UTILS: inotify: avoid potential NULL deref #7248
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Fixes following error:
```
Error: STRING_NULL (CWE-170):
sssd-2.9.1/src/util/inotify.c:298: string_null_source: Function ""read"" does not terminate string ""ev_buf"". [Note: The source code implementation of the function has been overridden by a builtin model.]
sssd-2.9.1/src/util/inotify.c:316: var_assign_var: Assigning: ""ptr"" = ""ev_buf"". Both now point to the same unterminated string.
sssd-2.9.1/src/util/inotify.c:320: var_assign_var: Assigning: ""in_event"" = ""ptr"". Both now point to the same unterminated string.
sssd-2.9.1/src/util/inotify.c:327: string_null: Passing unterminated string ""in_event->name"" to ""process_dir_event"", which expects a null-terminated string.
# 325|
# 326| if (snctx->wctx->dir_wd == in_event->wd) {
# 327|-> ret = process_dir_event(snctx, in_event);
# 328| } else if (snctx->wctx->file_wd == in_event->wd) {
# 329| ret = process_file_event(snctx, in_event);
```
-- it might be unsafe to dereference `in_event->name`
if `in_event->len == 0`
sumit-bose
approved these changes
Mar 18, 2024
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Fixes following error:
-- it might be unsafe to dereference
in_event->nameif
in_event->len == 0