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


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

Submitter:  Kostya Serebryany <kcc>
Submitted:  Mon 19 Oct 2015 11:56:04 PM UTC
Severity:  3 - Normal Item Group:  None
Status:  Duplicate Privacy:  Public
Assigned to:  wl Open/Closed:  Closed
Planned Release:  2.6.2

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

Ah, that's #46250

Kostya Serebryany <kcc>
Group 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>
Group 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
  • -email is unavailable- added by wl (Updated the item)
  • -email is unavailable- added by kcc (Submitted the item)

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    Follow 5 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    2015-10-20 wl Assigned toNone wl
        Open/ClosedOpen Closed
        Planned ReleaseNone 2.6.2
    2015-10-19 kcc StatusNone Duplicate
    2015-10-19 kcc Attached File- Added crash-89ffb0ca1632532d82c6d93ae7ebfcc2b9c0ac68, #35236

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