From nobody Tue Sep 19 15:43:03 2023 X-Original-To: bugs@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4RqmCC3WN8z4v47N for ; Tue, 19 Sep 2023 15:43:03 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4RqmCC1txlz4msn for ; Tue, 19 Sep 2023 15:43:03 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1695138183; a=rsa-sha256; cv=none; b=OiiG9rWQRPF2gbb86J6+cF34skLtVurlI4/FEwDk+EFTYbgbzTKhA6LAB1ru7CrnvTh0iF Sv2wwSSma9u90Gij16uPXY45Mo2MkOYJpVLmi+WGBOF8wHl2gQ7TAT0wh5HWLsWoMXYQQX Yw1XnjaltqmhZ0kz0ZUfk9iYaDDsPhhYUfEGin2U6gr6irzMFI/LKjVfRfmXL+AlJIZMCr N1kggUXMNfP5/72y7Rd4kB/PeSPT1/utcwhtTvOcKvaL7mWb5qY01dj2PXA3/E4PY2V0OC lS327AFtoVSCPn8CC/seKxKfoNylC9LhWDpuKPJdjJJiv0EaLSghM76z5tu2sQ== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1695138183; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=VegHGJkQfuPQlJh43hWhj0JIC7a+7jemlUL6i3v9tpA=; b=Tr6jx8iRjkZi9Of7hOUySGbz+gL3yWxED4V98LnQ7aJMuq7oZRfzeMYknYna9xYYg7P4AX yvcFoz81oNyu6dUXKZxEjn56M2sxF7UAc6UkS4sucrSFyONO45pdXFeLNoxmFYfLbaKDBF XdckG0ASpDT/dBOdSlC0IH/DhGa7gIEdKL0z4gD2F8VKg/64mSS1nr+Hks1ldyijGsddvS AULtkCSVkWqWDcaSghcjPlYlo0EmR/+88ueYDHYvDFrOqTGl0noCAvy0dqKdvSUU0V2Eo/ l7efS4mTVAs1GpU2MiseyT+CpcVyjWpouIqkEQeYyLqbLL/bQTzrhjgdYeW3yg== Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2610:1c1:1:606c::50:1d]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 4RqmCC0z8bz4R9 for ; Tue, 19 Sep 2023 15:43:03 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 38JFh3sY062126 for ; Tue, 19 Sep 2023 15:43:03 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 38JFh31r062125 for bugs@FreeBSD.org; Tue, 19 Sep 2023 15:43:03 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 273929] AArch64 machine-dependent code clobbers X0 in SIGTRAP from capsicum violations Date: Tue, 19 Sep 2023 15:43:03 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: CURRENT X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: kevans@freebsd.org X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: bugs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Bug reports List-Archive: https://lists.freebsd.org/archives/freebsd-bugs List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-bugs@freebsd.org MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D273929 --- Comment #7 from Kyle Evans --- (In reply to David Chisnall from comment #4) re: x10, I was mainly proposing its use within the kernel to decide what it needs to do with x0/x9, not something that an application can rely on. I'm = not sure that we have anywhere else useful in the trapframe to smuggle that kin= d of indication through from beginning to end of syscall handling. --=20 You are receiving this mail because: You are the assignee for the bug.=