-----BEGIN PGP SIGNATURE-----
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c8gr7gf9Fe6WZ85sbefQcsOvqc6AKcmiC1dhQ9qsdT4Y22Ft8BneiVHPflkpYExP
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Merge tag 'block-pull-request' of https://gitlab.com/stefanha/qemu into staging
Pull request
# gpg: Signature made Mon 06 Dec 2021 07:27:19 AM PST
# gpg: using RSA key 8695A8BFD3F97CDAAC35775A9CA4ABB381AB73C8
# gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>" [full]
# gpg: aka "Stefan Hajnoczi <stefanha@gmail.com>" [full]
* tag 'block-pull-request' of https://gitlab.com/stefanha/qemu:
virtio-blk: Fix clean up of host notifiers for single MR transaction.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
- Do not emit SD instruction on 32-bit CPU (Jiaxun Yang)
- Correctly catch load_elf() errors on Boston board (Jiaxun Yang)
- Revert bogus CLI fix for ISA VGA devices (Alex Bennée)
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hc9rWdzNcj5FPo+6vqwyha+4k9uM0UkZG/VZY4Rz24p5iIJ6NVGhm1iQINSBoeIu
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fdmsJWSL31ZXS7lpDzPmJ6Xz/yvGc5OfBbImx3/AluRW1HqExz7BXZkO+Ou3VIfY
6lOO91vNJkY0yXq65qh10M8dzYOZlYRCliymMGeQZMMzqPTe+uEhaa1Yh59+ur6D
GfvdG7hlYfxR9rPI5dVqnH8jgP6qtxEbhOht4h2GsDkERaMTtZVYHfpVRdYVlPGH
AWHEqv1xcfVMts6nm9lrWwmvS6AbJWYZc1tc87m8LyqXuzVDmP6SDXvVUinOWl45
b5GaNmlIH3RgVCgmdenLTfRl0LypBUg43ScpHYSkcLeKY3Dvleg=
=7ew1
-----END PGP SIGNATURE-----
Merge tag 'mips-20211206' of https://github.com/philmd/qemu into staging
MIPS fixes
- Do not emit SD instruction on 32-bit CPU (Jiaxun Yang)
- Correctly catch load_elf() errors on Boston board (Jiaxun Yang)
- Revert bogus CLI fix for ISA VGA devices (Alex Bennée)
# gpg: Signature made Mon 06 Dec 2021 03:03:24 AM PST
# gpg: using RSA key FAABE75E12917221DCFD6BB2E3E32C2CDEADC0DE
# gpg: Good signature from "Philippe Mathieu-Daudé (F4BUG) <f4bug@amsat.org>" [full]
* tag 'mips-20211206' of https://github.com/philmd/qemu:
Revert "vga: don't abort when adding a duplicate isa-vga device"
hw/mips/boston: Fix load_elf() error detection
hw/mips/bootloader: Fix write_ulong()
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
The code that introduced "virtio-blk: Configure all host notifiers in
a single MR transaction" introduced a second loop variable to perform
cleanup in second loop, but mistakenly still refers to the first
loop variable within the second loop body.
Fixes: d0267da614 ("virtio-blk: Configure all host notifiers in a single MR transaction")
Signed-off-by: Mark Mielke <mark.mielke@gmail.com>
Message-id: CALm7yL08qarOu0dnQkTN+pa=BSRC92g31YpQQNDeAiT4yLZWQQ@mail.gmail.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This reverts commit 7852a77f59.
The check is bogus as it ends up finding itself and falling over.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/733
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20211206095209.2332376-1-alex.bennee@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
load_elf() gives negative return in case of error, not zero.
Fixes: 10e3f30ff7 ("hw/mips/boston: Allow loading elf kernel and dtb")
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20211130211729.7116-3-jiaxun.yang@flygoat.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
bl_gen_write_ulong uses sd for both 32 and 64 bit CPU,
while sd is illegal on 32 bit CPUs.
Replace sd with sw on 32bit CPUs.
Fixes: 3ebbf86128 ("hw/mips: Add a bootloader helper")
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20211130211729.7116-2-jiaxun.yang@flygoat.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Update seabios to the final release. No code changes
compared to the snapshot merged a few weeks ago.
shortlog 64f37cc530f1..rel-1.15.0
---------------------------------
Kevin O'Connor (1):
docs: Note v1.15.0 release
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Without the previous commit, when running 'make check-qtest-i386'
with QEMU configured with '--enable-sanitizers' we get:
AddressSanitizer:DEADLYSIGNAL
=================================================================
==287878==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000344
==287878==The signal is caused by a WRITE memory access.
