gdb firefox57

(gdb) r
Starting program: /usr/bin/firefox 
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[New Thread 0x7fffe0e0e700 (LWP 911)]
[Thread 0x7fffe0e0e700 (LWP 911) exited]
[New Thread 0x7fffe0e0e700 (LWP 915)]
[New Thread 0x7fffdaf7b700 (LWP 916)]
[New Thread 0x7fffda361700 (LWP 917)]
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[New Thread 0x7fffd40fb700 (LWP 925)]
[New Thread 0x7fffd3efa700 (LWP 926)]
[New Thread 0x7fffd3cf9700 (LWP 927)]
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[New Thread 0x7ffff6c45700 (LWP 932)]
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[New Thread 0x7fffcb3fc700 (LWP 943)]
[New Thread 0x7fffcabfb700 (LWP 944)]
[Thread 0x7fffd34ff700 (LWP 929) exited]
[Thread 0x7fffcabfb700 (LWP 944) exited]
[New Thread 0x7fffcabfb700 (LWP 945)]
[New Thread 0x7fffc9fff700 (LWP 946)]
[New Thread 0x7fffd34ff700 (LWP 947)]
[Thread 0x7fffcbbfd700 (LWP 942) exited]
[Thread 0x7fffcb3fc700 (LWP 943) exited]
[New Thread 0x7fffcb3fc700 (LWP 948)]
[New Thread 0x7fffc92ff700 (LWP 949)]
[Thread 0x7fffd05ff700 (LWP 934) exited]
[Thread 0x7fffd34ff700 (LWP 947) exited]
[New Thread 0x7fffd34ff700 (LWP 950)]
[New Thread 0x7fffd05ff700 (LWP 952)]
[New Thread 0x7fffcbbfd700 (LWP 953)]
[New Thread 0x7fffc7aff700 (LWP 954)]
[New Thread 0x7fffc59ff700 (LWP 977)]
[New Thread 0x7fffc51fe700 (LWP 978)]
[New Thread 0x7fffc4766700 (LWP 979)]
[New Thread 0x7fffc3f65700 (LWP 980)]
[New Thread 0x7fffc3764700 (LWP 981)]
[New Thread 0x7fffc2f63700 (LWP 982)]
[New Thread 0x7fffc2762700 (LWP 983)]
[New Thread 0x7fffc1f61700 (LWP 984)]
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[New Thread 0x7fffbefff700 (LWP 989)]
[New Thread 0x7fffbe7fe700 (LWP 990)]
[Thread 0x7fffbe7fe700 (LWP 990) exited]
[Thread 0x7fffbefff700 (LWP 989) exited]
[New Thread 0x7fffbefff700 (LWP 992)]
[Parent 906, Gecko_IOThread] WARNING: pipe error (50): Connection reset by peer: file /builddir/firefox-57.0/ipc/chromium/src/chrome/common/ipc_channel_posix.cc, line 353
[Parent 906, Gecko_IOThread] WARNING: pipe error (52): Connection reset by peer: file /builddir/firefox-57.0/ipc/chromium/src/chrome/common/ipc_channel_posix.cc, line 353
[New Thread 0x7fffbe7fe700 (LWP 994)]

###!!! [Parent][MessageChannel] Error: (msgtype=0x46002E,name=PJavaScript::Msg_DropTemporaryStrongReferences) Channel error: cannot send/recv


###!!! [Parent][RunMessage] Error: Channel error: cannot send/recv


###!!! [Parent][RunMessage] Error: Channel error: cannot send/recv


###!!! [Parent][RunMessage] Error: Channel error: cannot send/recv


###!!! [Parent][MessageChannel] Error: (msgtype=0x150083,name=PBrowser::Msg_Destroy) Channel error: cannot send/recv

[Thread 0x7fffcb3fc700 (LWP 948) exited]
[Thread 0x7fffc7aff700 (LWP 954) exited]
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[Thread 0x7fffc7aff700 (LWP 996) exited]
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[New Thread 0x7fffc7aff700 (LWP 999)]
[New Thread 0x7fffbbcff700 (LWP 1000)]
[New Thread 0x7fffca3fa700 (LWP 1001)]
[Thread 0x7fffc7aff700 (LWP 999) exited]
[New Thread 0x7fffc7aff700 (LWP 1002)]
[New Thread 0x7fffbadff700 (LWP 1003)]
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[New Thread 0x7fffb9dfd700 (LWP 1005)]
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[Thread 0x7fffb95fc700 (LWP 1006) exited]
[Thread 0x7fffb9dfd700 (LWP 1005) exited]
[Thread 0x7fffba5fe700 (LWP 1004) exited]
[Thread 0x7fffbefff700 (LWP 992) exited]
[New Thread 0x7fffba5fe700 (LWP 1007)]
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[New Thread 0x7fffb95fc700 (LWP 1010)]
[Thread 0x7fffbefff700 (LWP 1009) exited]
[Thread 0x7fffb9dfd700 (LWP 1008) exited]
[Thread 0x7fffbadff700 (LWP 1003) exited]
[New Thread 0x7fffb9dfd700 (LWP 1011)]
[New Thread 0x7fffbadff700 (LWP 1012)]
[New Thread 0x7fffbefff700 (LWP 1013)]
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[Thread 0x7fffbadff700 (LWP 1012) exited]
[Thread 0x7fffb9dfd700 (LWP 1011) exited]
[New Thread 0x7fffb7dff700 (LWP 1015)]
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[Thread 0x7fffb7dff700 (LWP 1015) exited]
[Thread 0x7fffb57fe700 (LWP 1019) exited]
[Thread 0x7fffb69fe700 (LWP 1017) exited]
[Thread 0x7fffb71ff700 (LWP 1016) exited]
[Thread 0x7fffba5fe700 (LWP 1007) exited]
[New Thread 0x7fffb9dfd700 (LWP 1020)]
[New Thread 0x7fffba5fe700 (LWP 1021)]

