Accepting request 917177 from home:jziviani:branches:Virtualization
- Keep qemu-img without backing format still deprecated (bsc#1190135) * Patches added: Revert-qemu-img-Improve-error-for-rebase.patch Revert-qemu-img-Require-F-with-b-backing.patch - Update the support files to reflect the deprecation. OBS-URL: https://build.opensuse.org/request/show/917177 OBS-URL: https://build.opensuse.org/package/show/Virtualization/qemu?expand=0&rev=669
This commit is contained in:
José Ricardo Ziviani
Git OBS Bridge
parent
10c95bc3e4
commit
ad2ff78115
40
Revert-qemu-img-Improve-error-for-rebase.patch
Normal file
40
Revert-qemu-img-Improve-error-for-rebase.patch
Normal file
@ -0,0 +1,40 @@
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From: "Jose R. Ziviani" <jziviani@suse.de>
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Date: Thu, 2 Sep 2021 16:06:20 -0300
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Subject: Revert "qemu-img: Improve error for rebase without backing format"
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This reverts commit a7cd44bef3d9380181734a93977c3d1df3eef2cf.
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References: bsc#1190135
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Signed-off-by: Jose R Ziviani <jose.ziviani@suse.com>
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---
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qemu-img.c | 3 ---
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tests/qemu-iotests/114.out | 2 +-
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2 files changed, 1 insertion(+), 4 deletions(-)
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diff --git a/qemu-img.c b/qemu-img.c
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index 908fd0cce5b4fc90a4798ea4a1c4..3ebd09245290878c24c8f1412146 100644
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--- a/qemu-img.c
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+++ b/qemu-img.c
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@@ -3810,9 +3810,6 @@ static int img_rebase(int argc, char **argv)
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if (ret == -ENOSPC) {
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error_report("Could not change the backing file to '%s': No "
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"space left in the file header", out_baseimg);
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- } else if (ret == -EINVAL && out_baseimg && !out_basefmt) {
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- error_report("Could not change the backing file to '%s': backing "
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- "format must be specified", out_baseimg);
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} else if (ret < 0) {
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error_report("Could not change the backing file to '%s': %s",
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out_baseimg, strerror(-ret));
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diff --git a/tests/qemu-iotests/114.out b/tests/qemu-iotests/114.out
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index f51dd9d20a1038c54d7d6e073b5e..6d638da266e495e8bed2fbcf919e 100644
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--- a/tests/qemu-iotests/114.out
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+++ b/tests/qemu-iotests/114.out
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@@ -14,7 +14,7 @@ qemu-io: can't open device TEST_DIR/t.qcow2: Could not open backing file: Unknow
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no file open, try 'help open'
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read 4096/4096 bytes at offset 0
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4 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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-qemu-img: Could not change the backing file to 'TEST_DIR/t.qcow2.base': backing format must be specified
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+qemu-img: Could not change the backing file to 'TEST_DIR/t.qcow2.base': Invalid argument
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read 4096/4096 bytes at offset 0
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4 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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*** done
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332
Revert-qemu-img-Require-F-with-b-backing.patch
Normal file
332
Revert-qemu-img-Require-F-with-b-backing.patch
Normal file
@ -0,0 +1,332 @@
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From: "Jose R. Ziviani" <jziviani@suse.de>
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Date: Thu, 2 Sep 2021 16:13:08 -0300
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Subject: Revert "qemu-img: Require -F with -b backing image"
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This reverts commit 497a30dbb065937d67f6c43af6dd78492e1d6f6d.