==287878==Hint: address points to the zero page.
#0 0x564b2e5bac27 in blk_inc_in_flight block/block-backend.c:1346:5
#1 0x564b2e5bb228 in blk_pwritev_part block/block-backend.c:1317:5
#2 0x564b2e5bcd57 in blk_pwrite block/block-backend.c:1498:11
#3 0x564b2ca1cdd3 in fdctrl_write_data hw/block/fdc.c:2221:17
#4 0x564b2ca1b2f7 in fdctrl_write hw/block/fdc.c:829:9
#5 0x564b2dc49503 in portio_write softmmu/ioport.c:201:9
Add the reproducer for CVE-2021-20196.
Suggested-by: Alexander Bulekov <alxndr@bu.edu>
Reviewed-by: Darren Kenny <darren.kenny@oracle.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20211124161536.631563-4-philmd@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
Guest might select another drive on the bus by setting the
DRIVE_SEL bit of the DIGITAL OUTPUT REGISTER (DOR).
The current controller model doesn't expect a BlockBackend
to be NULL. A simple way to fix CVE-2021-20196 is to create
an empty BlockBackend when it is missing. All further
accesses will be safely handled, and the controller state
machines keep behaving correctly.
Cc: qemu-stable@nongnu.org
Fixes: CVE-2021-20196
Reported-by: Gaoning Pan (Ant Security Light-Year Lab) <pgn@zju.edu.cn>
Reviewed-by: Darren Kenny <darren.kenny@oracle.com>
Reviewed-by: Hanna Reitz <hreitz@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20211124161536.631563-3-philmd@redhat.com
BugLink: https://bugs.launchpad.net/qemu/+bug/1912780
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/338
Reviewed-by: Darren Kenny <darren.kenny@oracle.com>
Reviewed-by: Hanna Reitz <hreitz@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: John Snow <jsnow@redhat.com>
We are going to re-use this code in the next commit,
so extract it as a new blk_create_empty_drive() function.
Inspired-by: Hanna Reitz <hreitz@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20211124161536.631563-2-philmd@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
The ehabkost@redhat.com email address will stop working on
2021-12-01, change it to my personal email address.
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <20211129163053.2506734-1-ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <20211130204722.2732997-2-ehabkost@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
* Hash64 MMU fix for FreeBSD installer
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2fLX3AOKFo6g6J18Km2W6ma2gNQja3WDv//E2vMF0STDBy85YJo77ON0leLWJD0C
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Merge tag 'pull-ppc-20211129' of https://github.com/legoater/qemu into staging
ppc 6.2 queue:
* Hash64 MMU fix for FreeBSD installer
# gpg: Signature made Mon 29 Nov 2021 09:49:54 PM CET
# gpg: using RSA key A0F66548F04895EBFE6B0B6051A343C7CFFBECA1
# gpg: Good signature from "Cédric Le Goater <clg@kaod.org>" [marginal]
# gpg: WARNING: This key is not certified with sufficiently trusted signatures!
# gpg: It is not certain that the signature belongs to the owner.
# Primary key fingerprint: A0F6 6548 F048 95EB FE6B 0B60 51A3 43C7 CFFB ECA1
* tag 'pull-ppc-20211129' of https://github.com/legoater/qemu:
target/ppc: fix Hash64 MMU update of PTE bit R
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
When updating the R bit of a PTE, the Hash64 MMU was using a wrong byte
offset, causing the first byte of the adjacent PTE to be corrupted.
This caused a panic when booting FreeBSD, using the Hash MMU.
