[Bug sanitizer/80166] SANITIZER_INTERCEPT_GETGROUPS modifies list when size is 0 Out-of-bounds write

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80166

--- Comment #6 from Martin Liška <marxin at gcc dot gnu.org> ---
Author: marxin
Date: Fri May 26 11:26:04 2017
New Revision: 248494

URL: https://gcc.gnu.org/viewcvs?rev=248494&root=gcc&view=rev
Log:
Backport r246730

2017-05-26  Martin Liska  <mli...@suse.cz>

        Backport from mainline
        2017-04-06  Martin Liska  <mli...@suse.cz>

        PR sanitizer/80166
        * gcc.dg/asan/pr80166.c: New test.
2017-05-26  Martin Liska  <mli...@suse.cz>

        Backport from mainline
        2017-04-06  Martin Liska  <mli...@suse.cz>

        PR sanitizer/80166
        * sanitizer_common/sanitizer_common_interceptors.inc (INTERCEPTOR):
        Cherry-pick upstream r299036.

Added:
    branches/gcc-6-branch/gcc/testsuite/gcc.dg/asan/pr80166.c
Modified:
    branches/gcc-6-branch/gcc/testsuite/ChangeLog
    branches/gcc-6-branch/libsanitizer/ChangeLog
   
branches/gcc-6-branch/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc