Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <1470224274-31522-5-git-send-email-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Cc: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <1470224274-31522-4-git-send-email-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Commit 5d596c2's regexp assumes the error message string is the first
argument. Correct for error_report(), wrong for all the others.
Relax the regexp to match newline in anywhere. This might cause
additional false positives.
While there, update the list of error_reporting functions.
Cc: Jason J. Herne <jjherne@linux.vnet.ibm.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <1470224274-31522-3-git-send-email-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Commit 9af9e0f, 6daf194d, be62a2eb and 312fd5f got rid of a bunch, but
they keep coming back. checkpatch.pl tries to flag them since commit
5d596c2, but it's not very good at it. Offenders tracked down with
Coccinelle script scripts/coccinelle/err-bad-newline.cocci, an updated
version of the script from commit 312fd5f.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <1470224274-31522-2-git-send-email-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
When a TCE table (sPAPR IOMMU context) is in disabled state (which is true
by default for the 64-bit window), it has tcet->nb_table == 0 and
tcet->table == NULL. However, on system reset, spapr_tce_reset() executes,
which unconditionally calls
memset(tcet->table, 0, table_size);
We get away with this in practice, because it's a zero length memset(),
but memset() on a NULL pointer is undefined behaviour, so we should not
call it in this case.
Reported-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
res_count should be set to the number of outstanding bytes after a DBDMA
request. Unfortunately this wasn't being set to zero by the non-block
transfer codepath meaning drivers that checked the descriptor result for
such requests (e.g reading the CDROM TOC) would assume from a non-zero result
that the transfer had failed.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Prior to c8721d3 "spapr: Error out when CPU hotplug is attempted on older
pseries machines", attempting to use query-hotpluggable-cpus on pseries-2.6
and earlier machine types would SEGV.
That change fixed that, but due to some unexpected interactions in init
order and a brown-paper-bag worthy failure to test, it accidentally
disabled query-hotpluggable-cpus for all pseries machine types, including
the current one which should allow it.
In fact, query_hotpluggable_cpus needs to be non-NULL when and only when
the dr_cpu_enabled flag in sPAPRMachineClass is set, which makes
dr_cpu_enabled itself redundant.
This patch removes dr_cpu_enabled, instead directly setting
query_hotpluggable_cpus from the machine class_init functions, and using
that to determine the availability of CPU hotplug when necessary.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
ahci-test /x86_64/ahci/io/dma/lba28/retry triggers the following leak:
Direct leak of 16 byte(s) in 1 object(s) allocated from:
#0 0x7fc4b2a25e20 in malloc (/lib64/libasan.so.3+0xc6e20)
#1 0x7fc4993bce58 in g_malloc (/lib64/libglib-2.0.so.0+0x4ee58)
#2 0x556a187d4b34 in ahci_populate_sglist hw/ide/ahci.c:896
#3 0x556a187d8237 in ahci_dma_prepare_buf hw/ide/ahci.c:1367
#4 0x556a187b5a1a in ide_dma_cb hw/ide/core.c:844
#5 0x556a187d7eec in ahci_start_dma hw/ide/ahci.c:1333
#6 0x556a187b650b in ide_start_dma hw/ide/core.c:921
#7 0x556a187b61e6 in ide_sector_start_dma hw/ide/core.c:911
#8 0x556a187b9e26 in cmd_write_dma hw/ide/core.c:1486
#9 0x556a187bd519 in ide_exec_cmd hw/ide/core.c:2027
#10 0x556a187d71c5 in handle_reg_h2d_fis hw/ide/ahci.c:1204
#11 0x556a187d7681 in handle_cmd hw/ide/ahci.c:1254
#12 0x556a187d168a in check_cmd hw/ide/ahci.c:510
#13 0x556a187d0afc in ahci_port_write hw/ide/ahci.c:314
#14 0x556a187d105d in ahci_mem_write hw/ide/ahci.c:435
#15 0x556a1831d959 in memory_region_write_accessor /home/elmarco/src/qemu/memory.c:525
#16 0x556a1831dc35 in access_with_adjusted_size /home/elmarco/src/qemu/memory.c:591
#17 0x556a18323ce3 in memory_region_dispatch_write /home/elmarco/src/qemu/memory.c:1262
#18 0x556a1828cf67 in address_space_write_continue /home/elmarco/src/qemu/exec.c:2578
#19 0x556a1828d20b in address_space_write /home/elmarco/src/qemu/exec.c:2635
#20 0x556a1828d92b in address_space_rw /home/elmarco/src/qemu/exec.c:2737
