osmocom
/
wireshark
11
0
Fork 1
Code Issues Pull Requests Projects Releases Wiki Activity

lapdm: Fix reused fragment id reassembly 

Fixes #18676
This commit is contained in:
Matan Perelman 2022-11-22 12:23:49 +02:00 committed by Pascal Quantin
parent 26dda2ba78
commit 15b3deff27
1 changed files with 5 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
epan/dissectors/packet-lapdm.c
View File

@ -356,6 +356,11 @@ dissect_lapdm(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data)
if (!dissector_try_uint(lapdm_sapi_dissector_table, sapi,
reassembled, pinfo, tree))
call_data_dissector(reassembled, pinfo, tree);
if (!PINFO_FD_VISITED(pinfo)) {
/* If reassembling is done, allow fragment_id reuse */
wmem_map_remove(lapdm_last_n_s_map, GUINT_TO_POINTER(fragment_id));
}
}
else {
col_append_str(pinfo->cinfo, COL_INFO, " (Fragment)");