Commit graph

123464 commits

Author SHA1 Message Date
Jan Kiszka
22ece1a6eb crypto/hmac: Allow to build hmac over multiple qcrypto_gnutls_hmac_bytes[v] calls
If the buffers that should be considered for building the hmac are not
available at the same time, the current API is unsuitable. Extend it so
that passing a NULL pointer as result_len is used as indicator that
further buffers will be passed in succeeding calls to
qcrypto_gnutls_hmac_bytes[v].

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <2d3539c247a6c323491a3821f0e5b6fc382a4686.1756706188.git.jan.kiszka@siemens.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2025-09-02 17:58:05 +02:00
Jan Kiszka
e2d7c1a3cd hw/sd/sdcard: Refactor sd_bootpart_offset
This function provides the offset for any partition in the block image,
not only the boot partitions, therefore rename it. Align the constant
names with the numbering scheme in the standard and use constants for
both boot partitions for consistency reasons. There is also no reason to
return early if boot_part_size is zero because the existing code will
provide the right value in that case as well.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <66e9b07476aad61820c4f42f4f984cc90752ba5e.1756706188.git.jan.kiszka@siemens.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2025-09-02 17:58:05 +02:00
Jan Kiszka
79d472a510 hw/sd/sdcard: Add validation for boot-partition-size
Make sure we are not silently rounding down or even wrapping around,
causing inconsistencies with the provided image.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
[PMD: Use g_autofree, suggested by Alex]
Message-ID: <1fff448da042bdf8cff7733ce67cadff4c540f1d.1756706188.git.jan.kiszka@siemens.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2025-09-02 17:58:05 +02:00
Philippe Mathieu-Daudé
60c8ee1a6d hw/net: Remove mipsnet device model
The mipsnet device model was only used by the mipssim machine,
which just got removed. Remove as now dead code.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Message-Id: <20250828143800.49842-3-philmd@linaro.org>
2025-09-02 17:57:05 +02:00
Philippe Mathieu-Daudé
acba1ebcad hw/mips: Remove mipssim machine
The "mipssim" machine is deprecated since commit facfc943cb
("hw/mips: Mark the "mipssim" machine as deprecated"), released
in v10.0; time to remove.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Message-Id: <20250828143800.49842-2-philmd@linaro.org>
2025-09-02 17:57:05 +02:00
Peter Maydell
6592f710e4 hw/display/xlnx_dp: Don't leak dpcd and edid objects
In the xnlx_dp_init() function we create the s->dpcd and
s->edid objects with qdev_new(); then in xlnx_dp_realize()
we realize the dpcd with qdev_realize() and the edid with
qdev_realize_and_unref().

This is inconsistent, and both ways result in a memory
leak for the instance_init -> deinit lifecycle tested
by device-introspect-test:

Indirect leak of 1968 byte(s) in 1 object(s) allocated from:
    #0 0x5aded4d54e23 in malloc (/mnt/nvmedisk/linaro/qemu-from-laptop/qemu/build/arm-asan/qemu-system-aarch64+0x24ffe23) (BuildId: 9f1e6c5
3fecd904ba5fc1f521d7da080a0e4103b)
    #1 0x71fbfac9bb09 in g_malloc (/lib/x86_64-linux-gnu/libglib-2.0.so.0+0x62b09) (BuildId: 1eb6131419edb83b2178b682829a6913cf682d75)
    #2 0x5aded7b9211c in object_new_with_type /mnt/nvmedisk/linaro/qemu-from-laptop/qemu/build/arm-asan/../../qom/object.c:767:15
    #3 0x5aded7b92240 in object_new /mnt/nvmedisk/linaro/qemu-from-laptop/qemu/build/arm-asan/../../qom/object.c:789:12
    #4 0x5aded7b773e4 in qdev_new /mnt/nvmedisk/linaro/qemu-from-laptop/qemu/build/arm-asan/../../hw/core/qdev.c:149:19
    #5 0x5aded54458be in xlnx_dp_init /mnt/nvmedisk/linaro/qemu-from-laptop/qemu/build/arm-asan/../../hw/display/xlnx_dp.c:1272:20

Direct leak of 344 byte(s) in 1 object(s) allocated from:
    #0 0x5aded4d54e23 in malloc (/mnt/nvmedisk/linaro/qemu-from-laptop/qemu/build/arm-asan/qemu-system-aarch64+0x24ffe23) (BuildId: 9f1e6c53fecd904ba5fc1f521d7da080a0e4103b)
    #1 0x71fbfac9bb09 in g_malloc (/lib/x86_64-linux-gnu/libglib-2.0.so.0+0x62b09) (BuildId: 1eb6131419edb83b2178b682829a6913cf682d75)
    #2 0x5aded7b9211c in object_new_with_type /mnt/nvmedisk/linaro/qemu-from-laptop/qemu/build/arm-asan/../../qom/object.c:767:15
    #3 0x5aded7b92240 in object_new /mnt/nvmedisk/linaro/qemu-from-laptop/qemu/build/arm-asan/../../qom/object.c:789:12
    #4 0x5aded7b773e4 in qdev_new /mnt/nvmedisk/linaro/qemu-from-laptop/qemu/build/arm-asan/../../hw/core/qdev.c:149:19
    #5 0x5aded5445a56 in xlnx_dp_init /mnt/nvmedisk/linaro/qemu-from-laptop/qemu/build/arm-asan/../../hw/display/xlnx_dp.c:1275:22

Instead, explicitly object_unref() after we have added the objects as
child properties of the device.  This means they will automatically
be freed when this device is deinited.  When we do this,
qdev_realize() is the correct way to realize them in
xlnx_dp_realize().