#21 0x556a1828daf7 in cpu_physical_memory_rw /home/elmarco/src/qemu/exec.c:2746
#22 0x556a183068d3 in cpu_physical_memory_write /home/elmarco/src/qemu/include/exec/cpu-common.h:72
#23 0x556a18308194 in qtest_process_command /home/elmarco/src/qemu/qtest.c:382
#24 0x556a18309999 in qtest_process_inbuf /home/elmarco/src/qemu/qtest.c:573
#25 0x556a18309a4a in qtest_read /home/elmarco/src/qemu/qtest.c:585
#26 0x556a18598b85 in qemu_chr_be_write_impl /home/elmarco/src/qemu/qemu-char.c:387
#27 0x556a18598c52 in qemu_chr_be_write /home/elmarco/src/qemu/qemu-char.c:399
#28 0x556a185a2afa in tcp_chr_read /home/elmarco/src/qemu/qemu-char.c:2902
#29 0x556a18cbaf52 in qio_channel_fd_source_dispatch io/channel-watch.c:84
Follow John Snow recommendation:
Everywhere else ncq_err is used, it is accompanied by a list cleanup
except for ncq_cb, which is the case you are fixing here.
Move the sglist destruction inside of ncq_err and then delete it from
the other two locations to keep it tidy.
Call dma_buf_commit in ide_dma_cb after the early return. Though, this
is also a little wonky because this routine does more than clear the
list, but it is at the moment the centralized "we're done with the
sglist" function and none of the other side effects that occur in
dma_buf_commit will interfere with the reset that occurs from
ide_restart_bh, I think
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
qdev_get_dev_path() returns an allocated string, free it when no longer
needed.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
The list is created during instance init and further populated with
usb_desc_set_string(). Clear it when unrealizing the device.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Clear the list when finalizing. The list is created during realize with
virtio_input_idstr_config() and later by further calls to
virtio_input_init_config() and virtio_input_add_config().
This leak can be reproduced with device-introspect-test -p
/x86_64/device/introspect/concrete.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Release the qstring allocated in qjson_new().
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Each irq is referenced by the IDEBus in ide_init2(), thus we can free
the no longer used array.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Acked-by: John Snow <jsnow@redhat.com>
Similarly to other chr_close callbacks, free char type specific data.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Make sure the connection data got freed when closing the chardev, to
avoid leaks. Introduce tcp_chr_free_connection() to clean all connection
related data, and move some tcp_chr_close() clean-ups there.
(while at it, set write_msgfds_num to 0 when clearing array in
tcp_set_msgfds())
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
In all cases, call qapi_free_NumaOptions(), by using a common ending
block.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Rather than rely on recursion during the middle of register allocation,
lower indirect registers to loads and stores off the indirect base into
plain temps.
For an x86_64 host, with sufficient registers, this results in identical
code, modulo the actual register assignments.
For an i686 host, with insufficient registers, this means that temps can
be (temporarily) spilled to the stack in order to satisfy an allocation.
This as opposed to the possibility of not being able to spill, to allocate
a register for the indirect base, in order to perform a spill.
Reviewed-by: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Richard Henderson <rth@twiddle.net>
We only need two bits per temporary. Fold the two bytes into one,
and reduce the memory and cachelines required during compilation.
Reviewed-by: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Richard Henderson <rth@twiddle.net>
Reduce the size of other bitfields to make room.
This reduces the cache footprint of compilation.
Reviewed-by: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Richard Henderson <rth@twiddle.net>
Instead of using -1 as end of chain, use 0, and link through the 0
entry as a fully circular double-linked list.
Reviewed-by: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Richard Henderson <rth@twiddle.net>
This reduces both memory usage and per-insn cacheline usage
during code generation.
Reviewed-by: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Richard Henderson <rth@twiddle.net>
We have three qtest tests which have test names ending with "error".