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References: bsc#1190135
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Signed-off-by: Jose R Ziviani <jose.ziviani@suse.com>
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---
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block.c | 37 +++++++++++++++++++++++----------
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docs/about/deprecated.rst | 20 ++++++++++++++++++
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docs/about/removed-features.rst | 19 -----------------
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qemu-img.c | 6 ++----
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tests/qemu-iotests/040 | 4 ++--
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tests/qemu-iotests/041 | 6 ++----
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tests/qemu-iotests/114 | 18 ++++++++--------
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tests/qemu-iotests/114.out | 11 ++++++----
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tests/qemu-iotests/301 | 4 +++-
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tests/qemu-iotests/301.out | 16 ++++++++++++--
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10 files changed, 85 insertions(+), 56 deletions(-)
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diff --git a/block.c b/block.c
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index e97ce0b1c83eb68db8abccfe9086..06f5ff49ee79ab5d423008ecc20e 100644
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--- a/block.c
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+++ b/block.c
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@@ -5119,7 +5119,7 @@ int coroutine_fn bdrv_co_check(BlockDriverState *bs,
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* -ENOTSUP - format driver doesn't support changing the backing file
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*/
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int bdrv_change_backing_file(BlockDriverState *bs, const char *backing_file,
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- const char *backing_fmt, bool require)
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+ const char *backing_fmt, bool warn)
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{
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BlockDriver *drv = bs->drv;
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int ret;
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@@ -5133,8 +5133,10 @@ int bdrv_change_backing_file(BlockDriverState *bs, const char *backing_file,
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return -EINVAL;
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}
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- if (require && backing_file && !backing_fmt) {
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- return -EINVAL;
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+ if (warn && backing_file && !backing_fmt) {
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+ warn_report("Deprecated use of backing file without explicit "
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+ "backing format, use of this image requires "
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+ "potentially unsafe format probing");
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}
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if (drv->bdrv_change_backing_file != NULL) {
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@@ -6647,11 +6649,24 @@ void bdrv_img_create(const char *filename, const char *fmt,
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goto out;
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} else {
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if (!backing_fmt) {
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- error_setg(&local_err,
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- "Backing file specified without backing format");
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- error_append_hint(&local_err, "Detected format of %s.",
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- bs->drv->format_name);
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- goto out;
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+ warn_report("Deprecated use of backing file without explicit "
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+ "backing format (detected format of %s)",
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+ bs->drv->format_name);
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+ if (bs->drv != &bdrv_raw) {
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+ /*
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+ * A probe of raw deserves the most attention:
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+ * leaving the backing format out of the image
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+ * will ensure bs->probed is set (ensuring we
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+ * don't accidentally commit into the backing
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+ * file), and allow more spots to warn the users
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+ * to fix their toolchain when opening this image
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+ * later. For other images, we can safely record
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+ * the format that we probed.
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+ */
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+ backing_fmt = bs->drv->format_name;
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+ qemu_opt_set(opts, BLOCK_OPT_BACKING_FMT, backing_fmt,
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+ NULL);
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+ }
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}
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if (size == -1) {
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/* Opened BS, have no size */
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@@ -6668,9 +6683,9 @@ void bdrv_img_create(const char *filename, const char *fmt,
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}
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/* (backing_file && !(flags & BDRV_O_NO_BACKING)) */
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} else if (backing_file && !backing_fmt) {
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- error_setg(&local_err,
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- "Backing file specified without backing format");
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- goto out;
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+ warn_report("Deprecated use of unopened backing file without "
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+ "explicit backing format, use of this image requires "
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+ "potentially unsafe format probing");
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}
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if (size == -1) {
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diff --git a/docs/about/deprecated.rst b/docs/about/deprecated.rst
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index 6d438f1c8d41e19c4fc976d1c7da..638f1000cbd19a72aa456104446f 100644
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--- a/docs/about/deprecated.rst
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+++ b/docs/about/deprecated.rst
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@@ -300,6 +300,26 @@ this CPU is also deprecated.
