The current implementation of the mincore(2) syscall sets errno to
EFAULT when the region identified by the first two parameters is
invalid.
This goes against the man page specification, where mincore(2) should
only fail with EFAULT when the third parameter is an invalid address;
and fail with ENOMEM when the checked region does not point to mapped
memory.
Signed-off-by: Franklin "Snaipe" Mathieu <snaipe@diacritic.io>
Cc: Riku Voipio <riku.voipio@linaro.org>
Cc: Aurelien Jarno <aurelien@aurel32.net>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20170217085800.28873-2-snaipe@diacritic.io>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
do_rt_sigreturn uses an uninitialised local variable instead of fetching
the old signal mask directly from the signal frame when restoring the mask,
so the signal mask is undefined after do_rt_sigreturn. As the signal
frame data is in target-endian order, target_to_host_sigset instead of
target_to_host_sigset_internal is required.
do_sigreturn is correct in using target_to_host_sigset_internal, because
get_user already did the endianness conversion.
Signed-off-by: Michael Karcher <karcher@physik.fu-berlin.de>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20170225110517.2832-3-laurent@vivier.eu>
Use cpu_m68k_get_ccr()/cpu_m68k_set_ccr() to setup and restore correctly
the value of SR in the ucontext structure
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20170225110517.2832-2-laurent@vivier.eu>
Note that x86_64 has only _rt signal handlers. This implementation
attempts to share code with the x86_32 implementation.
CC: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: Allan Wirth <awirth@akamai.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Pranith Kumar <bobby.prani@gmail.com>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20170226165345.8757-1-bobby.prani@gmail.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Since commit 5ea2fc8 ("linux-user: Sanity check clone flags"),
trying to run fork() fails with old distro on some architectures.
This is the case with HP-PA and Debian 5 (Lenny).
It fails on:
if ((flags & CSIGNAL) != TARGET_SIGCHLD) {
return -TARGET_EINVAL;
}
because flags is 17, whereas on HP-PA, SIGCHLD is 18.
17 is the SIGCHLD value of my host (x86_64).
It appears that for TARGET_NR_fork and TARGET_NR_vfork, QEMU calls
do_fork() with SIGCHLD instead of TARGET_SIGCHLD.
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20170216173707.16209-1-laurent@vivier.eu>
int64_t is in all likelihood the actual scalar type we want.
Yep, really.
Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=1219541
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Jeff Cody <jcody@redhat.com>
Signed-off-by: Jeff Cody <jcody@redhat.com>
XkbGetKeyboard does not work in XWayland and even on non-Wayland
X11 servers its use is discouraged:
https://bugs.freedesktop.org/show_bug.cgi?id=89240
This resolves a problem whereby QEMU prints
"could not lookup keycode name"
on startup when running under XWayland. Keymap handling is
however still broken after this commit, since Xwayland is
reporting a keymap we can't handle
"unknown keycodes `(unnamed)', please report to qemu-devel@nongnu.org"
NB, native Wayland support (which is the default under GTK3) is
not affected - only XWayland (which can be requested with GDK_BACKEND
on GTK3, and is the only option for GTK2).
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Message-id: 20170227132343.30824-1-berrange@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Helper function (and DisplayChangeListenerOps ptr) to disable scanouts.
Replaces using dpy_gl_scanout_texture with 0x0 size and no texture
specified.
Allows cleanups to make the io and gfx emulation code more readable.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 1487669841-13668-3-git-send-email-kraxel@redhat.com
We'll add a variant which accepts dmabufs soon. Change
the name so we can easily disturgish the two variants.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-id: 1487669841-13668-2-git-send-email-kraxel@redhat.com
nodes[id].next is written by other threads. If atomic_read is not used
(matching atomic_set in mcs_mutex_lock!) the compiler can optimize the
whole "if" away!
Reported-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Tested-by: Greg Kurz <groug@kaod.org>
Message-id: 20170227111726.9237-1-pbonzini@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Now that all bottom halves and callbacks take care of taking the
AioContext lock, we can migrate some users away from it and to a
specific QemuMutex or CoMutex.
