diff options
| -rw-r--r-- | bloom.c | 10 | ||||
| -rwxr-xr-x | t/t4216-log-bloom.sh | 13 |
2 files changed, 23 insertions, 0 deletions
@@ -75,6 +75,16 @@ static int load_bloom_filter_from_graph(struct commit_graph *g, check_bloom_offset(g, lex_pos - 1, start_index) < 0) return 0; + if (end_index < start_index) { + warning("ignoring decreasing changed-path index offsets" + " (%"PRIuMAX" > %"PRIuMAX") for positions" + " %"PRIuMAX" and %"PRIuMAX" of %s", + (uintmax_t)start_index, (uintmax_t)end_index, + (uintmax_t)(lex_pos-1), (uintmax_t)lex_pos, + g->filename); + return 0; + } + filter->len = end_index - start_index; filter->data = (unsigned char *)(g->chunk_bloom_data + sizeof(unsigned char) * start_index + diff --git a/t/t4216-log-bloom.sh b/t/t4216-log-bloom.sh index f6054cbb27..2ba0324a69 100755 --- a/t/t4216-log-bloom.sh +++ b/t/t4216-log-bloom.sh @@ -441,4 +441,17 @@ test_expect_success 'Bloom reader notices too-small index chunk' ' test_cmp expect.err err ' +test_expect_success 'Bloom reader notices out-of-order index offsets' ' + # we do not know any real offsets, but we can pick + # something plausible; we should not get to the point of + # actually reading from the bogus offsets anyway. + corrupt_graph BIDX 4 0000000c00000005 && + echo "warning: ignoring decreasing changed-path index offsets" \ + "(12 > 5) for positions 1 and 2 of .git/objects/info/commit-graph" >expect.err && + git -c core.commitGraph=false log -- A/B/file2 >expect.out && + git -c core.commitGraph=true log -- A/B/file2 >out 2>err && + test_cmp expect.out out && + test_cmp expect.err err +' + test_done |