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2020-10-26Merge remote-tracking branch 'remotes/bonzini-gitlab/tags/for-upstream' into ↵Peter Maydell
staging * fix --disable-tcg builds (Claudio) * Fixes for macOS --enable-modules build and OpenBSD curses/iconv detection (myself) * Start preparing for meson 0.56 (myself) * Move directory configuration to meson (myself) * Start untangling qemu_init (myself) * Windows fixes (Sunil) * Remove -no-kbm (Thomas) # gpg: Signature made Mon 26 Oct 2020 11:12:17 GMT # gpg: using RSA key F13338574B662389866C7682BFFBD25F78C7AE83 # gpg: issuer "pbonzini@redhat.com" # gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full] # gpg: aka "Paolo Bonzini <pbonzini@redhat.com>" [full] # 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-gitlab/tags/for-upstream: machine: move SMP initialization from vl.c machine: move UP defaults to class_base_init machine: remove deprecated -machine enforce-config-section option win32: boot broken when bind & data dir are the same WHPX: Fix WHPX build break configure: move install_blobs from configure to meson configure: remove unused variable from config-host.mak configure: move directory options from config-host.mak to meson configure: allow configuring localedir Makefile: separate meson rerun from the rest of the ninja invocation Remove deprecated -no-kvm option replay: do not build if TCG is not available qtest: unbreak non-TCG builds in bios-tables-test hw/core/qdev-clock: add a reference on aliased clocks do not use colons in test names meson: rewrite curses/iconv test build: fix macOS --enable-modules build Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-10-26Merge remote-tracking branch 'remotes/cohuck/tags/s390x-20201026' into stagingPeter Maydell
some s390x fixes # gpg: Signature made Mon 26 Oct 2020 10:46:50 GMT # gpg: using RSA key C3D0D66DC3624FF6A8C018CEDECF6B93C6F02FAF # gpg: issuer "cohuck@redhat.com" # gpg: Good signature from "Cornelia Huck <conny@cornelia-huck.de>" [unknown] # gpg: aka "Cornelia Huck <huckc@linux.vnet.ibm.com>" [full] # gpg: aka "Cornelia Huck <cornelia.huck@de.ibm.com>" [full] # gpg: aka "Cornelia Huck <cohuck@kernel.org>" [unknown] # gpg: aka "Cornelia Huck <cohuck@redhat.com>" [unknown] # Primary key fingerprint: C3D0 D66D C362 4FF6 A8C0 18CE DECF 6B93 C6F0 2FAF * remotes/cohuck/tags/s390x-20201026: s390x: pv: Fix diag318 PV fencing s390x: pv: Remove sclp boundary checks s390x/s390-virtio-ccw: Reset PCI devices during subsystem reset Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-10-26Merge remote-tracking branch ↵Peter Maydell
'remotes/huth-gitlab/tags/pull-request-2020-10-26' into staging * qtest fixes (e.g. memory leaks) * Fix for Xen dummy cpu loop (which happened due to qtest accel rework) * Introduction of the generic device fuzzer * Run more check-acceptance tests in the gitlab-CI # gpg: Signature made Mon 26 Oct 2020 09:34:04 GMT # 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 <huth@tuxfamily.org>" [full] # gpg: aka "Thomas Huth <th.huth@posteo.de>" [unknown] # Primary key fingerprint: 27B8 8847 EEE0 2501 18F3 EAB9 2ED9 D774 FE70 2DB5 * remotes/huth-gitlab/tags/pull-request-2020-10-26: (31 commits) tests/acceptance: Use .ppm extention for Portable PixMap files tests/acceptance: Remove unused import test/docker/dockerfiles: Add missing packages for acceptance tests tests/acceptance: Enable AVOCADO_ALLOW_UNTRUSTED_CODE in the gitlab-CI test/acceptance: Remove the CONTINUOUS_INTEGRATION tags tests/acceptance/ppc_prep_40p: Fix the URL to the NetBSD-4.0 archive scripts/oss-fuzz: ignore the generic-fuzz target scripts/oss-fuzz: use hardlinks instead of copying fuzz: register predefined generic-fuzz configs fuzz: add generic-fuzz configs for oss-fuzz