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Francisco Iglesias <francisco.iglesias@amd.com>
Reviewed-by: Manos Pitsidianakis <manos.pitsidianakis@linaro.org>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@amd.com>
Message-ID: <20250826174956.3010274-3-peter.maydell@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2025-09-02 17:57:05 +02:00
Peter Maydell
4dec497264 hw/misc/xlnx-versal-cframe-reg: Free FIFO, g_tree on deinit
In the xlnx-versal-cframe-reg device we create a FIFO in
instance_init but don't destroy it on deinit, causing ASAN
to report a leak in the device-introspect-test:

Direct leak of 400 byte(s) in 1 object(s) allocated from:
    #0 0x5aded4d54e23 in malloc (/mnt/nvmedisk/linaro/qemu-from-laptop/qemu/build/arm-asan/qemu-system-aarch64+0x24ffe23) (BuildId: 9f1e6c53fecd904ba5fc1f521d7da080a0e4103b)
    #1 0x71fbfac9bb09 in g_malloc (/lib/x86_64-linux-gnu/libglib-2.0.so.0+0x62b09) (BuildId: 1eb6131419edb83b2178b682829a6913cf682d75)
    #2 0x5aded850059d in fifo8_create /mnt/nvmedisk/linaro/qemu-from-laptop/qemu/build/arm-asan/../../util/fifo8.c:27:18
    #3 0x5aded582b9e4 in fifo32_create /mnt/nvmedisk/linaro/qemu-from-laptop/qemu/include/qemu/fifo32.h:35:5
    #4 0x5aded582b326 in cframe_reg_init /mnt/nvmedisk/linaro/qemu-from-laptop/qemu/build/arm-asan/../../hw/misc/xlnx-versal-cframe-reg.c:693:5

Similarly, we don't clean up the g_tree we create:
Direct leak of 48 byte(s) in 1 object(s) allocated from:
    #0 0x5aded4d54e23 in malloc (/mnt/nvmedisk/linaro/qemu-from-laptop/qemu/build/arm-asan/qemu-system-aarch64+0x24ffe23) (BuildId: 9f1e6c5
3fecd904ba5fc1f521d7da080a0e4103b)
    #1 0x71fbfac9bb09 in g_malloc (/lib/x86_64-linux-gnu/libglib-2.0.so.0+0x62b09) (BuildId: 1eb6131419edb83b2178b682829a6913cf682d75)
    #2 0x71fbfaccc799 in g_tree_new_full (/lib/x86_64-linux-gnu/libglib-2.0.so.0+0x93799) (BuildId: 1eb6131419edb83b2178b682829a6913cf682d7
5)
    #3 0x5aded582b21a in cframe_reg_init /mnt/nvmedisk/linaro/qemu-from-laptop/qemu/build/arm-asan/../../hw/misc/xlnx-versal-cframe-reg.c:691:18

Add an instance_finalize method to clean up what we
allocated in instance_init.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@amd.com>
Reviewed-by: Manos Pitsidianakis <manos.pitsidianakis@linaro.org>
Reviewed-by: Francisco Iglesias <francisco.iglesias@amd.com>
Message-ID: <20250826174956.3010274-2-peter.maydell@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2025-09-02 17:57:05 +02:00
Peter Maydell
ac6b124180 hw/char/max78000_uart: Destroy FIFO on deinit
In the max78000_uart we create a FIFO in the instance_init function,
but we don't destroy it on deinit, so ASAN reports a leak in the
device-introspect-test:

    #0 0x561cc92d5de3 in malloc (/mnt/nvmedisk/linaro/qemu-from-laptop/qemu/build/arm-asan/qemu-system-arm+0x21f1de3) (BuildId: 98fdf9fc85c3beaeca8eda0be8412f1e11b9c6ad)
    #1 0x70cbf2afab09 in g_malloc (/lib/x86_64-linux-gnu/libglib-2.0.so.0+0x62b09) (BuildId: 1eb6131419edb83b2178b682829a6913cf682d75)
    #2 0x561ccc4c884d in fifo8_create /mnt/nvmedisk/linaro/qemu-from-laptop/qemu/build/arm-asan/../../util/fifo8.c:27:18
    #3 0x561cc9744ec9 in max78000_uart_init /mnt/nvmedisk/linaro/qemu-from-laptop/qemu/build/arm-asan/../../hw/char/max78000_uart.c:241:5

Add an instance_finalize method to destroy the FIFO.

