#0  malloc_consolidate (av=av@entry=0x7f6075dd3c00 <main_arena>) at malloc.c:4136
        fb = 0x7f6075dd3c08 <main_arena+8>
        maxfb = 0x7f6075dd3c50 <main_arena+80>
        p = 0x7f6075dd3c58 <main_arena+88>
        nextp = 0x23b6eb0
        unsorted_bin = 0x7f6075dd3c58 <main_arena+88>
        first_unsorted = <optimized out>
        nextchunk = 0x7f607820c7f8
        size = 37981088
        nextsize = <optimized out>
        prevsize = <optimized out>
        nextinuse = <optimized out>
        bck = <optimized out>
        fwd = <optimized out>
#1  0x00007f6075a8fe78 in _int_free (av=0x7f6075dd3c00 <main_arena>, p=<optimized out>, have_lock=0) at malloc.c:4042
        size = 278912
        fb = <optimized out>
        nextchunk = <optimized out>
        nextsize = 32
        prevsize = <optimized out>
        bck = <optimized out>
        fwd = <optimized out>
        errstr = 0x0
        locked = <optimized out>
#2  0x00007f6075a937fc in __GI___libc_free (mem=<optimized out>) at malloc.c:2950
        ar_ptr = <optimized out>
        p = <optimized out>
        hook = <optimized out>
#3  0x00007f6063d7ae51 in ?? () from /tmp/apport_sandbox_y7vJAN/usr/lib/nvidia-352/libGL.so.1
No symbol table info available.
#4  0x00007f6062397d66 in ?? () from /tmp/apport_sandbox_y7vJAN/usr/lib/nvidia-352/libnvidia-glcore.so.352.63
No symbol table info available.
#5  0x00007f60626e420d in ?? () from /tmp/apport_sandbox_y7vJAN/usr/lib/nvidia-352/libnvidia-glcore.so.352.63
No symbol table info available.
#6  0x00007f6063d4ef1b in ?? () from /tmp/apport_sandbox_y7vJAN/usr/lib/nvidia-352/libGL.so.1
No symbol table info available.
#7  0x00007f6063dc12b3 in ?? () from /tmp/apport_sandbox_y7vJAN/usr/lib/nvidia-352/libGL.so.1
No symbol table info available.
#8  0x00007f607664ec15 in ?? ()
No symbol table info available.
#9  0x00007f6076863188 in ?? ()
No symbol table info available.
#10 0x00007f6076863720 in ?? ()
No symbol table info available.
#11 0x00000000022bb590 in ?? ()
No symbol table info available.
#12 0x00000000022c69b0 in ?? ()
No symbol table info available.
#13 0x00000000022c09e0 in ?? ()
No symbol table info available.
#14 0x00000000022bbaf0 in ?? ()
No symbol table info available.
#15 0x00000000022bc4f0 in ?? ()
No symbol table info available.
#16 0x00000000022d2e00 in ?? ()
No symbol table info available.
#17 0x000000000236d870 in ?? ()
No symbol table info available.
#18 0x00000000023b4580 in ?? ()
No symbol table info available.
#19 0x00000000023b6540 in ?? ()
No symbol table info available.
#20 0x00000000023c5980 in ?? ()
No symbol table info available.
#21 0x00000000022bbfd0 in ?? ()
No symbol table info available.
#22 0x00000000023c8190 in ?? ()
No symbol table info available.
#23 0x00000000023ca6d0 in ?? ()
No symbol table info available.
#24 0x00000000023cd320 in ?? ()
No symbol table info available.
#25 0x00000000023d45d0 in ?? ()
No symbol table info available.
#26 0x00000000023d4f10 in ?? ()
No symbol table info available.
#27 0x00000000023e1880 in ?? ()
No symbol table info available.
#28 0x00000000023e2710 in ?? ()
No symbol table info available.
#29 0x00000000023e3070 in ?? ()
No symbol table info available.
#30 0x00000000023e39b0 in ?? ()
No symbol table info available.
#31 0x00000000023e56f0 in ?? ()
No symbol table info available.
#32 0x00000000023e81b0 in ?? ()
No symbol table info available.
#33 0x00000000023ef990 in ?? ()
No symbol table info available.
#34 0x00000000023f0420 in ?? ()
No symbol table info available.
#35 0x00000000023efe40 in ?? ()
No symbol table info available.
#36 0x00000000023f0930 in ?? ()
No symbol table info available.
#37 0x00000000023fe490 in ?? ()
No symbol table info available.
#38 0x00000000024049b0 in ?? ()
No symbol table info available.
#39 0x0000000002405220 in ?? ()
No symbol table info available.
#40 0x00000000023e4510 in ?? ()
No symbol table info available.
#41 0x0000000002406180 in ?? ()
No symbol table info available.
#42 0x00000000023e7940 in ?? ()
No symbol table info available.
#43 0x00000000023dcf40 in ?? ()
No symbol table info available.
#44 0x00000000023688a0 in ?? ()
No symbol table info available.
#45 0x0000000002362b20 in ?? ()
No symbol table info available.
#46 0x00007f60768604e0 in ?? ()
No symbol table info available.
