[asterisk-bugs] [Asterisk 0015195]: double free or corruption (!prev) in moh_files_generator

[Asterisk Bug Tracker]

A NOTE has been added to this issue. 
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https://issues.asterisk.org/view.php?id=15195 
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Reported By:                amorsen
Assigned To:                
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Project:                    Asterisk
Issue ID:                   15195
Category:                   Resources/res_musiconhold
Reproducibility:            have not tried
Severity:                   block
Priority:                   normal
Status:                     acknowledged
Target Version:             1.4.27
Asterisk Version:           1.6.0.9 
Regression:                 No 
SVN Branch (only for SVN checkouts, not tarball releases): N/A 
SVN Revision (number only!):  
Request Review:              
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Date Submitted:             2009-05-26 08:46 CDT
Last Modified:              2009-06-18 10:26 CDT
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Summary:                    double free or corruption (!prev) in
moh_files_generator
Description: 
https://issues.asterisk.org/view.php?id=0  0x00007f049bf54f05 in raise
(sig=<value optimized out>) at
../nptl/sysdeps/unix/sysv/linux/raise.c:64
https://issues.asterisk.org/view.php?id=1  0x00007f049bf56a73 in abort () at
abort.c:88
https://issues.asterisk.org/view.php?id=2  0x00007f049bf94438 in __libc_message
(do_abort=2, fmt=0x7f049c05e428
"*** glibc detected *** %s: %s: 0x%s ***\n") at
../sysdeps/unix/sysv/linux/libc_fatal.c:170
https://issues.asterisk.org/view.php?id=3  0x00007f049bf99ec8 in malloc_printerr
(action=2, str=0x7f049c05e530
"double free or corruption (!prev)", ptr=<value optimized out>) at
malloc.c:5994
https://issues.asterisk.org/view.php?id=4  0x00007f049bf9c486 in __libc_free
(mem=0x7f049c054880) at
malloc.c:3625
https://issues.asterisk.org/view.php?id=5  0x00007f049bf89f21 in _IO_new_fclose
(fp=0x8dce60) at iofclose.c:88
https://issues.asterisk.org/view.php?id=6  0x000000000046aa9d in
filestream_destructor (arg=0x8c6d18) at
file.c:321
https://issues.asterisk.org/view.php?id=7  0x000000000042f9aa in ao2_ref
(user_data=0x8c6d18, delta=5926) at
astobj2.c:227
https://issues.asterisk.org/view.php?id=8  0x0000000000470e05 in ast_frame_free
(fr=0x1239, cache=1) at
frame.c:349
https://issues.asterisk.org/view.php?id=9  0x00007f0498a458ab in
moh_files_generator (chan=0x97a7f0, data=<value
optimized out>, len=<value optimized out>, samples=<value optimized out>)
at res_musiconhold.c:302
https://issues.asterisk.org/view.php?id=10 0x000000000043de6e in
ast_read_generator_actions (chan=0x97a7f0,
f=0x8b9ca0) at channel.c:2448
https://issues.asterisk.org/view.php?id=11 0x0000000000441fe8 in __ast_read
(chan=0x97a7f0, dropaudio=0) at
channel.c:2900
https://issues.asterisk.org/view.php?id=12 0x00000000004446f0 in
ast_generic_bridge () at channel.c:4482
https://issues.asterisk.org/view.php?id=13 ast_channel_bridge (c0=0x97a7f0,
c1=0x8be2a0, config=0x7f0482ae3dd0,
fo=0x7f0482ae31b0, rc=0x7f0482ae31a8) at channel.c:4850
https://issues.asterisk.org/view.php?id=14 0x0000000000466894 in ast_bridge_call
(chan=0x97a7f0, peer=0x8be2a0,
config=0x7f0482ae3dd0) at features.c:2278
https://issues.asterisk.org/view.php?id=15 0x00007f04857065a4 in dial_exec_full
(chan=0x97a7f0, data=<value
optimized out>, peerflags=0x7f0482ae4860, continue_exec=0x0) at
app_dial.c:1911
https://issues.asterisk.org/view.php?id=16 0x00007f0485708986 in dial_exec
(chan=0x1239, data=0x1726) at
app_dial.c:1967
https://issues.asterisk.org/view.php?id=17 0x000000000049255f in pbx_exec
(c=0x97a7f0, app=0x7f04940ce7e0,
data=0x7f0482ae6d60) at pbx.c:942
https://issues.asterisk.org/view.php?id=18 0x0000000000496876 in
pbx_extension_helper (c=0x97a7f0, con=<value
optimized out>, context=0x97aa48 "DialLine", exten=0x97aa98
"792-0013d18009f0-5", priority=19, label=0x0, 
    callerid=0x7f04740b2fc0 "20126438", action=E_SPAWN,
found=0x7f0482ae8ecc, combined_find_spawn=1) at pbx.c:3111
https://issues.asterisk.org/view.php?id=19 0x0000000000496d30 in
ast_spawn_extension (c=0x1239, context=<value
optimized out>, exten=<value optimized out>, priority=<value optimized
out>, callerid=<value optimized out>, 
    found=<value optimized out>, combined_find_spawn=1) at pbx.c:3614
https://issues.asterisk.org/view.php?id=20 0x000000000049771f in __ast_pbx_run
(c=0x97a7f0, args=0x0) at
pbx.c:3701
https://issues.asterisk.org/view.php?id=21 0x00000000004987db in pbx_thread
(data=0x1239) at pbx.c:3974
https://issues.asterisk.org/view.php?id=22 0x00000000004ce37e in dummy_start
(data=<value optimized out>) at
utils.c:861
https://issues.asterisk.org/view.php?id=23 0x00007f049b9053da in start_thread
(arg=<value optimized out>) at
pthread_create.c:297
https://issues.asterisk.org/view.php?id=24 0x00007f049c0082bd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112

======================================================================
Relationships       ID      Summary
----------------------------------------------------------------------
duplicate of        0015123 out of bounds crash and core dump
duplicate of        0015109 Abort by memory allocator, possibly in ...
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---------------------------------------------------------------------- 
 (0106639) russell (administrator) - 2009-06-18 10:26
 https://issues.asterisk.org/view.php?id=15195#c106639 
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Please give that patch a try and let me know if it makes the crashes go
away. 

Issue History 
Date Modified    Username       Field                    Change               
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2009-06-18 10:26 russell        Note Added: 0106639                          
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