Cc: qemu-stable@nongnu.org
Fixes: d447e4b702 ("MAX78000: UART Implementation")
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20250821154358.2417744-1-peter.maydell@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2025-09-02 17:57:05 +02:00
Peter Maydell
3284d1c07c hw/gpio/pca9554: Avoid leak in pca9554_set_pin()
In pca9554_set_pin() we have a string property which we parse in
order to set some non-string fields in the device state.  So we call
visit_type_str(), passing it the address of the local variable
state_str.

visit_type_str() will allocate a new copy of the string; we
never free this string, so the result is a memory leak, detected
by ASAN during a "make check" run:

Direct leak of 5 byte(s) in 1 object(s) allocated from:
    #0 0x5d605212ede3 in malloc (/mnt/nvmedisk/linaro/qemu-from-laptop/qemu/build/arm-asan/qemu-system-arm+0x21f1de3) (
BuildId: 3d5373c89317f58bfcd191a33988c7347714be14)
    #1 0x7f7edea57b09 in g_malloc (/lib/x86_64-linux-gnu/libglib-2.0.so.0+0x62b09) (BuildId: 1eb6131419edb83b2178b68282
9a6913cf682d75)
    #2 0x7f7edea6d4d8 in g_strdup (/lib/x86_64-linux-gnu/libglib-2.0.so.0+0x784d8) (BuildId: 1eb6131419edb83b2178b68282
9a6913cf682d75)
    #3 0x5d6055289a91 in g_strdup_inline /usr/include/glib-2.0/glib/gstrfuncs.h:321:10
    #4 0x5d6055289a91 in qobject_input_type_str /mnt/nvmedisk/linaro/qemu-from-laptop/qemu/build/arm-asan/../../qapi/qo
bject-input-visitor.c:542:12
    #5 0x5d605528479c in visit_type_str /mnt/nvmedisk/linaro/qemu-from-laptop/qemu/build/arm-asan/../../qapi/qapi-visit
-core.c:349:10
    #6 0x5d60528bdd87 in pca9554_set_pin /mnt/nvmedisk/linaro/qemu-from-laptop/qemu/build/arm-asan/../../hw/gpio/pca9554.c:179:10
    #7 0x5d60549bcbbb in object_property_set /mnt/nvmedisk/linaro/qemu-from-laptop/qemu/build/arm-asan/../../qom/object.c:1450:5
    #8 0x5d60549d2055 in object_property_set_qobject /mnt/nvmedisk/linaro/qemu-from-laptop/qemu/build/arm-asan/../../qom/qom-qobject.c:28:10
    #9 0x5d60549bcdf1 in object_property_set_str /mnt/nvmedisk/linaro/qemu-from-laptop/qemu/build/arm-asan/../../qom/object.c:1458:15
    #10 0x5d605439d077 in gb200nvl_bmc_i2c_init /mnt/nvmedisk/linaro/qemu-from-laptop/qemu/build/arm-asan/../../hw/arm/aspeed.c:1267:5
    #11 0x5d60543a3bbc in aspeed_machine_init /mnt/nvmedisk/linaro/qemu-from-laptop/qemu/build/arm-asan/../../hw/arm/aspeed.c:493:9

Make the state_str g_autofree, so that we will always free
it, on both error-exit and success codepaths.

Cc: qemu-stable@nongnu.org
Fixes: de0c7d543b ("misc: Add a pca9554 GPIO device model")
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Glenn Miles <milesg@linux.ibm.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20250821154459.2417976-1-peter.maydell@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2025-09-02 17:57:05 +02:00
Peter Maydell
f905be6237 hw/ide/ich.c: Use qemu_init_irq_child() to avoid memory leak
The ICH9 PCI device uses qemu_init_irq() in its instance_init method,
but fails to clean it up in its uninit. This results in a leak,
detected by ASAN when running the device-introspect-test:

Direct leak of 96 byte(s) in 1 object(s) allocated from:
    #0 0x58f3b53ecde3 in malloc (/mnt/nvmedisk/linaro/qemu-from-laptop/qemu/build/arm-asan/qem
u-system-arm+0x21f1de3) (BuildId: 8dcd38b1d76bd7bd44f905c38200f4cceafd7ca4)
    #1 0x72e446dd5b09 in g_malloc (/lib/x86_64-linux-gnu/libglib-2.0.so.0+0x62b09) (BuildId: 1
eb6131419edb83b2178b682829a6913cf682d75)
    #2 0x72e446db745a in g_hash_table_new_full (/lib/x86_64-linux-gnu/libglib-2.0.so.0+0x4445a
) (BuildId: 1eb6131419edb83b2178b682829a6913cf682d75)
    #3 0x58f3b7c6fc67 in object_initialize_with_type /mnt/nvmedisk/linaro/qemu-from-laptop/qem
u/build/arm-asan/../../qom/object.c:568:23
    #4 0x58f3b7c6f670 in object_initialize /mnt/nvmedisk/linaro/qemu-from-laptop/qemu/build/ar
m-asan/../../qom/object.c:578:5
    #5 0x58f3b7c6611b in qemu_init_irq /mnt/nvmedisk/linaro/qemu-from-laptop/qemu/build/arm-asan/../../hw/core/irq.c:48:5
    #6 0x58f3b5c6e931 in pci_ich9_ahci_init /mnt/nvmedisk/linaro/qemu-from-laptop/qemu/build/arm-asan/../../hw/ide/ich.c:117:5

We could call qemu_free_irq() in pci_ich9_uninit(), but
since we have a method of initializing the IRQ that doesn't
need manual freeing, use that instead: qemu_init_irq_child().

