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* c/10127: -fstack-check enforces wrong limit on main thread, works fine on other threads
@ 2003-03-18 0:16 dank
0 siblings, 0 replies; only message in thread
From: dank @ 2003-03-18 0:16 UTC (permalink / raw)
To: gcc-gnats
>Number: 10127
>Category: c
>Synopsis: -fstack-check enforces wrong limit on main thread, works fine on other threads
>Confidential: no
>Severity: non-critical
>Priority: medium
>Responsible: unassigned
>State: open
>Class: sw-bug
>Submitter-Id: net
>Arrival-Date: Tue Mar 18 00:16:00 UTC 2003
>Closed-Date:
>Last-Modified:
>Originator: dank@kegel.com
>Release: gcc-2.9x, gcc-3.2
>Organization:
>Environment:
Red Hat 8.0, Pentium 3
>Description:
Compiling the following program with -fstack-check
int main(int argc, char **argv)
{
char foo[2417];
exit(0);
}
yields a SIGSEGV unless you reduce the size of foo below
2417 bytes. See http://www.kegel.com/stackcheck for full
writeup. Workaround is to not use more than 2KB of stack
in the main thread when compiling with -fstack-check.
>How-To-Repeat:
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted:
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2003-03-18 0:16 c/10127: -fstack-check enforces wrong limit on main thread, works fine on other threads dank
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