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memory leak in sgi #428

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@bestshow

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@bestshow

on ImageMagick latest version

#identify $FILE

Direct leak of 4160 byte(s) in 1 object(s) allocated from:
#0 0x7f6a48a18590 in __interceptor_posix_memalign ../../../../libsanitizer/asan/asan_malloc_linux.cc:128
#1 0x43ec4c in AcquireAlignedMemory MagickCore/memory.c:261
#2 0x43ed71 in AcquireVirtualMemory MagickCore/memory.c:578
#3 0x68d683 in ReadSGIImage coders/sgi.c:452
#4 0x7f23d8 in ReadImage MagickCore/constitute.c:497
#5 0x9e4e89 in ReadStream MagickCore/stream.c:1045
#6 0x7f1486 in PingImage MagickCore/constitute.c:226
#7 0x7f1a39 in PingImages MagickCore/constitute.c:327
#8 0xbba496 in IdentifyImageCommand MagickWand/identify.c:319
#9 0xc10fea in MagickCommandGenesis MagickWand/mogrify.c:183
#10 0x40f839 in MagickMain utilities/magick.c:149
#11 0x40fa06 in main utilities/magick.c:180
#12 0x7f6a43d26b34 in __libc_start_main (/lib64/libc.so.6+0x21b34)

Direct leak of 4160 byte(s) in 1 object(s) allocated from:
#0 0x7f6a48a18590 in __interceptor_posix_memalign ../../../../libsanitizer/asan/asan_malloc_linux.cc:128
#1 0x43ec4c in AcquireAlignedMemory MagickCore/memory.c:261
#2 0x43ed71 in AcquireVirtualMemory MagickCore/memory.c:578
#3 0x68d1d7 in ReadSGIImage coders/sgi.c:385
#4 0x7f23d8 in ReadImage MagickCore/constitute.c:497
#5 0x9e4e89 in ReadStream MagickCore/stream.c:1045
#6 0x7f1486 in PingImage MagickCore/constitute.c:226
#7 0x7f1a39 in PingImages MagickCore/constitute.c:327
#8 0xbba496 in IdentifyImageCommand MagickWand/identify.c:319
#9 0xc10fea in MagickCommandGenesis MagickWand/mogrify.c:183
#10 0x40f839 in MagickMain utilities/magick.c:149
#11 0x40fa06 in main utilities/magick.c:180
#12 0x7f6a43d26b34 in __libc_start_main (/lib64/libc.so.6+0x21b34)

Direct leak of 8 byte(s) in 1 object(s) allocated from:
#0 0x7f6a48a17b58 in __interceptor_malloc ../../../../libsanitizer/asan/asan_malloc_linux.cc:62
#1 0x43ecdb in AcquireMagickMemory MagickCore/memory.c:463
#2 0x43ed2f in AcquireQuantumMemory MagickCore/memory.c:536
#3 0x68d661 in ReadSGIImage coders/sgi.c:450
#4 0x7f23d8 in ReadImage MagickCore/constitute.c:497
#5 0x9e4e89 in ReadStream MagickCore/stream.c:1045
#6 0x7f1486 in PingImage MagickCore/constitute.c:226
#7 0x7f1a39 in PingImages MagickCore/constitute.c:327
#8 0xbba496 in IdentifyImageCommand MagickWand/identify.c:319
#9 0xc10fea in MagickCommandGenesis MagickWand/mogrify.c:183
#10 0x40f839 in MagickMain utilities/magick.c:149
#11 0x40fa06 in main utilities/magick.c:180
#12 0x7f6a43d26b34 in __libc_start_main (/lib64/libc.so.6+0x21b34)

Direct leak of 8 byte(s) in 1 object(s) allocated from:
#0 0x7f6a48a17b58 in __interceptor_malloc ../../../../libsanitizer/asan/asan_malloc_linux.cc:62
#1 0x43ecdb in AcquireMagickMemory MagickCore/memory.c:463
#2 0x43ed2f in AcquireQuantumMemory MagickCore/memory.c:536
#3 0x68d633 in ReadSGIImage coders/sgi.c:448
#4 0x7f23d8 in ReadImage MagickCore/constitute.c:497
#5 0x9e4e89 in ReadStream MagickCore/stream.c:1045
#6 0x7f1486 in PingImage MagickCore/constitute.c:226
#7 0x7f1a39 in PingImages MagickCore/constitute.c:327
#8 0xbba496 in IdentifyImageCommand MagickWand/identify.c:319
#9 0xc10fea in MagickCommandGenesis MagickWand/mogrify.c:183
#10 0x40f839 in MagickMain utilities/magick.c:149
#11 0x40fa06 in main utilities/magick.c:180
#12 0x7f6a43d26b34 in __libc_start_main (/lib64/libc.so.6+0x21b34)

Indirect leak of 64 byte(s) in 1 object(s) allocated from:
#0 0x7f6a48a18590 in __interceptor_posix_memalign ../../../../libsanitizer/asan/asan_malloc_linux.cc:128
#1 0x43ec4c in AcquireAlignedMemory MagickCore/memory.c:261
#2 0x43ef59 in AcquireVirtualMemory MagickCore/memory.c:608
#3 0x68d1d7 in ReadSGIImage coders/sgi.c:385
#4 0x7f23d8 in ReadImage MagickCore/constitute.c:497
#5 0x9e4e89 in ReadStream MagickCore/stream.c:1045
#6 0x7f1486 in PingImage MagickCore/constitute.c:226
#7 0x7f1a39 in PingImages MagickCore/constitute.c:327
#8 0xbba496 in IdentifyImageCommand MagickWand/identify.c:319
#9 0xc10fea in MagickCommandGenesis MagickWand/mogrify.c:183
#10 0x40f839 in MagickMain utilities/magick.c:149
#11 0x40fa06 in main utilities/magick.c:180
#12 0x7f6a43d26b34 in __libc_start_main (/lib64/libc.so.6+0x21b34)

Indirect leak of 64 byte(s) in 1 object(s) allocated from:
#0 0x7f6a48a18590 in __interceptor_posix_memalign ../../../../libsanitizer/asan/asan_malloc_linux.cc:128
#1 0x43ec4c in AcquireAlignedMemory MagickCore/memory.c:261
#2 0x43ef59 in AcquireVirtualMemory MagickCore/memory.c:608
#3 0x68d683 in ReadSGIImage coders/sgi.c:452
#4 0x7f23d8 in ReadImage MagickCore/constitute.c:497
#5 0x9e4e89 in ReadStream MagickCore/stream.c:1045
#6 0x7f1486 in PingImage MagickCore/constitute.c:226
#7 0x7f1a39 in PingImages MagickCore/constitute.c:327
#8 0xbba496 in IdentifyImageCommand MagickWand/identify.c:319
#9 0xc10fea in MagickCommandGenesis MagickWand/mogrify.c:183
#10 0x40f839 in MagickMain utilities/magick.c:149
#11 0x40fa06 in main utilities/magick.c:180
#12 0x7f6a43d26b34 in __libc_start_main (/lib64/libc.so.6+0x21b34)

8464 byte(s) leaked in 6 allocation(s).

testcase:
https://github.com/bestshow/p0cs/blob/master/memory-leak-in-sgi

Author: ADLab of Venustech

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