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In the assert checking the array dereference of JobVerbTable[verb]
in job_apply_verb() the check of the index, verb, allows an overrun
because an index equal to the array size is permitted.
Similarly, in the assert check of JobSTT[s0][s1] with index s1
in job_state_transition(), an off-by-one overrun is not flagged
either.
This is not a run-time issue as there are no callers actually
passing in the max value.
Signed-off-by: Liam Merwick <Liam.Merwick@oracle.com>
Reviewed-by: Darren Kenny <Darren.Kenny@oracle.com>
Reviewed-by: Mark Kanda <Mark.Kanda@oracle.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Message-id: 1541453919-25973-2-git-send-email-Liam.Merwick@oracle.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
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This adds configure options to control the following block drivers:
* Bochs
* Cloop
* Dmg
* Qcow (V1)
* Vdi
* Vvfat
* qed
* parallels
* sheepdog
Each of these defaults to being enabled.
Signed-off-by: Jeff Cody <jcody@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-id: 20181107063644.2254-1-armbru@redhat.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
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Signed-off-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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The lock_fd field is not strictly necessary because transferring locked
bytes from old fd to the new one shouldn't fail anyway. This spares the
user one fd per image.
Signed-off-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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If we know we've already locked the bytes, don't do it again; similarly
don't unlock a byte if we haven't locked it. This doesn't change the
behavior, but fixes a corner case explained below.
Libvirt had an error handling bug that an image can get its (ownership,
file mode, SELinux) permissions changed (RHBZ 1584982) by mistake behind
QEMU. Specifically, an image in use by Libvirt VM has:
$ ls -lhZ b.img
-rw-r--r--. qemu qemu system_u:object_r:svirt_image_t:s0:c600,c690 b.img
Trying to attach it a second time won't work because of image locking.
And after the error, it becomes:
$ ls -lhZ b.img
-rw-r--r--. root root system_u:object_r:virt_image_t:s0 b.img
Then, we won't be able to do OFD lock operations with the existing fd.
In other words, the code such as in blk_detach_dev:
blk_set_perm(blk, 0, BLK_PERM_ALL, &error_abort);
can abort() QEMU, out of environmental changes.
This patch is an easy fix to this and the change is regardlessly
reasonable, so do it.
Signed-off-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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This avoid a memory leak in unhotplug nvme device.
Signed-off-by: Li Qiang <liq3ea@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Currently, when hotplug/unhotplug nvme device, it will cause an
assert in object.c. Following is the backtrack:
ERROR:qom/object.c:981:object_unref: assertion failed: (obj->ref > 0)
Thread 2 "qemu-system-x86" received signal SIGABRT, Aborted.
[Switching to Thread 0x7fffcbd32700 (LWP 18844)]
0x00007fffdb9e4fff in raise () from /lib/x86_64-linux-gnu/libc.so.6
(gdb) bt
/lib/x86_64-linux-gnu/libglib-2.0.so.0
/lib/x86_64-linux-gnu/libglib-2.0.so.0
qom/object.c:981
/home/liqiang02/qemu-upstream/qemu/memory.c:1732
/home/liqiang02/qemu-upstream/qemu/memory.c:285
util/qemu-thread-posix.c:504
/lib/x86_64-linux-gnu/libpthread.so.0
This is caused by memory_region_unref in nvme_exit.
Remove it to make the PCIdevice refcount correct.
Signed-off-by: Li Qiang <liq3ea@gmail.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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In the function external_snapshot_prepare() we have a
BlockdevSnapshotSync struct, which has the usual combination
of has_snapshot_node_name and snapshot_node_name fields for an
optional field. We set up a local variable
const char *snapshot_node_name =
s->has_snapshot_node_name ? s->snapshot_node_name : NULL;
and then mostly use "if (!snapshot_node_name)" for checking
whether we have a snapshot node name. The exception is that in
one place we check s->has_snapshot_node_name instead. This
confuses Coverity (CID 1396473), which thinks it might be
possible to get here with s->has_snapshot_node_name true but
snapshot_node_name NULL, and warns that the call to
qdict_put_str() will segfault in that case.
