commit a2aaa408af37939d4a1db943f8d0d0d232de5186
author florian <florian@a5019735-40e9-0310-863c-91ae7b9d1cf9> Fri Apr 24 10:05:23 2015 +0000
committer florian <florian@a5019735-40e9-0310-863c-91ae7b9d1cf9> Fri Apr 24 10:05:23 2015 +0000
tree d3711a00690555ebf91fb7ef88b246563e9ff8f7
parent 8510d000b884a414dfff9bc608e628de9cadca33

Check for any client stack segment. Rule out valgrind segments.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@15140 a5019735-40e9-0310-863c-91ae7b9d1cf9

coregrind/m_syswrap/syswrap-generic.c

diff --git a/coregrind/m_syswrap/syswrap-generic.c b/coregrind/m_syswrap/syswrap-generic.c
index e1f8a5b..cb3cfb1 100644
--- a/coregrind/m_syswrap/syswrap-generic.c
+++ b/coregrind/m_syswrap/syswrap-generic.c
@@ -79,7 +79,8 @@
       assume that sp starts near its highest possible value, and can
       only go down to the start of the mmaped segment. */
    seg = VG_(am_find_nsegment)(sp);
-   if (seg && seg->kind != SkResvn) {
+   if (seg &&
+       VG_(am_is_valid_for_client)(sp, 1, VKI_PROT_READ | VKI_PROT_WRITE)) {
       tst->client_stack_highest_byte = (Addr)VG_PGROUNDUP(sp)-1;
       tst->client_stack_szB = tst->client_stack_highest_byte - seg->start + 1;