circlecloud/tmux
1
0
Fork 0
mirror of https://github.com/tmux/tmux.git synced 2025-11-04 00:56:10 +00:00
Code Issues Projects Releases Wiki Activity

Do not dereference NULL environment variable value, GitHub issue 2304.

Browse Source
This commit is contained in:
nicm
2020-07-13 10:10:10 +00:00
parent f26b7b7788
commit 468be2a37f
1 changed files with 1 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
cmd-parse.y
View File

@@ -1432,7 +1432,7 @@ yylex_token_variable(char **buf, size_t *len)
name[namelen] = '\0'; name[namelen] = '\0';
envent = environ_find(global_environ, name); envent = environ_find(global_environ, name);
if (envent != NULL) { if (envent != NULL && envent->value != NULL) {
value = envent->value; value = envent->value;
log_debug("%s: %s -> %s", __func__, name, value); log_debug("%s: %s -> %s", __func__, name, value);
yylex_append(buf, len, value, strlen(value)); yylex_append(buf, len, value, strlen(value));