SEGV on TinyTIFFReader_readNextFrame

[3iang]

This testcase causes a SEGV error in tinytiff reader

poc.zip

AddressSanitizer:DEADLYSIGNAL
=================================================================
==66152==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000000 (pc 0x7f02665939d0 bp 0x7fffd0033cb0 sp 0x7fffd0033478 T0)
==66152==The signal is caused by a READ memory access.
==66152==Hint: address points to the zero page.
    #0 0x7f02665939d0  (/lib/x86_64-linux-gnu/libc.so.6+0xc49d0) (BuildId: a43bfc8428df6623cd498c9c0caeb91aec9be4f9)
    #1 0x55c20a6e88c1 in __asan_memcpy (/src/tiff/TinyTIFF/build/tiffr+0xa88c1) (BuildId: 7b113ae05a01f00888d9b4f231fa4d8a92e154ea)
    #2 0x55c20a73c962 in TinyTIFFReader_readNextFrame /src/tiff/TinyTIFF/src/tinytiffreader.c
    #3 0x55c20a73ae69 in TinyTIFFReader_open /src/tiff/TinyTIFF/src/tinytiffreader.c:921:9
    #4 0x55c20a72ed5a in main /src/tiff/TinyTIFF/tests/tinytiffreader_test/tinytiffreader_test.cpp:506:10
    #5 0x7f02664f8d8f  (/lib/x86_64-linux-gnu/libc.so.6+0x29d8f) (BuildId: a43bfc8428df6623cd498c9c0caeb91aec9be4f9)
    #6 0x7f02664f8e3f in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x29e3f) (BuildId: a43bfc8428df6623cd498c9c0caeb91aec9be4f9)
    #7 0x55c20a666664 in _start (/src/tiff/TinyTIFF/build/tiffr+0x26664) (BuildId: 7b113ae05a01f00888d9b4f231fa4d8a92e154ea)

[3iang]

This was dupilcate with #19 and so closed