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runtime error: load of misaligned address #5033

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xiaoxiaoafeifei opened this issue Apr 9, 2022 · 0 comments · Fixed by #5034
Closed

runtime error: load of misaligned address #5033

xiaoxiaoafeifei opened this issue Apr 9, 2022 · 0 comments · Fixed by #5034

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@xiaoxiaoafeifei
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xiaoxiaoafeifei commented Apr 9, 2022 •
edited

ImageMagick version

7.1.0-29

Operating system

Linux

Operating system, version and so on

Ubuntu 20.04.4 LTS

Description

Hi, there is runtime error: load of misaligned address at MagickCore/property.c:1548,1553

Here's UBSAN log:
MagickCore/property.c:1548:15: runtime error: load of misaligned address 0x62300000710b for type 'float', which requires 4 byte alignment
0x62300000710b: note: pointer points here
49 2a 00 08 00 00 00 02 00 1a 01 0b 00 14 00 00 00 05 00 00 00 05 00 01 00 05 00 00 40 05 00 00
^
SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior MagickCore/property.c:1548:15 in

MagickCore/property.c:1553:15: runtime error: load of misaligned address 0x62300000714d for type 'double', which requires 8 byte alignment
0x62300000714d: note: pointer points here
01 04 00 01 00 00 00 06 00 00 00 01 02 04 00 01 00 00 00 00 00 80 08 02 02 04 00 01 00 00 00 3f
^
SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior MagickCore/property.c:1553:15 in

Steps to Reproduce

CC=clang CXX=clang++ CFLAGS="-fsanitize=address,undefined -g" CXXFLAGS="-fsanitize=address,undefined -g" ./configure
make & make install
/usr/local/bin/magick convert poc /dev/null

Images

poc.zip
xiaoxiaoafeifei added a commit to xiaoxiaoafeifei/ImageMagick that referenced this issue Apr 9, 2022
@xiaoxiaoafeifei
fix ImageMagick#5033:runtime error: load of misaligned address
0d1b9d7
@xiaoxiaoafeifei xiaoxiaoafeifei mentioned this issue Apr 9, 2022
Merged
urban-warrior pushed a commit that referenced this issue Apr 9, 2022
@xiaoxiaoafeifei
fix #5033: runtime error: load of misaligned address (#5034)
eac8ce4 
* fix Division by zero in XMenuWidget() of MagickCore/widget.c

* Fix memory leak in AnimateImageCommand() of MagickWand/animate.c and DisplayImageCommand() of MagickWand/display.c

* fix Division by zero in ReadEnhMetaFile() of coders/emf.c

* Resolve conflicts

* fix issue: outside the range of representable values of type 'unsigned char' at coders/psd.c:1025

* fix error: 4e+26 is outside the range of representable values of type 'unsigned long' at coders/pcl.c:299

* fix #5033:runtime error: load of misaligned address

Co-authored-by: zhailiangliang <zhailiangliang@loongson.cn>
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fix #5033: runtime error: load of misaligned address xiaoxiaoafeifei/ImageMagick
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