From mboxrd@z Thu Jan 1 00:00:00 1970 From: Valentin Corfu Subject: Segmentation Fault in snd_pcm_rate_hw_free() Date: Tue, 04 Aug 2015 17:08:30 +0300 Message-ID: <55C0C75E.8090501@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; Format="flowed" Content-Transfer-Encoding: 7bit Return-path: Received: from mail-wi0-f171.google.com (mail-wi0-f171.google.com [209.85.212.171]) by alsa0.perex.cz (Postfix) with ESMTP id 8F3AC265823 for ; Tue, 4 Aug 2015 16:10:02 +0200 (CEST) Received: by wicgj17 with SMTP id gj17so152286540wic.1 for ; Tue, 04 Aug 2015 07:10:02 -0700 (PDT) Received: from [128.224.168.121] ([89.121.200.106]) by smtp.googlemail.com with ESMTPSA id kb1sm2059799wjc.24.2015.08.04.07.10.00 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 04 Aug 2015 07:10:01 -0700 (PDT) List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org To: alsa-devel@alsa-project.org List-Id: alsa-devel@alsa-project.org Hello ALSA developers, I observed one segmentation fault in snd_pcm_rate_hw_free() function, with the following BT: (gdb) up #1 0xb7554cc1 in raise (sig=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64 64 return INLINE_SYSCALL (tgkill, 3, pid, selftid, sig); (gdb) #2 0xb75580ee in abort () at abort.c:92 92 raise (SIGABRT); (gdb) #3 0xb758a7dd in __libc_message (do_abort=2, fmt=0xb766053c "*** glibc detected *** %s: %s: 0x%s ***\n") at ../sysdeps/unix/sysv/linux/libc_fatal.c:189 189 abort (); (gdb) #4 0xb7594a71 in malloc_printerr (action=, str=, ptr=0x969ae98) at malloc.c:6283 6283 __libc_message (action & 2, (gdb) #5 0xb759636b in _int_free (av=, p=0x969ae90) at malloc.c:4795 4795 malloc_printerr (check_action, errstr, chunk2mem(p)); (gdb) #6 0xb75994bd in __libc_free (mem=0x969ae98) at malloc.c:3738 3738 _int_free(ar_ptr, p); (gdb) #7 0xb76f3a81 in snd_pcm_rate_hw_free (pcm=0x9685d78) at pcm_rate.c:341 341 free(rate->pareas[0].addr); (gdb) #8 0xb76d045b in snd_pcm_hw_free (pcm=0x9685d78) at pcm.c:858 858 err = pcm->ops->hw_free(pcm->op_arg); (gdb) #9 0xb76f826e in snd_pcm_plug_hw_free (pcm=0x96856b0) at pcm_plug.c:1046 1046 int err = snd_pcm_hw_free(slave); (gdb) #10 0xb76d045b in snd_pcm_hw_free (pcm=0x96856b0) at pcm.c:858 858 err = pcm->ops->hw_free(pcm->op_arg); (gdb) #11 0x080492ad in main () Could you please give me some hints how to solve this issue? I can provide you more info or the test application, if needed. I can see the issue every time, and I also checked with latest version of alsa-lib but I got the same results. Thank you, Valentin Corfu