[Freeswitch-users] Segfault Malloc

Ximo Peral ximop_22 at hotmail.com
Tue Aug 30 10:45:15 MSD 2016

FreeSWITCH sporadically crashes.

The crash began in FS 1.6.5, update to 1.6.9 and 1.7.0 and same problem.

In both Backtrace I found this:

#0 _int_malloc (av=av at entry=0x7f52b8000020, bytes=bytes at entry=1024) at malloc.c:3610
3610 unlink(av, victim, bck, fwd);

#0 0x00007f42243df5f7 in __GI_raise (sig=sig at entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
#1 0x00007f42243e0ce8 in __GI_abort () at abort.c:90
#2 0x00007f422441f327 in __libc_message (do_abort=do_abort at entry=2, fmt=fmt at entry=0x7f4224529488 "*** Error in `%s': %s: 0x%s ***\n") at ../sysdeps/unix/sysv/linux/libc_fatal.c:196
#3 0x00007f4224425194 in malloc_printerr (action=<optimized out>, str=0x7f4224526b57 "corrupted double-linked list", ptr=<optimized out>, ar_ptr=<optimized out>) at malloc.c:5022
#4 0x00007f4224428991 in _int_malloc (av=av at entry=0x7f3fa4000020, bytes=bytes at entry=1024) at malloc.c:3707

Is a software bug or ram corruption?
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