motorhead/qemu
1
0
Fork 0
mirror of https://github.com/Motorhead1991/qemu.git synced 2025-08-09 10:34:58 -06:00
Code Issues Projects Releases Packages Wiki Activity Actions

vmdk: Don't corrupt desc file in vmdk_write_cid

Browse source 
If the text description file is larger than DESC_SIZE, we force the last
byte in the buffer to be 0 and write it out.

This results in a corruption.

Try to allocate a big buffer in this case.

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1923

Signed-off-by: Fam Zheng <fam@euphon.net>
Message-ID: <20231124115654.3239137-1-fam@euphon.net>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Fam Zheng 2023-11-24 11:56:54 +00:00 • committed by Kevin Wolf
parent 3b7094fe83
commit 9fb7b350ba
3 changed files with 26 additions and 8 deletions
Download patch file Download diff file Expand all files Collapse all files

4
tests/qemu-iotests/059.out
View file

@ -2032,6 +2032,10 @@ Format specific information:
virtual size: 2147483648
filename: TEST_DIR/t-f500.IMGFMT
format: FLAT
wrote 512/512 bytes at offset 1063004405760
512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
read 512/512 bytes at offset 1063004405760
512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
=== Testing malformed VMFS extent description line ===
qemu-img: Could not open 'TEST_DIR/t.IMGFMT': Invalid extent line: RW 12582912 VMFS "dummy.IMGFMT" 1