Date: Fri, 22 Oct 2021 23:32:25 +0000 From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 259218] Fatal trap 12: page fault while in kernel mode Message-ID: <bug-259218-227-PzZ3Kj1if6@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-259218-227@https.bugs.freebsd.org/bugzilla/> References: <bug-259218-227@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D259218 --- Comment #17 from commit-hook@FreeBSD.org --- A commit in branch main references this bug: URL: https://cgit.FreeBSD.org/src/commit/?id=3D362c6d8dec6dfbedc5717e45769042279= a1dd3df commit 362c6d8dec6dfbedc5717e45769042279a1dd3df Author: Konstantin Belousov <kib@FreeBSD.org> AuthorDate: 2021-10-20 22:42:05 +0000 Commit: Konstantin Belousov <kib@FreeBSD.org> CommitDate: 2021-10-22 23:31:16 +0000 nehemiah: manually assemble xstore(-rng) It seems that clang IAS erronously adds repz prefix which should not be there. Cpu would try to store around %ecx bytes of random, while we only expect a word. PR: 259218 Reported and tested by: Dennis Clarke <dclarke@blastwave.org> Sponsored by: The FreeBSD Foundation MFC after: 1 week sys/dev/random/nehemiah.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --=20 You are receiving this mail because: You are the assignee for the bug.=
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