When Enabled bit is cleared in GITS_CTLR,ITS feature continues
to be enabled.This patch fixes the issue.
Signed-off-by: Shashi Mallela <shashi.mallela@linaro.org>
Tested-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20211124182246.67691-1-shashi.mallela@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The virt machine has properties to enable MTE and Nested Virtualization
support. However, its check to ensure the backing accel implementation
supports it today only looks for KVM and bails out if it finds it.
Extend the checks to HVF as well as it does not support either today.
This will cause QEMU to print a useful error message rather than
silently ignoring the attempt by the user to enable either MTE or
the Virtualization extensions.
Reported-by: saar amar <saaramar5@gmail.com>
Signed-off-by: Alexander Graf <agraf@csgraf.de>
Message-id: 20211123122859.22452-1-agraf@csgraf.de
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
- Fix memory leak in vvfat when vvfat_open() fails
- iotest fixes for the gnutls crypto backend
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Merge tag 'pull-block-2021-11-23' of https://gitlab.com/hreitz/qemu into staging
Block patches for 6.2-rc2:
- Fix memory leak in vvfat when vvfat_open() fails
- iotest fixes for the gnutls crypto backend
# gpg: Signature made Tue 23 Nov 2021 04:58:05 PM CET
# gpg: using RSA key CB62D7A0EE3829E45F004D34A1FA40D098019CDF
# gpg: issuer "hreitz@redhat.com"
# gpg: Good signature from "Hanna Reitz <hreitz@redhat.com>" [marginal]
# gpg: WARNING: This key is not certified with sufficiently trusted signatures!
# gpg: It is not certain that the signature belongs to the owner.
# Primary key fingerprint: CB62 D7A0 EE38 29E4 5F00 4D34 A1FA 40D0 9801 9CDF
* tag 'pull-block-2021-11-23' of https://gitlab.com/hreitz/qemu:
iotests/149: Skip on unsupported ciphers
iotests: Use aes-128-cbc
block/vvfat.c fix leak when failure occurs
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Whenever qemu-img or qemu-io report that some cipher is unsupported,
skip the whole test, because that is probably because qemu has been
configured with the gnutls crypto backend.
We could taylor the algorithm list to what gnutls supports, but this is
a test that is run rather rarely anyway (because it requires
password-less sudo), and so it seems better and easier to skip it. When
this test is intentionally run to check LUKS compatibility, it seems
better not to limit the algorithms but keep the list extensive.
Signed-off-by: Hanna Reitz <hreitz@redhat.com>
Message-Id: <20211117151707.52549-3-hreitz@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Our gnutls crypto backend (which is the default as of 8bd0931f6)
supports neither twofish-128 nor the CTR mode. CBC and aes-128 are
supported by all of our backends (as far as I can tell), so use
aes-128-cbc in our iotests.
(We could also use e.g. aes-256-cbc, but the different key sizes would
lead to different key slot offsets and so change the reference output
more, which is why I went with aes-128.)
Signed-off-by: Hanna Reitz <hreitz@redhat.com>
Message-Id: <20211117151707.52549-2-hreitz@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Tested-by: Thomas Huth <thuth@redhat.com>
Function vvfat_open called function enable_write_target and init_directories,
and these functions malloc new memory for BDRVVVFATState::qcow_filename,
BDRVVVFATState::used_clusters, and BDRVVVFATState::cluster_buff.
When the specified folder does not exist ,it may contains memory leak.
After init_directories function is executed, the vvfat_open return -EIO,
and bdrv_open_driver goto label open_failed,
the program use g_free(bs->opaque) to release BDRVVVFATState struct
without members mentioned.