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20250821154053.2417090-4-peter.maydell@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2025-09-02 17:57:05 +02:00
Peter Maydell
d1c9061b97 hw/char/serial-pci-multi: Use qemu_init_irq_child() to avoid leak
The serial-pci-multi device initializes an IRQ with qemu_init_irq()
in its instance_init function; however it never calls qemu_free_irq(),
so the init/deinit cycle has a memory leak, which ASAN catches
in the device-introspect-test:

Direct leak of 576 byte(s) in 6 object(s) allocated from:
    #0 0x626306ddade3 in malloc (/mnt/nvmedisk/linaro/qemu-from-laptop/qemu/build/arm-asan/qem
u-system-arm+0x21f1de3) (BuildId: 52ece17287eba2d68e5be980e1856cd1f6be932f)
    #1 0x7756ade79b09 in g_malloc (/lib/x86_64-linux-gnu/libglib-2.0.so.0+0x62b09) (BuildId: 1
eb6131419edb83b2178b682829a6913cf682d75)
    #2 0x7756ade5b45a in g_hash_table_new_full (/lib/x86_64-linux-gnu/libglib-2.0.so.0+0x4445a
) (BuildId: 1eb6131419edb83b2178b682829a6913cf682d75)
    #3 0x62630965da37 in object_initialize_with_type /mnt/nvmedisk/linaro/qemu-from-laptop/qem
u/build/arm-asan/../../qom/object.c:568:23
    #4 0x62630965d440 in object_initialize /mnt/nvmedisk/linaro/qemu-from-laptop/qemu/build/ar
m-asan/../../qom/object.c:578:5
    #5 0x626309653eeb in qemu_init_irq /mnt/nvmedisk/linaro/qemu-from-laptop/qemu/build/arm-as
an/../../hw/core/irq.c:48:5
    #6 0x6263072370bb in multi_serial_init /mnt/nvmedisk/linaro/qemu-from-laptop/qemu/build/arm-asan/../../hw/char/serial-pci-multi.c:183:9

Use the new qemu_init_irq_child() function instead, so that the
IRQ object is automatically unreffed when the serial-pci
device is deinited.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20250821154053.2417090-3-peter.maydell@linaro.org>
[PMD: Use "irq[*]" as child property name]
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2025-09-02 17:57:05 +02:00
Peter Maydell
01941107eb hw/irq: New qemu_init_irq_child() function
The qemu_init_irq() function initializes a TYPE_IRQ QOM object.  The
caller is therefore responsible for eventually calling
qemu_free_irq() to unref (and thus free) it.

In many places where we want to initialize an IRQ we are in
the init/realize of some other QOM object; if we have a variant
of this function that calls object_initialize_child() then the
IRQ will be automatically cleaned up when its parent object is
destroyed, and we don't need to remember to manually free it.

Implement qemu_init_irq_child(), which is to qemu_init_irq()
what object_initialize_child() is to object_initialize().

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20250821154053.2417090-2-peter.maydell@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2025-09-02 17:57:05 +02:00
Aditya Gupta
46d03bb23d hw/ppc: Fix build error with CONFIG_POWERNV disabled
Currently when CONFIG_POWERNV is not enabled, the build fails, such as
with --without-default-devices:

    $ ./configure --without-default-devices
    $ make

    [281/283] Linking target qemu-system-ppc64
    FAILED: qemu-system-ppc64
    cc -m64 @qemu-system-ppc64.rsp
    /usr/bin/ld: libqemu-ppc64-softmmu.a.p/target_ppc_misc_helper.c.o: in function `helper_load_sprd':
    .../target/ppc/misc_helper.c:335:(.text+0xcdc): undefined reference to `pnv_chip_find_core'
    /usr/bin/ld: libqemu-ppc64-softmmu.a.p/target_ppc_misc_helper.c.o: in function `helper_store_sprd':
    .../target/ppc/misc_helper.c:375:(.text+0xdf4): undefined reference to `pnv_chip_find_core'
    collect2: error: ld returned 1 exit status
    ...

This is since target/ppc/misc_helper.c references PowerNV specific
'pnv_chip_find_core' call.

Split the PowerNV specific SPRD code out of the generic PowerPC code, by
moving the SPRD code to pnv.c

Fixes: 9808ce6d5c ("target/ppc: Big-core scratch register fix")
Cc: Philippe Mathieu-Daudé <philmd@linaro.org>
Reported-by: Thomas Huth <thuth@redhat.com>
Suggested-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Aditya Gupta <adityag@linux.ibm.com>
Acked-by: Cédric Le Goater <clg@redhat.com>
Message-ID: <20250820122516.949766-2-adityag@linux.ibm.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2025-09-02 17:57:05 +02:00
Denis Rastyogin
1f82ca7234 target/mips: fix TLB huge page check to use 64-bit shift
Use extract64(entry, psn, 1) instead of (entry & (1 << psn)) to avoid
undefined behavior for shifts by 32–63 and to make bit extraction intent explicit.

Found by Linux Verification Center (linuxtesting.org) with SVACE.

Signed-off-by: Denis Rastyogin <gerben@altlinux.org>
Message-ID: <20250814104914.13101-1-gerben@altlinux.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2025-09-02 17:57:05 +02:00
Philippe Mathieu-Daudé
51c3aebfda linux-user/mips: Select M14Kc CPU to run microMIPS binaries
The M14Kc is our latest CPU supporting the microMIPS ASE.

Note, currently QEMU doesn't have 64-bit CPU supporting microMIPS ASE.