Protect libiscsi calls with a QemuMutex. Callbacks are invoked
using bottom halves, so we don't even have to drop it around
callback invocations.
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 20170222180725.28611-4-pbonzini@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Now that all bottom halves and callbacks take care of taking the
AioContext lock, we can migrate some users away from it and to a
specific QemuMutex or CoMutex.
Protect libnfs calls with a QemuMutex. Callbacks are invoked
using bottom halves, so we don't even have to drop it around
callback invocations.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 20170222180725.28611-3-pbonzini@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Crypto routines 'qcrypto_cipher_get_block_len' and
'qcrypto_cipher_get_key_len' return non-zero cipher block and key
lengths from static arrays 'alg_block_len[]' and 'alg_key_len[]'
respectively. Returning 'zero(0)' value from either of them would
likely lead to an error condition.
Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
On error path, the 'salt' doesn't been freed thus leading
a memory leak. This patch avoid this.
Signed-off-by: Li Qiang <liqiang6-s@360.cn>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Now that all bottom halves and callbacks take care of taking the
AioContext lock, we can migrate some users away from it and to a
specific QemuMutex or CoMutex.
Protect BDRVCURLState access with a QemuMutex.
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 20170222180725.28611-2-pbonzini@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
nodes[id].next is written by other threads. If atomic_read is not used
(matching atomic_set in mcs_mutex_lock!) the compiler can optimize the
whole "if" away!
Reported-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Tested-by: Greg Kurz <groug@kaod.org>
Message-id: 20170227111726.9237-1-pbonzini@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Merge remote-tracking branch 'remotes/artyom/tags/pull-sun4v-20170226' into staging
Pull request for Niagara patches 2017 02 26
# gpg: Signature made Sun 26 Feb 2017 21:56:06 GMT
# gpg: using RSA key 0x3360C3F7411A125F
# gpg: Good signature from "Artyom Tarasenko <atar4qemu@gmail.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: 2AD8 6149 17F4 B2D7 05C0 BB12 3360 C3F7 411A 125F
* remotes/artyom/tags/pull-sun4v-20170226:
niagara: check if a serial port is available
niagara: fail if a firmware file is missing
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
fail if a firmware file is missing and not qtest_enabled(),
the later is necessary to allow some basic tests if
firmware is not available
Suggested-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Artyom Tarasenko <atar4qemu@gmail.com>
Coverity points out (CID 1005725) that an error-exit path in tcp_listen()
will try to close(s) even if the reason it got there was that the
qemu_socket() failed and s was never opened. Not only that, this isn't even
the right function to use, because we need closesocket() to do the right
thing on Windows. Change to using the right function and only calling it if
needed.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
The mbuf code currently doesn't check the result of doing a malloc()
or realloc() of its data (spotted by Coverity, CID 1238946).
Since the m_inc() API assumes that extending an mbuf must succeed,
just convert to g_malloc() and g_free().
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Check the return value from qemu_socket() rather than trying to
pass it to bind() as an fd argument even if it's negative.
This wouldn't have caused any negative consequences, because
it won't be a valid fd number and the bind call will fail;
but Coverity complains (CID 1005723).
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
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Merge remote-tracking branch 'remotes/kevin/tags/for-upstream' into staging
Block layer patches
# gpg: Signature made Fri 24 Feb 2017 18:08:26 GMT
# gpg: using RSA key 0x7F09B272C88F2FD6
# gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>"
# Primary key fingerprint: DC3D EB15 9A9A F95D 3D74 56FE 7F09 B272 C88F 2FD6
* remotes/kevin/tags/for-upstream:
tests: Use opened block node for block job tests
vvfat: Use opened node as backing file
block: Add bdrv_new_open_driver()
block: Factor out bdrv_open_driver()
block: Use BlockBackend for image probing
block: Factor out bdrv_open_child_bs()
block: Attach bs->file only during .bdrv_open()
block: Pass BdrvChild to bdrv_truncate()
mirror: Resize active commit base in mirror_run()
qcow2: Use BB for resizing in qcow2_amend_options()
blockdev: Use BlockBackend to resize in qmp_block_resize()
iotests: Fix another race in 030
qemu-img: Improve documentation for PREALLOC_MODE_FALLOC
qemu-img: Truncate before full preallocation
qemu-img: Add tests for raw image preallocation
qemu-img: Do not truncate before preallocation
qemu-iotests: redirect nbd server stdout to /dev/null
qemu-iotests: add ability to exclude certain protocols from tests
qemu-iotests: Test 137 only supports 'file' protocol
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
CHanges:
* Add the Boston board with fixing the make check issue on 32-bit hosts.
