diff options
| -rw-r--r-- | fsck.c | 16 | ||||
| -rwxr-xr-x | t/t1450-fsck.sh | 18 |
2 files changed, 31 insertions, 3 deletions
@@ -59,6 +59,7 @@ FUNC(HAS_DOTGIT, WARN) \ FUNC(NULL_SHA1, WARN) \ FUNC(ZERO_PADDED_FILEMODE, WARN) \ + FUNC(NUL_IN_COMMIT, WARN) \ /* infos (reported as warnings, but ignored by default) */ \ FUNC(BAD_TAG_NAME, INFO) \ FUNC(MISSING_TAGGER_ENTRY, INFO) @@ -610,6 +611,7 @@ static int fsck_commit_buffer(struct commit *commit, const char *buffer, struct commit_graft *graft; unsigned parent_count, parent_line_count = 0, author_count; int err; + const char *buffer_begin = buffer; if (verify_headers(buffer, size, &commit->object, options)) return -1; @@ -666,9 +668,17 @@ static int fsck_commit_buffer(struct commit *commit, const char *buffer, err = fsck_ident(&buffer, &commit->object, options); if (err) return err; - if (!commit->tree) - return report(options, &commit->object, FSCK_MSG_BAD_TREE, "could not load commit's tree %s", sha1_to_hex(tree_sha1)); - + if (!commit->tree) { + err = report(options, &commit->object, FSCK_MSG_BAD_TREE, "could not load commit's tree %s", sha1_to_hex(tree_sha1)); + if (err) + return err; + } + if (memchr(buffer_begin, '\0', size)) { + err = report(options, &commit->object, FSCK_MSG_NUL_IN_COMMIT, + "NUL byte in the commit object body"); + if (err) + return err; + } return 0; } diff --git a/t/t1450-fsck.sh b/t/t1450-fsck.sh index e66b7cb697..7ee8ea004f 100755 --- a/t/t1450-fsck.sh +++ b/t/t1450-fsck.sh @@ -427,6 +427,24 @@ test_expect_success 'fsck allows .Ňit' ' ) ' +test_expect_success 'NUL in commit' ' + rm -fr nul-in-commit && + git init nul-in-commit && + ( + cd nul-in-commit && + git commit --allow-empty -m "initial commitQNUL after message" && + git cat-file commit HEAD >original && + q_to_nul <original >munged && + git hash-object -w -t commit --stdin <munged >name && + git branch bad $(cat name) && + + test_must_fail git -c fsck.nulInCommit=error fsck 2>warn.1 && + grep nulInCommit warn.1 && + git fsck 2>warn.2 && + grep nulInCommit warn.2 + ) +' + # create a static test repo which is broken by omitting # one particular object ($1, which is looked up via rev-parse # in the new repository). |