Make the code consistent and unconfuse Coverity by using
the same check for this conditional that we do in the rest
of the surrounding code.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alberto Garcia <berto@igalia.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Function block_latency_histogram_set may return error, but qapi ignore this.
This can be reproduced easily by qmp command:
virsh qemu-monitor-command INSTANCE '{"execute":"x-block-latency-histogram-set",
"arguments":{"device":"drive-virtio-disk1","boundaries":[10,200,40]}}'
In fact this command does not work, but we still get success result.
qmp_x_block_latency_histogram_set is a batch setting API, report error ASAP.
Signed-off-by: zhenwei pi <pizhenwei@bytedance.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Use error_report for situations that affect user operation (i.e. we're
actually returning error), and warn_report/warn_report_err when some
less critical error happened but the user operation can still carry on.
For raw_normalize_devicepath, add Error parameter to propagate to
its callers.
Suggested-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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'remotes/kraxel/tags/fixes-31-20181112-pull-request' into staging
fixes for 3.1: mark bt as deprecated, bugfixes for pulse, gtk and edid.
# gpg: Signature made Mon 12 Nov 2018 15:14:58 GMT
# gpg: using RSA key 4CB6D8EED3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>"
# gpg: aka "Gerd Hoffmann <gerd@kraxel.org>"
# gpg: aka "Gerd Hoffmann (private) <kraxel@gmail.com>"
# Primary key fingerprint: A032 8CFF B93A 17A7 9901 FE7D 4CB6 D8EE D3E8 7138
* remotes/kraxel/tags/fixes-31-20181112-pull-request:
ui/gtk: fix cursor in egl mode
pulseaudio: process audio data in smaller chunks
edid: silence a stringop-overflow warning
bt: Mark the bluetooth subsystem as deprecated
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Taking the address of a field in a packed struct is a bad idea, because
it might not be actually aligned enough for that pointer type (and
thus cause a crash on dereference on some host architectures). Newer
versions of clang warn about this. Avoid the bug by not using the
"modify in place" byte swapping functions.
Patch produced with scripts/coccinelle/inplace-byteswaps.cocci.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-id: 20181016175236.5840-1-peter.maydell@linaro.org
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In egl mode the scale_x and scale_y variables are not set, so the
scaling logic in the mouse motion event handler does not work.
Fix that. Also scale the cursor position in gd_egl_cursor_position().
Reported-by: Chen Zhang <tgfbeta@icloud.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Tested-by: Chen Zhang <tgfbeta@icloud.com>
Message-id: 20181107074949.13805-1-kraxel@redhat.com
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The rate of pulseaudio absorbing the audio stream is used to control the
the rate of the guests audio stream. When the emulated hardware uses
small chunks (like intel-hda does) we need small chunks on the audio
backend side too, otherwise that feedback loop doesn't work very well.
Cc: Max Ehrlich <maxehr@umiacs.umd.edu>
Cc: Martin Schrodt <martin@schrodt.org>
Buglink: https://bugs.launchpad.net/bugs/1795527
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20181109142032.1628-1-kraxel@redhat.com
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Simplify the code that doesn't need strncpy() since length of string
is already computed.
/home/elmarco/src/qemu/hw/display/edid-generate.c: In function 'edid_desc_text':
/home/elmarco/src/qemu/hw/display/edid-generate.c:168:5: error: 'strncpy' specified bound depends on the length of the source argument [-Werror=stringop-overflow=]
strncpy((char *)(desc + 5), text, len);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home/elmarco/src/qemu/hw/display/edid-generate.c:164:11: note: length computed here
len = strlen(text);
^~~~~~~~~~~~
cc1: all warnings being treated as errors
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-id: 20181110111623.31356-1-marcandre.lureau@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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It has been unmaintained since years, and there were only trivial or
tree-wide changes to the related files since many years, so the
code is likely very bitrotten and broken. For example the following
segfaults as soon as as you press a key:
qemu-system-x86_64 -usb -device usb-bt-dongle -bt hci -bt device:keyboard
Since we are not aware of anybody using bluetooth with the current
version of QEMU, let's mark the subsystem as deprecated, with a special
request for the users to write to the qemu-devel mailing list in case
they still use it (so we could revert the deprecation status in that
case).