Cc: qemu-stable@nongnu.org
Fixes: 3c824109da ("target-mips: microMIPS ASE support")
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/3054
Reported-by: Justin Applegate <justink.applegate@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20250814070650.78657-4-philmd@linaro.org>
2025-09-02 17:57:05 +02:00
Philippe Mathieu-Daudé
7a09b3cc70 linux-user/mips: Select 74Kf CPU to run MIPS16e binaries
The 74Kf is our latest CPU supporting MIPS16e ASE.

Note, currently QEMU doesn't have 64-bit CPU supporting MIPS16e ASE.

Cc: qemu-stable@nongnu.org
Fixes: 6ea219d0196..d19954f46df ("target-mips: MIPS16 support")
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/3054
Reported-by: Justin Applegate <justink.applegate@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20250814070650.78657-3-philmd@linaro.org>
2025-09-02 17:57:05 +02:00
Philippe Mathieu-Daudé
14ab44b96d elf: Add EF_MIPS_ARCH_ASE definitions
Include MIPS ASE ELF definitions from binutils:
https://sourceware.org/git/?p=binutils-gdb.git;a=blob;f=include/elf/mips.h;h=4fc190f404d828ded84e621bfcece5fa9f9c23c8;hb=HEAD#l210

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20250814070650.78657-2-philmd@linaro.org>
2025-09-02 17:57:05 +02:00
Philippe Mathieu-Daudé
831d75fd73 hw/ssi: Document ssi_transfer() method
A SPI transaction consists of shifting bit in sync with the CLK
line, writing on the MOSI (output) line / and reading MISO (input)
line.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Gustavo Romero <gustavo.romero@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
2025-09-02 17:57:05 +02:00
Philippe Mathieu-Daudé
7baa9c39fc hw/scsi/mptsas: Avoid silent integer truncation in MPI_FUNC_IOC_INIT
For the MaxDevices 8-bit field of the request / response structures
of the MPI_FUNCTION_IOC_INIT command, the 0x00 value means "max 256
devices". This is not a problem because when max_devices=256, its
value (0x100), being casted to a uint8_t, is truncated to 0x00.
However Coverity complains for an "Overflowed constant". Fix by
re-using the request fields in the response, since they are not
modified and use the same types.

Fix: Coverity 1547736 (Overflowed constant)
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20250811095550.93655-1-philmd@linaro.org>
2025-09-02 17:57:05 +02:00
Philippe Mathieu-Daudé
c5ade4f9d2 scripts/coverity-scan/COMPONENTS.md: Add a 'plugins' category
Cover the TCG plugins files under their own Coverity category.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Acked-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20250811094341.91597-1-philmd@linaro.org>
2025-09-02 17:57:05 +02:00
Laurent Vivier
8e4649cac9 e1000e: Prevent crash from legacy interrupt firing after MSI-X enable
A race condition between guest driver actions and QEMU timers can lead
to an assertion failure when the guest switches the e1000e from legacy
interrupt mode to MSI-X. If a legacy interrupt delay timer (TIDV or
RDTR) is active, but the guest enables MSI-X before the timer fires,
the pending interrupt cause can trigger an assert in
e1000e_intmgr_collect_delayed_causes().

This patch removes the assertion and executes the code that clears the
pending legacy causes. This change is safe and introduces no unintended
behavioral side effects, as it only alters a state that previously led
to termination.

- when core->delayed_causes == 0 the function was already a no-op and
  remains so.

- when core->delayed_causes != 0 the function would previously
  crash due to the assertion failure. The patch now defines a safe
  outcome by clearing the cause and returning. Since behavior after
  the assertion never existed, this simply corrects the crash.

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1863
Suggested-by: Akihiko Odaki <odaki@rsg.ci.i.u-tokyo.ac.jp>
Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Akihiko Odaki <odaki@rsg.ci.i.u-tokyo.ac.jp>
Message-ID: <20250807110806.409065-1-lvivier@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2025-09-02 17:57:05 +02:00
Pierrick Bouvier
c0a3bdf62c hw/intc: compile some arm related source once
Let kvm related gic file out for now, as they are compiled only on
aarch64 hosts.

Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Tested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20250801174006.2466508-3-pierrick.bouvier@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2025-09-02 17:57:05 +02:00
Pierrick Bouvier
0df57e00d2 hw/meson: enter target hw first
We can reuse target source sets for "generic" devices that are related
to a single architecture (like interrupt controllers).

Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Tested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20250801174006.2466508-2-pierrick.bouvier@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2025-09-02 17:57:05 +02:00
Pierrick Bouvier
9dbb61bb2c include/exec/target_page.h: move page-target.c to header
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20250730220519.1140447-3-pierrick.bouvier@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2025-09-02 17:57:05 +02:00
Pierrick Bouvier
38838f0837 cpu-target: build compilation unit once for user/system
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20250730220519.1140447-2-pierrick.bouvier@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2025-09-02 17:57:05 +02:00
Pierrick Bouvier
01b6fb3705 migration/vfio: compile only once
Acked-by: Fabiano Rosas <farosas@suse.de>
Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20250730220435.1139101-3-pierrick.bouvier@linaro.org>
[PMD: Cover vfio-stub.c in MAINTAINERS]
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2025-09-02 17:57:05 +02:00
Pierrick Bouvier
7ef54b7bf3 migration: compile migration/ram.c once
Acked-by: Fabiano Rosas <farosas@suse.de>
Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20250730220435.1139101-2-pierrick.bouvier@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2025-09-02 17:57:05 +02:00
Djordje Todorovic
e74416713f hw/pci: Allow explicit function numbers in pci
Since there is no pch_gbe emulation, we could be using func other
than 0 when adding new devices to specific boards.

