Commit 30896374 started to pass the full BlockConf from usb-storage to
scsi-disk, while previously only a few select properties would be
forwarded. This enables the user to set more properties, e.g. the block
size, that are actually taking effect.
However, now the calls to blkconf_apply_backend_options() and
blkconf_blocksizes() in usb_msd_storage_realize() that modify some of
these properties take effect, too, instead of being silently ignored.
This means at least that the block sizes get an unconditional default of
512 bytes before the configuration is passed to scsi-disk.
Before commit 30896374, the property wouldn't be set for scsi-disk and
therefore the device dependent defaults would apply - 512 for scsi-hd,
but 2048 for scsi-cd. The latter default has now become 512, too, which
makes at least Windows 11 installation fail when installing from
usb-storage.
Fix this by simply not calling these functions any more in usb-storage
and passing BlockConf on unmodified (except for the BlockBackend). The
same functions are called by the SCSI code anyway and it sets the right
defaults for the actual media type.
Fixes: 3089637461 ('scsi: Don't ignore most usb-storage properties')
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2260
Reported-by: Jonas Svensson
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Hanna Czenczek <hreitz@redhat.com>
Message-id: 20240412144202.13786-1-kwolf@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
A last minute fix for a use of a vector after it's released.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu into staging
virtio: bugfix
A last minute fix for a use of a vector after it's released.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
# -----BEGIN PGP SIGNATURE-----
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# =H3M5
# -----END PGP SIGNATURE-----
# gpg: Signature made Mon 15 Apr 2024 11:51:55 BST
# 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]
# Primary key fingerprint: 0270 606B 6F3C DF3D 0B17 0970 C350 3912 AFBE 8E67
# Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA 8A0D 281F 0DB8 D28D 5469
* tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu:
virtio-pci: fix use of a released vector
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Real 460EX SoC apparently does not expose a bridge device and having
it appear on PCI bus confuses an AmigaOS file system driver that uses
this to detect which machine it is running on.
Cc: qemu-stable@nongnu.org
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240411192443.B4D644E6026@zero.eik.bme.hu>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Move calculation of mask after the switch which sets the function
number for PIRQ/PINT pins to make sure the state of these pins are
kept track of separately and IRQ is raised if any of them is active.
Cc: qemu-stable@nongnu.org
Fixes: 7e01bd80c1 hw/isa/vt82c686: Bring back via_isa_set_irq()
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240410222543.0EA534E6005@zero.eik.bme.hu>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
During the booting process of the non-standard image, the behavior of the
called function in qemu is as follows:
1. vhost_net_stop() was triggered by guest image. This will call the function
virtio_pci_set_guest_notifiers() with assgin= false,
virtio_pci_set_guest_notifiers(） will release the irqfd for vector 0
2. virtio_reset() was triggered, this will set configure vector to VIRTIO_NO_VECTOR
3.vhost_net_start() was called (at this time, the configure vector is
still VIRTIO_NO_VECTOR) and then call virtio_pci_set_guest_notifiers() with
assgin=true, so the irqfd for vector 0 is still not "init" during this process
4. The system continues to boot and sets the vector back to 0. After that
msix_fire_vector_notifier() was triggered to unmask the vector 0 and meet the crash
To fix the issue, we need to support changing the vector after VIRTIO_CONFIG_S_DRIVER_OK is set.
(gdb) bt
0 __pthread_kill_implementation (threadid=<optimized out>, signo=signo@entry=6, no_tid=no_tid@entry=0)
at pthread_kill.c:44
1 0x00007fc87148ec53 in __pthread_kill_internal (signo=6, threadid=<optimized out>) at pthread_kill.c:78
2 0x00007fc87143e956 in __GI_raise (sig=sig@entry=6) at ../sysdeps/posix/raise.c:26
3 0x00007fc8714287f4 in __GI_abort () at abort.c:79
4 0x00007fc87142871b in __assert_fail_base
(fmt=0x7fc8715bbde0 "%s%s%s:%u: %s%sAssertion `%s' failed.\n%n", assertion=0x5606413efd53 "ret == 0", file=0x5606413ef87d "../accel/kvm/kvm-all.c", line=1837, function=<optimized out>) at assert.c:92
5 0x00007fc871437536 in __GI___assert_fail
(assertion=0x5606413efd53 "ret == 0", file=0x5606413ef87d "../accel/kvm/kvm-all.c", line=1837, function=0x5606413f06f0 <__PRETTY_FUNCTION__.19> "kvm_irqchip_commit_routes") at assert.c:101
6 0x0000560640f884b5 in kvm_irqchip_commit_routes (s=0x560642cae1f0) at ../accel/kvm/kvm-all.c:1837
7 0x0000560640c98f8e in virtio_pci_one_vector_unmask
(proxy=0x560643c65f00, queue_no=4294967295, vector=0, msg=..., n=0x560643c6e4c8)
at ../hw/virtio/virtio-pci.c:1005
8 0x0000560640c99201 in virtio_pci_vector_unmask (dev=0x560643c65f00, vector=0, msg=...)
