From: datauwu <datauwu@users.noreply.github.com>
Date: Wed, 15 Jul 2026 14:34:02 +0000 (+0800)
Subject: xar: clean xattr checksums on heap allocation failure
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=c318e8fac6701befd2d4a04d6a79f6426cb3eb8d;p=thirdparty%2Flibarchive.git

xar: clean xattr checksums on heap allocation failure

Finalize xattr checksum contexts if the xattr heap allocation fails.
---

diff --git a/libarchive/archive_write_set_format_xar.c b/libarchive/archive_write_set_format_xar.c
index a1bb52331..8f8446e07 100644
--- a/libarchive/archive_write_set_format_xar.c
+++ b/libarchive/archive_write_set_format_xar.c
@@ -3223,6 +3223,12 @@ save_xattrs(struct archive_write *a, struct file *file)
 
 		heap = calloc(1, sizeof(*heap));
 		if (heap == NULL) {
+			struct chksumval sumval;
+
+			checksum_final(&(xar->a_sumwrk), &sumval);
+			checksum_final(&(xar->e_sumwrk), &sumval);
+			xar->a_sumwrk.alg = CKSUM_NONE;
+			xar->e_sumwrk.alg = CKSUM_NONE;
 			archive_set_error(&a->archive, ENOMEM,
 			    "Can't allocate memory for xattr");
 			return (ARCHIVE_FATAL);