Signed-off-by: Chao-ying Fu <cfu@mips.com>
Signed-off-by: Djordje Todorovic <djordje.todorovic@htecgroup.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20250901102850.1172983-13-djordje.todorovic@htecgroup.com>
[PMD: Compare with null character ('\0'), not '0']
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2025-09-02 17:57:05 +02:00
Philippe Mathieu-Daudé
32ee080ccd docs/devel/style: Mention alloca() family API is forbidden
Suggested-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Manos Pitsidianakis <manos.pitsidianakis@linaro.org>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20250901132626.28639-4-philmd@linaro.org>
2025-09-02 17:57:01 +02:00
Philippe Mathieu-Daudé
b8d6e05f16 target/ppc/kvm: Avoid using alloca()
kvmppc_load_htab_chunk() is used for migration, thus is not
a hot path. Use the heap instead of the stack, removing the
alloca() call.

Reported-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Manos Pitsidianakis <manos.pitsidianakis@linaro.org>
Reviewed-by: Harsh Prateek Bora <harshpb@linux.ibm.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20250901132626.28639-2-philmd@linaro.org>
2025-09-02 17:56:57 +02:00
Philippe Mathieu-Daudé
a80151c9da hw/sd/sdcard: Remove support for spec v1.10
Support for spec v1.10 was deprecated in QEMU v9.1.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Message-ID: <20240627071040.36190-4-philmd@linaro.org>
2025-09-02 17:56:37 +02:00
Richard Henderson
8415b0619f qga-pull-2025-08-29-v2
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Merge tag 'qga-pull-2025-08-29-v2' of https://github.com/kostyanf14/qemu into staging

qga-pull-2025-08-29-v2

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# gpg: Signature made Mon 01 Sep 2025 01:07:45 PM CEST
# gpg:                using RSA key C2C2C109EA43C63C1423EB84EF5D5E8161BA84E7
# gpg: Good signature from "Kostiantyn Kostiuk (Upstream PR sign) <kkostiuk@redhat.com>" [unknown]
# 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: C2C2 C109 EA43 C63C 1423  EB84 EF5D 5E81 61BA 84E7

* tag 'qga-pull-2025-08-29-v2' of https://github.com/kostyanf14/qemu:
  qga: Fix truncated output handling in guest-exec status reporting
  qga/installer: Remove QGA VSS if QGA installation failed
  qga-vss: Write hex value of error in log
  qga: ignore channel_init() fail if 'retry_path' is set
  qga: Fix channel initialization check in run_agent_once
  qga-vss: Remove unused dependencies
  qga-vss: Replace asserts with condition and report error
  qga: fix potentially not initialized nr_volumes in qga_vss_fsfreeze()
  qga: Fix ubsan warning

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-09-02 12:07:05 +02:00
Richard Henderson
0a028b5e1d Testing patches for 2025-09-01
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Merge tag 'pull-tests-2025-09-01' of https://repo.or.cz/qemu/armbru into staging

Testing patches for 2025-09-01

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# gpg: Signature made Mon 01 Sep 2025 01:52:10 PM CEST
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# gpg:                issuer "armbru@redhat.com"
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>" [unknown]
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# gpg: WARNING: The key's User ID is not certified with a trusted signature!
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* tag 'pull-tests-2025-09-01' of https://repo.or.cz/qemu/armbru:
  Revert "tests/qtest: use qos_printf instead of g_test_message"
  MAINTAINERS: Cover tests/qtest/qom-test.c
  qtest/qom-test: Don't bother to execute QMP command quit
  qtest/qom-test: Traverse entire QOM tree
  qtest/qom-test: Shallow testing of qom-list / qom-get

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-09-02 12:06:46 +02:00
Richard Henderson
a1a98f3ed8 Error reporting patches for 2025-09-01
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Merge tag 'pull-error-2025-09-01' of https://repo.or.cz/qemu/armbru into staging

Error reporting patches for 2025-09-01

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# GdbfPSJSy13T
# =/S2t
# -----END PGP SIGNATURE-----
# gpg: Signature made Mon 01 Sep 2025 01:15:19 PM CEST
# gpg:                using RSA key 354BC8B3D7EB2A6B68674E5F3870B400EB918653
# gpg:                issuer "armbru@redhat.com"
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>" [unknown]
# gpg:                 aka "Markus Armbruster <armbru@pond.sub.org>" [unknown]
# gpg: WARNING: The key's User ID is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867  4E5F 3870 B400 EB91 8653

* tag 'pull-error-2025-09-01' of https://repo.or.cz/qemu/armbru:
  vfio scsi ui: Error-check qio_channel_socket_connect_sync() the same way
  i386/kvm/vmsr_energy: Plug memory leak on failure to connect socket
  ui/keymaps: Avoid trace crash and improve error messages

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2025-09-02 12:06:21 +02:00
Markus Armbruster
c9a1ea9c52 Revert "tests/qtest: use qos_printf instead of g_test_message"
This reverts commit 30ea13e9d9.

Also rewrites qos_printf() calls added later.