command line:
qemu-system-x86_64 -hdb <vdisk qcow file> -usb -device usb-storage,drive=fat16
-drive file=fat:rw:fat-type=16:"<path of a host folder does not exist>",
id=fat16,format=raw,if=none
enable_write_target called:
(gdb) bt
at ../block/vvfat.c:3114
flags=155650, errp=0x7fffffffd780) at ../block/vvfat.c:1236
node_name=0x0, options=0x555556fa45d0, open_flags=155650,
errp=0x7fffffffd890) at ../block.c:1558
errp=0x7fffffffd890) at ../block.c:1852
reference=0x0, options=0x555556fa45d0, flags=40962, parent=0x555556f98cd0,
child_class=0x555556b1d6a0 <child_of_bds>, child_role=19,
errp=0x7fffffffda90) at ../block.c:3779
options=0x555556f9cfc0, bdref_key=0x555556239bb8 "file",
parent=0x555556f98cd0, child_class=0x555556b1d6a0 <child_of_bds>,
child_role=19, allow_none=true, errp=0x7fffffffda90) at ../block.c:3419
reference=0x0, options=0x555556f9cfc0, flags=8194, parent=0x0,
child_class=0x0, child_role=0, errp=0x555556c98c40 <error_fatal>)
at ../block.c:3726
options=0x555556f757b0, flags=0, errp=0x555556c98c40 <error_fatal>)
at ../block.c:3872
options=0x555556f757b0, flags=0, errp=0x555556c98c40 <error_fatal>)
at ../block/block-backend.c:436
bs_opts=0x555556f757b0, errp=0x555556c98c40 <error_fatal>)
at ../blockdev.c:608
errp=0x555556c98c40 <error_fatal>) at ../blockdev.c:992
......
Signed-off-by: Daniella Lee <daniellalee111@gmail.com>
Message-Id: <20211119112553.352222-1-daniellalee111@gmail.com>
[hreitz: Took commit message from v1]
Signed-off-by: Hanna Reitz <hreitz@redhat.com>
Resolves pointer type issues with uc_mcontext.pc
on aarch64 between glibc and musl.
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Merge tag 'pull-lu-20211123' of https://gitlab.com/rth7680/qemu into staging
Create common rewind_if_in_safe_syscall function.
Resolves pointer type issues with uc_mcontext.pc
on aarch64 between glibc and musl.
# gpg: Signature made Tue 23 Nov 2021 09:47:07 AM CET
# gpg: using RSA key 7A481E78868B4DB6A85A05C064DF38E8AF7E215F
# gpg: issuer "richard.henderson@linaro.org"
# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" [ultimate]
* tag 'pull-lu-20211123' of https://gitlab.com/rth7680/qemu:
linux-user/signal.c: Create a common rewind_if_in_safe_syscall
linux-user: Add host_signal_set_pc to set pc in mcontext
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
A few more fixes to help eliminate race conditions from
device-crash-test, along with a fix that allows the SCM_RIGHTS
functionality to work on hosts that only have Python 3.6.
If this is too much this late in the RC process, I'd advocate for at
least patch 7/7 by itself.
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tlGDl61vFQiQmbQk/Cka2VAp4o8nvgsJ4TOq+WZsXG4uGXdVOoE7UbcpcnvxnhSJ
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Merge tag 'python-pull-request' of https://gitlab.com/jsnow/qemu into staging
Python testing fixes for 6.2
A few more fixes to help eliminate race conditions from
device-crash-test, along with a fix that allows the SCM_RIGHTS
functionality to work on hosts that only have Python 3.6.
If this is too much this late in the RC process, I'd advocate for at
least patch 7/7 by itself.
# gpg: Signature made Tue 23 Nov 2021 03:37:17 AM CET
# gpg: using RSA key F9B7ABDBBCACDF95BE76CBD07DEF8106AAFC390E
# gpg: Good signature from "John Snow (John Huston) <jsnow@redhat.com>" [full]
* tag 'python-pull-request' of https://gitlab.com/jsnow/qemu:
python/aqmp: fix send_fd_scm for python 3.6.x
scripts/device-crash-test: Use a QMP timeout
python/machine: handle "fast" QEMU terminations
python/machine: move more variable initializations to _pre_launch
python/machine: add instance disambiguator to default nickname
python/machine: remove _remove_monitor_sockfile property
python/machine: add @sock_dir property
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
All instances of rewind_if_in_safe_syscall are the same, differing only
in how the instruction point is fetched from the ucontext and the size
of the registers. Use host_signal_pc and new host_signal_set_pc
interfaces to fetch the pointer to the PC and adjust if needed. Delete
all the old copies of rewind_if_in_safe_syscall.
Acked-by: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20211113045603.60391-3-imp@bsdimp.com>
[rth: include safe-syscall.h, simplify ifdefs]
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Add a new function host_signal_set_pc to set the next pc in an
mcontext. The caller should ensure this is a valid PC for execution.