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Related binaries
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----------------
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+qemu-img backing file without format (since 5.1)
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+''''''''''''''''''''''''''''''''''''''''''''''''
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+
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+The use of ``qemu-img create``, ``qemu-img rebase``, or ``qemu-img
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+convert`` to create or modify an image that depends on a backing file
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+now recommends that an explicit backing format be provided. This is
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+for safety: if QEMU probes a different format than what you thought,
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+the data presented to the guest will be corrupt; similarly, presenting
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+a raw image to a guest allows a potential security exploit if a future
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+probe sees a non-raw image based on guest writes.
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+
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+To avoid the warning message, or even future refusal to create an
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+unsafe image, you must pass ``-o backing_fmt=`` (or the shorthand
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+``-F`` during create) to specify the intended backing format. You may
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+use ``qemu-img rebase -u`` to retroactively add a backing format to an
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+existing image. However, be aware that there are already potential
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+security risks to blindly using ``qemu-img info`` to probe the format
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+of an untrusted backing image, when deciding what format to add into
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+an existing image.
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+
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Backwards compatibility
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-----------------------
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diff --git a/docs/about/removed-features.rst b/docs/about/removed-features.rst
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index cbfa1a8e31a69200c2bb97ddffb1..afadc8f7e0fc4e2377ee85d6166c 100644
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--- a/docs/about/removed-features.rst
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+++ b/docs/about/removed-features.rst
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@@ -678,25 +678,6 @@ backing chain should be performed with ``qemu-img rebase -u`` either
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before or after the remaining changes being performed by amend, as
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appropriate.
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-qemu-img backing file without format (removed in 6.1)
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-'''''''''''''''''''''''''''''''''''''''''''''''''''''
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-
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-The use of ``qemu-img create``, ``qemu-img rebase``, or ``qemu-img
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-convert`` to create or modify an image that depends on a backing file
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-now requires that an explicit backing format be provided. This is
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-for safety: if QEMU probes a different format than what you thought,
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-the data presented to the guest will be corrupt; similarly, presenting
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-a raw image to a guest allows a potential security exploit if a future
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-probe sees a non-raw image based on guest writes.
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-
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-To avoid creating unsafe backing chains, you must pass ``-o
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-backing_fmt=`` (or the shorthand ``-F`` during create) to specify the
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-intended backing format. You may use ``qemu-img rebase -u`` to
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-retroactively add a backing format to an existing image. However, be
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-aware that there are already potential security risks to blindly using
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-``qemu-img info`` to probe the format of an untrusted backing image,
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-when deciding what format to add into an existing image.
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-
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Block devices
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-------------