"make check" prints many lines like

    stdout: 138: UNKNOWN:     # # qos_test running single test in subprocess
    stdout: 139: UNKNOWN:     # # set_protocol_features: 0x42
    stdout: 140: UNKNOWN:     # # set_owner: start of session
    stdout: 141: UNKNOWN:     # # vhost-user: un-handled message: 14
    stdout: 142: UNKNOWN:     # # vhost-user: un-handled message: 14
    stdout: 143: UNKNOWN:     # # set_vring(0)=enabled
    stdout: 144: UNKNOWN:     # # set_vring(1)=enabled
    stdout: 145: UNKNOWN:     # # set_vring(0)=enabled
    stdout: 146: UNKNOWN:     # # set_vring(1)=enabled
    stdout: 147: UNKNOWN:     # # set_vring(0)=enabled
    stdout: 148: UNKNOWN:     # # set_vring(1)=enabled
    stdout: 149: UNKNOWN:     # # set_vring(0)=enabled
    stdout: 150: UNKNOWN:     # # set_vring(1)=enabled
    stdout: 151: UNKNOWN:     # # set_vring(0)=enabled
    stdout: 152: UNKNOWN:     # # set_vring(1)=enabled
    stdout: 153: UNKNOWN:     # # set_vring_num: 0/256
    stdout: 154: UNKNOWN:     # # set_vring_addr: 0x7f9060000000/0x7f905ffff000/0x7f9060001000

Turns out this is qos-test, and the culprit is a commit meant to ease
debugging.  Revert it until a better solution is found.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20250728145747.3165315-1-armbru@redhat.com>
[Commit message clarified]
2025-09-01 13:44:28 +02:00
Markus Armbruster
f0f682675c MAINTAINERS: Cover tests/qtest/qom-test.c
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20250725135034.2280477-6-armbru@redhat.com>
2025-09-01 13:44:27 +02:00
Markus Armbruster
c4c3ee8c1d qtest/qom-test: Don't bother to execute QMP command quit
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20250725135034.2280477-5-armbru@redhat.com>
Reviewed-by: Steve Sistare <steven.sistare@oracle.com>
2025-09-01 13:44:19 +02:00
Markus Armbruster
67a392f7cf qtest/qom-test: Traverse entire QOM tree
This test traverses the QOM sub-tree rooted at /machine.  Traverse the
entire tree instead.

The x86_64 test runs some 40 additional QMP commands, and stays under
5s for me.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20250725135034.2280477-4-armbru@redhat.com>
Reviewed-by: Steve Sistare <steven.sistare@oracle.com>
2025-09-01 13:44:01 +02:00
Markus Armbruster
a60e1544b5 qtest/qom-test: Shallow testing of qom-list / qom-get
This test traverses the QOM sub-tree rooted at /machine with a
combination of qom-list and qom-get.  In my x86_64 testing, it runs
almost 12000 QMP commands in 34 seconds.  With -m slow, we test more
machines, and it takes almost 84000 commands in almost four minutes.

Since commit 3dd93992ff (tests/qtest/qom-test: unit test for
qom-list-get), the test traverses this tree a second time, with
qom-list-get.  In my x86_64 testing, this takes some 200 QMP commands
and around two seconds, and some 1100 in just under 12s with -m slow.

Traversing the entire tree is useful, because it exercise the QOM
property getters.  Traversing it twice not so much.

Make the qom-list / qom-get test shallow unless -m slow is given:
don't recurse.  Cuts the number of commands to around 600, and run
time to under 5s for me.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20250725135034.2280477-3-armbru@redhat.com>
Reviewed-by: Steve Sistare <steven.sistare@oracle.com>
2025-09-01 13:43:43 +02:00
Markus Armbruster
ec14a3de62 vfio scsi ui: Error-check qio_channel_socket_connect_sync() the same way
qio_channel_socket_connect_sync() returns 0 on success, and -1 on
failure, with errp set.  Some callers check the return value, and some
check whether errp was set.

For consistency, always check the return value, and always check it's
negative.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20250723133257.1497640-3-armbru@redhat.com>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
2025-09-01 13:11:13 +02:00
Markus Armbruster
b2e4534a2c i386/kvm/vmsr_energy: Plug memory leak on failure to connect socket
vmsr_open_socket() leaks the Error set by
qio_channel_socket_connect_sync().  Plug the leak by not creating the
Error.

Fixes: 0418f90809 (Add support for RAPL MSRs in KVM/Qemu)
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20250723133257.1497640-2-armbru@redhat.com>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
2025-09-01 13:10:55 +02:00
minglei.liu
28c5d27dd4 qga: Fix truncated output handling in guest-exec status reporting
Signed-off-by: minglei.liu <minglei.liu@smartx.com>
Fixes: a1853dca74
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Kostiantyn Kostiuk <kkostiuk@redhat.com>
Link: https://lore.kernel.org/qemu-devel/20250711021714.91258-1-minglei.liu@smartx.com
Signed-off-by: Kostiantyn Kostiuk <kkostiuk@redhat.com>
2025-09-01 14:02:18 +03:00
Kostiantyn Kostiuk
85ff0e956b qga/installer: Remove QGA VSS if QGA installation failed
When QGA Installer failed to install QGA service but install
QGA VSS provider, provider should be removed before installer
exits. Otherwise QGA VSS will has broken infomation and
prevent QGA installation in next run.