fuzz: add an "opaque" to the FuzzTarget struct fuzz: Add instructions for using generic-fuzz scripts/oss-fuzz: Add crash trace minimization script scripts/oss-fuzz: Add script to reorder a generic-fuzzer trace fuzz: add a crossover function to generic-fuzzer fuzz: add a DISABLE_PCI op to generic-fuzzer fuzz: Add support for custom crossover functions fuzz: Add fuzzer callbacks to DMA-read functions fuzz: Declare DMA Read callback function fuzz: Add DMA support to the generic-fuzzer ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-10-26Merge remote-tracking branch ↵Peter Maydell
'remotes/alistair/tags/pull-riscv-to-apply-20201023' into staging A collection of RISC-V fixes for the next QEMU release. This includes: - Improvements to logging output - Hypervisor instruction fixups - The ability to load a noMMU kernel - SiFive OTP support # gpg: Signature made Fri 23 Oct 2020 16:13:57 BST # gpg: using RSA key F6C4AC46D4934868D3B8CE8F21E10D29DF977054 # gpg: Good signature from "Alistair Francis <alistair@alistair23.me>" [full] # Primary key fingerprint: F6C4 AC46 D493 4868 D3B8 CE8F 21E1 0D29 DF97 7054 * remotes/alistair/tags/pull-riscv-to-apply-20201023: hw/misc/sifive_u_otp: Add backend drive support hw/misc/sifive_u_otp: Add write function and write-once protection target/riscv: raise exception to HS-mode at get_physical_address hw/riscv: Load the kernel after the firmware hw/riscv: Add a riscv_is_32_bit() function hw/riscv: Return the end address of the loaded firmware hw/riscv: sifive_u: Allow specifying the CPU target/riscv: Fix implementation of HLVX.WU instruction target/riscv: Fix update of hstatus.GVA in riscv_cpu_do_interrupt target/riscv: Fix update of hstatus.SPVP hw/intc: Move sifive_plic.h to the include directory riscv: Convert interrupt logs to use qemu_log_mask() Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-10-26machine: move SMP initialization from vl.cPaolo Bonzini
Initialize the object's values from the class when the object is created, no need to have vl.c do it for us. Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-10-26machine: move UP defaults to class_base_initPaolo Bonzini
Clean up vl.c, default min/max/default_cpus to uniprocessor directly in the QOM class initialization code. Reviewed-by: Thomas Huth <thuth@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-10-26machine: remove deprecated -machine enforce-config-section optionPaolo Bonzini
Deprecated since 3.1 and complicates the initialization sequence, remove it. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-10-26win32: boot broken when bind & data dir are the sameSunil Muthuswamy
With upstream commit#ea1edcd7da1a "vl: relocate paths to data directories", the data dir logic was unified between POSIX & Win32. That patch moved to using 'get_relocated_path()', to find the data dir. There is a latent bug in get_relocated_path which can cause it to spin indefinitely, when the bind dir is the same as the passed in dir (in this case, it was the data dir). Signed-off-by: Sunil Muthuswamy <sunilmut@microsoft.com> Message-Id: <SN4PR2101MB08802BF242C429A15DDB32ACC01B0@SN4PR2101MB0880.namprd21.prod.outlook.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-10-26WHPX: Fix WHPX build breakSunil Muthuswamy
With upstream commit#8a19980e3fc4, logic was introduced to only allow WHPX build on x64. But, the logic checks for the cpu family and not the cpu. On my fedora container build, the cpu family is x86 and the cpu is x86_64. Fixing the build break by checking for the cpu, instead of the cpu family. Signed-off-by: Sunil Muthuswamy <sunilmut@microsoft.com> Message-Id: <SN4PR2101MB0880D706A85793DDFC411304C01D0@SN4PR2101MB0880.namprd21.prod.outlook.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-10-26configure: move install_blobs from configure to mesonPaolo Bonzini
