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memory leaks in XCreateImage #1531

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@butterflyhack

Description

@butterflyhack

Prerequisites

  • I have written a descriptive issue title
  • I have verified that I am using the latest version of ImageMagick
  • I have searched open and closed issues to ensure it has not already been reported

Description

=================================================================
==15742==ERROR: LeakSanitizer: detected memory leaks

Direct leak of 136 byte(s) in 1 object(s) allocated from:
    #0 0x7fadbfd0c79a in __interceptor_calloc (/usr/lib/x86_64-linux-gnu/libasan.so.2+0x9879a)
    #1 0x7fadbcb0e220 in XCreateImage (/usr/lib/x86_64-linux-gnu/libX11.so.6+0x27220)

Indirect leak of 48000 byte(s) in 1 object(s) allocated from:
    #0 0x7fadbfd0c602 in malloc (/usr/lib/x86_64-linux-gnu/libasan.so.2+0x98602)
    #1 0x508cf3 in XMakeImage MagickCore/xwindow.c:5733
    #2 0x82940c in XConfigureImage MagickCore/display.c:4449
    #3 0x85e6bd in XDisplayImage MagickCore/display.c:15069
    #4 0x81b445 in DisplayImages MagickCore/display.c:1705
    #5 0x77475f in WriteXImage coders/x.c:202
    #6 0x808fb6 in WriteImage MagickCore/constitute.c:1226
    #7 0x8097ea in WriteImages MagickCore/constitute.c:1376
    #8 0xbb0499 in ConvertImageCommand MagickWand/convert.c:3305
    #9 0xc9c5ea in MagickCommandGenesis MagickWand/mogrify.c:184
    #10 0x40e941 in MagickMain utilities/magick.c:149
    #11 0x40eb22 in main utilities/magick.c:180
    #12 0x7fadbbffc82f in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2082f)

SUMMARY: AddressSanitizer: 48136 byte(s) leaked in 2 allocation(s).

Steps to Reproduce

$ touch output.x
$/usr/local/bin/magick convert Memory-Leak-2 output.x

then close the windows of ImageMagick.

System Configuration

  • ImageMagick version: 7.0.8-35
  • Environment (Operating system, version and so on): Linux ubuntu 4.15.0-42-generic Link to binary releases in README is dead #45~16.04.1-Ubuntu SMP Mon Nov 19 13:02:27 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux
  • Additional information:

memory_leaks_2.zip

credit:
ADlab of venustech

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