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gpg: Fix double free of internal data.

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* g10/sig-check.c (check_signature_over_key_or_uid): Do not free in
no-sig-cache mode if allocated by caller.
--

GnuPG-bug-id: 7547
Fixes-commit: 44cdb9d73f1a0b7d2c8483a119b9c4d6caabc1ec
This commit is contained in:
Werner Koch 2025-03-13 11:35:34 +01:00
parent 6b233c6704
commit 0666a8858f
No known key found for this signature in database
GPG Key ID: E3FDFF218E45B72B
1 changed files with 2 additions and 1 deletions
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3
g10/sig-check.c
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@ -943,7 +943,8 @@ check_signature_over_key_or_uid (ctrl_t ctrl, PKT_public_key *signer,
rc = get_pubkey_for_sig (ctrl, signer, sig, NULL); rc = get_pubkey_for_sig (ctrl, signer, sig, NULL);
if (rc) if (rc)
{ {
xfree (signer); if (signer_alloced != 1)
xfree (signer);
signer = NULL; signer = NULL;
signer_alloced = 0; signer_alloced = 0;
goto leave; goto leave;