#0  0x00007f1df0f656a2 in DecodeImageStream () from /usr/lib64/firefox/libxul.so
#1  0x00007f1df0f65264 in VP8LDecodeAlphaHeader () from /usr/lib64/firefox/libxul.so
#2  0x00007f1df0f5c470 in VP8DecompressAlphaRows () from /usr/lib64/firefox/libxul.so
#3  0x00007f1df0f5e13d in FinishRow () from /usr/lib64/firefox/libxul.so
#4  0x00007f1df0f5f91a in IDecode () from /usr/lib64/firefox/libxul.so
#5  0x00007f1deeb218c6 in mozilla::image::nsWebPDecoder::ReadSingle(unsigned char const*, unsigned long, mozilla::gfx::IntRectTyped<mozilla::OrientedPixel> const&) () from /usr/lib64/firefox/libxul.so
#6  0x00007f1deeb20aad in mozilla::image::nsWebPDecoder::ReadPayload(WebPDemuxer*, bool) () from /usr/lib64/firefox/libxul.so
#7  0x00007f1deeb204ed in mozilla::image::nsWebPDecoder::ReadData() () from /usr/lib64/firefox/libxul.so
#8  0x00007f1deeb21081 in mozilla::image::nsWebPDecoder::DoDecode(mozilla::image::SourceBufferIterator&, mozilla::image::IResumable*) () from /usr/lib64/firefox/libxul.so
#9  0x00007f1deeacdcd6 in mozilla::image::Decoder::Decode(mozilla::image::IResumable*) () from /usr/lib64/firefox/libxul.so
#10 0x00007f1deead26fd in mozilla::image::DecodedSurfaceProvider::Run() () from /usr/lib64/firefox/libxul.so
#11 0x00007f1deeada98e in mozilla::image::DecodingTask::Run() () from /usr/lib64/firefox/libxul.so
#12 0x00007f1dedee18f6 in mozilla::ThreadFuncPoolThread(void*) () from /usr/lib64/firefox/libxul.so
#13 0x00007f1df51cdc6e in _pt_root (arg=0x7f1df4fe1160) at ptthread.c:201
#14 0x00007f1df57a8eb0 in start_thread (arg=0x7f1de3fd5640) at pthread_create.c:463
#15 0x00007f1df52f652f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95