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-id: 1542016830-19189-1-git-send-email-thuth@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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When you clone the repository without previous commit history, 'git://'
doesn't protect from man-in-the-middle attacks. HTTPS is more secure
since the client verifies the server certificate.
Cc: Philippe Mathieu-Daudé <f4bug@amsat.org>
Suggested-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Tested-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Message-id: 20181108111531.30671-9-stefanha@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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When you clone the repository without previous commit history, 'git://'
doesn't protect from man-in-the-middle attacks. HTTPS is more secure
since the client verifies the server certificate.
Cc: Richard Henderson <rth@twiddle.net>
Suggested-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Acked-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 20181108111531.30671-8-stefanha@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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When you clone the repository without previous commit history, 'git://'
doesn't protect from man-in-the-middle attacks. HTTPS is more secure
since the client verifies the server certificate.
Cc: Paolo Bonzini <pbonzini@redhat.com>
Suggested-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 20181108111531.30671-7-stefanha@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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When you clone the repository without previous commit history, 'git://'
doesn't protect from man-in-the-middle attacks. HTTPS is more secure
since the client verifies the server certificate.
Suggested-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20181108111531.30671-6-stefanha@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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When you clone the repository without previous commit history, 'git://'
doesn't protect from man-in-the-middle attacks. HTTPS is more secure
since the client verifies the server certificate.
Also change git.qemu-project.org to git.qemu.org (we control both domain
names but qemu.org is used more widely).
Reported-by: Jann Horn <jannh@google.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20181108111531.30671-5-stefanha@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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When you clone the repository without previous commit history, 'git://'
doesn't protect from man-in-the-middle attacks. HTTPS is more secure
since the client verifies the server certificate.
Reported-by: Jann Horn <jannh@google.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Acked-by: Cornelia Huck <cohuck@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20181108111531.30671-4-stefanha@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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When you clone the repository without previous commit history, 'git://'
doesn't protect from man-in-the-middle attacks. HTTPS is more secure
since the client verifies the server certificate.
Reported-by: Jann Horn <jannh@google.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 20181108111531.30671-3-stefanha@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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When you clone the repository without previous commit history, 'git://'
doesn't protect from man-in-the-middle attacks. HTTPS is more secure
since the client verifies the server certificate.
Reported-by: Jann Horn <jannh@google.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Message-id: 20181108111531.30671-2-stefanha@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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staging
slirp updates
Peter Maydell (4):
slirp: Don't pass possibly -1 fd to send()
slirp: Use g_new() to allocate sockets in socreate()
slirp: Remove code that handles socreate() failure
slirp: fork_exec(): create and connect child socket before fork()
# gpg: Signature made Sat 10 Nov 2018 14:08:53 GMT
# gpg: using RSA key E3F65A9E9560DB4C
# gpg: Good signature from "Samuel Thibault <samuel.thibault@aquilenet.fr>"
# gpg: aka "Samuel Thibault <sthibault@debian.org>"
# gpg: aka "Samuel Thibault <samuel.thibault@gnu.org>"
# gpg: aka "Samuel Thibault <samuel.thibault@inria.fr>"
# gpg: aka "Samuel Thibault <samuel.thibault@labri.fr>"
# gpg: aka "Samuel Thibault <samuel.thibault@ens-lyon.org>"
# gpg: aka "Samuel Thibault <samuel.thibault@u-bordeaux.fr>"
# 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: 900C B024 B679 31D4 0F82 304B D017 8C76 7D06 9EE6
# Subkey fingerprint: 33FA 7B64 6195 01F8 CE9C 8F97 E3F6 5A9E 9560 DB4C
* remotes/thibault/tags/samuel-thibault:
slirp: fork_exec(): create and connect child socket before fork()
slirp: Remove code that handles socreate() failure
slirp: Use g_new() to allocate sockets in socreate()
slirp: Don't pass possibly -1 fd to send()
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Currently fork_exec() fork()s, and then creates and connects the
child socket which it uses for communication with the parent in
the child process. This is awkward because the child has no
mechanism to report failure back to the parent, which might end
up blocked forever in accept(). The child code also has an issue
pointed out by Coverity (CID 1005727), where if the qemu_socket()
call fails it will pass -1 as a file descriptor to connect().
