From: "Derrick Stolee via GitGitGadget" <gitgitgadget@gmail.com>
To: git@vger.kernel.org
Cc: avarab@gmail.com, Junio C Hamano <gitster@pobox.com>,
Derrick Stolee <dstolee@microsoft.com>
Subject: [PATCH 06/11] multi-pack-index: verify oid fanout order
Date: Wed, 05 Sep 2018 07:46:40 -0700 (PDT) [thread overview]
Message-ID: <58e5c094682fb34e19860eacac788923cf3b5fdb.1536158789.git.gitgitgadget@gmail.com> (raw)
In-Reply-To: <pull.34.git.gitgitgadget@gmail.com>
From: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
---
midx.c | 9 +++++++++
t/t5319-multi-pack-index.sh | 8 ++++++++
2 files changed, 17 insertions(+)
diff --git a/midx.c b/midx.c
index a02b19efc1..dfd26b4d74 100644
--- a/midx.c
+++ b/midx.c
@@ -950,5 +950,14 @@ int verify_midx_file(const char *object_dir)
midx_report("failed to load pack in position %d", i);
}
+ for (i = 0; i < 255; i++) {
+ uint32_t oid_fanout1 = ntohl(m->chunk_oid_fanout[i]);
+ uint32_t oid_fanout2 = ntohl(m->chunk_oid_fanout[i + 1]);
+
+ if (oid_fanout1 > oid_fanout2)
+ midx_report(_("oid fanout out of order: fanout[%d] = %"PRIx32" > %"PRIx32" = fanout[%d]"),
+ i, oid_fanout1, oid_fanout2, i + 1);
+ }
+
return verify_midx_error;
}
diff --git a/t/t5319-multi-pack-index.sh b/t/t5319-multi-pack-index.sh
index 52b7f7905b..95ac7a6edd 100755
--- a/t/t5319-multi-pack-index.sh
+++ b/t/t5319-multi-pack-index.sh
@@ -186,6 +186,9 @@ MIDX_CHUNK_LOOKUP_WIDTH=12
MIDX_OFFSET_PACKNAMES=$(($MIDX_HEADER_SIZE + \
$MIDX_NUM_CHUNKS * $MIDX_CHUNK_LOOKUP_WIDTH))
MIDX_BYTE_PACKNAME_ORDER=$(($MIDX_OFFSET_PACKNAMES + 2))
+MIDX_OFFSET_OID_FANOUT=$(($MIDX_OFFSET_PACKNAMES + 652))
+MIDX_OID_FANOUT_WIDTH=4
+MIDX_BYTE_OID_FANOUT_ORDER=$((MIDX_OFFSET_OID_FANOUT + 250 * $MIDX_OID_FANOUT_WIDTH + 1))
test_expect_success 'verify bad version' '
corrupt_midx_and_verify $MIDX_BYTE_VERSION "\00" $objdir \
@@ -227,6 +230,11 @@ test_expect_success 'verify packnames out of order' '
"failed to load pack"
'
+test_expect_success 'verify oid fanout out of order' '
+ corrupt_midx_and_verify $MIDX_BYTE_OID_FANOUT_ORDER "\01" $objdir \
+ "oid fanout out of order"
+'
+
test_expect_success 'repack removes multi-pack-index' '
test_path_is_file $objdir/pack/multi-pack-index &&
git repack -adf &&
--
gitgitgadget
next prev parent reply other threads:[~2018-09-05 14:46 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-05 14:46 [PATCH 00/11] Add 'git multi-pack-index verify' command Derrick Stolee via GitGitGadget
2018-09-05 14:46 ` [PATCH 01/11] multi-pack-index: add 'verify' verb Derrick Stolee via GitGitGadget
2018-09-05 18:59 ` Eric Sunshine
2018-09-05 19:37 ` Derrick Stolee
2018-09-05 14:46 ` [PATCH 02/11] multi-pack-index: verify bad header Derrick Stolee via GitGitGadget
2018-09-07 0:27 ` Eric Sunshine
2018-09-05 14:46 ` [PATCH 03/11] multi-pack-index: verify corrupt chunk lookup table Derrick Stolee via GitGitGadget
2018-09-05 14:46 ` [PATCH 04/11] multi-pack-index: verify packname order Derrick Stolee via GitGitGadget
2018-09-05 18:15 ` Stefan Beller
2018-09-05 19:11 ` Derrick Stolee
2018-09-05 19:14 ` Stefan Beller
2018-09-05 19:28 ` Derrick Stolee
2018-09-05 14:46 ` [PATCH 05/11] multi-pack-index: verify missing pack Derrick Stolee via GitGitGadget
2018-09-05 14:46 ` Derrick Stolee via GitGitGadget [this message]
2018-09-05 14:46 ` [PATCH 07/11] multi-pack-index: verify oid lookup order Derrick Stolee via GitGitGadget
2018-09-05 14:46 ` [PATCH 08/11] multi-pack-index: fix 32-bit vs 64-bit size check Derrick Stolee via GitGitGadget
2018-09-05 14:46 ` [PATCH 09/11] multi-pack-index: verify object offsets Derrick Stolee via GitGitGadget
2018-09-07 0:34 ` Eric Sunshine
2018-09-07 13:10 ` Derrick Stolee
2018-09-05 14:46 ` [PATCH 10/11] multi-pack-index: report progress during 'verify' Derrick Stolee via GitGitGadget
2018-09-05 14:46 ` [PATCH 11/11] fsck: verify multi-pack-index Derrick Stolee via GitGitGadget
2018-09-13 18:02 ` [PATCH v2 00/11] Add 'git multi-pack-index verify' command Derrick Stolee via GitGitGadget
2018-09-13 18:02 ` [PATCH v2 01/11] multi-pack-index: add 'verify' verb Derrick Stolee via GitGitGadget
2018-09-13 18:02 ` [PATCH v2 02/11] multi-pack-index: verify bad header Derrick Stolee via GitGitGadget
2018-09-13 18:02 ` [PATCH v2 03/11] multi-pack-index: verify corrupt chunk lookup table Derrick Stolee via GitGitGadget
2018-09-13 18:02 ` [PATCH v2 04/11] multi-pack-index: verify packname order Derrick Stolee via GitGitGadget
2018-09-13 18:02 ` [PATCH v2 05/11] multi-pack-index: verify missing pack Derrick Stolee via GitGitGadget
2018-09-13 18:02 ` [PATCH v2 06/11] multi-pack-index: verify oid fanout order Derrick Stolee via GitGitGadget
2018-09-13 18:02 ` [PATCH v2 07/11] multi-pack-index: verify oid lookup order Derrick Stolee via GitGitGadget
2018-09-13 18:02 ` [PATCH v2 08/11] multi-pack-index: fix 32-bit vs 64-bit size check Derrick Stolee via GitGitGadget
2018-09-13 18:02 ` [PATCH v2 09/11] multi-pack-index: verify object offsets Derrick Stolee via GitGitGadget
2018-09-13 18:02 ` [PATCH v2 10/11] multi-pack-index: report progress during 'verify' Derrick Stolee via GitGitGadget
2018-09-13 19:02 ` Ævar Arnfjörð Bjarmason
2018-09-13 18:02 ` [PATCH v2 11/11] fsck: verify multi-pack-index Derrick Stolee via GitGitGadget
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