[Bug binutils/22794] Unchecked strnlen operation in bfd_get_debug_link_info_1 (./src/bfd/opncls.c)

[jeremip11 at gmail dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=22794

Jeremi  changed:

   What|Removed |Added

 CC||jeremip11 at gmail dot com

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[Bug binutils/22794] Unchecked strnlen operation in bfd_get_debug_link_info_1 (./src/bfd/opncls.c)

[nickc at redhat dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=22794

Nick Clifton  changed:

   What|Removed |Added

 Status|UNCONFIRMED |RESOLVED
 CC||nickc at redhat dot com
 Resolution|--- |FIXED

--- Comment #2 from Nick Clifton  ---
Thanks for reporting this bug.

I have applied a small patch to check the size of the debuglink sections before
attempting to load their contents.

Cheers
  Nick

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[Bug binutils/22794] Unchecked strnlen operation in bfd_get_debug_link_info_1 (./src/bfd/opncls.c)

[cvs-commit at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=22794

--- Comment #1 from cvs-commit at gcc dot gnu.org  ---
The master branch has been updated by Nick Clifton :

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=64e234d417d5685a4aec0edc618114d9991c031b

commit 64e234d417d5685a4aec0edc618114d9991c031b
Author: Nick Clifton 
Date:   Tue Feb 6 15:48:29 2018 +

Prevent attempts to call strncpy with a zero-length field by chacking the
size of debuglink sections.

PR 22794
* opncls.c (bfd_get_debug_link_info_1): Check the size of the
section before attempting to read it in.
(bfd_get_alt_debug_link_info): Likewise.

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