Move the conditions under which edk2 blobs are decompressed and installed to pc-bios/meson.build. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-10-26configure: remove unused variable from config-host.makPaolo Bonzini
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-10-26configure: move directory options from config-host.mak to mesonPaolo Bonzini
Since installation is not part of Makefiles anymore, Make need not know the directories anymore. Meson already knows them through built-in options, do everything using them instead of the config_host dictionary. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-10-26configure: allow configuring localedirPaolo Bonzini
Meson has a localedir option, so passing the path through that option is the cleanest way when we move directories out of config-host.mak. In preparation for doing that without changing semantics and without special-casing localedir code, add a configure option. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-10-26Makefile: separate meson rerun from the rest of the ninja invocationPaolo Bonzini
The rules to build Makefile.mtest are suffering from the "tunnel vision" problem that is common with recursive makefiles. Makefile.mtest depends on build.ninja, but Make does not know when build.ninja needs to be rebuilt before creating Makefile.mtest. To fix this, separate the ninja invocation into the "regenerate build files" phase and the QEMU build phase. Sentinel files such as meson-private/coredata.dat or build.ninja are used to figure out the phases that haven't run yet; however, because those files' timestamps are not guaranteed to be touched, the usual makefile stamp-file trick is used on top. Reported-by: Havard Skinnemoen <hskinnemoen@gmail.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-10-26Merge remote-tracking branch ↵Peter Maydell
'remotes/stefanha-gitlab/tags/block-pull-request' into staging Pull request v3: * Fix linker error on FreeBSD and other !CONFIG_LINUX host OSes [Peter] # gpg: Signature made Fri 23 Oct 2020 16:21:19 BST # gpg: using RSA key 8695A8BFD3F97CDAAC35775A9CA4ABB381AB73C8 # gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>" [full] # gpg: aka "Stefan Hajnoczi <stefanha@gmail.com>" [full] # Primary key fingerprint: 8695 A8BF D3F9 7CDA AC35 775A 9CA4 ABB3 81AB 73C8 * remotes/stefanha-gitlab/tags/block-pull-request: (28 commits) iotests: add commit top->base cases to 274 block/io: fix bdrv_is_allocated_above block/io: bdrv_common_block_status_above: support bs == base block/io: bdrv_common_block_status_above: support include_base block/io: fix bdrv_co_block_status_above block/export: add vhost-user-blk multi-queue support block/export: add iothread and fixed-iothread options block: move block exports to libblockdev qemu-storage-daemon: avoid compiling blockdev_ss twice util/vhost-user-server: use static library in meson.build util/vhost-user-server: move header to include/ block/export: convert vhost-user-blk server to block export API block/export: report flush errors util/vhost-user-server: rework vu_client_trip() coroutine lifecycle util/vhost-user-server: check EOF when reading payload util/vhost-user-server: fix memory leak in vu_message_read() util/vhost-user-server: drop unused DevicePanicNotifier block/export: consolidate request structs into VuBlockReq util/vhost-user-server: drop unnecessary watch deletion util/vhost-user-server: drop unnecessary QOM cast ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2020-10-26tests/acceptance: Use .ppm extention for Portable PixMap filesPhilippe Mathieu-Daudé
