Date: Tue, 12 Nov 2019 14:35:16 +0000 From: bugzilla-noreply@freebsd.org To: toolchain@FreeBSD.org Subject: [Bug 241905] SSP setup is not thread-safe ? Message-ID: <bug-241905-29464-YTKy32lpXN@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-241905-29464@https.bugs.freebsd.org/bugzilla/> References: <bug-241905-29464@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D241905 Kyle Evans <kevans@freebsd.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Attachment #209102|text/x-csrc |text/plain mime type| | --- Comment #7 from Kyle Evans <kevans@freebsd.org> --- Created attachment 209102 --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=3D209102&action= =3Dedit minimal reproducer-ish Attaching a minimal producer- obviously your mileage may vary, compiled wit= h " cc -fstack-protector-all -O0 -static -pthread repro.c" for optimal effect, = then ran in a loop `for i in $(seq 1 100); do ./a.out; done` because I wasn't su= re how to tune it more effectively when I'm trying to get it to race against a constructor in libc. Adding more runtime to the misnamed ssp_canary_killer would also help reproduce, but that takes more energy. --=20 You are receiving this mail because: You are the assignee for the bug.=
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