Bug 1652625 - There is an illegal WRITE memory access at src/common-image.c:193 (function:load_image )in libcaca latest version.
Summary: There is an illegal WRITE memory access at src/common-image.c:193 (function:l...
Status: NEW
Alias: None
Product: Fedora
Classification: Fedora
Component: libcaca
Version: rawhide
Hardware: All
OS: All
unspecified
urgent
Target Milestone: ---
Assignee: Matthias Saou
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard:
Keywords:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2018-11-22 13:28 UTC by shuitao gan
Modified: 2018-12-29 14:20 UTC (History)
5 users (show)

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Clone Of:
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Last Closed:

Attachments (Terms of Use)
./img2txt POC4 (102 bytes, image/bmp)
2018-11-22 13:28 UTC, shuitao gan 		no flags Details
Add an attachment (proposed patch, testcase, etc.)

Description shuitao gan 2018-11-22 13:28:15 UTC 
Created attachment 1507962 [details]
./img2txt POC4

version: libcaca0.99beta19
Summary: 

There is an illegal WRITE memory access at src/common-image.c:193 (function:load_image )in libcaca latest version.

Description:

The asan debug is as follows:

$./img2txt POC4

=================================================================
==90274==ERROR: AddressSanitizer: SEGV on unknown address 0x6020ffff0030 (pc 0x5619e1a71388 bp 0x603000000010 sp 0x7ffe4f582780 T0)
==90274==The signal is caused by a WRITE memory access.
    #0 0x5619e1a71387 in load_image /home/company/real/libcaca-master/src/common-image.c:193
    #1 0x5619e1a6f7c7 in main /home/company/real/libcaca-master/src/img2txt.c:171
    #2 0x7f31440e11c0 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x211c0)
    #3 0x5619e1a6ff09 in _start (/home/company/real/libcaca-master/install_asan/bin/img2txt+0x2f09)

AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV /home/company/real/libcaca-master/src/common-image.c:193 in load_image
==90274==ABORTING
Comment 1 Leonardo Taccari 2018-12-28 22:40:59 UTC 
Hello shuitao!
Was this problem reported upstream?  If not, can you please share this problem also with them?


Thank you!
Comment 2 Henri Salo 2018-12-29 03:29:23 UTC 
Reported to upstream https://github.com/cacalabs/libcaca/issues/40
Comment 3 Leonardo Taccari 2018-12-29 14:20:50 UTC 
Thank you very much Henri!
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