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diff --git a/qemu-img.c b/qemu-img.c
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index 3ebd09245290878c24c8f1412146..4da817857f3efccc2bd83297500b 100644
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--- a/qemu-img.c
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+++ b/qemu-img.c
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@@ -2549,10 +2549,8 @@ static int img_convert(int argc, char **argv)
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|
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if (out_baseimg_param) {
|
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if (!qemu_opt_get(opts, BLOCK_OPT_BACKING_FMT)) {
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- error_report("Use of backing file requires explicit "
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- "backing format");
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- ret = -1;
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- goto out;
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+ warn_report("Deprecated use of backing file without explicit "
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+ "backing format");
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}
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}
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diff --git a/tests/qemu-iotests/040 b/tests/qemu-iotests/040
|
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index f3677de9dfde326ad85515ec8bfa..ba7cb34ce8cf95df6fa63f9eb8f0 100755
|
||||
--- a/tests/qemu-iotests/040
|
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+++ b/tests/qemu-iotests/040
|
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@@ -920,8 +920,8 @@ class TestCommitWithOverriddenBacking(iotests.QMPTestCase):
|
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def setUp(self):
|
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qemu_img('create', '-f', iotests.imgfmt, self.img_base_a, '1M')
|
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qemu_img('create', '-f', iotests.imgfmt, self.img_base_b, '1M')
|
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- qemu_img('create', '-f', iotests.imgfmt, '-b', self.img_base_a,
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- '-F', iotests.imgfmt, self.img_top)
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+ qemu_img('create', '-f', iotests.imgfmt, '-b', self.img_base_a, \
|
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+ self.img_top)
|
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|
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self.vm = iotests.VM()
|
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self.vm.launch()
|
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diff --git a/tests/qemu-iotests/041 b/tests/qemu-iotests/041
|
||||
index db9f5dc540e84c597d30521d4b6c..5cc02b24fc7a8be3d28e0e9737cb 100755
|
||||
--- a/tests/qemu-iotests/041
|
||||
+++ b/tests/qemu-iotests/041
|
||||
@@ -1295,10 +1295,8 @@ class TestReplaces(iotests.QMPTestCase):
|
||||
class TestFilters(iotests.QMPTestCase):
|
||||
def setUp(self):
|
||||
qemu_img('create', '-f', iotests.imgfmt, backing_img, '1M')
|
||||
- qemu_img('create', '-f', iotests.imgfmt, '-b', backing_img,
|
||||
- '-F', iotests.imgfmt, test_img)
|
||||
- qemu_img('create', '-f', iotests.imgfmt, '-b', backing_img,
|
||||
- '-F', iotests.imgfmt, target_img)
|
||||
+ qemu_img('create', '-f', iotests.imgfmt, '-b', backing_img, test_img)
|
||||
+ qemu_img('create', '-f', iotests.imgfmt, '-b', backing_img, target_img)
|
||||
|
||||
qemu_io('-c', 'write -P 1 0 512k', backing_img)
|
||||
qemu_io('-c', 'write -P 2 512k 512k', test_img)
|
||||
diff --git a/tests/qemu-iotests/114 b/tests/qemu-iotests/114
|
||||
index de6fd327eea9e2ef5d21fc6fbf0b..43cb0bc6c3443a809f4dcd42ecce 100755
|
||||
--- a/tests/qemu-iotests/114
|
||||
+++ b/tests/qemu-iotests/114
|
||||
@@ -44,16 +44,16 @@ _supported_os Linux
|
||||
# qcow2.py does not work too well with external data files
|
||||
_unsupported_imgopts data_file
|
||||
|
||||
-# Older qemu-img could set up backing file without backing format; modern
|
||||
-# qemu can't but we can use qcow2.py to simulate older files.
|
||||
+# Intentionally specify backing file without backing format; demonstrate
|
||||
+# the difference in warning messages when backing file could be probed.
|
||||
+# Note that only a non-raw probe result will affect the resulting image.
|
||||
truncate -s $((64 * 1024 * 1024)) "$TEST_IMG.orig"
|
||||
-_make_test_img -b "$TEST_IMG.orig" -F raw 64M
|
||||
-$PYTHON qcow2.py "$TEST_IMG" del-header-ext 0xE2792ACA
|
||||
+_make_test_img -b "$TEST_IMG.orig" 64M
|
||||
|
||||
TEST_IMG="$TEST_IMG.base" _make_test_img 64M
|
||||
$QEMU_IMG convert -O qcow2 -B "$TEST_IMG.orig" "$TEST_IMG.orig" "$TEST_IMG"
|
||||
-_make_test_img -b "$TEST_IMG.base" -F $IMGFMT 64M
|
||||
-_make_test_img -u -b "$TEST_IMG.base" -F $IMGFMT 64M
|
||||
+_make_test_img -b "$TEST_IMG.base" 64M
|
||||
+_make_test_img -u -b "$TEST_IMG.base" 64M
|
||||
|
||||
# Set an invalid backing file format
|
||||
$PYTHON qcow2.py "$TEST_IMG" add-header-ext 0xE2792ACA "foo"
|
||||
@@ -64,9 +64,9 @@ _img_info
|
||||
$QEMU_IO -c "open $TEST_IMG" -c "read 0 4k" 2>&1 | _filter_qemu_io | _filter_testdir
|
||||
$QEMU_IO -c "open -o backing.driver=$IMGFMT $TEST_IMG" -c "read 0 4k" | _filter_qemu_io
|
||||
|
||||
-# Rebase the image, to show that backing format is required.
