1039b879cb8a0df30a335674e | |
| parent | 9fa0912e5b8c38bd4ea973cd7224a5a8b4b26c5f (diff) | |
msgb: msgb_pull: Abort when pulling more than avail size
Change-Id: I512ff2035ae7a929e6c96df82938cc1ddbcc4e2a
| -rw-r--r-- | include/osmocom/core/msgb.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/osmocom/core/msgb.h b/include/osmocom/core/msgb.h index a9831957..a8dc205b 100644 --- a/include/osmocom/core/msgb.h +++ b/include/osmocom/core/msgb.h @@ -331,6 +331,9 @@ static inline void msgb_push_u32(struct msgb *msg, uint32_t word) */ static inline unsigned char *msgb_pull(struct msgb *msgb, unsigned int len) { + if (msgb_length(msgb) < len) + MSGB_ABORT(msgb, "msgb too small to pull %u (len %u)\n", + len, msgb_length(msgb)); msgb->len -= len; return msgb->data += len; } |