Fixes: a2dd4e83e7 ("ppc/hash64: Rework R and C bit updates")
Signed-off-by: Leandro Lupori <leandro.lupori@eldorado.org.br>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
- introduce CF_NOIRQ to avoid watchpoint race
- fix avocado plugin test
- fix linker issue with weird paths
- band-aid for gdbstub race
- updates for MAINTAINERS
- fix some compiler warning in example plugin
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Merge tag 'pull-for-6.2-291121-1' of https://github.com/stsquad/qemu into staging
TCG, plugin and build fixes:
- introduce CF_NOIRQ to avoid watchpoint race
- fix avocado plugin test
- fix linker issue with weird paths
- band-aid for gdbstub race
- updates for MAINTAINERS
- fix some compiler warning in example plugin
# gpg: Signature made Mon 29 Nov 2021 04:16:22 PM CET
# gpg: using RSA key 6685AE99E75167BCAFC8DF35FBD0DB095A9E2A44
# gpg: Good signature from "Alex Bennée (Master Work Key) <alex.bennee@linaro.org>" [full]
* tag 'pull-for-6.2-291121-1' of https://github.com/stsquad/qemu:
tests/plugin/syscall.c: fix compiler warnings
MAINTAINERS: Add section for Aarch64 GitLab custom runner
MAINTAINERS: Remove me as a reviewer for the build and test/avocado
gdbstub: handle a potentially racing TaskState
plugins/meson.build: fix linker issue with weird paths
tests/avocado: fix tcg_plugin mem access count test
accel/tcg: suppress IRQ check for special TBs
accel/tcg: introduce CF_NOIRQ
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Fix compiler warnings. The warnings can result in a broken build.
This patch fixes warnings such as:
In file included from /usr/include/glib-2.0/glib.h:111,
from ../tests/plugin/syscall.c:13:
../tests/plugin/syscall.c: In function ‘print_entry’:
/usr/include/glib-2.0/glib/glib-autocleanups.h:28:3: error: ‘out’ may be
used uninitialized in this function [-Werror=maybe-uninitialized]
g_free (*pp);
^~~~~~~~~~~~
../tests/plugin/syscall.c:82:23: note: ‘out’ was declared here
g_autofree gchar *out;
^~~
In file included from /usr/include/glib-2.0/glib.h:111,
from ../tests/plugin/syscall.c:13:
../tests/plugin/syscall.c: In function ‘vcpu_syscall_ret’:
/usr/include/glib-2.0/glib/glib-autocleanups.h:28:3: error: ‘out’ may be
used uninitialized in this function [-Werror=maybe-uninitialized]
g_free (*pp);
^~~~~~~~~~~~
../tests/plugin/syscall.c:73:27: note: ‘out’ was declared here
g_autofree gchar *out;
^~~
cc1: all warnings being treated as errors
Signed-off-by: Juro Bystricky <juro.bystricky@intel.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20211128011551.2115468-1-juro.bystricky@intel.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20211129140932.4115115-9-alex.bennee@linaro.org>
Add a MAINTAINERS section to cover the GitLab YAML config file
containing the jobs run on the custom runner sponsored by the
Works On Arm project [*].
[*] https://developer.arm.com/solutions/infrastructure/works-on-arm
Suggested-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20211116163226.2719320-1-f4bug@amsat.org>
Message-Id: <20211129140932.4115115-8-alex.bennee@linaro.org>
Remove me as a reviewer for the Build and test automation and the
Integration Testing with the Avocado Framework and add Beraldo
Leal.
Signed-off-by: Willian Rampazzo <willianr@redhat.com>
Reviewed-by: Beraldo Leal <bleal@redhat.com>
Message-Id: <20211122191124.31620-1-willianr@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20211129140932.4115115-7-alex.bennee@linaro.org>
When dealing with multi-threaded userspace programs there is a race
condition with the addition of cpu->opaque (aka TaskState). This is
due to cpu_copy calling cpu_create which updates the global vCPU list.
However the task state isn't set until later. This shouldn't be a
problem because the new thread can't have executed anything yet but
the gdbstub code does liberally iterate through the CPU list in
various places.
This sticking plaster ensure the not yet fully realized vCPU is given
an pid of -1 which should be enough to ensure it doesn't show up
anywhere else.
In the longer term I think the code that manages the association
between vCPUs and attached GDB processes could do with a clean-up and
re-factor.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Tested-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Cc: Richard Henderson <richard.henderson@linaro.org>
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/730
Message-Id: <20211129140932.4115115-6-alex.bennee@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Tested-by: Stefan Weil <sw@weilnetz.de>
Fixes: https://gitlab.com/qemu-project/qemu/-/issues/712
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20211129140932.4115115-5-alex.bennee@linaro.org>
When we cleaned up argument handling the test was missed.
Fixes: 5ae589faad ("tests/plugins/mem: introduce "track" arg and make args not positional")
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20211129140932.4115115-4-alex.bennee@linaro.org>
When we set cpu->cflags_next_tb it is because we want to carefully
control the execution of the next TB. Currently there is a race that
causes the second stage of watchpoint handling to get ignored if an
IRQ is processed before we finish executing the instruction that
triggers the watchpoint. Use the new CF_NOIRQ facility to avoid the
race.