|
||||
-($QEMU_IMG rebase -u -b "$TEST_IMG.base" "$TEST_IMG" 2>&1 && echo "unexpected pass") | _filter_testdir
|
||||
-$QEMU_IMG rebase -u -b "$TEST_IMG.base" -F $IMGFMT "$TEST_IMG"
|
||||
+# Rebase the image, to show that omitting backing format triggers a warning,
|
||||
+# but probing now lets us use the backing file.
|
||||
+$QEMU_IMG rebase -u -b "$TEST_IMG.base" "$TEST_IMG"
|
||||
$QEMU_IO -c "open $TEST_IMG" -c "read 0 4k" 2>&1 | _filter_qemu_io | _filter_testdir
|
||||
|
||||
# success, all done
|
||||
diff --git a/tests/qemu-iotests/114.out b/tests/qemu-iotests/114.out
|
||||
index 6d638da266e495e8bed2fbcf919e..0a37d20c82a95d6d5ea9fc9635e7 100644
|
||||
--- a/tests/qemu-iotests/114.out
|
||||
+++ b/tests/qemu-iotests/114.out
|
||||
@@ -1,9 +1,12 @@
|
||||
QA output created by 114
|
||||
-Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864 backing_file=TEST_DIR/t.IMGFMT.orig backing_fmt=raw
|
||||
+qemu-img: warning: Deprecated use of backing file without explicit backing format (detected format of raw)
|
||||
+Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864 backing_file=TEST_DIR/t.IMGFMT.orig
|
||||
Formatting 'TEST_DIR/t.IMGFMT.base', fmt=IMGFMT size=67108864
|
||||
-qemu-img: Use of backing file requires explicit backing format
|
||||
-Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864 backing_file=TEST_DIR/t.IMGFMT.base backing_fmt=IMGFMT
|
||||
+qemu-img: warning: Deprecated use of backing file without explicit backing format
|
||||
+qemu-img: warning: Deprecated use of backing file without explicit backing format (detected format of IMGFMT)
|
||||
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864 backing_file=TEST_DIR/t.IMGFMT.base backing_fmt=IMGFMT
|
||||
+qemu-img: warning: Deprecated use of unopened backing file without explicit backing format, use of this image requires potentially unsafe format probing
|
||||
+Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864 backing_file=TEST_DIR/t.IMGFMT.base
|
||||
image: TEST_DIR/t.IMGFMT
|
||||
file format: IMGFMT
|
||||
virtual size: 64 MiB (67108864 bytes)
|
||||
@@ -14,7 +17,7 @@ qemu-io: can't open device TEST_DIR/t.qcow2: Could not open backing file: Unknow
|
||||
no file open, try 'help open'
|
||||
read 4096/4096 bytes at offset 0
|
||||
4 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
|
||||
-qemu-img: Could not change the backing file to 'TEST_DIR/t.qcow2.base': Invalid argument
|
||||
+qemu-img: warning: Deprecated use of backing file without explicit backing format, use of this image requires potentially unsafe format probing
|
||||
read 4096/4096 bytes at offset 0
|
||||
4 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
|
||||
*** done
|
||||
diff --git a/tests/qemu-iotests/301 b/tests/qemu-iotests/301
|
||||
index 220de1043fa5dcad8f8563a452c1..9f943cadbe24413c7f453101a6a9 100755
|
||||
--- a/tests/qemu-iotests/301
|
||||
+++ b/tests/qemu-iotests/301
|
||||
@@ -3,7 +3,7 @@
|
||||
#
|
||||
# Test qcow backing file warnings
|
||||
#
|
||||
-# Copyright (C) 2020-2021 Red Hat, Inc.
|
||||
+# Copyright (C) 2020 Red Hat, Inc.