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Merge remote-tracking branch 'remotes/yongbok/tags/mips-20170224-2' into staging
MIPS patches 2017-02-24-2
CHanges:
* Add the Boston board with fixing the make check issue on 32-bit hosts.
# gpg: Signature made Fri 24 Feb 2017 11:43:45 GMT
# gpg: using RSA key 0x2238EB86D5F797C2
# gpg: Good signature from "Yongbok Kim <yongbok.kim@imgtec.com>"
# 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: 8600 4CF5 3415 A5D9 4CFA 2B5C 2238 EB86 D5F7 97C2
* remotes/yongbok/tags/mips-20170224-2:
hw/mips: MIPS Boston board support
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
- cleanups, fixes and improvements
- program check loop detection (useful with the corresponding kernel
patch)
- wire up virtio-crypto for ccw
- and finally support many virtqueues for virtio-ccw
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Merge remote-tracking branch 'remotes/cohuck/tags/s390x-20170224' into staging
A selection of s390x patches:
- cleanups, fixes and improvements
- program check loop detection (useful with the corresponding kernel
patch)
- wire up virtio-crypto for ccw
- and finally support many virtqueues for virtio-ccw
# gpg: Signature made Fri 24 Feb 2017 09:19:19 GMT
# gpg: using RSA key 0xDECF6B93C6F02FAF
# gpg: Good signature from "Cornelia Huck <huckc@linux.vnet.ibm.com>"
# gpg: aka "Cornelia Huck <cornelia.huck@de.ibm.com>"
# Primary key fingerprint: C3D0 D66D C362 4FF6 A8C0 18CE DECF 6B93 C6F0 2FAF
* remotes/cohuck/tags/s390x-20170224:
s390x/css: handle format-0 TIC CCW correctly
s390x/arch_dump: pass cpuid into notes sections
s390x/arch_dump: use proper note name and note size
virtio-ccw: support VIRTIO_QUEUE_MAX virtqueues
s390x: bump ADAPTER_ROUTES_MAX_GSI
virtio-ccw: check flic->adapter_routes_max_batch
s390x: add property adapter_routes_max_batch
virtio-ccw: Check the number of vqs in CCW_CMD_SET_IND
virtio-ccw: add virtio-crypto-ccw device
virtio-ccw: handle virtio 1 only devices
s390x/flic: fail migration on source already
s390x/kvm: detect some program check loops
s390x/s390-virtio: get rid of DPRINTF
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Hi Peter,
These are testing and build automation patches:
- Shippable.com powered CI config
- Docker cross build
- Fixes and MAINTAINERS tweaks.
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=JQKW
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Merge remote-tracking branch 'remotes/famz/tags/for-upstream' into staging
Docker testing and shippable patches
Hi Peter,
These are testing and build automation patches:
- Shippable.com powered CI config
- Docker cross build
- Fixes and MAINTAINERS tweaks.