We also suppress IRQs when handling precise self modifying code to
avoid unnecessary bouncing.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Cc: Pavel Dovgalyuk <pavel.dovgalyuk@ispras.ru>
Fixes: https://gitlab.com/qemu-project/qemu/-/issues/245
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20211129140932.4115115-3-alex.bennee@linaro.org>
Here we introduce a new compiler flag to disable the checking of exit
request (icount_decr.u32). This is useful when we want to ensure the
next block cannot be preempted by an asynchronous event.
Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20211129140932.4115115-2-alex.bennee@linaro.org>
Lots of small fixes all over the place.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_upstream' of git://git.kernel.org/pub/scm/virt/kvm/mst/qemu into staging
virtio,pci,pc: bugfixes
Lots of small fixes all over the place.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
# gpg: Signature made Mon 29 Nov 2021 02:50:06 PM CET
# gpg: using RSA key 5D09FD0871C8F85B94CA8A0D281F0DB8D28D5469
# gpg: issuer "mst@redhat.com"
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" [full]
# gpg: aka "Michael S. Tsirkin <mst@redhat.com>" [full]
* tag 'for_upstream' of git://git.kernel.org/pub/scm/virt/kvm/mst/qemu:
Fix bad overflow check in hw/pci/pcie.c
intel-iommu: ignore leaf SNP bit in scalable mode
virtio-balloon: correct used length
virtio-balloon: process all in sgs for free_page_vq
vdpa: Add dummy receive callback
failover: fix unplug pending detection
virtio-mmio : fix the crash in the vm shutdown
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
LOOP_CONFIGURE is now used by losetup, and it cannot cope with ENOSYS.
Signed-off-by: Andreas Schwab <schwab@suse.de>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <mvmtug4mbfx.fsf_-_@suse.de>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Orginal qemu commit hash:14d02cfbe4adaeebe7cb833a8cc71191352cf03b
In function pcie_add_capability, an assert contains the
"offset < offset + size" expression.
Both variable offset and variable size are uint16_t,
the comparison is always true due to type promotion.
The next expression may be the same.
It might be like this:
Thread 1 "qemu-system-x86" hit Breakpoint 1, pcie_add_capability (
dev=0x555557ce5f10, cap_id=1, cap_ver=2 '\002', offset=256, size=72)
at ../hw/pci/pcie.c:930
930 {
(gdb) n
931 assert(offset >= PCI_CONFIG_SPACE_SIZE);
(gdb) n
932 assert(offset < offset + size);
(gdb) p offset
$1 = 256
(gdb) p offset < offset + size
$2 = 1
(gdb) set offset=65533
(gdb) p offset < offset + size
$3 = 1
(gdb) p offset < (uint16_t)(offset + size)
$4 = 0
Signed-off-by: Daniella Lee <daniellalee111@gmail.com>
Message-Id: <20211126061324.47331-1-daniellalee111@gmail.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
When booting with scalable mode, I hit this error:
qemu-system-x86_64: vtd_iova_to_slpte: detected splte reserve non-zero iova=0xfffff002, level=0x1slpte=0x102681803)
qemu-system-x86_64: vtd_iommu_translate: detected translation failure (dev=01:00:00, iova=0xfffff002)
qemu-system-x86_64: New fault is not recorded due to compression of faults
This is because the SNP bit is set for second level page table since
Linux kernel commit 6c00612d0cba1 ("iommu/vt-d: Report right snoop
capability when using FL for IOVA") even if SC is not supported by the
hardware.
To unbreak the guest, ignore the leaf SNP bit for scalable mode
first. In the future we may consider to add SC support.
Signed-off-by: Jason Wang <jasowang@redhat.com>
Message-Id: <20211129033618.3857-1-jasowang@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Spec said:
"and len the total of bytes written into the buffer."
For inflateq, deflateq and statsq, we don't process in_sg so the used
length should be zero. For free_page_vq, tough the pages could be
changed by the device (in the destination), spec said:
"Note: len is particularly useful for drivers using untrusted buffers:
if a driver does not know exactly how much has been written by the
device, the driver would have to zero the buffer in advance to ensure
no data leakage occurs."
So 0 should be used as well here.
Signed-off-by: Jason Wang <jasowang@redhat.com>
Message-Id: <20211129030841.3611-2-jasowang@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
We only process the first in sg which may lead to the bitmap of the
pages belongs to following sgs were not cleared. This may result more
pages to be migrated. Fixing this by process all in sgs for
free_page_vq.
