diff options
| author | Dario Lombardo <lomato@gmail.com> | 2022-01-18 11:43:08 +0100 |
|---|---|---|
| committer | A Wireshark GitLab Utility <gerald+gitlab-utility@wireshark.org> | 2022-01-19 13:22:01 +0000 |
| commit | f7b6ebcc042f114a4b89aae3df9955d380d2133a (patch) | |
| tree | d19dcdc5c6f44a8db827ee9a1d0569f809d8bee1 /epan/tvbuff.c | |
| parent | c6de71552aa322d96386ba86affc5599bdfc6503 (diff) | |
tvbuff: assert the called len is > 0.
This assert will notify the higher layers that the dissector needs
to be fixed. ieee1722 and zbee-zcl dissectors have been updated to
prevent such a call.
Ref: #17882.
Diffstat (limited to 'epan/tvbuff.c')
| -rw-r--r-- | epan/tvbuff.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/epan/tvbuff.c b/epan/tvbuff.c index bcf8a183ca..5dab307577 100644 --- a/epan/tvbuff.c +++ b/epan/tvbuff.c @@ -4318,6 +4318,7 @@ int tvb_get_token_len(tvbuff_t *tvb, const gint offset, int len, gint *next_offs gchar * tvb_bytes_to_str_punct(wmem_allocator_t *scope, tvbuff_t *tvb, const gint offset, const gint len, const gchar punct) { + DISSECTOR_ASSERT(len > 0); return bytes_to_str_punct(scope, ensure_contiguous(tvb, offset, len), len, punct); } |