MFV r356163,r356197:

Update libarchive to 3.4.1

Relevant vendor changes since last update:
  Issue #351: Refactor and implement private state logic for write filters
  PR #1252: RAR5 reader - verify window size for solid files (OSS-Fuzz 15482)
  PR #1255: zip writer - don't append unused NUL for directories
  PR #1260: Fix sparse file offset overflow on 32-bit systems
  PR #1263: UNICODE filename support for reading lha/lzh format
  Issue #1276: Bugfix and optimize archive_wstring_append_from_mbs()
  PR #1288: Add the "xattrhdr" option to pax write options
  PR #1295: 7z reader - fix reading archives with digests in PackInfo
  PR #1296: RAR5 reader - verify window size for multivolume archives
  PR #1297: ZIP reader - support LZMA_STREAM_END marker in 'lzma alone' files
  Issue #1298: Fix a heap-buffer-overflow in archive_string_append_from_wcs()
  OSS-Fuzz 19360, 19362: LHA reader - plug two memory leaks on error
  Fix possible off-by-one when dealing with readlink(2)

MFC after:	2 weeks

1 files changed, 1 insertions, 1 deletions

diff --git a/contrib/libarchive/test_utils/test_main.c b/contrib/libarchive/test_utils/test_main.c
index 1b9af9a9c37b..1b44edf171d9 100644
--- a/contrib/libarchive/test_utils/test_main.c
+++ b/contrib/libarchive/test_utils/test_main.c
@@ -1863,7 +1863,7 @@ is_symlink(const char *file, int line,
 		return (0);
 	if (contents == NULL)
 		return (1);
-	linklen = readlink(pathname, buff, sizeof(buff));
+	linklen = readlink(pathname, buff, sizeof(buff) - 1);
 	if (linklen < 0) {
 		failure_start(file, line, "Can't read symlink %s", pathname);
 		failure_finish(NULL);