Acked-by: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20211113045603.60391-2-imp@bsdimp.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
* drop spurious bump of ITS vmstate version fields
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Merge tag 'pull-target-arm-20211122-1' of https://git.linaro.org/people/pmaydell/qemu-arm into staging
target-arm queue:
* drop spurious bump of ITS vmstate version fields
# gpg: Signature made Mon 22 Nov 2021 07:43:19 PM CET
# gpg: using RSA key E1A5C593CD419DE28E8315CF3C2525ED14360CDE
# gpg: issuer "peter.maydell@linaro.org"
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>" [full]
# gpg: aka "Peter Maydell <pmaydell@gmail.com>" [full]
# gpg: aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>" [full]
* tag 'pull-target-arm-20211122-1' of https://git.linaro.org/people/pmaydell/qemu-arm:
hw/intc/arm_gicv3_its: Revert version increments in vmstate_its
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
3.6 doesn't play keepaway with the socket object, so we don't need to go
fishing for it on this version. In fact, so long as 'sendmsg' is still
available, it's probably preferable to just use that method and only go
fishing for forbidden details when we absolutely have to.
Reported-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Willian Rampazzo <willianr@redhat.com>
Message-id: 20211118204620.1897674-8-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
Despite all the previous fixes, it's still possible for
device-crash-test to wedge itself in the case that QEMU terminates *so
quickly* that it doesn't even begin a connection attempt to our QMP
client. Python will just joyfully wait ad infinitum for a connection
that will now never arrive.
The real fix is to use asyncio to simultaneously poll both the health of
the launched process AND the connection attempt. That's quite a bit more
invasive than just setting a connection timeout, though.
Do the very simplest thing for now.
Signed-off-by: John Snow <jsnow@redhat.com>
Message-id: 20211118204620.1897674-7-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
In the case that the QEMU process actually launches -- but then dies so
quickly that we can't establish a QMP connection to it -- QEMUMachine
currently calls _post_shutdown() assuming that it never launched the VM
process.
This isn't true, though: it "merely" may have failed to establish a QMP
connection and the process is in the middle of its own exit path.
If we don't wait for the subprocess, the caller may get a bogus `None`
return for .exitcode(). This behavior was observed from
device-crash-test; after the switch to Async QMP, the timings were
changed such that it was now seemingly possible to witness the failure
of "vm.launch()" *prior* to the exitcode becoming available.
The semantic of the `_launched` property is changed in this
patch. Instead of representing the condition "launch() executed
successfully", it will now represent "has forked a child process
successfully". This way, wait() when called in the exit path won't
become a no-op.
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Willian Rampazzo <willianr@redhat.com>
Message-id: 20211118204620.1897674-6-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
No need to clear them only to set them later.
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Willian Rampazzo <willianr@redhat.com>
Message-id: 20211118204620.1897674-5-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
If you create two instances of QEMUMachine(), they'll both create the
same nickname by default -- which is not that helpful.
Luckily, they'll both create unique temporary directories ... but due to
user configuration, they may share logging and sockfile directories,
meaning two instances can collide. The Python logging will also be quite
confusing, with no differentiation between the two instances.
Add an instance disambiguator (The memory address of the instance) to
the default nickname to foolproof this in all cases.
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Willian Rampazzo <willianr@redhat.com>
Message-id: 20211118204620.1897674-4-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
It doesn't matter if it was the user or the class itself that specified
where the sockfile should be created; the fact is that if we are using a
sockfile here, we created it and we can clean it up.
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Willian Rampazzo <willianr@redhat.com>
Message-id: 20211118204620.1897674-3-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
Analogous to temp_dir and log_dir, add a sock_dir property that defaults
to @temp_dir -- instead of base_temp_dir -- when the user hasn't
overridden the sock dir value in the initializer.
This gives us a much more unique directory to put sockfiles in by default.