The HMP 'screendump' command generates Portable PixMap files. Make it obvious by using the .ppm file extention. Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-Id: <20201021105035.2477784-3-f4bug@amsat.org> Reviewed-by: Thomas Huth <thuth@redhat.com> Signed-off-by: Thomas Huth <thuth@redhat.com>
2020-10-26tests/acceptance: Remove unused importPhilippe Mathieu-Daudé
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-Id: <20201021105035.2477784-2-f4bug@amsat.org> Tested-by: Thomas Huth <thuth@redhat.com> Signed-off-by: Thomas Huth <thuth@redhat.com>
2020-10-26test/docker/dockerfiles: Add missing packages for acceptance testsThomas Huth
Some of the "check-acceptance" tests are still skipped in the CI since the docker images do not provide the necessary packages, e.g. the netcat binary. Add them to get more test coverage. Message-Id: <20201023073351.251332-5-thuth@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Signed-off-by: Thomas Huth <thuth@redhat.com>
2020-10-26tests/acceptance: Enable AVOCADO_ALLOW_UNTRUSTED_CODE in the gitlab-CIThomas Huth
The tests are running in containers here, so it should be OK to run with AVOCADO_ALLOW_UNTRUSTED_CODE enabled in this case. Message-Id: <20201023073351.251332-4-thuth@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Signed-off-by: Thomas Huth <thuth@redhat.com>
2020-10-26test/acceptance: Remove the CONTINUOUS_INTEGRATION tagsThomas Huth
We are not running the acceptance tests on Travis anymore, so these checks can be removed now. Message-Id: <20201023073351.251332-3-thuth@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Signed-off-by: Thomas Huth <thuth@redhat.com>
2020-10-26tests/acceptance/ppc_prep_40p: Fix the URL to the NetBSD-4.0 archiveThomas Huth
The current URL on cdn.netbsd.org is failing - using archive.netbsd.org instead seems to be fine. Message-Id: <20201023073351.251332-2-thuth@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Signed-off-by: Thomas Huth <thuth@redhat.com>
2020-10-26scripts/oss-fuzz: ignore the generic-fuzz targetAlexander Bulekov
generic-fuzz is not a standalone fuzzer - it requires some env variables to be set. On oss-fuzz, we set these with some predefined generic-fuzz-{...} targets, that are thin wrappers around generic-fuzz. Do not make a link for the generic-fuzz from the oss-fuzz build, so oss-fuzz does not treat it as a standalone fuzzer. Signed-off-by: Alexander Bulekov <alxndr@bu.edu> Message-Id: <20201023150746.107063-18-alxndr@bu.edu> Reviewed-by: Darren Kenny <darren.kenny@oracle.com> [thuth: Reformatted one comment to stay within the 80 columns limit] Signed-off-by: Thomas Huth <thuth@redhat.com>
2020-10-26scripts/oss-fuzz: use hardlinks instead of copyingAlexander Bulekov
Prior to this, fuzzers in the output oss-fuzz directory were exactly the same executable, with a different name to do argv[0]-based fuzz-target selection. This is a waste of space, especially since these binaries can weigh many MB. Instead of copying, use hard links, to cut down on wasted space. We need to place the primary copy of the executable into DEST_DIR, since this is a separate file-system on oss-fuzz. We should not place it directly into $DEST_DIR, since oss-fuzz will treat it as an independent fuzzer and try to run it for fuzzing. Instead, we create a DEST_DIR/bin directory to store the primary copy. Suggested-by: Darren Kenny <darren.kenny@oracle.com> Signed-off-by: Alexander Bulekov <alxndr@bu.edu> Message-Id: <20201023150746.107063-17-alxndr@bu.edu> Reviewed-by: Darren Kenny <darren.kenny@oracle.com> Signed-off-by: Thomas Huth <thuth@redhat.com>
2020-10-26fuzz: register predefined generic-fuzz configsAlexander Bulekov