Fix these issues by moving the creation of the child's end of
the socket to before the fork(), where we are in a position to
handle a possible failure.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
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Now that socreate() can never fail, we can remove the code
that was trying to handle that situation.
In particular this removes code in tcp_connect() that
provoked Coverity to complain (CID 1005724): in
closesocket(accept(inso->s, (struct sockaddr *)&addr, &addrlen));
if the accept() call fails then we pass closesocket() -1
instead of a valid file descriptor.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
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The slirp socreate() function can only fail if the attempt
to malloc() the struct socket fails. Switch to using
g_new() instead, which will allow us to remove the
error-handling code from its callers.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
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Coverity complains (CID 1005726) that we might pass -1 as the fd
argument to send() in slirp_send(), because we previously checked for
"so->s == -1 && so->extra". The case of "so->s == -1 but so->extra
NULL" should not in theory happen, but it is hard to guarantee
because various places in the code do so->s = qemu_socket(...) and so
will end up with so->s == -1 on failure, and not all the paths which
call that always throw away the socket in that case (eg
tcp_fconnect()). So just check specifically for the condition and
fail slirp_send().
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
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Fixes a potential use-after-free issue that could be triggered by a
misbehaving guest.
# gpg: Signature made Thu 08 Nov 2018 20:36:48 GMT
# gpg: using RSA key 71D4D5E5822F73D6
# gpg: Good signature from "Greg Kurz <groug@kaod.org>"
# gpg: aka "Gregory Kurz <gregory.kurz@free.fr>"
# gpg: aka "[jpeg image of size 3330]"
# Primary key fingerprint: B482 8BAF 9431 40CE F2A3 4910 71D4 D5E5 822F 73D6
* remotes/gkurz/tags/for-upstream:
9p: write lock path in v9fs_co_open2()
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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The assumption that the fid cannot be used by any other operation is
wrong. At least, nothing prevents a misbehaving client to create a
file with a given fid, and to pass this fid to some other operation
at the same time (ie, without waiting for the response to the creation
request). The call to v9fs_path_copy() performed by the worker thread
after the file was created can race with any access to the fid path
performed by some other thread. This causes use-after-free issues that
can be detected by ASAN with a custom 9p client.
Unlike other operations that only read the fid path, v9fs_co_open2()
does modify it. It should hence take the write lock.
Cc: P J P <ppandit@redhat.com>
Reported-by: zhibin hu <noirfate@gmail.com>
Signed-off-by: Greg Kurz <groug@kaod.org>
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into staging
A Single RISC-V Patch for 3.1-rc1
This tag contains a single patch that I'd like to target for rc1: a fix
for a memory leak that was detected by static code analysis.
There are still three patch sets that I'd like to try to get up for 3.1:
* The patch set Basian just published that contains fixes for a pair of
issues he found when converting our port to decodetree.
* An as-of-yet-unwritten fix to the third issue that Basian pointed out.
* A fix to our fflags bug, which is currently coupled to some CSR
refactoring that I don't think is OK for 3.1.
I'm at Plumbers next week (and I think Alistair is there too?), but I'll
try to find a way to squeeze in as much as possible.
# gpg: Signature made Thu 08 Nov 2018 16:50:27 GMT
# gpg: using RSA key EF4CA1502CCBAB41
# gpg: Good signature from "Palmer Dabbelt <palmer@dabbelt.com>"
# gpg: aka "Palmer Dabbelt <palmer@sifive.com>"
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg: There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 00CE 76D1 8349 60DF CE88 6DF8 EF4C A150 2CCB AB41
* remotes/riscv/tags/riscv-for-master-3.1-rc1:
riscv: spike: Fix memory leak in the board init
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Coverity caught a malloc() call that was never freed. This patch ensures
that we free the memory but also updates the allocation to use
g_strdup_printf() instead of malloc().