at ../hw/virtio/virtio-pci.c:1070
9 0x0000560640bc402e in msix_fire_vector_notifier (dev=0x560643c65f00, vector=0, is_masked=false)
at ../hw/pci/msix.c:120
10 0x0000560640bc40f1 in msix_handle_mask_update (dev=0x560643c65f00, vector=0, was_masked=true)
at ../hw/pci/msix.c:140
11 0x0000560640bc4503 in msix_table_mmio_write (opaque=0x560643c65f00, addr=12, val=0, size=4)
at ../hw/pci/msix.c:231
12 0x0000560640f26d83 in memory_region_write_accessor
(mr=0x560643c66540, addr=12, value=0x7fc86b7bc628, size=4, shift=0, mask=4294967295, attrs=...)
at ../system/memory.c:497
13 0x0000560640f270a6 in access_with_adjusted_size
(addr=12, value=0x7fc86b7bc628, size=4, access_size_min=1, access_size_max=4, access_fn=0x560640f26c8d <memory_region_write_accessor>, mr=0x560643c66540, attrs=...) at ../system/memory.c:573
14 0x0000560640f2a2b5 in memory_region_dispatch_write (mr=0x560643c66540, addr=12, data=0, op=MO_32, attrs=...)
at ../system/memory.c:1521
15 0x0000560640f37bac in flatview_write_continue
(fv=0x7fc65805e0b0, addr=4273803276, attrs=..., ptr=0x7fc871e9c028, len=4, addr1=12, l=4, mr=0x560643c66540)
at ../system/physmem.c:2714
16 0x0000560640f37d0f in flatview_write
(fv=0x7fc65805e0b0, addr=4273803276, attrs=..., buf=0x7fc871e9c028, len=4) at ../system/physmem.c:2756
17 0x0000560640f380bf in address_space_write
(as=0x560642161ae0 <address_space_memory>, addr=4273803276, attrs=..., buf=0x7fc871e9c028, len=4)
at ../system/physmem.c:2863
18 0x0000560640f3812c in address_space_rw
(as=0x560642161ae0 <address_space_memory>, addr=4273803276, attrs=..., buf=0x7fc871e9c028, len=4, is_write=true) at ../system/physmem.c:2873
--Type <RET> for more, q to quit, c to continue without paging--
19 0x0000560640f8aa55 in kvm_cpu_exec (cpu=0x560642f205e0) at ../accel/kvm/kvm-all.c:2915
20 0x0000560640f8d731 in kvm_vcpu_thread_fn (arg=0x560642f205e0) at ../accel/kvm/kvm-accel-ops.c:51
21 0x00005606411949f4 in qemu_thread_start (args=0x560642f292b0) at ../util/qemu-thread-posix.c:541
22 0x00007fc87148cdcd in start_thread (arg=<optimized out>) at pthread_create.c:442
23 0x00007fc871512630 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81
(gdb)
MST: coding style and typo fixups
Fixes: f9a09ca3ea ("vhost: add support for configure interrupt")
Cc: qemu-stable@nongnu.org
Signed-off-by: Cindy Lu <lulu@redhat.com>
Message-ID: <2321ade5f601367efe7380c04e3f61379c59b48f.1713173550.git.mst@redhat.com>
Cc: Lei Yang <leiyang@redhat.com>
Cc: Jason Wang <jasowang@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Tested-by: Cindy Lu <lulu@redhat.com>
QEMU currently does not work on OpenBSD since the -fzero-call-used-regs
option that we added to meson.build recently does not work with the
"retguard" extension from OpenBSD's Clang. Thus let's disable the
-fzero-call-used-regs here until there's a better solution available.