Thread 1 "firefox" received signal SIGSEGV, Segmentation fault.
0x00007fffe99409f2 in ?? () from /usr/lib/firefox/libxul.so
(gdb) bt full
#0  0x00007fffe99409f2 in ?? () from /usr/lib/firefox/libxul.so
No symbol table info available.
#1  0x00007fffe9940cad in ?? () from /usr/lib/firefox/libxul.so
No symbol table info available.
#2  0x00007fffe823a805 in ?? () from /usr/lib/firefox/libxul.so
No symbol table info available.
#3  0x00007fffe9940766 in ?? () from /usr/lib/firefox/libxul.so
No symbol table info available.
#4  0x00007fffe99409e6 in ?? () from /usr/lib/firefox/libxul.so
No symbol table info available.
#5  0x00007fffe9940b89 in ?? () from /usr/lib/firefox/libxul.so
No symbol table info available.
#6  0x00007fffe9940a2d in ?? () from /usr/lib/firefox/libxul.so
No symbol table info available.
#7  0x00007fffe9940cad in ?? () from /usr/lib/firefox/libxul.so
No symbol table info available.
#8  0x00007fffe823a805 in ?? () from /usr/lib/firefox/libxul.so
No symbol table info available.
#9  0x00007fffe99407c9 in ?? () from /usr/lib/firefox/libxul.so
No symbol table info available.
#10 0x00007fffe99409e6 in ?? () from /usr/lib/firefox/libxul.so
No symbol table info available.
#11 0x00007fffe9940cad in ?? () from /usr/lib/firefox/libxul.so
No symbol table info available.
#12 0x00007fffe823a805 in ?? () from /usr/lib/firefox/libxul.so
No symbol table info available.
#13 0x00007fffe9940766 in ?? () from /usr/lib/firefox/libxul.so
No symbol table info available.
#14 0x00007fffe99409e6 in ?? () from /usr/lib/firefox/libxul.so
No symbol table info available.
#15 0x00007fffe9940cad in ?? () from /usr/lib/firefox/libxul.so
No symbol table info available.
#16 0x00007fffe8239aed in ?? () from /usr/lib/firefox/libxul.so
No symbol table info available.
#17 0x00007fffe993fde4 in ?? () from /usr/lib/firefox/libxul.so
No symbol table info available.
#18 0x00007fffe73123e1 in ?? () from /usr/lib/firefox/libxul.so
---Type <return> to continue, or q <return> to quit---
No symbol table info available.
#19 0x00007fffe7312624 in ?? () from /usr/lib/firefox/libxul.so
No symbol table info available.
#20 0x00007fffe7314f03 in ?? () from /usr/lib/firefox/libxul.so
No symbol table info available.
#21 0x00007fffe72416b7 in ?? () from /usr/lib/firefox/libxul.so
No symbol table info available.
#22 0x00007fffe6bf02eb in ?? () from /usr/lib/firefox/libxul.so
No symbol table info available.
#23 0x00007fffe6bf0788 in ?? () from /usr/lib/firefox/libxul.so
No symbol table info available.
#24 0x00007fffe6b13abc in ?? () from /usr/lib/firefox/libxul.so
No symbol table info available.
#25 0x00007fffe6b49c8e in ?? () from /usr/lib/firefox/libxul.so
No symbol table info available.
#26 0x00007fffe6b48388 in ?? () from /usr/lib/firefox/libxul.so
No symbol table info available.
#27 0x00007fffe6ec4072 in ?? () from /usr/lib/firefox/libxul.so
No symbol table info available.
#28 0x00007fffe6e9aa0f in ?? () from /usr/lib/firefox/libxul.so
No symbol table info available.
#29 0x00007fffe8b0fe28 in ?? () from /usr/lib/firefox/libxul.so
No symbol table info available.
#30 0x00007fffe9c20fd6 in ?? () from /usr/lib/firefox/libxul.so
No symbol table info available.
#31 0x00007fffe9cdb134 in ?? () from /usr/lib/firefox/libxul.so
No symbol table info available.
#32 0x00007fffe9cdbb69 in ?? () from /usr/lib/firefox/libxul.so
No symbol table info available.
#33 0x00007fffe9cdc258 in ?? () from /usr/lib/firefox/libxul.so
No symbol table info available.
#34 0x000055555555a7bf in ?? ()
No symbol table info available.
#35 0x0000555555559e0c in ?? ()
No symbol table info available.
#36 0x00007ffff6fbc03a in __libc_start_main () from /usr/lib/libc.so.6
No symbol table info available.
---Type <return> to continue, or q <return> to quit---
#37 0x000055555555a0fa in _start ()
No symbol table info available.
(gdb)