bugThe FreeType Project - Bugs: bug #45983, src/pcf/pcfread.c:1294:51: runtime...

 
 

bug #45983: src/pcf/pcfread.c:1294:51: runtime error: left shift of negative value -9616

Submitted by:  Kostya Serebryany <kcc>
Submitted on:  Thu 17 Sep 2015 03:34:46 AM UTC  
 
Severity: 3 - NormalItem Group: None
Status: FixedPrivacy: Public
Assigned to: Werner LEMBERG <wl>Open/Closed: Closed
Planned Release: 2.6.1

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Fri 18 Sep 2015 05:17:37 PM UTC, comment #2:

This one is gone, thanks!

Kostya Serebryany <kcc>
Project Member
Thu 17 Sep 2015 11:43:45 AM UTC, comment #1:

Thanks for the report. Should be fixed in git, please test.

Werner LEMBERG <wl>
Project AdministratorIn charge of this item.
Thu 17 Sep 2015 03:34:46 AM UTC, original submission:

found on fresh git with libFuzzer+UBsan (on x86_64 Linux)
Build with -fsanitize=shift,signed-integer-overflow and feed the data below (in base64) into FT_New_Memory_Face

src/pcf/pcfread.c:1294:51: runtime error: left shift of negative value -9616
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==

Kostya Serebryany <kcc>
Project Member

 

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  • -unavailable- added by wl (Posted a comment)
  • -unavailable- added by kcc (Submitted the item)
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    Follow 4 latest changes.

    Date Changed By Updated Field Previous Value => Replaced By
    Thu 17 Sep 2015 11:43:45 AM UTCwlStatusNone=>Fixed
      Assigned toNone=>wl
      Open/ClosedOpen=>Closed
      Planned ReleaseNone=>2.6.1

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