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2278
Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240411120819.56417-1-thuth@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Our Makefile massages the given make arguments to invoke ninja
accordingly. One key difference is that ninja will parallelize by
default, whereas make only does so with -j<n> or -j. The make man page
says that "if the -j option is given without an argument, make will not
limit the number of jobs that can run simultaneously". We use to support
that by replacing -j with "" (empty string) when calling ninja, so that
it would do its auto-parallelization based on the number of CPU cores.
This was accidentally broken at d1ce2cc95b (Makefile: preserve
--jobserver-auth argument when calling ninja, 2024-04-02),
causing `make -j` to fail:
$ make -j V=1
/usr/bin/ninja -v -j -d keepdepfile all | cat
make -C contrib/plugins/ V="1" TARGET_DIR="contrib/plugins/" all
ninja: fatal: invalid -j parameter
make: *** [Makefile:161: run-ninja] Error
Let's fix that and indent the touched code for better readability.
Signed-off-by: Matheus Tavares Bernardino <quic_mathbern@quicinc.com>
Fixes: d1ce2cc95b ("Makefile: preserve --jobserver-auth argument when calling ninja", 2024-04-02)
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Per "SD Host Controller Standard Specification Version 3.00":
* 2.2.5 Transfer Mode Register (Offset 00Ch)
Writes to this register shall be ignored when the Command
Inhibit (DAT) in the Present State register is 1.
Do not update the TRNMOD register when Command Inhibit (DAT)
bit is set to avoid the present-status register going out of
sync, leading to malicious guest using DMA mode and overflowing
the FIFO buffer:
$ cat << EOF | qemu-system-i386 \
-display none -nographic -nodefaults \
-machine accel=qtest -m 512M \
-device sdhci-pci,sd-spec-version=3 \
-device sd-card,drive=mydrive \
-drive if=none,index=0,file=null-co://,format=raw,id=mydrive \
-qtest stdio
outl 0xcf8 0x80001013
outl 0xcfc 0x91
outl 0xcf8 0x80001001
outl 0xcfc 0x06000000
write 0x9100002c 0x1 0x05
write 0x91000058 0x1 0x16
write 0x91000005 0x1 0x04
write 0x91000028 0x1 0x08
write 0x16 0x1 0x21
write 0x19 0x1 0x20
write 0x9100000c 0x1 0x01
write 0x9100000e 0x1 0x20
write 0x9100000f 0x1 0x00
write 0x9100000c 0x1 0x00
write 0x91000020 0x1 0x00
EOF
Stack trace (part):
=================================================================
==89993==ERROR: AddressSanitizer: heap-buffer-overflow on address
0x615000029900 at pc 0x55d5f885700d bp 0x7ffc1e1e9470 sp 0x7ffc1e1e9468
WRITE of size 1 at 0x615000029900 thread T0
#0 0x55d5f885700c in sdhci_write_dataport hw/sd/sdhci.c:564:39
#1 0x55d5f8849150 in sdhci_write hw/sd/sdhci.c:1223:13
#2 0x55d5fa01db63 in memory_region_write_accessor system/memory.c:497:5
#3 0x55d5fa01d245 in access_with_adjusted_size system/memory.c:573:18
#4 0x55d5fa01b1a9 in memory_region_dispatch_write system/memory.c:1521:16
#5 0x55d5fa09f5c9 in flatview_write_continue system/physmem.c:2711:23
#6 0x55d5fa08f78b in flatview_write system/physmem.c:2753:12
#7 0x55d5fa08f258 in address_space_write system/physmem.c:2860:18
...
