bugThe FreeType Project - Bugs: bug #46256, NULL deref in cid_load_glyph...

 
 

bug #46256: NULL deref in cid_load_glyph src/cid/cidgload.c:145:39

Submitted by:  Kostya Serebryany <kcc>
Submitted on:  Mon 19 Oct 2015 11:56:04 PM UTC  
 
Severity: 3 - NormalItem Group: None
Status: DuplicatePrivacy: Public
Assigned to: Werner LEMBERG <wl>Open/Closed: Closed
Planned Release: 2.6.2

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Mon 19 Oct 2015 11:57:09 PM UTC, comment #1:

Ah, that's #46250

Kostya Serebryany <kcc>
Project Member
Mon 19 Oct 2015 11:56:04 PM UTC, original submission:

Found with libFuzzer (not on the bot yet, trying new inputs)

==27320==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000000 (pc 0x000000636696 bp 0x7ffe7ddc3090 sp 0x7ffe7ddc2f00 T0)
#0 0x636695 in cid_load_glyph src/cid/cidgload.c:145:39
#1 0x63288b in cid_slot_load_glyph src/cid/cidgload.c:335:13
#2 0x4ffcf8 in FT_Load_Glyph src/base/ftobjs.c:742:15
#3 0x4d969f in LLVMFuzzerTestOneInput

Kostya Serebryany <kcc>
Project Member

 

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Attached Files
file #35236:  crash-89ffb0ca1632532d82c6d93ae7ebfcc2b9c0ac68 added by kcc (2KiB - application/octet-stream)

 

Depends on the following items: None found

Items that depend on this one: None found

 

Carbon-Copy List
  • -unavailable- added by wl (Updated the item)
  • -unavailable- added by kcc (Submitted the item)
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    Follow 5 latest changes.

    Date Changed By Updated Field Previous Value => Replaced By
    Tue 20 Oct 2015 08:47:04 PM UTCwlAssigned toNone=>wl
      Open/ClosedOpen=>Closed
      Planned ReleaseNone=>2.6.2
    Mon 19 Oct 2015 11:57:09 PM UTCkccStatusNone=>Duplicate
    Mon 19 Oct 2015 11:56:04 PM UTCkccAttached File-=>Added crash-89ffb0ca1632532d82c6d93ae7ebfcc2b9c0ac68, #35236

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