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[2/3] iotests: Add test for image header overlap

Message ID 1407444475-19516-3-git-send-email-mreitz@redhat.com
State New
Headers show

Commit Message

Max Reitz Aug. 7, 2014, 8:47 p.m. UTC 
Add a test for an image with an unallocated image header; instead of an
assertion, this should result in the image being marked corrupt.

Signed-off-by: Max Reitz <mreitz@redhat.com>
---
 tests/qemu-iotests/060     | 9 +++++++++
 tests/qemu-iotests/060.out | 8 ++++++++
 2 files changed, 17 insertions(+)
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Patch

diff --git a/tests/qemu-iotests/060 b/tests/qemu-iotests/060
index 3cffc12..830386f 100755
--- a/tests/qemu-iotests/060
+++ b/tests/qemu-iotests/060
@@ -164,6 +164,15 @@  wait_break 0
 write 64k 64k
 resume 0" | $QEMU_IO | _filter_qemu_io
 
+echo
+echo "=== Testing unallocated image header ==="
+echo
+_make_test_img 64M
+# Create L1/L2
+$QEMU_IO -c "$OPEN_RW" -c "write 0 64k" | _filter_qemu_io
+poke_file "$TEST_IMG" "$rb_offset" "\x00\x00"
+$QEMU_IO -c "$OPEN_RW" -c "write 64k 64k" | _filter_qemu_io
+
 # success, all done
 echo "*** done"
 rm -f $seq.full
diff --git a/tests/qemu-iotests/060.out b/tests/qemu-iotests/060.out
index a517948..c27c952 100644
--- a/tests/qemu-iotests/060.out
+++ b/tests/qemu-iotests/060.out
@@ -93,4 +93,12 @@  blkdebug: Suspended request '0'
 write failed: Input/output error
 blkdebug: Resuming request '0'
 aio_write failed: No medium found
+
+=== Testing unallocated image header ===
+
+Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864 
+wrote 65536/65536 bytes at offset 0
+64 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+qcow2: Preventing invalid write on metadata (overlaps with qcow2_header); image marked as corrupt.
+write failed: Input/output error
 *** done