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Fix stack overflow in tst-setcontext9 (bug 23717)

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The function f1a, executed on a stack of size 32k, allocates an object of
size 32k on the stack.  Make the stack variables static to reduce
excessive stack usage.
This commit is contained in:
Andreas Schwab 2018-09-27 11:12:13 +02:00
parent 6ca8284e7a
commit f841c97e51
2 changed files with 8 additions and 2 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2018-09-27 Andreas Schwab <schwab@suse.de>
[BZ #23717]
* stdlib/tst-setcontext9.c (f1a): Make st2 static.
(do_test): Make st1 static.
2018-09-26 Andreas Schwab <schwab@suse.de>
[BZ #23707]

4
stdlib/tst-setcontext9.c
View File

@ -58,7 +58,7 @@ f1b (void)
static void
f1a (void)
{
char st2[32768];
static char st2[32768];
puts ("start f1a");
if (getcontext (&ctx[2]) != 0)
{
@ -93,7 +93,7 @@ f1a (void)
static int
do_test (void)
{
char st1[32768];
static char st1[32768];
puts ("making contexts");
if (getcontext (&ctx[0]) != 0)
{