Acked-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Message-Id: <20211129030841.3611-1-jasowang@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* virt: Diagnose attempts to enable MTE or virt when using HVF accelerator
* GICv3 ITS: Allow clearing of ITS CTLR Enabled bit
* GICv3: Update cached state after LPI state changes
* GICv3: Fix handling of LPIs in list registers
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Merge tag 'pull-target-arm-20211129' of https://git.linaro.org/people/pmaydell/qemu-arm into staging
target-arm queue:
* virt: Diagnose attempts to enable MTE or virt when using HVF accelerator
* GICv3 ITS: Allow clearing of ITS CTLR Enabled bit
* GICv3: Update cached state after LPI state changes
* GICv3: Fix handling of LPIs in list registers
# gpg: Signature made Mon 29 Nov 2021 11:34:46 AM CET
# gpg: using RSA key E1A5C593CD419DE28E8315CF3C2525ED14360CDE
# gpg: issuer "peter.maydell@linaro.org"
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>" [full]
# gpg: aka "Peter Maydell <pmaydell@gmail.com>" [full]
# gpg: aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>" [full]
* tag 'pull-target-arm-20211129' of https://git.linaro.org/people/pmaydell/qemu-arm:
hw/intc/arm_gicv3: fix handling of LPIs in list registers
hw/intc/arm_gicv3: Add new gicv3_intid_is_special() function
hw/intc/arm_gicv3: Update cached state after LPI state changes
hw/intc: cannot clear GICv3 ITS CTLR[Enabled] bit
hw/arm/virt: Extend nested and mte checks to hvf
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
It is valid for an OS to put virtual interrupt ID values into the
list registers ICH_LR<n> which are greater than 1023. This
corresponds to (for example) KVM using the in-kernel emulated ITS to
give a (nested) guest an ITS. LPIs are delivered by the L1 kernel to
the L2 guest via the list registers in the same way as non-LPI
interrupts.
QEMU's code for handling writes to ICV_IARn (which happen when the L2
guest acknowledges an interrupt) and to ICV_EOIRn (which happen at
the end of the interrupt) did not consider LPIs, so it would
incorrectly treat interrupt IDs above 1023 as invalid. Fix this by
using the correct condition, which is gicv3_intid_is_special().
Note that the condition in icv_dir_write() is correct -- LPIs
are not valid there and so we want to ignore both "special" ID
values and LPIs.
(In the pseudocode this logic is in:
- VirtualReadIAR0(), VirtualReadIAR1(), which call IsSpecial()
- VirtualWriteEOIR0(), VirtualWriteEOIR1(), which call
VirtualIdentifierValid(data, TRUE) meaning "LPIs OK"
- VirtualWriteDIR(), which calls VirtualIdentifierValid(data, FALSE)
meaning "LPIs not OK")
This bug doesn't seem to have any visible effect on Linux L2 guests
most of the time, because the two bugs cancel each other out: we
neither mark the interrupt active nor deactivate it. However it does
mean that the L2 vCPU priority while the LPI handler is running will
not be correct, so the interrupt handler could be unexpectedly
interrupted by a different interrupt.
(NB: this has nothing to do with using QEMU's emulated ITS.)
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Marc Zyngier <maz@kernel.org>
Qemu falls back on userland handlers even if vhost-user and vhost-vdpa
cases. These assumes a tap device can handle the packets.
If a vdpa device fail to start, it can trigger a sigsegv because of
that. Add dummy receiver that returns no progress so it can keep
running.
Fixes: 1e0a84ea49 ("vhost-vdpa: introduce vhost-vdpa net client")
Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
Message-Id: <20211125101614.76927-2-eperezma@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Failover needs to detect the end of the PCI unplug to start migration
after the VFIO card has been unplugged.
To do that, a flag is set in pcie_cap_slot_unplug_request_cb() and reset in
pcie_unplug_device().
But since
17858a1695 ("hw/acpi/ich9: Set ACPI PCI hot-plug as default on Q35")
we have switched to ACPI unplug and these functions are not called anymore
and the flag not set. So failover migration is not able to detect if card
is really unplugged and acts as it's done as soon as it's started. So it
doesn't wait the end of the unplug to start the migration. We don't see any
problem when we test that because ACPI unplug is faster than PCIe native
hotplug and when the migration really starts the unplug operation is
already done.
