[PATCH v2 2/9] bloblist: check bloblist with specified buffer size

Raymond Mao raymond.mao at linaro.org
Thu Dec 21 01:40:21 CET 2023


Instead of expecting the bloblist total size to be the same as the
pre-allocated buffer size, practically we are more interested in
whether the pre-allocated buffer size is bigger than the bloblist
total size.

Signed-off-by: Raymond Mao <raymond.mao at linaro.org>
---
Changes in v2
- New patch file created for v2.

 common/bloblist.c | 2 +-
 test/bloblist.c   | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/common/bloblist.c b/common/bloblist.c
index 193122a8af..be2050611a 100644
--- a/common/bloblist.c
+++ b/common/bloblist.c
@@ -384,7 +384,7 @@ int bloblist_check(ulong addr, uint size)
 		return log_msg_ret("Bad magic", -ENOENT);
 	if (hdr->version != BLOBLIST_VERSION)
 		return log_msg_ret("Bad version", -EPROTONOSUPPORT);
-	if (!hdr->total_size || (size && hdr->total_size != size))
+	if (!hdr->total_size || (size && hdr->total_size > size))
 		return log_msg_ret("Bad total size", -EFBIG);
 	if (hdr->used_size > hdr->total_size)
 		return log_msg_ret("Bad used size", -ENOENT);
diff --git a/test/bloblist.c b/test/bloblist.c
index 17d9dd03d0..7dab9addf8 100644
--- a/test/bloblist.c
+++ b/test/bloblist.c
@@ -207,7 +207,7 @@ static int bloblist_test_checksum(struct unit_test_state *uts)
 	hdr->flags++;
 
 	hdr->total_size--;
-	ut_asserteq(-EFBIG, bloblist_check(TEST_ADDR, TEST_BLOBLIST_SIZE));
+	ut_asserteq(-EIO, bloblist_check(TEST_ADDR, TEST_BLOBLIST_SIZE));
 	hdr->total_size++;
 
 	hdr->spare++;
-- 
2.25.1



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