Reviewed-by: Yan Vugenfirer <yvugenfi@redhat.com>
Link: https://lore.kernel.org/qemu-devel/20250825143155.160913-1-kkostiuk@redhat.com
Signed-off-by: Kostiantyn Kostiuk <kkostiuk@redhat.com>
2025-09-01 14:02:18 +03:00
Kostiantyn Kostiuk
edf3780a7d qga-vss: Write hex value of error in log
QGA-VSS writes error using error_setg_win32_internal,
which call g_win32_error_message.

g_win32_error_message - translate a Win32 error code
(as returned by GetLastError()) into the corresponding message.

In the same time, we call error_setg_win32_internal with
error codes from different Windows componets like VSS or
Performance monitor that provides different codes and
can't be converted with g_win32_error_message. In this
case, the empty suffix will be returned so error will be
masked.

This commit directly add hex value of error code.

Reproduce:
 - Run QGA command: {"execute": "guest-fsfreeze-freeze-list", "arguments": {"mountpoints": ["D:"]}}

QGA error example:
 - before changes:
  {"error": {"class": "GenericError", "desc": "failed to add D: to snapshot set: "}}
 - after changes:
  {"error": {"class": "GenericError", "desc": "failed to add D: to snapshot set: Windows error 0x8004230e: "}}

Reviewed-by: Yan Vugenfirer <yvugenfi@redhat.com>
Link: https://lore.kernel.org/qemu-devel/20250825135311.138330-1-kkostiuk@redhat.com
Signed-off-by: Kostiantyn Kostiuk <kkostiuk@redhat.com>
2025-09-01 14:02:18 +03:00
Kostiantyn Kostiuk
b44c8a6d83 qga: ignore channel_init() fail if 'retry_path' is set
On Windows, we run QGA with `-d --retry-path` options by default,
and expect that QGA will start even without the vioserial driver
and will wait for communication forever.

Reviewed-by: Yan Vugenfirer <yvugenfi@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Link: https://lore.kernel.org/qemu-devel/20250825140549.146617-3-kkostiuk@redhat.com
Signed-off-by: Kostiantyn Kostiuk <kkostiuk@redhat.com>
2025-09-01 14:02:18 +03:00
Kostiantyn Kostiuk
3b0ba59762 qga: Fix channel initialization check in run_agent_once
Reviewed-by: Yan Vugenfirer <yvugenfi@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Link: https://lore.kernel.org/qemu-devel/20250825140549.146617-2-kkostiuk@redhat.com
Signed-off-by: Kostiantyn Kostiuk <kkostiuk@redhat.com>
2025-09-01 14:02:18 +03:00
Kostiantyn Kostiuk
ed42682a66 qga-vss: Remove unused dependencies
Reviewed-by: Yan Vugenfirer <yvugenfi@redhat.com>
Link: https://lore.kernel.org/qemu-devel/20250825145241.170717-3-kkostiuk@redhat.com
Signed-off-by: Kostiantyn Kostiuk <kkostiuk@redhat.com>
2025-09-01 14:02:18 +03:00
Kostiantyn Kostiuk
9646155bb0 qga-vss: Replace asserts with condition and report error
Reviewed-by: Yan Vugenfirer <yvugenfi@redhat.com>
Link: https://lore.kernel.org/qemu-devel/20250825145241.170717-2-kkostiuk@redhat.com
Signed-off-by: Kostiantyn Kostiuk <kkostiuk@redhat.com>
2025-09-01 14:02:18 +03:00
Denis V. Lunev
42bdb911c2 qga: fix potentially not initialized nr_volumes in qga_vss_fsfreeze()
In this function we could have this variable not initialized. If this
could be acceptable on error, the variable could be left not initialized
f.e. as follows:

void requester_freeze(int *num_vols, void *mountpoints, ErrorSet *errset)
{
    ...
    if (mountpoints) {
        ...
        if (num_mount_points == 0) {
            /* If there is no valid mount points, just exit. */
            goto out;
        }
    }
    ...
    if (!mountpoints) {
        ...
        if (num_fixed_drives == 0) {
            goto out; /* If there is no fixed drive, just exit. */
        }
    }
    ...
}

Stay on safe side, initialize the variable at the beginning.

Signed-off-by: Denis V. Lunev <den@openvz.org>
CC: Kostiantyn Kostiuk <kkostiuk@redhat.com>
CC: Michael Roth <michael.roth@amd.com>
Reviewed-by: Kostiantyn Kostiuk <kkostiuk@redhat.com>
Link: https://lore.kernel.org/qemu-devel/20250807133221.1135453-1-den@openvz.org
Signed-off-by: Kostiantyn Kostiuk <kkostiuk@redhat.com>
2025-09-01 14:02:18 +03:00
Thomas Huth
83f6dceb8f qga: Fix ubsan warning
When compiling QEMU with --enable-ubsan there is a undefined behavior
warning when running "make check":

 .../qga/commands-linux.c:452:15: runtime error: applying non-zero offset 5 to null pointer
 #0 0x55ea7b89450c in build_guest_fsinfo_for_pci_dev ..../qga/commands-linux.c:452:15

Fix it by avoiding the additional pointer variable here and use an
"offset" integer variable instead.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Kostiantyn Kostiuk <kkostiuk@redhat.com>
Link: https://lore.kernel.org/qemu-devel/20250730072709.27077-1-thuth@redhat.com
Signed-off-by: Kostiantyn Kostiuk <kkostiuk@redhat.com>
2025-09-01 14:02:18 +03:00