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author | Jeff King <peff@peff.net> | 2015-12-01 18:54:47 -0500 |
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committer | Jeff King <peff@peff.net> | 2015-12-01 18:54:47 -0500 |
commit | e2187fe520057ccf3021e642de3a770790e9baae (patch) | |
tree | 164a4a8e3349f81d24bb1a84a934131f63fe38be | |
parent | Merge branch 'ls/p4-test-timeouts' (diff) | |
parent | fsck: treat a NUL in a tag header as an error (diff) | |
download | tgif-e2187fe520057ccf3021e642de3a770790e9baae.tar.xz |
Merge branch 'rs/fsck-nul-header'
Fsck did not correctly detect a NUL-truncated header in a tag.
* rs/fsck-nul-header:
fsck: treat a NUL in a tag header as an error
t1450: add tests for NUL in headers of commits and tags
-rw-r--r-- | fsck.c | 3 | ||||
-rwxr-xr-x | t/t1450-fsck.sh | 32 |
2 files changed, 34 insertions, 1 deletions
@@ -711,7 +711,8 @@ static int fsck_tag_buffer(struct tag *tag, const char *data, } } - if (verify_headers(buffer, size, &tag->object, options)) + ret = verify_headers(buffer, size, &tag->object, options); + if (ret) goto done; if (!skip_prefix(buffer, "object ", &buffer)) { diff --git a/t/t1450-fsck.sh b/t/t1450-fsck.sh index dc09797021..e66b7cb697 100755 --- a/t/t1450-fsck.sh +++ b/t/t1450-fsck.sh @@ -176,6 +176,18 @@ test_expect_success 'integer overflow in timestamps is reported' ' grep "error in commit $new.*integer overflow" out ' +test_expect_success 'commit with NUL in header' ' + git cat-file commit HEAD >basis && + sed "s/author ./author Q/" <basis | q_to_nul >commit-NUL-header && + new=$(git hash-object -t commit -w --stdin <commit-NUL-header) && + test_when_finished "remove_object $new" && + git update-ref refs/heads/bogus "$new" && + test_when_finished "git update-ref -d refs/heads/bogus" && + test_must_fail git fsck 2>out && + cat out && + grep "error in commit $new.*unterminated header: NUL at offset" out +' + test_expect_success 'malformatted tree object' ' test_when_finished "git update-ref -d refs/tags/wrong" && test_when_finished "remove_object \$T" && @@ -276,6 +288,26 @@ test_expect_success 'tag with bad tagger' ' grep "error in tag .*: invalid author/committer" out ' +test_expect_success 'tag with NUL in header' ' + sha=$(git rev-parse HEAD) && + q_to_nul >tag-NUL-header <<-EOF && + object $sha + type commit + tag contains-Q-in-header + tagger T A Gger <tagger@example.com> 1234567890 -0000 + + This is an invalid tag. + EOF + + tag=$(git hash-object --literally -t tag -w --stdin <tag-NUL-header) && + test_when_finished "remove_object $tag" && + echo $tag >.git/refs/tags/wrong && + test_when_finished "git update-ref -d refs/tags/wrong" && + test_must_fail git fsck --tags 2>out && + cat out && + grep "error in tag $tag.*unterminated header: NUL at offset" out +' + test_expect_success 'cleaned up' ' git fsck >actual 2>&1 && test_cmp empty actual |