0x615000029900 is located 0 bytes to the right of 512-byte region
[0x615000029700,0x615000029900) allocated by thread T0 here:
#0 0x55d5f7237b27 in __interceptor_calloc
#1 0x7f9e36dd4c50 in g_malloc0
#2 0x55d5f88672f7 in sdhci_pci_realize hw/sd/sdhci-pci.c:36:5
#3 0x55d5f844b582 in pci_qdev_realize hw/pci/pci.c:2092:9
#4 0x55d5fa2ee74b in device_set_realized hw/core/qdev.c:510:13
#5 0x55d5fa325bfb in property_set_bool qom/object.c:2358:5
#6 0x55d5fa31ea45 in object_property_set qom/object.c:1472:5
#7 0x55d5fa332509 in object_property_set_qobject om/qom-qobject.c:28:10
#8 0x55d5fa31f6ed in object_property_set_bool qom/object.c:1541:15
#9 0x55d5fa2e2948 in qdev_realize hw/core/qdev.c:292:12
#10 0x55d5f8eed3f1 in qdev_device_add_from_qdict system/qdev-monitor.c:719:10
#11 0x55d5f8eef7ff in qdev_device_add system/qdev-monitor.c:738:11
#12 0x55d5f8f211f0 in device_init_func system/vl.c:1200:11
#13 0x55d5fad0877d in qemu_opts_foreach util/qemu-option.c:1135:14
#14 0x55d5f8f0df9c in qemu_create_cli_devices system/vl.c:2638:5
#15 0x55d5f8f0db24 in qmp_x_exit_preconfig system/vl.c:2706:5
#16 0x55d5f8f14dc0 in qemu_init system/vl.c:3737:9
...
SUMMARY: AddressSanitizer: heap-buffer-overflow hw/sd/sdhci.c:564:39
in sdhci_write_dataport
Add assertions to ensure the fifo_buffer[] is not overflowed by
malicious accesses to the Buffer Data Port register.
Fixes: CVE-2024-3447
Cc: qemu-stable@nongnu.org
Fixes: d7dfca0807 ("hw/sdhci: introduce standard SD host controller")
Buglink: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=58813
Reported-by: Alexander Bulekov <alxndr@bu.edu>
Reported-by: Chuhong Yuan <hslester96@gmail.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <CAFEAcA9iLiv1XGTGKeopgMa8Y9+8kvptvsb8z2OBeuy+5=NUfg@mail.gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20240409145524.27913-1-philmd@linaro.org>
When the MAC Interface Layer (MIL) transmit FIFO is full,
truncate the packet, and raise the Transmitter Error (TXE)
flag.
Broken since model introduction in commit 2a42499017
("LAN9118 emulation").
When using the reproducer from
https://gitlab.com/qemu-project/qemu/-/issues/2267 we get:
hw/net/lan9118.c:798:17: runtime error:
index 2048 out of bounds for type 'uint8_t[2048]' (aka 'unsigned char[2048]')
#0 0x563ec9a057b1 in tx_fifo_push hw/net/lan9118.c:798:43
#1 0x563ec99fbb28 in lan9118_writel hw/net/lan9118.c:1042:9
#2 0x563ec99f2de2 in lan9118_16bit_mode_write hw/net/lan9118.c:1205:9
#3 0x563ecbf78013 in memory_region_write_accessor system/memory.c:497:5
#4 0x563ecbf776f5 in access_with_adjusted_size system/memory.c:573:18
#5 0x563ecbf75643 in memory_region_dispatch_write system/memory.c:1521:16
#6 0x563ecc01bade in flatview_write_continue_step system/physmem.c:2713:18
#7 0x563ecc01b374 in flatview_write_continue system/physmem.c:2743:19
#8 0x563ecbff1c9b in flatview_write system/physmem.c:2774:12
#9 0x563ecbff1768 in address_space_write system/physmem.c:2894:18
...
[*] LAN9118 DS00002266B.pdf, Table 5.3.3 "INTERRUPT STATUS REGISTER"
Cc: qemu-stable@nongnu.org
Reported-by: Will Lester
Reported-by: Chuhong Yuan <hslester96@gmail.com>
Suggested-by: Peter Maydell <peter.maydell@linaro.org>
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2267
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20240409133801.23503-3-philmd@linaro.org>
The magic 2048 is explained in the LAN9211 datasheet (DS00002414A)
in chapter 1.4, "10/100 Ethernet MAC":
The MAC Interface Layer (MIL), within the MAC, contains a
2K Byte transmit and a 128 Byte receive FIFO which is separate
from the TX and RX FIFOs. [...]
Note, the use of the constant in lan9118_receive() reveals that
our implementation is using the same buffer for both tx and rx.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20240409133801.23503-2-philmd@linaro.org>
AppleSMCData is allocated with g_new0() in applesmc_add_key():
release it with g_free().