We call get_generic_fuzz_configs, which fills an array with predefined {name, args, objects} triples. For each of these, we add a new FuzzTarget, that uses a small wrapper to set QEMU_FUZZ_{ARGS,OBJECTS} to the corresponding predefined values. Reviewed-by: Darren Kenny <darren.kenny@oracle.com> Signed-off-by: Alexander Bulekov <alxndr@bu.edu> Message-Id: <20201023150746.107063-16-alxndr@bu.edu> Signed-off-by: Thomas Huth <thuth@redhat.com>
2020-10-26fuzz: add generic-fuzz configs for oss-fuzzAlexander Bulekov
Predefine some generic-fuzz configs. For each of these, we will create a separate FuzzTarget that can be selected through argv0 and, therefore, fuzzed on oss-fuzz. Reviewed-by: Darren Kenny <darren.kenny@oracle.com> Signed-off-by: Alexander Bulekov <alxndr@bu.edu> Message-Id: <20201023150746.107063-15-alxndr@bu.edu> Signed-off-by: Thomas Huth <thuth@redhat.com>
2020-10-26fuzz: add an "opaque" to the FuzzTarget structAlexander Bulekov
It can be useful to register FuzzTargets that have nearly-identical initialization handlers (e.g. for using the same fuzzing code, with different configuration options). Add an opaque pointer to the FuzzTarget struct, so that FuzzTargets can hold some data, useful for storing target-specific configuration options, that can be read by the get_init_cmdline function. Reviewed-by: Darren Kenny <darren.kenny@oracle.com> Signed-off-by: Alexander Bulekov <alxndr@bu.edu> Message-Id: <20201023150746.107063-14-alxndr@bu.edu> Signed-off-by: Thomas Huth <thuth@redhat.com>
2020-10-26fuzz: Add instructions for using generic-fuzzAlexander Bulekov
Reviewed-by: Darren Kenny <darren.kenny@oracle.com> Signed-off-by: Alexander Bulekov <alxndr@bu.edu> Message-Id: <20201023150746.107063-13-alxndr@bu.edu> Signed-off-by: Thomas Huth <thuth@redhat.com>
2020-10-26scripts/oss-fuzz: Add crash trace minimization scriptAlexander Bulekov
Once we find a crash, we can convert it into a QTest trace. Usually this trace will contain many operations that are unneeded to reproduce the crash. This script tries to minimize the crashing trace, by removing operations and trimming QTest bufwrite(write addr len data...) commands. Signed-off-by: Alexander Bulekov <alxndr@bu.edu> Reviewed-by: Darren Kenny <darren.kenny@oracle.com> Message-Id: <20201023150746.107063-12-alxndr@bu.edu> Signed-off-by: Thomas Huth <thuth@redhat.com>
2020-10-26scripts/oss-fuzz: Add script to reorder a generic-fuzzer traceAlexander Bulekov
The generic-fuzzer uses hooks to fulfill DMA requests just-in-time. This means that if we try to use QTEST_LOG=1 to build a reproducer, the DMA writes will be logged _after_ the in/out/read/write that triggered the DMA read. To work work around this, the generic-fuzzer annotates these just-in time DMA fulfilments with a tag that we can use to discern them. This script simply iterates over a raw qtest trace (including log messages, errors, timestamps etc), filters it and re-orders it so that DMA fulfillments are placed directly _before_ the qtest command that will cause the DMA access. Signed-off-by: Alexander Bulekov <alxndr@bu.edu> Reviewed-by: Darren Kenny <darren.kenny@oracle.com> Message-Id: <20201023150746.107063-11-alxndr@bu.edu> Signed-off-by: Thomas Huth <thuth@redhat.com>
2020-10-26fuzz: add a crossover function to generic-fuzzerAlexander Bulekov
Reviewed-by: Darren Kenny <darren.kenny@oracle.com> Signed-off-by: Alexander Bulekov <alxndr@bu.edu> Message-Id: <20201023150746.107063-10-alxndr@bu.edu> Signed-off-by: Thomas Huth <thuth@redhat.com>
2020-10-26fuzz: add a DISABLE_PCI op to generic-fuzzerAlexander Bulekov
This new operation is used in the next commit, which concatenates two fuzzer-generated inputs. With this operation, we can prevent the second input from clobbering the PCI configuration performed by the first. Signed-off-by: Alexander Bulekov <alxndr@bu.edu> Reviewed-by: Darren Kenny <darren.kenny@oracle.com> Message-Id: <20201023150746.107063-9-alxndr@bu.edu> Signed-off-by: Thomas Huth <thuth@redhat.com>
