[Bug demangler/92453] write buffer overflow in cplus_demangle()

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92453

Andrew Pinski  changed:

   What|Removed |Added

 CC||amodra at gmail dot com

--- Comment #5 from Andrew Pinski  ---
*** Bug 103893 has been marked as a duplicate of this bug. ***

[Bug demangler/92453] write buffer overflow in cplus_demangle()

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92453

Martin Liška  changed:

   What|Removed |Added

 Status|UNCONFIRMED |ASSIGNED
   Last reconfirmed||2020-01-23
 CC||marxin at gcc dot gnu.org
   Assignee|unassigned at gcc dot gnu.org  |tim.ruehsen at gmx dot 
de
 Ever confirmed|0   |1

[Bug demangler/92453] write buffer overflow in cplus_demangle()

[egallager at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92453

Eric Gallager  changed:

   What|Removed |Added

   Keywords||patch
URL||https://gcc.gnu.org/ml/gcc-
   ||patches/2019-11/msg02682.ht
   ||ml
 CC||egallager at gcc dot gnu.org

--- Comment #4 from Eric Gallager  ---
(In reply to Tim Ruehsen from comment #3)
> (In reply to Christian Biesinger from comment #2)
> > Could you send your patch to gcc-patches per
> > https://gcc.gnu.org/contribute.html#patches ? Thanks!
> 
> I did that some days ago:
> https://gcc.gnu.org/ml/gcc-patches/2019-11/msg02682.html

adding "patch" keyword then

[Bug demangler/92453] write buffer overflow in cplus_demangle()

[tim.ruehsen at gmx dot de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92453

--- Comment #3 from Tim Ruehsen  ---
(In reply to Christian Biesinger from comment #2)
> Could you send your patch to gcc-patches per
> https://gcc.gnu.org/contribute.html#patches ? Thanks!

I did that some days ago:
https://gcc.gnu.org/ml/gcc-patches/2019-11/msg02682.html

[Bug demangler/92453] write buffer overflow in cplus_demangle()

[cbiesinger at google dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92453

Christian Biesinger  changed:

   What|Removed |Added

 CC||cbiesinger at google dot com

--- Comment #2 from Christian Biesinger  ---
Could you send your patch to gcc-patches per
https://gcc.gnu.org/contribute.html#patches ? Thanks!

[Bug demangler/92453] write buffer overflow in cplus_demangle()

[tim.ruehsen at gmx dot de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92453

--- Comment #1 from Tim Ruehsen  ---
Created attachment 47279
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=47279=edit
Fix write buffer overflow in cplus_demangle()

Correctly calculate the demangled size by using two passes.