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libctf: avoid potential double free

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* ctf-link.c (ctf_link_add_cu_mapping): Set t NULL after free.
This commit is contained in:
Alan Modra 2022-12-08 11:45:12 +10:30
parent b0f110a5ea
commit 57336e2e4d
1 changed files with 4 additions and 1 deletions
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5
libctf/ctf-link.c
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@ -431,7 +431,10 @@ ctf_link_add_cu_mapping (ctf_dict_t *fp, const char *from, const char *to)
}
}
else
free (t);
{
free (t);
t = NULL;
}
if (ctf_dynhash_insert (one_out, f, NULL) < 0)
{