2020-10-26fuzz: Add support for custom crossover functionsAlexander Bulekov
libfuzzer supports a "custom crossover function". Libfuzzer often tries to blend two inputs to create a new interesting input. Sometimes, we have a better idea about how to blend inputs together. This change allows fuzzers to specify a custom function for blending two inputs together. Signed-off-by: Alexander Bulekov <alxndr@bu.edu> Reviewed-by: Darren Kenny <darren.kenny@oracle.com> Message-Id: <20201023150746.107063-8-alxndr@bu.edu> Signed-off-by: Thomas Huth <thuth@redhat.com>
2020-10-26fuzz: Add fuzzer callbacks to DMA-read functionsAlexander Bulekov
We should be careful to not call any functions besides fuzz_dma_read_cb. Without --enable-fuzzing, fuzz_dma_read_cb is an empty inlined function. Signed-off-by: Alexander Bulekov <alxndr@bu.edu> Reviewed-by: Darren Kenny <darren.kenny@oracle.com> Message-Id: <20201023150746.107063-7-alxndr@bu.edu> Signed-off-by: Thomas Huth <thuth@redhat.com>
2020-10-26fuzz: Declare DMA Read callback functionAlexander Bulekov
This patch declares the fuzz_dma_read_cb function and uses the preprocessor and linker(weak symbols) to handle these cases: When we build softmmu/all with --enable-fuzzing, there should be no strong symbol defined for fuzz_dma_read_cb, and we link against a weak stub function. When we build softmmu/fuzz with --enable-fuzzing, we link against the strong symbol in generic_fuzz.c When we build softmmu/all without --enable-fuzzing, fuzz_dma_read_cb is an empty, inlined function. As long as we don't call any other functions when building the arguments, there should be no overhead. Signed-off-by: Alexander Bulekov <alxndr@bu.edu> Reviewed-by: Darren Kenny <darren.kenny@oracle.com> Message-Id: <20201023150746.107063-6-alxndr@bu.edu> Signed-off-by: Thomas Huth <thuth@redhat.com>
2020-10-26fuzz: Add DMA support to the generic-fuzzerAlexander Bulekov
When a virtual-device tries to access some buffer in memory over DMA, we add call-backs into the fuzzer(next commit). The fuzzer checks verifies that the DMA request maps to a physical RAM address and fills the memory with fuzzer-provided data. The patterns that we use to fill this memory are specified using add_dma_pattern and clear_dma_patterns operations. Signed-off-by: Alexander Bulekov <alxndr@bu.edu> Reviewed-by: Darren Kenny <darren.kenny@oracle.com> Message-Id: <20201023150746.107063-5-alxndr@bu.edu> [thuth: Reformatted one comment according to the QEMU coding style] Signed-off-by: Thomas Huth <thuth@redhat.com>
2020-10-24fuzz: Add PCI features to the generic fuzzerAlexander Bulekov
This patch compares TYPE_PCI_DEVICE objects against the user-provided matching pattern. If there is a match, we use some hacks and leverage QOS to map each possible BAR for that device. Now fuzzed inputs might be converted to pci_read/write commands which target specific. This means that we can fuzz a particular device's PCI configuration space, Signed-off-by: Alexander Bulekov <alxndr@bu.edu> Reviewed-by: Darren Kenny <darren.kenny@oracle.com> Message-Id: <20201023150746.107063-4-alxndr@bu.edu> Signed-off-by: Thomas Huth <thuth@redhat.com>
2020-10-24fuzz: Add generic virtual-device fuzzerAlexander Bulekov
This is a generic fuzzer designed to fuzz a virtual device's MemoryRegions, as long as they exist within the Memory or Port IO (if it exists) AddressSpaces. The fuzzer's input is interpreted into a sequence of qtest commands (outb, readw, etc). The interpreted commands are separated by a magic seaparator, which should be easy for the fuzzer to guess. Without ASan, the separator can be specified as a "dictionary value" using the -dict argument (see libFuzzer documentation). Reviewed-by: Darren Kenny <darren.kenny@oracle.com> Signed-off-by: Alexander Bulekov <alxndr@bu.edu> Message-Id: <20201023150746.107063-3-alxndr@bu.edu> Signed-off-by: Thomas Huth <thuth@redhat.com>