This is awkward because the output of verbose test runs looks like
/crypto/task/error: OK
/crypto/task/thread_error: OK
which gives false positives if you are grepping build logs for
errors by looking for "error:". Since there are only three tests
with this problem, just rename them all to 'failure' instead.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Daniel P. Berrange <berrange@redhat.com>
Message-id: 1470307178-22848-1-git-send-email-peter.maydell@linaro.org
On Windows, such files were not truncated like on all other hosts.
Now we also test whether truncation is needed when running on Windows.
The append case was also incorrect because it needs a different value
for the desired access mode.
Reported-by: Benjamin David Lunt <fys@fysnet.net>
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 1470114877-1466-1-git-send-email-sw@weilnetz.de
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Version: GnuPG v2
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Merge remote-tracking branch 'remotes/famz/tags/docker-pull-request' into staging
# gpg: Signature made Fri 05 Aug 2016 09:58:50 BST
# 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/docker-pull-request:
docker: Add "--enable-werror" to configure command line
docker: Be compatible with older docker
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This is stale after commit 6e40b3bf (virtio-blk: Use blk_drain() to
drain IO requests), remove it.
Suggested-by: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Message-id: 1470278654-13525-3-git-send-email-famz@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
At system_reset, there is no point in retrying the queued request,
because the driver that issued the request won't be around any more.
Analyzed-by: Laszlo Ersek <lersek@redhat.com>
Reported-by: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Message-id: 1470278654-13525-2-git-send-email-famz@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This checks that making FOO_max lower than FOO is not allowed.
We could also forbid having FOO_max == FOO, but that doesn't have
any odd side effects and it would require us to update several other
tests, so let's keep it simple.
Signed-off-by: Alberto Garcia <berto@igalia.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-id: 2f90f9ee58aa14b7bd985f67c5996b06e0ab6c19.1469693110.git.berto@igalia.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Setting FOO_max to a value that is lower than FOO does not make
sense, and it produces odd results depending on the value of
FOO_max_length. Although the user should not set that configuration
in the first place it's better to reject it explicitly.
https://bugzilla.redhat.com/show_bug.cgi?id=1355665
Signed-off-by: Alberto Garcia <berto@igalia.com>
Reported-by: Gu Nini <ngu@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-id: 663d5aca406060e31f80d8113f77b6feee63b919.1469693110.git.berto@igalia.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Before this patch incorrect image could be created via qemu-img
(Example: qemu-img create -f parallels -o size=4096T hack.img),
incorrect images cannot be used due to overflow in main image structure.
This patch add check of size in image creation.
After reading size it compare it with UINT32_MAX * cluster_size.
Signed-off-by: Klim Kireev <proffk@virtuozzo.mipt.ru>
Signed-off-by: Denis V. Lunev <den@openvz.org>
Message-id: 1469639300-12155-1-git-send-email-den@openvz.org
CC: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
The broken Identify implementation in earlier Qemu versions means we
need to blacklist it from issueing the NVMe 1.1 Identify Namespace List
command. As we want to be able to use it in newer Qemu versions we need
a way to identify those. Bump the PCI revision as a guest visible
indicator of this bug fix.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
NVMe 1.1 requires devices to implement a Namespace List subcommand of
the identify command. Qemu not only not implements this features, but
also misinterprets it as an Identify Controller request. Due to this
any OS trying to use the Namespace List will fail the probe.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Commit 0d978913 changed blockdev-backup to accept arbitrary node names
instead of device names (i.e. root nodes) for the backup target.
However, it forgot to make the same change in transactions and to update
the documentation. This patch fixes these omissions.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Fam Zheng <famz@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
By not using "--format" with docker images command.
The option is not available on RHEL 7 docker command. Use an awk
matching command instead.
Reported-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Fam Zheng <famz@redhat.com>
Message-Id: <1470202928-3392-1-git-send-email-famz@redhat.com>
Commit 5a11d0f7 mistakenly converted a log message into an error
condition when no pin interrupt is found for the pci device being
passed through. Revert that part of the commit.
Signed-off-by: Bruce Rogers <brogers@suse.com>
Signed-off-by: Stefano Stabellini <sstabellini@kernel.org>
Acked-by: Anthony PERARD <anthony.perard@citrix.com>
In do_brk(), we were inadvertently truncating the size
of a requested brk() from the guest by putting it into an
'int' variable. This meant that we would incorrectly report
success back to the guest rather than a failed allocation,
typically resulting in the guest then segfaulting. Use
abi_ulong instead.