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Willian Rampazzo <willianr@redhat.com>
Message-id: 20211118204620.1897674-2-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
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Merge tag 'pull-request-2021-11-22' of https://gitlab.com/thuth/qemu into staging
* Documentation updates
# gpg: Signature made Mon 22 Nov 2021 03:05:39 PM CET
# gpg: using RSA key 27B88847EEE0250118F3EAB92ED9D774FE702DB5
# gpg: issuer "thuth@redhat.com"
# gpg: Good signature from "Thomas Huth <th.huth@gmx.de>" [full]
# gpg: aka "Thomas Huth <thuth@redhat.com>" [full]
# gpg: aka "Thomas Huth <th.huth@posteo.de>" [unknown]
# gpg: aka "Thomas Huth <huth@tuxfamily.org>" [full]
* tag 'pull-request-2021-11-22' of https://gitlab.com/thuth/qemu:
docs: Render binary names as monospaced text
docs: Use double quotes instead of single quotes for COLO
docs: Drop deprecated 'props' from object-add
Fix some typos in documentation (found by codespell)
docs: List more commit-message tags in "submitting-a-patch"
docs: Fix botched rST conversion of 'submitting-a-patch.rst'
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Commit 18f6290a6a ("hw/intc: GICv3 ITS initial framework")
incremented version_id and minimum_version_id fields of
VMStateDescription vmstate_its. This breaks the migration between
6.2 and 6.1 with the following message:
qemu-system-aarch64: savevm: unsupported version 1 for 'arm_gicv3_its' v0
qemu-system-aarch64: load of migration failed: Invalid argument
Revert that change.
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Message-id: 20211122171020.1195483-1-eric.auger@redhat.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
- Eric Blake: Avoid uninitialized memory on client hard disconnect
- Eric Blake: Take advantage of block layer 64-bit zero/trim
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Merge tag 'pull-nbd-2021-11-22' of https://repo.or.cz/qemu/ericb into staging
nbd patches for 2021-11-22
- Eric Blake: Avoid uninitialized memory on client hard disconnect
- Eric Blake: Take advantage of block layer 64-bit zero/trim
# gpg: Signature made Mon 22 Nov 2021 02:55:07 PM CET
# gpg: using RSA key 71C2CC22B1C4602927D2F3AAA7A16B4A2527436A
# gpg: Good signature from "Eric Blake <eblake@redhat.com>" [full]
# gpg: aka "Eric Blake (Free Software Programmer) <ebb9@byu.net>" [full]
# gpg: aka "[jpeg image of size 6874]" [full]
* tag 'pull-nbd-2021-11-22' of https://repo.or.cz/qemu/ericb:
nbd/server: Simplify zero and trim
nbd/server: Don't complain on certain client disconnects
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
* revert SMCCC/PSCI change, as it regresses some usecases for some boards
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Merge tag 'pull-target-arm-20211122' of https://git.linaro.org/people/pmaydell/qemu-arm into staging
target-arm queue:
* revert SMCCC/PSCI change, as it regresses some usecases for some boards
# gpg: Signature made Mon 22 Nov 2021 02:42:19 PM CET
# gpg: using RSA key E1A5C593CD419DE28E8315CF3C2525ED14360CDE
# gpg: issuer "peter.maydell@linaro.org"
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>" [full]
# gpg: aka "Peter Maydell <pmaydell@gmail.com>" [full]
# gpg: aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>" [full]
* tag 'pull-target-arm-20211122' of https://git.linaro.org/people/pmaydell/qemu-arm:
Revert "arm: tcg: Adhere to SMCCC 1.3 section 5.2"
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20211118192744.64325-1-philmd@redhat.com>
Reviewed-by: Darren Kenny <darren.kenny@oracle.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Lei Rao <lei.rao@intel.com>
Message-Id: <1637567387-28250-2-git-send-email-lei.rao@intel.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
In commit 5024340745 "qapi/qom: Drop deprecated 'props' from
object-add" (v6.0.0), we also should update documents.
Signed-off-by: Lei Rao <lei.rao@intel.com>
Message-Id: <1637567387-28250-1-git-send-email-lei.rao@intel.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Message-Id: <20211117210702.1393570-1-sw@weilnetz.de>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
[thuth: "what's" --> "what is" as suggested by philmd]
Signed-off-by: Thomas Huth <thuth@redhat.com>
Add some more examples of commonly used commit-message tags.
(Thanks: Alex Bennée)
Signed-off-by: Kashyap Chamarthy <kchamart@redhat.com>
Message-Id: <20211119193118.949698-3-kchamart@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
I completely botched up the merged[0] rST conversion of this document by
accidentally dropping entire hunks (!) of text. :-( I made it very hard
for reviewers to spot it, as the omitted text was buried deep in the
document. To fix my hatchet job, I reconverted the "SubmitAPatch"
wiki[1] page from scratch and replaced the existing rST with it, while
making sure I incorporated previous feedback.
In summary, in this reconverted edition:
- I did a careful (to the extent my eyes allowed) para-by-para
comparison of the wiki and the rST to make sure I didn't omit
anything accidentally.