#47 0x00007f6076821518 in ?? ()
No symbol table info available.
#48 0x00007f607681db40 in ?? ()
No symbol table info available.
#49 0x00007f607681d638 in ?? ()
No symbol table info available.
#50 0x00007f60768224f8 in ?? ()
No symbol table info available.
#51 0x00007f6076822000 in ?? ()
No symbol table info available.
#52 0x00007f607681e0e0 in ?? ()
No symbol table info available.
#53 0x00007f60768239f0 in ?? ()
No symbol table info available.
#54 0x0000000002407210 in ?? ()
No symbol table info available.
#55 0x0000000002407740 in ?? ()
No symbol table info available.
#56 0x00000000023e8680 in ?? ()
No symbol table info available.
#57 0x00000000023ea9d0 in ?? ()
No symbol table info available.
#58 0x00000000023eb2c0 in ?? ()
No symbol table info available.
#59 0x00000000023eb7d0 in ?? ()
No symbol table info available.
#60 0x00000000023ea4b0 in ?? ()
No symbol table info available.
#61 0x00000000023e9fc0 in ?? ()
No symbol table info available.
#62 0x00000000023e9ad0 in ?? ()
No symbol table info available.
#63 0x00000000023e95a0 in ?? ()
No symbol table info available.
#64 0x0000000002368d70 in ?? ()
No symbol table info available.
#65 0x0000000002369c90 in ?? ()
No symbol table info available.
#66 0x0000000002369220 in ?? ()
No symbol table info available.
#67 0x0000000002407c60 in ?? ()
No symbol table info available.
#68 0x0000000002409670 in ?? ()
No symbol table info available.
#69 0x000000000240a600 in ?? ()
No symbol table info available.
#70 0x000000000240ab30 in ?? ()
No symbol table info available.
#71 0x000000000240b050 in ?? ()
No symbol table info available.
#72 0x000000000240b570 in ?? ()
No symbol table info available.
#73 0x000000000240bab0 in ?? ()
No symbol table info available.
#74 0x0000000002406840 in ?? ()
No symbol table info available.
#75 0x0000000002409140 in ?? ()
No symbol table info available.
#76 0x0000000002408c10 in ?? ()
No symbol table info available.
#77 0x0000000002406cf0 in ?? ()
No symbol table info available.
#78 0x00000000023e9070 in ?? ()
No symbol table info available.
#79 0x0000000002409ba0 in ?? ()
No symbol table info available.
#80 0x00007f6076824000 in ?? ()
No symbol table info available.
#81 0x00007f607681f500 in ?? ()
No symbol table info available.
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No symbol table info available.
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No symbol table info available.
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No symbol table info available.
#85 0x00000000023636a0 in ?? ()
No symbol table info available.
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No symbol table info available.
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No symbol table info available.
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No symbol table info available.
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No symbol table info available.
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No symbol table info available.
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No symbol table info available.
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No symbol table info available.
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No symbol table info available.
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No symbol table info available.
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No symbol table info available.
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No symbol table info available.
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No symbol table info available.
#98 0x00000000023cf050 in ?? ()
No symbol table info available.
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No symbol table info available.
#100 0x000000000240cf60 in ?? ()
No symbol table info available.
#101 0x000000000240d480 in ?? ()
No symbol table info available.
#102 0x000000000240a0d0 in ?? ()
No symbol table info available.
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No symbol table info available.
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No symbol table info available.
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No symbol table info available.
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No symbol table info available.
#107 0x000000000240eab0 in ?? ()
No symbol table info available.
#108 0x000000000240efe0 in ?? ()
No symbol table info available.
#109 0x000000000240db20 in ?? ()
No symbol table info available.
#110 0x000000000240f750 in ?? ()
No symbol table info available.
#111 0x00000000022c46a0 in ?? ()
No symbol table info available.
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No symbol table info available.
#113 0x00000000022c3160 in ?? ()
No symbol table info available.
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No symbol table info available.
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No symbol table info available.
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No symbol table info available.
#117 0x00000000022bdb10 in ?? ()
No symbol table info available.
#118 0x00000000024109d0 in ?? ()
No symbol table info available.
#119 0x00000000023ebce0 in ?? ()
No symbol table info available.
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No symbol table info available.
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No symbol table info available.
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No symbol table info available.
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No symbol table info available.
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No symbol table info available.
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No symbol table info available.
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No symbol table info available.
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No symbol table info available.
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No symbol table info available.
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No symbol table info available.
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No symbol table info available.
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No symbol table info available.
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No symbol table info available.
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No symbol table info available.
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No symbol table info available.
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No symbol table info available.
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No symbol table info available.
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No symbol table info available.
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No symbol table info available.
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No symbol table info available.
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No symbol table info available.
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No symbol table info available.
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No symbol table info available.
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No symbol table info available.
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No symbol table info available.
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No symbol table info available.
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No symbol table info available.
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No symbol table info available.
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No symbol table info available.
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No symbol table info available.
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No symbol table info available.
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No symbol table info available.
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No symbol table info available.
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No symbol table info available.
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No symbol table info available.
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No symbol table info available.
#156 0x0000000000000000 in ?? ()
No symbol table info available.