|
||||
#
|
||||
# This program is free software; you can redistribute it and/or modify
|
||||
# it under the terms of the GNU General Public License as published by
|
||||
@@ -46,6 +46,7 @@ echo "== qcow backed by qcow =="
|
||||
|
||||
TEST_IMG="$TEST_IMG.base" _make_test_img $size
|
||||
_make_test_img -b "$TEST_IMG.base" $size
|
||||
+_img_info
|
||||
_make_test_img -b "$TEST_IMG.base" -F $IMGFMT $size
|
||||
_img_info
|
||||
|
||||
@@ -70,6 +71,7 @@ echo "== qcow backed by raw =="
|
||||
rm "$TEST_IMG.base"
|
||||
truncate --size=$size "$TEST_IMG.base"
|
||||
_make_test_img -b "$TEST_IMG.base" $size
|
||||
+_img_info
|
||||
_make_test_img -b "$TEST_IMG.base" -F raw $size
|
||||
_img_info
|
||||
|
||||
diff --git a/tests/qemu-iotests/301.out b/tests/qemu-iotests/301.out
|
||||
index e280658191e1eba861b821fafa35..9004dad6392f4a0ec685fb4a80d1 100644
|
||||
--- a/tests/qemu-iotests/301.out
|
||||
+++ b/tests/qemu-iotests/301.out
|
||||
@@ -2,7 +2,13 @@ QA output created by 301
|
||||
|
||||
== qcow backed by qcow ==
|
||||
Formatting 'TEST_DIR/t.IMGFMT.base', fmt=IMGFMT size=33554432
|
||||
-qemu-img: TEST_DIR/t.IMGFMT: Backing file specified without backing format
|
||||
+qemu-img: warning: Deprecated use of backing file without explicit backing format (detected format of IMGFMT)
|
||||
+Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=33554432 backing_file=TEST_DIR/t.IMGFMT.base backing_fmt=IMGFMT
|
||||
+image: TEST_DIR/t.IMGFMT
|
||||
+file format: IMGFMT
|
||||
+virtual size: 32 MiB (33554432 bytes)
|
||||
+cluster_size: 512
|
||||
+backing file: TEST_DIR/t.IMGFMT.base
|
||||
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=33554432 backing_file=TEST_DIR/t.IMGFMT.base backing_fmt=IMGFMT
|
||||
image: TEST_DIR/t.IMGFMT
|
||||
file format: IMGFMT
|
||||
@@ -30,7 +36,13 @@ cluster_size: 512
|
||||
backing file: TEST_DIR/t.IMGFMT.base
|
||||
|
||||
== qcow backed by raw ==
|
||||
-qemu-img: TEST_DIR/t.IMGFMT: Backing file specified without backing format
|
||||
+qemu-img: warning: Deprecated use of backing file without explicit backing format (detected format of raw)
|
||||
+Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=33554432 backing_file=TEST_DIR/t.IMGFMT.base
|
||||
+image: TEST_DIR/t.IMGFMT
|
||||
+file format: IMGFMT
|
||||
+virtual size: 32 MiB (33554432 bytes)
|
||||
+cluster_size: 512
|
||||
+backing file: TEST_DIR/t.IMGFMT.base
|
||||
Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=33554432 backing_file=TEST_DIR/t.IMGFMT.base backing_fmt=raw
|
||||
image: TEST_DIR/t.IMGFMT
|
||||
file format: IMGFMT
|
||||
@ -1,3 +1,3 @@
|
||||
version https://git-lfs.github.com/spec/v1
|
||||
oid sha256:6c7cd08fed3f27504bf167bf5e157f1368c41b7d0882b42d3d0c0c53794a4029
|
||||
size 33996
|
||||
oid sha256:e1267f7401e278289c62e2e2a84617e3b89a9ce1ca6d96391adf116e2ab96c8e
|
||||
size 40764
|
||||
|
||||
10
qemu.changes
10
qemu.changes
@ -1,3 +1,13 @@
|
||||
-------------------------------------------------------------------
|
||||
Thu Sep 2 19:17:19 UTC 2021 - José Ricardo Ziviani <jose.ziviani@suse.com>
|
||||
|
||||
- Keep qemu-img without backing format still deprecated
|
||||
(bsc#1190135)
|
||||
* Patches added:
|
||||
Revert-qemu-img-Improve-error-for-rebase.patch
|
||||
Revert-qemu-img-Require-F-with-b-backing.patch
|
||||
- Update the support files to reflect the deprecation.
