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freeze with a crafted bmp #996

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asarubbo opened this issue Aug 18, 2017 · 4 comments
Closed

freeze with a crafted bmp #996

asarubbo opened this issue Aug 18, 2017 · 4 comments

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@asarubbo
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The attached testcase freezes the process without exit.

command to reproduce:

opj_compress -r 20,10,1 -jpip -EPH -SOP -cinema2K 24 -n 1 -i $FILE -o null.j2k

2.hangs.zip
rouault added a commit that referenced this issue Aug 18, 2017
@rouault
bmp_read_rle8_data(): avoid potential infinite loop (#996)
5597522
@rouault rouault closed this as completed Aug 18, 2017
@asarubbo
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With the current master I still get the freeze with another file
11.hangs.zip

@asarubbo
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Another file which freezes:
15.hangs.zip

@rouault
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rouault commented Aug 18, 2017

The issue with 11.hangs.zip and 15.hangs.zip is completely different; They are BMP files of huge dimensions. So compressions takes a lot of time / memory (potentially crashing the process)

$ file ../11.hangs.bmp
../11.hangs.bmp: PC bitmap, Windows 3.x format, 16711929 x 1 x 8

$ file ../15.hangs.bmp
../15.hangs.bmp: PC bitmap, Windows 3.x format, 369098753 x 1 x 4

@asarubbo
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if you think I need to open a separate bug I will.

@ProbeFuzzer ProbeFuzzer mentioned this issue Feb 4, 2018
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@rouault @asarubbo