bug#65269: Possible null pointer dereference on the function cycle_check in rm

[Paul Eggert]

On 2023-08-14 00:05, Haoxin Tu wrote:
> if the function `fts_read` get a return value of
> NULL and the malloc from `fts->fts_cycle.state = malloc (sizeof
> *fts->fts_cycle.state)` (Line 62 in fts_cycle.c) is NULL, the pointer
> `fts->fts_cycle.state` will still keep 0 before the free operation `free
> (sp->fts_cycle.state);` (Line 159 in fts_cycle.c), leading to free of
> invalid address.

I don't see a problem, since 'free (0)' is valid and does nothing.