See c000a9bd06 ("pci: mark device having guest unplug request pending")
a99c4da9fc ("pci: mark devices partially unplugged")
Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Reviewed-by: Ani Sinha <ani@anisinha.ca>
Message-Id: <20211118133225.324937-4-lvivier@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
The root cause for this crash is the ioeventfd not stopped while the VM stop.
The callback for vmstate_change was not implement in virtio-mmio bus
Reproduce step
load the vm with
-M microvm \
-netdev tap,id=net0,vhostforce,script=no,downscript=no \
-device virtio-net-device,netdev=net0\
After the VM boot, login the vm and then shutdown the vm
System will crash
[Current thread is 1 (Thread 0x7ffff6edde00 (LWP 374378))]
(gdb) bt
0 0x00005555558f18b4 in qemu_flush_or_purge_queued_packets (purge=false, nc=0x55500252e850) at ../net/net.c:636
1 qemu_flush_queued_packets (nc=0x55500252e850) at ../net/net.c:656
2 0x0000555555b6c363 in virtio_queue_notify_vq (vq=0x7fffe7e2b010) at ../hw/virtio/virtio.c:2339
3 virtio_queue_host_notifier_read (n=0x7fffe7e2b08c) at ../hw/virtio/virtio.c:3583
4 0x0000555555de7b5a in aio_dispatch_handler (ctx=ctx@entry=0x5555567c5780, node=0x555556b83fd0) at ../util/aio-posix.c:329
5 0x0000555555de8454 in aio_dispatch_ready_handlers (ready_list=<optimized out>, ctx=<optimized out>) at ../util/aio-posix.c:359
6 aio_poll (ctx=0x5555567c5780, blocking=blocking@entry=false) at ../util/aio-posix.c:662
7 0x0000555555cce0cc in monitor_cleanup () at ../monitor/monitor.c:645
8 0x0000555555b06bd2 in qemu_cleanup () at ../softmmu/runstate.c:822
9 0x000055555586e693 in main (argc=<optimized out>, argv=<optimized out>, envp=<optimized out>) at ../softmmu/main.c:51
Signed-off-by: Cindy Lu <lulu@redhat.com>
Message-Id: <20211109023744.22387-1-lulu@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
The GICv3/v4 pseudocode has a function IsSpecial() which returns true
if passed a "special" interrupt ID number (anything between 1020 and
1023 inclusive). We open-code this condition in a couple of places,
so abstract it out into a new function gicv3_intid_is_special().
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
The logic of gicv3_redist_update() is as follows:
* it must be called in any code path that changes the state of
(only) redistributor interrupts
* if it finds a redistributor interrupt that is (now) higher
priority than the previous highest-priority pending interrupt,
then this must be the new highest-priority pending interrupt
* if it does *not* find a better redistributor interrupt, then:
- if the previous state was "no interrupts pending" then
the new state is still "no interrupts pending"
- if the previous best interrupt was not a redistributor
interrupt then that remains the best interrupt
- if the previous best interrupt *was* a redistributor interrupt,
then the new best interrupt must be some non-redistributor
interrupt, but we don't know which so must do a full scan
In commit 17fb5e36aa we effectively added the LPI interrupts
as a kind of "redistributor interrupt" for this purpose, by adding
cs->hpplpi to the set of things that gicv3_redist_update() considers
before it gives up and decides to do a full scan of distributor
interrupts. However we didn't quite get this right:
* the condition check for "was the previous best interrupt a
redistributor interrupt" must be updated to include LPIs
in what it considers to be redistributor interrupts
* every code path which updates the LPI state which
gicv3_redist_update() checks must also call gicv3_redist_update():
this is cs->hpplpi and the GICR_CTLR ENABLE_LPIS bit
This commit fixes this by:
* correcting the test on cs->hppi.irq in gicv3_redist_update()
* making gicv3_redist_update_lpi() always call gicv3_redist_update()
* introducing a new gicv3_redist_update_lpi_only() for the one
callsite (the post-load hook) which must not call
gicv3_redist_update()
* making gicv3_redist_lpi_pending() always call gicv3_redist_update(),
either directly or via gicv3_redist_update_lpi()
* removing a couple of now-unnecessary calls to gicv3_redist_update()
from some callers of those two functions
* calling gicv3_redist_update() when the GICR_CTLR ENABLE_LPIS
bit is cleared
(This means that the not-file-local gicv3_redist_* LPI related
functions now all take care of the updates of internally cached
GICv3 information, in the same way the older functions
gicv3_redist_set_irq() and gicv3_redist_send_sgi() do.)
