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selinux: keep context struct members in sync

Commit 53f3517ae0 ("selinux: do not leave dangling pointer behind")
reset the `str` field of the `context` struct in an OOM error branch.
In this struct the fields `str` and `len` are coupled and should be kept
in sync.  Set the length to zero according to the string be set to NULL.

Fixes: 53f3517ae0 ("selinux: do not leave dangling pointer behind")
Signed-off-by: Christian Göttsche <cgzones@googlemail.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>
This commit is contained in:
Christian Göttsche 2023-05-11 14:31:47 +02:00 committed by Paul Moore
parent 85c3222ddd
commit ed99135f76

View File

@ -168,6 +168,7 @@ static inline int context_cpy(struct context *dst, const struct context *src)
if (rc) {
kfree(dst->str);
dst->str = NULL;
dst->len = 0;
return rc;
}
return 0;