- I made sure to work in the cosmetic feedback[2] that Thomas Huth
pointed out in the merged (and botched) edition:
- fix the hyperlinks in "Split up long patches"
- replace ".". with "does not end with a dot" (in "Write a meaningful
commit message" section)
- replace "---" with ``---`` so that it doesn't render as an em-dash
(there were two other occurrences; I fixed those too)
- Use "QEMU" spelling consistently in prose usage
- Add a consistent "refer to git-config" link where appropriate
Thanks to Thomas Huth and Alex Bennée for noticing it on IRC. And sorry
for my sloppiness.
Fixes: 9f73de8df0 ("docs: rSTify the "SubmitAPatch" wiki")
[0] https://gitlab.com/qemu-project/qemu/-/commit/9f73de8df033
[1] https://wiki.qemu.org/index.php?title=Contribute/SubmitAPatch&oldid=10387
[2] https://lists.nongnu.org/archive/html/qemu-devel/2021-11/msg03600.html
Signed-off-by: Kashyap Chamarthy <kchamart@redhat.com>
Message-Id: <20211119193118.949698-2-kchamart@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
[thuth: Some more cosmetical changes, fixed links from external to internal]
Signed-off-by: Thomas Huth <thuth@redhat.com>
This reverts commit 9fcd15b919.
This change turns out to cause regressions, for instance on the
imx6ul boards as described here:
https://lore.kernel.org/qemu-devel/c8b89685-7490-328b-51a3-48711c140a84@tribudubois.net/
The primary cause of that regression is that the guest code running
at EL3 expects SMCs (not related to PSCI) to do what they would if
our PSCI emulation was not present at all, but after this change
they instead set a value in R0/X0 and continue.
We could fix that by a refactoring that allowed us to only turn on
the PSCI emulation if we weren't booting the guest at EL3, but there
is a more tangled problem with the highbank board, which:
(1) wants to enable PSCI emulation
(2) has a bit of guest code that it wants to run at EL3 and
to perform SMC calls that trap to the monitor vector table:
this is the boot stub code that is written to memory by
arm_write_secure_board_setup_dummy_smc() and which the
highbank board enables by setting bootinfo->secure_board_setup
We can't satisfy both of those and also have the PSCI emulation
handle all SMC instruction executions regardless of function
identifier value.
This is too tricky to try to sort out before 6.2 is released;
revert this commit so we can take the time to get it right in
the 7.0 release.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20211119163419.557623-1-peter.maydell@linaro.org
Now that the block layer supports 64-bit operations (see commit
2800637a and friends, new to v6.2), we no longer have to self-fragment
requests larger than 2G, reverting the workaround added in 890cbccb08
("nbd: Fix large trim/zero requests", v5.1.0).
Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <20211117170230.1128262-3-eblake@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
When a client disconnects abruptly, but did not have any pending
requests (for example, when using nbdsh without calling h.shutdown),
we used to output the following message:
$ qemu-nbd -f raw file
$ nbdsh -u 'nbd://localhost:10809' -c 'h.trim(1,0)'
qemu-nbd: Disconnect client, due to: Failed to read request: Unexpected end-of-file before all bytes were read
Then in commit f148ae7, we refactored nbd_receive_request() to use
nbd_read_eof(); when this returns 0, we regressed into tracing
uninitialized memory (if tracing is enabled) and reporting a
less-specific:
qemu-nbd: Disconnect client, due to: Request handling failed in intermediate state
Note that with Unix sockets, we have yet another error message,
unchanged by the 6.0 regression:
$ qemu-nbd -k /tmp/sock -f raw file
$ nbdsh -u 'nbd+unix:///?socket=/tmp/sock' -c 'h.trim(1,0)'
qemu-nbd: Disconnect client, due to: Failed to send reply: Unable to write to socket: Broken pipe
But in all cases, the error message goes away if the client performs a
soft shutdown by using NBD_CMD_DISC, rather than a hard shutdown by
abrupt disconnect:
$ nbdsh -u 'nbd://localhost:10809' -c 'h.trim(1,0)' -c 'h.shutdown()'
This patch fixes things to avoid uninitialized memory, and in general
avoids warning about a client that does a hard shutdown when not in
the middle of a packet. A client that aborts mid-request, or which
does not read the full server's reply, can still result in warnings,
but those are indeed much more unusual situations.