The visible effect of this bug was that when the guest acknowledged
an LPI by reading ICC_IAR1_EL1, we marked it as not pending in the
LPI data structure but still left it in cs->hppi so we would offer it
to the guest again. In particular for setups using an emulated GICv3
and ITS and using devices which use LPIs (ie PCI devices) a Linux
guest would complain "irq 54: nobody cared" and then hang. (The hang
was intermittent, presumably depending on the timing between
different interrupts arriving and being completed.)
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Tested-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 20211124202005.989935-1-peter.maydell@linaro.org
When Enabled bit is cleared in GITS_CTLR,ITS feature continues
to be enabled.This patch fixes the issue.
Signed-off-by: Shashi Mallela <shashi.mallela@linaro.org>
Tested-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20211124182246.67691-1-shashi.mallela@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The virt machine has properties to enable MTE and Nested Virtualization
support. However, its check to ensure the backing accel implementation
supports it today only looks for KVM and bails out if it finds it.
Extend the checks to HVF as well as it does not support either today.
This will cause QEMU to print a useful error message rather than
silently ignoring the attempt by the user to enable either MTE or
the Virtualization extensions.
Reported-by: saar amar <saaramar5@gmail.com>
Signed-off-by: Alexander Graf <agraf@csgraf.de>
Message-id: 20211123122859.22452-1-agraf@csgraf.de
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
- Fix memory leak in vvfat when vvfat_open() fails
- iotest fixes for the gnutls crypto backend
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Merge tag 'pull-block-2021-11-23' of https://gitlab.com/hreitz/qemu into staging
Block patches for 6.2-rc2:
- Fix memory leak in vvfat when vvfat_open() fails
- iotest fixes for the gnutls crypto backend
# gpg: Signature made Tue 23 Nov 2021 04:58:05 PM CET
# gpg: using RSA key CB62D7A0EE3829E45F004D34A1FA40D098019CDF
# gpg: issuer "hreitz@redhat.com"
# gpg: Good signature from "Hanna Reitz <hreitz@redhat.com>" [marginal]
# gpg: WARNING: This key is not certified with sufficiently trusted signatures!
# gpg: It is not certain that the signature belongs to the owner.
# Primary key fingerprint: CB62 D7A0 EE38 29E4 5F00 4D34 A1FA 40D0 9801 9CDF
* tag 'pull-block-2021-11-23' of https://gitlab.com/hreitz/qemu:
iotests/149: Skip on unsupported ciphers
iotests: Use aes-128-cbc
block/vvfat.c fix leak when failure occurs
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Whenever qemu-img or qemu-io report that some cipher is unsupported,
skip the whole test, because that is probably because qemu has been
configured with the gnutls crypto backend.
We could taylor the algorithm list to what gnutls supports, but this is
a test that is run rather rarely anyway (because it requires
password-less sudo), and so it seems better and easier to skip it. When
this test is intentionally run to check LUKS compatibility, it seems
better not to limit the algorithms but keep the list extensive.
Signed-off-by: Hanna Reitz <hreitz@redhat.com>
Message-Id: <20211117151707.52549-3-hreitz@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Our gnutls crypto backend (which is the default as of 8bd0931f6)
supports neither twofish-128 nor the CTR mode. CBC and aes-128 are
supported by all of our backends (as far as I can tell), so use
aes-128-cbc in our iotests.
(We could also use e.g. aes-256-cbc, but the different key sizes would
lead to different key slot offsets and so change the reference output
more, which is why I went with aes-128.)
Signed-off-by: Hanna Reitz <hreitz@redhat.com>
Message-Id: <20211117151707.52549-2-hreitz@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Tested-by: Thomas Huth <thuth@redhat.com>
Function vvfat_open called function enable_write_target and init_directories,
and these functions malloc new memory for BDRVVVFATState::qcow_filename,
BDRVVVFATState::used_clusters, and BDRVVVFATState::cluster_buff.
When the specified folder does not exist ,it may contains memory leak.