2020-10-24memory: Add FlatView foreach functionAlexander Bulekov
Acked-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Darren Kenny <darren.kenny@oracle.com> Signed-off-by: Alexander Bulekov <alxndr@bu.edu> Message-Id: <20201023150746.107063-2-alxndr@bu.edu> Signed-off-by: Thomas Huth <thuth@redhat.com>
2020-10-24libqtest: fix memory leak in the qtest_qmp_event_refMaxim Levitsky
The g_list_remove_link doesn't free the link element, opposed to what I thought. Switch to g_list_delete_link that does free it. Also refactor the code a bit. Thanks for Max Reitz for helping me with this. Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com> Message-Id: <20201019163702.471239-4-mlevitsk@redhat.com> Signed-off-by: Thomas Huth <thuth@redhat.com>
2020-10-24libqtest: fix the order of buffered eventsMaxim Levitsky
By a mistake I added the pending events in a wrong order. Fix this by using g_list_append. Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com> Message-Id: <20201019163702.471239-3-mlevitsk@redhat.com> Signed-off-by: Thomas Huth <thuth@redhat.com>
2020-10-24tests/qtest: Make npcm7xx_timer-test conditional on CONFIG_NPCM7XXHavard Skinnemoen
This test won't work if qemu was compiled without CONFIG_NPCM7XX, as pointed out by Thomas Huth on a different patch. Signed-off-by: Havard Skinnemoen <hskinnemoen@google.com> Message-Id: <20201023210637.351238-2-hskinnemoen@google.com> Signed-off-by: Thomas Huth <thuth@redhat.com>
2020-10-24accel: Add xen CpusAccel using dummy-cpusJason Andryuk
Xen was broken by commit 1583a3898853 ("cpus: extract out qtest-specific code to accel/qtest"). Xen relied on qemu_init_vcpu() calling qemu_dummy_start_vcpu() in the default case, but that was replaced by g_assert_not_reached(). Add a minimal "CpusAccel" for Xen using the dummy-cpus implementation used by qtest. Signed-off-by: Jason Andryuk <jandryuk@gmail.com> Message-Id: <20201013140511.5681-4-jandryuk@gmail.com> Acked-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Claudio Fontana <cfontana@suse.de> Acked-by: Anthony PERARD <anthony.perard@citrix.com> Signed-off-by: Thomas Huth <thuth@redhat.com>
2020-10-24accel: move qtest CpusAccel functions to a common locationJason Andryuk
Move and rename accel/qtest/qtest-cpus.c files to accel/dummy-cpus.c so it can be re-used by Xen. Signed-off-by: Jason Andryuk <jandryuk@gmail.com> Message-Id: <20201013140511.5681-3-jandryuk@gmail.com> Reviewed-by: Claudio Fontana <cfontana@suse.de> Acked-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Thomas Huth <thuth@redhat.com>
2020-10-24accel: Remove _WIN32 ifdef from qtest-cpus.cJason Andryuk
dummy-cpus.c is only compiled with CONFIG_POSIX, so the _WIN32 condition will never evaluate true. Remove it. Signed-off-by: Jason Andryuk <jandryuk@gmail.com> Message-Id: <20201013140511.5681-2-jandryuk@gmail.com> Acked-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Claudio Fontana <cfontana@suse.de> Reviewed-by: Thomas Huth <thuth@redhat.com> Signed-off-by: Thomas Huth <thuth@redhat.com>
2020-10-24tests/qtest/libqtest: Fix detection of architecture for binaries without pathThomas Huth
The qtests can be run directly by specifying the QEMU binary with the QTEST_QEMU_BINARY environment variable, for example: $ QTEST_QEMU_BINARY=x86_64-softmmu/qemu-system-x86_64 tests/qtest/test-hmp However, if you specify a binary without a path, for example with QTEST_QEMU_BINARY=qemu-system-x86_64 if the QEMU binary is in your $PATH, then the test currently simply crashes. Let's try a little bit smarter here by looking for the final '-' instead of the slash. Message-Id: <20201012114816.43546-1-thuth@redhat.com> Signed-off-by: Thomas Huth <thuth@redhat.com>
