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auth: check for strdup allocation failure in ssh_userauth_gssapi_keyex

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Signed-off-by: Pavol Žáčik <pzacik@redhat.com>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
This commit is contained in:
Pavol Žáčik
2025-12-08 12:23:11 +01:00
committed by Jakub Jelen
parent f7cad4245a
commit b79a681ebb
1 changed files with 4 additions and 0 deletions
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4
src/auth.c
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@@ -2519,6 +2519,10 @@ int ssh_userauth_gssapi_keyex(ssh_session session)
session->pending_call_state = SSH_PENDING_CALL_AUTH_GSSAPI_KEYEX;
session->gssapi->user = strdup(session->opts.username);
if (session->gssapi->user == NULL) {
ssh_set_error_oom(session);
return SSH_ERROR;
}
rc = ssh_gssapi_auth_keyex_mic(session, &mic_token_buf);
if (rc != SSH_OK) {
session->auth.state = SSH_AUTH_STATE_NONE;