After init_directories function is executed, the vvfat_open return -EIO,
and bdrv_open_driver goto label open_failed,
the program use g_free(bs->opaque) to release BDRVVVFATState struct
without members mentioned.
command line:
qemu-system-x86_64 -hdb <vdisk qcow file> -usb -device usb-storage,drive=fat16
-drive file=fat:rw:fat-type=16:"<path of a host folder does not exist>",
id=fat16,format=raw,if=none
enable_write_target called:
(gdb) bt
at ../block/vvfat.c:3114
flags=155650, errp=0x7fffffffd780) at ../block/vvfat.c:1236
node_name=0x0, options=0x555556fa45d0, open_flags=155650,
errp=0x7fffffffd890) at ../block.c:1558
errp=0x7fffffffd890) at ../block.c:1852
reference=0x0, options=0x555556fa45d0, flags=40962, parent=0x555556f98cd0,
child_class=0x555556b1d6a0 <child_of_bds>, child_role=19,
errp=0x7fffffffda90) at ../block.c:3779
options=0x555556f9cfc0, bdref_key=0x555556239bb8 "file",
parent=0x555556f98cd0, child_class=0x555556b1d6a0 <child_of_bds>,
child_role=19, allow_none=true, errp=0x7fffffffda90) at ../block.c:3419
reference=0x0, options=0x555556f9cfc0, flags=8194, parent=0x0,
child_class=0x0, child_role=0, errp=0x555556c98c40 <error_fatal>)
at ../block.c:3726
options=0x555556f757b0, flags=0, errp=0x555556c98c40 <error_fatal>)
at ../block.c:3872
options=0x555556f757b0, flags=0, errp=0x555556c98c40 <error_fatal>)
at ../block/block-backend.c:436
bs_opts=0x555556f757b0, errp=0x555556c98c40 <error_fatal>)
at ../blockdev.c:608
errp=0x555556c98c40 <error_fatal>) at ../blockdev.c:992
......
Signed-off-by: Daniella Lee <daniellalee111@gmail.com>
Message-Id: <20211119112553.352222-1-daniellalee111@gmail.com>
[hreitz: Took commit message from v1]
Signed-off-by: Hanna Reitz <hreitz@redhat.com>
Resolves pointer type issues with uc_mcontext.pc
on aarch64 between glibc and musl.
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Merge tag 'pull-lu-20211123' of https://gitlab.com/rth7680/qemu into staging
Create common rewind_if_in_safe_syscall function.
Resolves pointer type issues with uc_mcontext.pc
on aarch64 between glibc and musl.
# gpg: Signature made Tue 23 Nov 2021 09:47:07 AM CET
# gpg: using RSA key 7A481E78868B4DB6A85A05C064DF38E8AF7E215F
# gpg: issuer "richard.henderson@linaro.org"
# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" [ultimate]
* tag 'pull-lu-20211123' of https://gitlab.com/rth7680/qemu:
linux-user/signal.c: Create a common rewind_if_in_safe_syscall
linux-user: Add host_signal_set_pc to set pc in mcontext
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
A few more fixes to help eliminate race conditions from
device-crash-test, along with a fix that allows the SCM_RIGHTS
functionality to work on hosts that only have Python 3.6.
If this is too much this late in the RC process, I'd advocate for at
least patch 7/7 by itself.
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Merge tag 'python-pull-request' of https://gitlab.com/jsnow/qemu into staging
Python testing fixes for 6.2
A few more fixes to help eliminate race conditions from
device-crash-test, along with a fix that allows the SCM_RIGHTS
functionality to work on hosts that only have Python 3.6.
If this is too much this late in the RC process, I'd advocate for at
least patch 7/7 by itself.
# gpg: Signature made Tue 23 Nov 2021 03:37:17 AM CET
# gpg: using RSA key F9B7ABDBBCACDF95BE76CBD07DEF8106AAFC390E
# gpg: Good signature from "John Snow (John Huston) <jsnow@redhat.com>" [full]
* tag 'python-pull-request' of https://gitlab.com/jsnow/qemu:
python/aqmp: fix send_fd_scm for python 3.6.x
scripts/device-crash-test: Use a QMP timeout
python/machine: handle "fast" QEMU terminations
python/machine: move more variable initializations to _pre_launch
python/machine: add instance disambiguator to default nickname
python/machine: remove _remove_monitor_sockfile property
python/machine: add @sock_dir property
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson
Mark Mielke
Alex Bennée
Jiaxun Yang
Gerd Hoffmann
Philippe Mathieu-Daudé
Eduardo Habkost
Leandro Lupori
Juro Bystricky
Philippe Mathieu-Daudé
Willian Rampazzo
Andreas Schwab
Daniella Lee
Jason Wang
Peter Maydell
Eugenio Pérez
Laurent Vivier
Cindy Lu
Shashi Mallela
Alexander Graf
Hanna Reitz