This bug report is now very old, but is this bug still present? Here is why I ask.
Running valgrind on a C program - a program that I adapted from someone else - showed a lot of possible leaks. But I learnt from this the present bug report to do 'snd_config_update_free_global()'. Having done that, I see - only - the following. ================================================================ $ valgrind --leak-check=yes --show-reachable=no ./volume_exec ==683808== Memcheck, a memory error detector ==683808== Copyright (C) 2002-2017, and GNU GPL'd, by Julian Seward et al. ==683808== Using Valgrind-3.15.0 and LibVEX; rerun with -h for copyright info ==683808== Command: ./volume_exec ==683808== ==683808== Conditional jump or move depends on uninitialised value(s) ==683808== at 0x51A1565: pa_shm_cleanup (in /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-13.99.so) ==683808== by 0x51A17A1: pa_shm_create_rw (in /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-13.99.so) ==683808== by 0x51914B6: pa_mempool_new (in /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-13.99.so) ==683808== by 0x51169B1: pa_context_new_with_proplist (in /usr/lib/x86_64-linux-gnu/libpulse.so.0.21.2) ==683808== by 0x484B2B6: conf_pulse_hook_load_if_running (in /usr/lib/x86_64-linux-gnu/alsa-lib/libasound_module_conf_pulse.so) ==683808== by 0x48A50DD: ??? (in /usr/lib/x86_64-linux-gnu/libasound.so.2.0.0) ==683808== by 0x48A5544: ??? (in /usr/lib/x86_64-linux-gnu/libasound.so.2.0.0) ==683808== by 0x48A5F21: snd_config_searcha_hooks (in /usr/lib/x86_64-linux-gnu/libasound.so.2.0.0) ==683808== by 0x48A6010: snd_config_searchva_hooks (in /usr/lib/x86_64-linux-gnu/libasound.so.2.0.0) ==683808== by 0x48A611A: ??? (in /usr/lib/x86_64-linux-gnu/libasound.so.2.0.0) ==683808== by 0x48A48F5: snd_config_search_definition (in /usr/lib/x86_64-linux-gnu/libasound.so.2.0.0) ==683808== by 0x48AF17D: ??? (in /usr/lib/x86_64-linux-gnu/libasound.so.2.0.0) ==683808== x==683808== ==683808== HEAP SUMMARY: ==683808== in use at exit: 78,125 bytes in 194 blocks ==683808== total heap usage: 6,002 allocs, 5,808 frees, 743,291 bytes allocated ==683808== ==683808== LEAK SUMMARY: ==683808== definitely lost: 0 bytes in 0 blocks ==683808== indirectly lost: 0 bytes in 0 blocks ==683808== possibly lost: 0 bytes in 0 blocks ==683808== still reachable: 78,125 bytes in 194 blocks ==683808== suppressed: 0 bytes in 0 blocks ==683808== Reachable blocks (those to which a pointer was found) are not shown. ==683808== To see them, rerun with: --leak-check=full --show-leak-kinds=all ==683808== ==683808== Use --track-origins=yes to see where uninitialised values come from ==683808== For lists of detected and suppressed errors, rerun with: -s ==683808== ERROR SUMMARY: 2 errors from 1 contexts (suppressed: 0 from 0) ================================================================ Does that output indicate a problem? I libasound2-dev:amd64 (1.2.2-2.1ubuntu2.5) (on Linux Mint 20.3). -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to alsa-lib in Ubuntu. https://bugs.launchpad.net/bugs/1017375 Title: memory leaks in libasound2 Status in alsa-lib package in Ubuntu: Confirmed Bug description: libasound has many memory leaks. I have provided some sample code and the valgrind output... sample code attached: alsa-async.c valgrind output: valgrind.txt Kubuntu: 12.04 AMD64 Kernel: Linux 3.2.0-25-generic #40-Ubuntu SMP x86_64 x86_64 x86_64 GNU/Linux lspci output: 00:00.0 Host bridge: Intel Corporation 2nd Generation Core Processor Family DRAM Controller (rev 09) 00:01.0 PCI bridge: Intel Corporation Xeon E3-1200/2nd Generation Core Processor Family PCI Express Root Port (rev 09) 00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller (rev 09) 00:16.0 Communication controller: Intel Corporation 6 Series/C200 Series Chipset Family MEI Controller #1 (rev 04) 00:1a.0 USB controller: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #2 (rev 05) 00:1b.0 Audio device: Intel Corporation 6 Series/C200 Series Chipset Family High Definition Audio Controller (rev 05) 00:1c.0 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 1 (rev b5) 00:1c.1 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 2 (rev b5) 00:1c.3 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 4 (rev b5) 00:1c.4 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 5 (rev b5) 00:1c.5 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 6 (rev b5) 00:1d.0 USB controller: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #1 (rev 05) 00:1f.0 ISA bridge: Intel Corporation HM67 Express Chipset Family LPC Controller (rev 05) 00:1f.2 SATA controller: Intel Corporation 6 Series/C200 Series Chipset Family 6 port SATA AHCI Controller (rev 05) 00:1f.3 SMBus: Intel Corporation 6 Series/C200 Series Chipset Family SMBus Controller (rev 05) 01:00.0 VGA compatible controller: NVIDIA Corporation GF108 [GeForce GT 540M] (rev ff) 03:00.0 Network controller: Intel Corporation Centrino Advanced-N 6230 (rev 34) 04:00.0 USB controller: NEC Corporation uPD720200 USB 3.0 Host Controller (rev 04) 06:00.0 Ethernet controller: Atheros Communications Inc. AR8151 v2.0 Gigabit Ethernet (rev c0) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-lib/+bug/1017375/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