|
||||
|
||||
-------------------------------------------------------------------
|
||||
Tue Aug 31 12:34:39 UTC 2021 - José Ricardo Ziviani <jose.ziviani@suse.com>
|
||||
|
||||
|
||||
@ -177,6 +177,8 @@ Patch00041: usb-Help-compiler-out-to-avoid-a-warning.patch
|
||||
Patch00042: qom-handle-case-of-chardev-spice-module-.patch
|
||||
Patch00043: doc-add-our-support-doc-to-the-main-proj.patch
|
||||
Patch00044: qemu-binfmt-conf.sh-allow-overriding-SUS.patch
|
||||
Patch00045: Revert-qemu-img-Improve-error-for-rebase.patch
|
||||
Patch00046: Revert-qemu-img-Require-F-with-b-backing.patch
|
||||
# Patches applied in roms/seabios/:
|
||||
Patch01000: seabios-use-python2-explicitly-as-needed.patch
|
||||
Patch01001: seabios-switch-to-python3-as-needed.patch
|
||||
@ -1112,6 +1114,8 @@ This package records qemu testsuite results and represents successful testing.
|
||||
%patch00043 -p1
|
||||
%endif
|
||||
%patch00044 -p1
|
||||
%patch00045 -p1
|
||||
%patch00046 -p1
|
||||
%patch01000 -p1
|
||||
%patch01001 -p1
|
||||
%patch01002 -p1
|
||||
|
||||
@ -152,6 +152,10 @@ Deprecated, Superseded, Modified and Dropped Features
|
||||
removed features are also tracked in the "System Emulation" section of the
|
||||
documentation installed with the qemu package.
|
||||
|
||||
- qemu-img: Deprecate use of -b without -F. Creating an image that requires
|
||||
format probing of the backing image is potentially unsafe and is now
|
||||
deprecated.
|
||||
|
||||
- Aspeed swift-bmc machine is deprecated. It can be easily replaced by the
|
||||
witherspoon-bmc or the romulus-bmc machines.
|
||||
|
||||
|
||||
@ -148,6 +148,10 @@ Deprecated, Superseded, Modified and Dropped Features
|
||||
removed features are also tracked in the "System Emulation" section of the
|
||||
documentation installed with the qemu package.
|
||||
|
||||
- qemu-img: Deprecate use of -b without -F. Creating an image that requires
|
||||
format probing of the backing image is potentially unsafe and is now
|
||||
deprecated.
|
||||
|
||||
- The previously non-persistent backing file with pmem=on is deprecated. Modify
|
||||
VM configuration to set pmem=off to continue using fake NVDIMM with backing
|
||||
file or move backing file to NVDIMM storage and keep pmem=on.
|
||||
|
||||
@ -171,6 +171,10 @@ Deprecated, Superseded, Modified and Dropped Features
|
||||
removed features are also tracked in the "System Emulation" section of the
|
||||
documentation installed with the qemu package.
|
||||
|
||||
- qemu-img: Deprecate use of -b without -F. Creating an image that requires
|
||||
format probing of the backing image is potentially unsafe and is now
|
||||
deprecated.
|
||||
|
||||
- When no video adapter is specified, the default used is stdvga. This differs
|
||||
from the default of prior releases which was cirrus. The cirrus adapter was
|
||||
considered too outdated to continue to use as the default.
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user