Leaked since commit 1ddda5cd36 ("AppleSMC device emulation").
Cc: qemu-stable@nongnu.org
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2272
Reported-by: Zheyu Ma <zheyuma97@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20240408095217.57239-3-philmd@linaro.org>
QDev core layer always call DeviceReset() after DeviceRealize(),
no need to do it manually. Remove the extra call.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20240408095217.57239-2-philmd@linaro.org>
nand_command() and nand_getio() don't check @offset points
into the block, nor the available data length (s->iolen) is
not negative.
In order to fix:
- check the offset is in range in nand_blk_load_NAND_PAGE_SIZE(),
- do not set @iolen if blk_load() failed.
Reproducer:
$ cat << EOF | qemu-system-arm -machine tosa \
-monitor none -serial none \
-display none -qtest stdio
write 0x10000111 0x1 0xca
write 0x10000104 0x1 0x47
write 0x1000ca04 0x1 0xd7
write 0x1000ca01 0x1 0xe0
write 0x1000ca04 0x1 0x71
write 0x1000ca00 0x1 0x50
write 0x1000ca04 0x1 0xd7
read 0x1000ca02 0x1
write 0x1000ca01 0x1 0x10
EOF
=================================================================
==15750==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x61f000000de0
at pc 0x560e61557210 bp 0x7ffcfc4a59f0 sp 0x7ffcfc4a59e8
READ of size 1 at 0x61f000000de0 thread T0
#0 0x560e6155720f in mem_and hw/block/nand.c:101:20
#1 0x560e6155ac9c in nand_blk_write_512 hw/block/nand.c:663:9
#2 0x560e61544200 in nand_command hw/block/nand.c:293:13
#3 0x560e6153cc83 in nand_setio hw/block/nand.c:520:13
#4 0x560e61a0a69e in tc6393xb_nand_writeb hw/display/tc6393xb.c:380:13
#5 0x560e619f9bf7 in tc6393xb_writeb hw/display/tc6393xb.c:524:9
#6 0x560e647c7d03 in memory_region_write_accessor softmmu/memory.c:492:5
#7 0x560e647c7641 in access_with_adjusted_size softmmu/memory.c:554:18
#8 0x560e647c5f66 in memory_region_dispatch_write softmmu/memory.c:1514:16
#9 0x560e6485409e in flatview_write_continue softmmu/physmem.c:2825:23
#10 0x560e648421eb in flatview_write softmmu/physmem.c:2867:12
#11 0x560e64841ca8 in address_space_write softmmu/physmem.c:2963:18
#12 0x560e61170162 in qemu_writeb tests/qtest/videzzo/videzzo_qemu.c:1080:5
#13 0x560e6116eef7 in dispatch_mmio_write tests/qtest/videzzo/videzzo_qemu.c:1227:28
0x61f000000de0 is located 0 bytes to the right of 3424-byte region [0x61f000000080,0x61f000000de0)
allocated by thread T0 here:
#0 0x560e611276cf in malloc /root/llvm-project/compiler-rt/lib/asan/asan_malloc_linux.cpp:145:3
#1 0x7f7959a87e98 in g_malloc (/lib/x86_64-linux-gnu/libglib-2.0.so.0+0x57e98)
#2 0x560e64b98871 in object_new qom/object.c:749:12
#3 0x560e64b5d1a1 in qdev_new hw/core/qdev.c:153:19
#4 0x560e61547ea5 in nand_init hw/block/nand.c:639:11
#5 0x560e619f8772 in tc6393xb_init hw/display/tc6393xb.c:558:16
#6 0x560e6390bad2 in tosa_init hw/arm/tosa.c:250:12
SUMMARY: AddressSanitizer: heap-buffer-overflow hw/block/nand.c:101:20 in mem_and
==15750==ABORTING
Broken since introduction in commit 3e3d5815cb ("NAND Flash memory
emulation and ECC calculation helpers for use by NAND controllers").
Cc: qemu-stable@nongnu.org
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1445
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1446
Reported-by: Qiang Liu <cyruscyliu@gmail.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20240409135944.24997-4-philmd@linaro.org>
Negative offset is meaningless, use unsigned type.
Return a boolean value indicating success.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20240409135944.24997-3-philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20240409135944.24997-2-philmd@linaro.org>
