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From: dank@kegel.com To: gcc-gnats@gcc.gnu.org Subject: c/10127: -fstack-check enforces wrong limit on main thread, works fine on other threads Date: Tue, 18 Mar 2003 00:16:00 -0000 [thread overview] Message-ID: <20030318001222.18036.qmail@sources.redhat.com> (raw) >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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