2020-10-24tests/migration: fix memleak in wait_command/wait_command_fdChen Qun
Properly free each command resp to avoid memory leak. ASAN shows memory leak stack: Indirect leak of 2352520 byte(s) in 571 object(s) allocated from: #0 0x7f6ca3308d4e in __interceptor_calloc (/lib64/libasan.so.5+0x112d4e) #1 0x7f6ca3127a50 in g_malloc0 (/lib64/libglib-2.0.so.0+0x55a50) #2 0x557bf3c71d2b in qdict_new ../qobject/qdict.c:29 #3 0x557bf3c9caba in parse_object ../qobject/json-parser.c:318 #4 0x557bf3c9ce75 in json_parser_parse ../qobject/json-parser.c:580 #5 0x557bf3c8c8cf in json_message_process_token ../qobject/json-streamer.c:92 #6 0x557bf3c9ea59 in json_lexer_feed_char ../qobject/json-lexer.c:313 #7 0x557bf3c9eeb5 in json_lexer_feed ../qobject/json-lexer.c:350 #8 0x557bf3c4793a in qmp_fd_receive ../tests/qtest/libqtest.c:608 #9 0x557bf3c47b58 in qtest_qmp_receive ../tests/qtest/libqtest.c:618 #10 0x557bf3c44245 in wait_command ../tests/qtest/migration-helpers.c:59 #11 0x557bf3c445cb in migrate_query_status ../tests/qtest/migration-helpers.c:108 #12 0x557bf3c44642 in check_migration_status ../tests/qtest/migration-helpers.c:124 #13 0x557bf3c447e7 in wait_for_migration_status ../tests/qtest/migration-helpers.c:148 #14 0x557bf3c43b8f in test_migrate_auto_converge ../tests/qtest/migration-test.c:1243 ...... Fix: 5e34005571af5 Reported-by: Euler Robot <euler.robot@huawei.com> Signed-off-by: Chen Qun <kuhn.chenqun@huawei.com> Message-Id: <20201023061218.2080844-2-kuhn.chenqun@huawei.com> Signed-off-by: Thomas Huth <thuth@redhat.com>
2020-10-23iotests: add commit top->base cases to 274Vladimir Sementsov-Ogievskiy
These cases are fixed by previous patches around block_status and is_allocated. Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Alberto Garcia <berto@igalia.com> Message-id: 20200924194003.22080-6-vsementsov@virtuozzo.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2020-10-23block/io: fix bdrv_is_allocated_aboveVladimir Sementsov-Ogievskiy
bdrv_is_allocated_above wrongly handles short backing files: it reports after-EOF space as UNALLOCATED which is wrong, as on read the data is generated on the level of short backing file (if all overlays have unallocated areas at that place). Reusing bdrv_common_block_status_above fixes the issue and unifies code path. Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Alberto Garcia <berto@igalia.com> Message-id: 20200924194003.22080-5-vsementsov@virtuozzo.com [Fix s/has/have/ as suggested by Eric Blake. Fix s/area/areas/. --Stefan] Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2020-10-23block/io: bdrv_common_block_status_above: support bs == baseVladimir Sementsov-Ogievskiy
We are going to reuse bdrv_common_block_status_above in bdrv_is_allocated_above. bdrv_is_allocated_above may be called with include_base == false and still bs == base (for ex. from img_rebase()). So, support this corner case. Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Alberto Garcia <berto@igalia.com> Message-id: 20200924194003.22080-4-vsementsov@virtuozzo.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2020-10-23block/io: bdrv_common_block_status_above: support include_baseVladimir Sementsov-Ogievskiy
In order to reuse bdrv_common_block_status_above in bdrv_is_allocated_above, let's support include_base parameter. Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Reviewed-by: Alberto Garcia <berto@igalia.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-id: 20200924194003.22080-3-vsementsov@virtuozzo.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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