This fixes a crash in the '31370.cc' test in the gcc libstdc++ test
suite (the test case starts by trying to allocate a very large
size and reduces the size until the allocation succeeds).
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
The target_semid_ds structure is not correct for all
architectures: the padding fields should only exist for:
* 32-bit ABIs
* x86
It is also misnamed, since it is following the kernel
semid64_ds structure (QEMU doesn't support the legacy
semid_ds structure at all). Rename the struct, provide
a correct generic definition and allow the oddball x86
architecture to provide its own version.
This fixes broken SYSV semaphores for all our 64-bit
architectures except x86 and ppc.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
Use g_strlcpy() rather than strcpy() to copy the uname string
into the structure we return to the guest for the uname syscall.
This avoids overrunning the buffer if the user passed us an
overlong string via the QEMU command line.
We fix a comment typo while we're in the neighbourhood.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
In open_self_cmdline() we look for a 0 in the buffer we read
from /prc/self/cmdline. We were incorrectly passing the length
of our buf[] array to memchr() as the length to search, rather
than the number of bytes we actually read into it, which could
be shorter. This was spotted by Coverity (because it could
result in our trying to pass a negative length argument to
write()).
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
For i386, the ABI specifies that 'long long' (8 byte values)
need only be 4 aligned, but we were requiring them to be
8-aligned. This meant we were laying out the target_epoll_event
structure wrongly. Add a suitable ifdef to abitypes.h to
specify the i386-specific alignment requirement.
Reported-by: Icenowy Zheng <icenowy@aosc.xyz>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
* remove unused functions
* qht segfault and memory leak fixes
* NBD fixes
* Fix for non-power-of-2 discard granularity
* Memory hotplug fixes
* Migration regressions
* IOAPIC fixes and (disabled by default) EOI register support
* Various other small fixes
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Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging
* xsetbv fix (x86 targets TCG)
* remove unused functions
* qht segfault and memory leak fixes
* NBD fixes
* Fix for non-power-of-2 discard granularity
* Memory hotplug fixes
* Migration regressions
* IOAPIC fixes and (disabled by default) EOI register support
* Various other small fixes
# gpg: Signature made Wed 03 Aug 2016 18:01:05 BST
# gpg: using RSA key 0xBFFBD25F78C7AE83
# 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: (25 commits)
util: Fix assertion in iov_copy() upon zero 'bytes' and non-zero 'offset'
qdev: Fix use after free in qdev_init_nofail error path
Reorganize help output of '-display' option
x86: ioapic: add support for explicit EOI
x86: ioapic: ignore level irq during processing
apic: fix broken migration for kvm-apic
fw_cfg: Make base type "fw_cfg" abstract
block: Cater to iscsi with non-power-of-2 discard
osdep: Document differences in rounding macros
nbd: Limit nbdflags to 16 bits
nbd: Fix bad flag detection on server
i2c: fix migration regression introduced by broadcast support
mptsas: really fix migration compatibility
qdist: return "(empty)" instead of NULL when printing an empty dist
qdist: use g_renew and g_new instead of g_realloc and g_malloc.
qdist: fix memory leak during binning
target-i386: fix typo in xsetbv implementation
qht: do not segfault when gathering stats from an uninitialized qht
util: Drop inet_listen()
util: drop unix_nonblocking_connect()
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
In cases where iov_copy() is passed with zero 'bytes' argument and a
non-zero 'offset' argument, nothing gets copied - as expected.
However no copy iterations are performed, so 'offset' is left
unaltered, leading to the final assert(offset == 0) to fail.
Instead, change the loop condition to continue as long as 'offset || bytes',
similar to other iov_* functions.
This ensures 'offset' gets zeroed (even if no actual copy is made),
unless it is beyond end of source iov - which is asserted.
Signed-off-by: Shmulik Ladkani <shmulik.ladkani@ravellosystems.com>
Message-Id: <1470130880-1050-1-git-send-email-shmulik.ladkani@oracle.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Since 69382d8b (qdev: Fix object reference leak in case device.realize()
fails), object_property_set_bool could release the object. The error
path wants the type name, so hold an reference before realizing it.
Cc: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Fam Zheng <famz@redhat.com>
Message-Id: <1470109301-12966-1-git-send-email-famz@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
