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a/kernel-firmware-20240115_9b6d0b0-noarch-1.txz: Upgraded. a/kernel-generic-6.6.12-x86_64-1.txz: Upgraded. a/kernel-huge-6.6.12-x86_64-1.txz: Upgraded. a/kernel-modules-6.6.12-x86_64-1.txz: Upgraded. d/kernel-headers-6.6.12-x86-1.txz: Upgraded. k/kernel-source-6.6.12-noarch-1.txz: Upgraded. l/libxml2-2.12.4-x86_64-1.txz: Upgraded. l/pulseaudio-17.0-x86_64-2.txz: Rebuilt. Patch regressions: [PATCH] alsa-ucm: Check UCM verb before working with device status. [PATCH] alsa-ucm: Replace port device UCM context assertion with an error. l/readline-8.2.010-x86_64-1.txz: Upgraded. x/libinput-1.25.0-x86_64-1.txz: Upgraded. isolinux/initrd.img: Rebuilt. kernels/*: Upgraded. usb-and-pxe-installers/usbboot.img: Rebuilt.
95 lines
4.3 KiB
Diff
95 lines
4.3 KiB
Diff
From f5cacd94abcc47003bd88ad7ca1450de649ffb15 Mon Sep 17 00:00:00 2001
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From: Alper Nebi Yasak <alpernebiyasak@gmail.com>
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Date: Thu, 30 Nov 2023 20:17:22 +0300
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Subject: [PATCH] alsa-ucm: Check UCM verb before working with device status
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Some versions of the ALSA libraries run into a segmentation fault when
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we query a UCM device/modifier status without first setting a UCM verb.
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It's not a reasonable thing to do anyway, so check for this case and
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return an error. Also do the check in other helpers.
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Signed-off-by: Alper Nebi Yasak <alpernebiyasak@gmail.com>
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Part-of: <https://gitlab.freedesktop.org/pulseaudio/pulseaudio/-/merge_requests/801>
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---
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src/modules/alsa/alsa-ucm.c | 30 ++++++++++++++++++++++++++++++
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1 file changed, 30 insertions(+)
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diff --git a/src/modules/alsa/alsa-ucm.c b/src/modules/alsa/alsa-ucm.c
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index bb9438f79..7f5136249 100644
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--- a/src/modules/alsa/alsa-ucm.c
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+++ b/src/modules/alsa/alsa-ucm.c
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@@ -624,6 +624,11 @@ static long ucm_device_status(pa_alsa_ucm_config *ucm, pa_alsa_ucm_device *dev)
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char *devstatus;
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long status = 0;
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+ if (!ucm->active_verb) {
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+ pa_log_error("Failed to get status for UCM device %s: no UCM verb set", dev_name);
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+ return -1;
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+ }
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+
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devstatus = pa_sprintf_malloc("_devstatus/%s", dev_name);
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if (snd_use_case_geti(ucm->ucm_mgr, devstatus, &status) < 0) {
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pa_log_debug("Failed to get status for UCM device %s", dev_name);
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@@ -637,6 +642,11 @@ static long ucm_device_status(pa_alsa_ucm_config *ucm, pa_alsa_ucm_device *dev)
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static int ucm_device_disable(pa_alsa_ucm_config *ucm, pa_alsa_ucm_device *dev) {
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const char *dev_name = pa_proplist_gets(dev->proplist, PA_ALSA_PROP_UCM_NAME);
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+ if (!ucm->active_verb) {
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+ pa_log_error("Failed to disable UCM device %s: no UCM verb set", dev_name);
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+ return -1;
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+ }
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+
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/* If any of dev's conflicting devices is enabled, trying to disable
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* dev gives an error despite the fact that it's already disabled.
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* Check that dev is enabled to avoid this error. */
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@@ -657,6 +667,11 @@ static int ucm_device_disable(pa_alsa_ucm_config *ucm, pa_alsa_ucm_device *dev)
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static int ucm_device_enable(pa_alsa_ucm_config *ucm, pa_alsa_ucm_device *dev) {
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const char *dev_name = pa_proplist_gets(dev->proplist, PA_ALSA_PROP_UCM_NAME);
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+ if (!ucm->active_verb) {
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+ pa_log_error("Failed to enable UCM device %s: no UCM verb set", dev_name);
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+ return -1;
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+ }
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+
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/* We don't need to enable devices that are already enabled */
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if (ucm_device_status(ucm, dev) > 0) {
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pa_log_debug("UCM device %s is already enabled", dev_name);
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@@ -707,6 +722,11 @@ static long ucm_modifier_status(pa_alsa_ucm_config *ucm, pa_alsa_ucm_modifier *m
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char *modstatus;
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long status = 0;
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+ if (!ucm->active_verb) {
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+ pa_log_error("Failed to get status for UCM modifier %s: no UCM verb set", mod_name);
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+ return -1;
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+ }
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+
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modstatus = pa_sprintf_malloc("_modstatus/%s", mod_name);
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if (snd_use_case_geti(ucm->ucm_mgr, modstatus, &status) < 0) {
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pa_log_debug("Failed to get status for UCM modifier %s", mod_name);
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@@ -720,6 +740,11 @@ static long ucm_modifier_status(pa_alsa_ucm_config *ucm, pa_alsa_ucm_modifier *m
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static int ucm_modifier_disable(pa_alsa_ucm_config *ucm, pa_alsa_ucm_modifier *mod) {
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const char *mod_name = pa_proplist_gets(mod->proplist, PA_ALSA_PROP_UCM_NAME);
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+ if (!ucm->active_verb) {
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+ pa_log_error("Failed to disable UCM modifier %s: no UCM verb set", mod_name);
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+ return -1;
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+ }
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+
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/* We don't need to disable modifiers that are already disabled */
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if (ucm_modifier_status(ucm, mod) == 0) {
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pa_log_debug("UCM modifier %s is already disabled", mod_name);
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@@ -738,6 +763,11 @@ static int ucm_modifier_disable(pa_alsa_ucm_config *ucm, pa_alsa_ucm_modifier *m
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static int ucm_modifier_enable(pa_alsa_ucm_config *ucm, pa_alsa_ucm_modifier *mod) {
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const char *mod_name = pa_proplist_gets(mod->proplist, PA_ALSA_PROP_UCM_NAME);
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+ if (!ucm->active_verb) {
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+ pa_log_error("Failed to disable UCM modifier %s: no UCM verb set", mod_name);
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+ return -1;
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+ }
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+
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/* We don't need to enable modifiers that are already enabled */
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if (ucm_modifier_status(ucm, mod) > 0) {
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pa_log_debug("UCM modifier %s is already enabled", mod_name);
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--
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GitLab
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