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Suggested-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Palmer Dabbelt <palmer@sifive.com>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
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The tcg-op.h header was missing the usual guard against multiple
inclusion; add it.
(Spotted by lgtm.com's static analyzer.)
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20181108125256.30986-1-peter.maydell@linaro.org
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into staging
ppc patch queue 2018-11-08
Here's another patch of accumulated ppc patches for qemu-3.1.
Highlights are:
* Support for nested HV KVM on POWER9 hosts
* Remove Alex Graf as ppc maintainer
* Emulation of external PID instructions
# gpg: Signature made Thu 08 Nov 2018 12:14:27 GMT
# gpg: using RSA key 6C38CACA20D9B392
# gpg: Good signature from "David Gibson <david@gibson.dropbear.id.au>"
# gpg: aka "David Gibson (Red Hat) <dgibson@redhat.com>"
# gpg: aka "David Gibson (ozlabs.org) <dgibson@ozlabs.org>"
# gpg: aka "David Gibson (kernel.org) <dwg@kernel.org>"
# Primary key fingerprint: 75F4 6586 AE61 A66C C44E 87DC 6C38 CACA 20D9 B392
* remotes/dgibson/tags/ppc-for-3.1-20181108: (22 commits)
ppc/spapr_caps: Add SPAPR_CAP_NESTED_KVM_HV
target/ppc: Add one reg id for ptcr
This patch fixes processing of rfi instructions in icount mode.
hw/ppc/ppc440_uc: Remove dead code in sdram_size()
MAINTAINERS: PPC: Remove myself
ppc/pnv: check size before data buffer access
target/ppc: fix mtmsr instruction for icount
hw/ppc/mac_newworld: Free openpic_irqs array after use
macio/pmu: Fix missing vmsd terminator
spapr_pci: convert g_malloc() to g_new()
target/ppc: Split out float_invalid_cvt
target/ppc: Split out float_invalid_op_div
target/ppc: Split out float_invalid_op_mul
target/ppc: Split out float_invalid_op_addsub
target/ppc: Introduce fp number classification
target/ppc: Remove float_check_status
target/ppc: Split up float_invalid_op_excp
hw/ppc/spapr_rng: Introduce CONFIG_SPAPR_RNG switch for spapr_rng.c
PPC: e500: convert SysBus init method to a realize method
ppc4xx_pci: convert SysBus init method to a realize method
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Currently replay_get_byte() does not check for an error
from getc(). Coverity points out (CID 1390622) that this
could result in unexpected behaviour (such as looping
forever, if we use the replay_get_dword() return value
for a loop count). We don't expect reads from the replay
log to fail, and if they do there is no way we can
continue. So make them fatal errors.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Pavel Dovgalyuk <pavel.dovgaluk@ispras.ru>
Message-id: 20181106153330.5139-1-peter.maydell@linaro.org
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* icount fix (Clement)
* dumping fixes for non-volatile memory (Marc-André, myself)
* x86 emulation fix (Rudolf)
* recent Hyper-V CPUID flag (Vitaly)
* Q35 doc fix (Daniel)
* lsi fix (Prasad)
* SCSI block limits emulation fixes (myself)
* qemu_thread_atexit rework (Peter)
* ivshmem memory leak fix (Igor)
# gpg: Signature made Tue 06 Nov 2018 21:34:30 GMT
# gpg: using RSA key BFFBD25F78C7AE83
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>"
# gpg: aka "Paolo Bonzini <pbonzini@redhat.com>"
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4 E2F7 7E15 100C CD36 69B1
# Subkey fingerprint: F133 3857 4B66 2389 866C 7682 BFFB D25F 78C7 AE83
* remotes/bonzini/tags/for-upstream:
util/qemu-thread-posix: Fix qemu_thread_atexit* for OSX
include/qemu/thread.h: Document qemu_thread_atexit* API
scsi-generic: do not do VPD emulation for sense other than ILLEGAL_REQUEST
scsi-generic: avoid invalid access to struct when emulating block limits
scsi-generic: avoid out-of-bounds access to VPD page list
scsi-generic: keep VPD page list sorted
lsi53c895a: check message length value is valid
scripts/dump-guest-memory: Synchronize with guest_phys_blocks_region_add
memory-mapping: skip non-volatile memory regions in GuestPhysBlockList
nvdimm: set non-volatile on the memory region
memory: learn about non-volatile memory region
target/i386: Clear RF on SYSCALL instruction
MAINTAINERS: remove or downgrade myself to reviewer from some subsystems
ivshmem: fix memory backend leak
i386: clarify that the Q35 machine type implements a P35 chipset
x86: hv_evmcs CPU flag support
icount: fix deadlock when all cpus are sleeping
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Add the spapr cap SPAPR_CAP_NESTED_KVM_HV to be used to control the
availability of nested kvm-hv to the level 1 (L1) guest.