# gpg: Signature made Fri 24 Feb 2017 06:31:10 GMT
# gpg: using RSA key 0xCA35624C6A9171C6
# gpg: Good signature from "Fam Zheng <famz@redhat.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: 5003 7CB7 9706 0F76 F021 AD56 CA35 624C 6A91 71C6
* remotes/famz/tags/for-upstream:
docker: Install python2 explicitly in docker image
MAINTAINERS: merge Build and test automation with Docker tests
.shippable.yml: new CI provider
new: debian docker targets for cross-compiling
tests/docker: add basic user mapping support
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Merge remote-tracking branch 'remotes/armbru/tags/pull-util-2017-02-23' into staging
option cutils: Fix and clean up number conversions
# gpg: Signature made Thu 23 Feb 2017 19:41:17 GMT
# gpg: using RSA key 0x3870B400EB918653
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>"
# gpg: aka "Markus Armbruster <armbru@pond.sub.org>"
# Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867 4E5F 3870 B400 EB91 8653
* remotes/armbru/tags/pull-util-2017-02-23: (24 commits)
option: Fix checking of sizes for overflow and trailing crap
util/cutils: Change qemu_strtosz*() from int64_t to uint64_t
util/cutils: Return qemu_strtosz*() error and value separately
util/cutils: Let qemu_strtosz*() optionally reject trailing crap
qemu-img: Wrap cvtnum() around qemu_strtosz()
test-cutils: Drop suffix from test_qemu_strtosz_simple()
test-cutils: Use qemu_strtosz() more often
util/cutils: Drop QEMU_STRTOSZ_DEFSUFFIX_* macros
util/cutils: New qemu_strtosz()
util/cutils: Rename qemu_strtosz() to qemu_strtosz_MiB()
util/cutils: New qemu_strtosz_metric()
test-cutils: Cover qemu_strtosz() around range limits
test-cutils: Cover qemu_strtosz() with trailing crap
test-cutils: Cover qemu_strtosz() invalid input
test-cutils: Add missing qemu_strtosz()... endptr checks
option: Fix to reject invalid and overflowing numbers
util/cutils: Clean up control flow around qemu_strtol() a bit
util/cutils: Clean up variable names around qemu_strtol()
util/cutils: Rename qemu_strtoll(), qemu_strtoull()
util/cutils: Rewrite documentation of qemu_strtol() & friends
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Rbd can do readv and writev directly, so wo do not need to transform
iov to buf or vice versa any more.
Signed-off-by: tianqing <tianqing@unitedstack.com>
Reviewed-by: Jeff Cody <jcody@redhat.com>
Signed-off-by: Jeff Cody <jcody@redhat.com>
if the passed qiov contains exactly one iov we can
pass the buffer directly.
Signed-off-by: Peter Lieven <pl@kamp.de>
Reviewed-by: Jeff Cody <jcody@redhat.com>
Message-id: 1487349541-10201-3-git-send-email-pl@kamp.de
Signed-off-by: Jeff Cody <jcody@redhat.com>
Signed-off-by: Peter Lieven <pl@kamp.de>
Reviewed-by: Jeff Cody <jcody@redhat.com>
Message-id: 1487349541-10201-2-git-send-email-pl@kamp.de
Signed-off-by: Jeff Cody <jcody@redhat.com>
blk_insert_bs() and block job related functions will soon require an
opened block node (permission calculations will involve the block
driver), so let our tests be consistent with the real users in this
respect.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
We should not try to assign a not yet opened node as the backing file,
because as soon as the permission system is added it will fail. The
just added bdrv_new_open_driver() function is the right tool to open a
file with an internal driver, use it.
In case anyone wonders whether that magic fake backing file to trigger a
special action on 'commit' actually works today: No, not for me. One
reason is that we've been adding a raw format driver on top for several
years now and raw doesn't support commit. Other reasons include that the
backing file isn't writable and the driver doesn't support reopen, and
it's also size 0 and the driver doesn't support bdrv_truncate. All of
these are easily fixable, but then 'commit' ended up in an infinite loop
deep in the vvfat code for me, so I thought I'd best leave it alone. I'm
not really sure what it was supposed to do anyway.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
This function allows to create more or less normal BlockDriverStates
even for BlockDrivers that aren't globally registered (e.g. helper
filters for block jobs).
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
This is a function that doesn't do any option parsing, but just does
some basic BlockDriverState setup and calls the .bdrv_open() function of
the block driver.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
This fixes the use of a parent-less BdrvChild in bdrv_open_inherit() by
converting it into a BlockBackend. Which is exactly what it should be,
image probing is an external, standalone user of a node. The requests
can't be considered to originate from the format driver node because
that one isn't even opened yet.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
