[asterisk-bugs] [JIRA] (ASTERISK-28475) Segmentation fault

Tue Jul 9 11:17:47 CDT 2019

    [ https://issues.asterisk.org/jira/browse/ASTERISK-28475?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=247553#comment-247553 ] 

Asterisk Team commented on ASTERISK-28475:
------------------------------------------

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> Segmentation fault
> ------------------
>
>                 Key: ASTERISK-28475
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-28475
>             Project: Asterisk
>          Issue Type: Information Request
>      Security Level: None
>          Components: Addons/General
>    Affects Versions: 13.24.1
>            Reporter: marcin Groszek
>
> segmentation fault during load
> I would like to submit core dump to determine the issue.
> These are last 2 Threads:
> [New LWP 2932]
> [Thread debugging using libthread_db enabled]
> Using host libthread_db library "/lib64/libthread_db.so.1".
> Core was generated by `/usr/sbin/asterisk -vvvvvvvvvvvvvvvvvvvvvgcT'.
> Program terminated with signal SIGSEGV, Segmentation fault.
> #0  0x000000000052917a in ast_frame_adjust_volume ()
> [Current thread is 1 (Thread 0x7f7c20734700 (LWP 26757))]
> #0  0x000000000052917a in ast_frame_adjust_volume ()
> No symbol table info available.
> #1  0x00007f7c3bbcf666 in conf_run () from /usr/lib64/asterisk/modules/app_meetme.so
> No symbol table info available.
> #2  0x00007f7c3bbd3363 in conf_exec () from /usr/lib64/asterisk/modules/app_meetme.so
> No symbol table info available.
> #3  0x000000000058d479 in pbx_exec ()
> No symbol table info available.
> #4  0x0000000000581e7c in pbx_extension_helper.constprop ()
> No symbol table info available.
> #5  0x0000000000583e8a in __ast_pbx_run ()
> No symbol table info available.
> #6  0x0000000000586d1d in ast_pbx_run ()
> No symbol table info available.
> #7  0x000000000047b8b5 in ast_bridge_run_after_goto ()
> No symbol table info available.
> #8  0x00000000004734ad in bridge_channel_ind_thread ()
> No symbol table info available.
> #9  0x00000000005fa47a in dummy_start ()
> No symbol table info available.
> #10 0x00007f7cec2a0724 in start_thread () from /lib64/libpthread.so.0
> No symbol table info available.
> #11 0x00007f7ceb80ae8d in clone () from /lib64/libc.so.6
> No symbol table info available.
> Thread 188 (Thread 0x7f7c226c3700 (LWP 2932)):
> #0  0x00007f7cec2a50ff in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
> #1  0x00007f7c43b54532 in iax2_process_thread () from /usr/lib64/asterisk/modules/chan_iax2.so
> #2  0x00000000005fa47a in dummy_start ()
> #3  0x00007f7cec2a0724 in start_thread () from /lib64/libpthread.so.0
> #4  0x00007f7ceb80ae8d in clone () from /lib64/libc.so.6
> I did not find any memory issues
> this is a dmesg related dump:
> [ 3249.645571] ------------[ cut here ]------------
> [ 3249.645581] WARNING: CPU: 4 PID: 9773 at ../kernel/sched/core.c:8172 __might_sleep+0x76/0x80()
> [ 3249.645585] do not call blocking ops when !TASK_RUNNING; state=1 set at [<ffffffff810cb7cb>] prepare_to_wait+0x2b/0x80
> [ 3249.645632] Modules linked in: ip_set_hash_net(O) ip_set_hash_ip(O) ip_set(O) nfnetlink dahdi(O) crc_ccitt af_packet iscsi_ibft iscsi_boot_sysfs xt_tcpudp msr iptable_filter ip_tables x_tables intel_powerclamp coretemp kvm_intel kvm irqbypass crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel drbg iTCO_wdt ansi_cprng ipmi_ssif iTCO_vendor_support gpio_ich lpc_ich aesni_intel aes_x86_64 lrw gf128mul igb ptp pps_core pcspkr mfd_core ipmi_si ipmi_devintf wmi fjes joydev bnx2 acpi_cpufreq dcdbas dca glue_helper i7core_edac button ablk_helper ipmi_msghandler edac_core cryptd shpchp processor ext4 crc16 jbd2 mbcache sr_mod cdrom uas hid_generic ata_generic usb_storage usbhid i2c_algo_bit drm_kms_helper(O) syscopyarea sysfillrect uhci_hcd ehci_pci sysimgblt fb_sys_fops ehci_hcd ttm(O) ata_piix
> [ 3249.645641]  sd_mod usbcore libata drm(O) serio_raw usb_common megaraid_sas sg scsi_mod autofs4
> [ 3249.645644] CPU: 4 PID: 9773 Comm: asterisk Tainted: G          IO     4.4.179-99-default #1
> [ 3249.645645] Hardware name: Dell Inc. PowerEdge R610/0F0XJ6, BIOS 6.4.0 07/23/2013
> [ 3249.645647]  0000000000000000 ffffffff81349e57 ffff880e11757cc8 ffffffff81a27b6e
> [ 3249.645649]  ffffffff810863a1 ffffffffa047a2d0 ffff880e11757d18 0000000000001743
> [ 3249.645651]  0000000000000000 0000000000000002 ffffffff8108641c ffffffff81a18070
> [ 3249.645651] Call Trace:
> [ 3249.645667]  [<ffffffff8101b0a9>] dump_trace+0x59/0x350
> [ 3249.645671]  [<ffffffff8101b49a>] show_stack_log_lvl+0xfa/0x180
> [ 3249.645674]  [<ffffffff8101c291>] show_stack+0x21/0x40
> [ 3249.645680]  [<ffffffff81349e57>] dump_stack+0x5c/0x85
> [ 3249.645687]  [<ffffffff810863a1>] warn_slowpath_common+0x81/0xb0
> [ 3249.645691]  [<ffffffff8108641c>] warn_slowpath_fmt+0x4c/0x50
> [ 3249.645694]  [<ffffffff810abfa6>] __might_sleep+0x76/0x80
> [ 3249.645702]  [<ffffffff811cb5a4>] __might_fault+0x34/0x40
> [ 3249.645712]  [<ffffffffa047204b>] dahdi_chanandpseudo_ioctl+0x3db/0x1790 [dahdi]
> [ 3249.645729]  [<ffffffffa047455a>] dahdi_unlocked_ioctl+0x31a/0x14e0 [dahdi]
> [ 3249.645735]  [<ffffffff8122eef7>] do_vfs_ioctl+0x337/0x5f0
> [ 3249.645748]  [<ffffffff8122f224>] SyS_ioctl+0x74/0x80
> [ 3249.645755]  [<ffffffff8164bb25>] entry_SYSCALL_64_fastpath+0x24/0xed
> [ 3249.648761] DWARF2 unwinder stuck at entry_SYSCALL_64_fastpath+0x24/0xed
> [ 3249.648762] Leftover inexact backtrace:
> [ 3249.648779] ---[ end trace 4f0560146804eb1e ]---
> [ 5165.553988] perf interrupt took too long (2508 > 2500), lowering kernel.perf_event_max_sample_rate to 50000
> [ 9074.460721] asterisk[26757]: segfault at 0 ip 000000000052917a sp 00007f7c2072fe90 error 4 in asterisk[400000+2b2000]
> but the kernel dump happened much earlier then asterisk segfault. 
> dahdi: Version: 2.11.1

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