Assuming a hypervisor with support enabled an L1 guest can be allowed to
use the kvm-hv module (and thus run it's own kvm-hv guests) by setting:
-machine pseries,cap-nested-hv=true
or disabled with:
-machine pseries,cap-nested-hv=false
Signed-off-by: Suraj Jitindar Singh <sjitindarsingh@gmail.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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The ptcr (partition table control register) is used to store the address
and size of the partition table. For nested kvm-hv we have a level 1
guest register the location of it's partition table with the hypervisor.
Thus to support migration we need to be able to read this out of kvm
and restore it post migration.
Add the one reg id for the ptcr.
Signed-off-by: Suraj Jitindar Singh <sjitindarsingh@gmail.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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In this mode writing to interrupt/peripheral state is controlled
by can_do_io flag. This flag must be set explicitly before helper
function invocation.
Signed-off-by: Maria Klimushenkova <maria.klimushenkova@ispras.ru>
Signed-off-by: Pavel Dovgalyuk <pavel.dovgaluk@ispras.ru>
Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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Coverity points out in CID 1390588 that the test for sh == 0
in sdram_size() can never fire, because we calculate sh with
sh = 1024 - ((bcr >> 6) & 0x3ff);
which must result in a value between 1 and 1024 inclusive.
Without the relevant manual for the SoC, we're not completely
sure of the correct behaviour here, but we can remove the
dead code without changing how QEMU currently behaves.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Laurent Vivier <lvivier@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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I haven't really been maintaining any PowerPC code for quite a while now,
so let's reflect reality: David does all the work and embedded PPC is in
"Odd Fixes" state rather than supported now.
Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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While performing PowerNV memory r/w operations, the access length
'sz' could exceed the data[4] buffer size. Add check to avoid OOB
access.
Reported-by: Moguofang <moguofang@huawei.com>
Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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This patch fixes processing of mtmsr instructions in icount mode.
In this mode writing to interrupt/peripheral state is controlled
by can_do_io flag. This flag must be set explicitly before helper
function invocation.
Signed-off-by: Maria Klimushenkova <maria.klimushenkova@ispras.ru>
Signed-off-by: Pavel Dovgalyuk <pavel.dovgaluk@ispras.ru>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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In ppc_core99_init(), we allocate an openpic_irqs array, which
we then use to collect up the various qemu_irqs which we're
going to connect to the interrupt controller. Once we've
called sysbus_connect_irq() to connect them all up, the
array is no longer required, but we forgot to free it.
Since board init is only run once at startup, the memory
leak is not a significant one.
Spotted by Coverity: CID 1192916.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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Fix missing terminator in VMStateDescription
Fixes: d811d61fbc6ca5f2be2185fd7cfa916e7ba613ce
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Laurent Vivier <lvivier@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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When allocating an array, it is a recommended coding practice to call
g_new(FooType, n) instead of g_malloc(n * sizeof(FooType)) because
it takes care to avoid overflow when calculating the size of the
allocated block and it returns FooType *, which allows the compiler
to perform type checking.
Signed-off-by: Greg Kurz <groug@kaod.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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