CC: qemu-stable@nongnu.org
Fixes: f148ae7d36 ("nbd/server: Quiesce coroutines on context switch", v6.0.0)
Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
[eblake: defer unrelated typo fixes to later patch]
Message-Id: <20211117170230.1128262-2-eblake@redhat.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
To work correctly -dump-vmstate and vmstate-static-checker.py need to
dump all the supported vmstates.
But as some devices can be modules, they are not loaded at startup and not
dumped. Fix that by loading all available modules before dumping the
machine vmstate.
Fixes: 7ab6e7fcce ("qdev: device module support")
Cc: kraxel@redhat.com
Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20211116072840.132731-1-lvivier@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
vnc_server_cut_text_caps() is not guaranteed to be called only once.
If it called twice, we finally call notifier_list_add() twice with same
element. Which leads to loopback QLIST. So, on next
notifier_list_notify() we'll loop forever and QEMU stuck.
So, let's only register new notifier if it's not yet registered.
Note, that similar check is used in vdagent_chr_recv_caps() (before
call qemu_clipboard_peer_register()), and also before
qemu_clipboard_peer_unregister() call in vdagent_disconnect() and in
vnc_disconnect_finish().
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-Id: <20211110103800.2266729-1-vsementsov@virtuozzo.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
The dmabuf often becomes invalid right after unblocking pipeline
and graphic_hw_gl_flushed in case a new scanout blob is submitted
because the dmabuf associated with the current guest scanout is
freed after swapping.
So both graphic_hw_gl_block and graphic_hw_gl_flushed should be
executed after closing fence_fd for the current dmabuf.
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Vivek Kasireddy <vivek.kasireddy@intel.com>
Signed-off-by: Dongwon Kim <dongwon.kim@intel.com>
Message-Id: <20211121172237.14937-1-dongwon.kim@intel.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
target_mmap() can fail and return -1, but we don't check for that and
instead assume it's always valid.
Fixes: db2af69d6b ("linux-user: Add infrastructure for a signal trampoline page")
Cc: richard.henderson@linaro.org
Reported-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20211121151711.331653-1-laurent@vivier.eu>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
- Deprecate IF_NONE for SiFive OTP
- Don't reset SiFive OTP content
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Merge tag 'pull-riscv-to-apply-20211122' of github.com:alistair23/qemu into staging
Seventh RISC-V PR for QEMU 6.2
- Deprecate IF_NONE for SiFive OTP
- Don't reset SiFive OTP content
# gpg: Signature made Mon 22 Nov 2021 07:51:24 AM CET
# gpg: using RSA key F6C4AC46D4934868D3B8CE8F21E10D29DF977054
# gpg: Good signature from "Alistair Francis <alistair@alistair23.me>" [full]
* tag 'pull-riscv-to-apply-20211122' of github.com:alistair23/qemu:
hw/misc/sifive_u_otp: Do not reset OTP content on hardware reset
hw/misc/sifive_u_otp: Use IF_PFLASH for the OTP device instead of IF_NONE
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Once a "One Time Programmable" is programmed, it shouldn't be reset.
Do not re-initialize the OTP content in the DeviceReset handler,
initialize it once in the DeviceRealize one.
Fixes: 9fb45c62ae ("riscv: sifive: Implement a model for SiFive FU540 OTP")
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20211119104757.331579-1-f4bug@amsat.org>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Configuring a drive with "if=none" is meant for creation of a backend
only, it should not get automatically assigned to a device frontend.
Use "if=pflash" for the One-Time-Programmable device instead (like
it is e.g. also done for the efuse device in hw/arm/xlnx-zcu102.c).
Since the old way of configuring the device has already been published
with the previous QEMU versions, we cannot remove this immediately, but
have to deprecate it and support it for at least two more releases.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Acked-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20211119102549.217755-1-thuth@redhat.com
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Always allocate host storage; this ensures that the struct
is sufficiently aligned for the host. Merge the three host
implementations of getdents via a few ifdefs. Utilize the
same method for do_getdents64.
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/704
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20211114103539.298686-5-richard.henderson@linaro.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
The host uint64_t (etc) does not have the correct
alignment constraint as the guest: use abi_* types.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20211114103539.298686-4-richard.henderson@linaro.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
We currently use a flexible array member for target_dirent,
but use incorrectly fixed length arrays for target_dirent64,
linux_dirent and linux_dirent64.
This requires that we adjust the definition of the VFAT READDIR
ioctls which hard-code the 256 namelen size into the ioctl constant.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20211114103539.298686-3-richard.henderson@linaro.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
