From nobody Thu May 29 06:28:40 2025 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 4b7GfK0X32z5xr4T for ; Thu, 29 May 2025 06:28:41 +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 "R11" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4b7GfJ67W0z3MHv for ; Thu, 29 May 2025 06:28:40 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1748500120; 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=6inkMMYrZH2y7RtbDxvQu/T6xviJ5K9eM6xdR9XtRV8=; b=TgWxlNBiXIJEpe3ghkXce4yUxDCQDjvBGYq0AKRQ61rRVVvAVVoCCQo8a5nf3XWfDLj8qO PPFOVCozPxjGblfITApG2sPn1lJBSNEMvow+XOJJwX7/LKvq3toXSq7uZWYBbdbyUUFuGH IqnaKDabe8wo9KYFu/1x0soKv+I+sFZRtAfVEbxkzz2DImuGGdWFTMJGWkn1rCVS7XubnT 94Q/WihOfIB/LSU38+YZQwFc1fGet+LwBhY0uTb3iz1WbNAm3wQPbJIa8FjJol13DuWWHe x+QsbDgcmcAi3vTPsYwFfSW0JM0ToCJ4BGaBQcT6PUKzVMlKf3JlurVmbJvjIg== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1748500120; a=rsa-sha256; cv=none; b=qBR8fxt/yEuthfUZVG1JuVtpiqYhADQS9scnrOD3kgc8qMCaMvEMsNGahNKFtlgRwF494l KVZSYZt8Ei1Y+mcfP37/0qJ5FH9zv7+2jUh+yGNboeuc4K1LZn9KxM+MS++qwzIZVaA1Ey DecnVhn3VM7nY29ggUnECcr4soQbcsj9ShKGtKrt8q0pFW2Om64VXghtFI1O+TtOOX2gGG yvXbXTcRmN+gXiTYEGn0AnAURfmXe4ZvDukha3Ls4voixRFNmupvAJ+tbTVEmiitIvdqf7 lW2ZIAj8aW2QISfRJJjQnvR394sVSDZEK6nPMSvnRHS9rLPoV4u52mEHGFemHg== 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=1748500120; 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=6inkMMYrZH2y7RtbDxvQu/T6xviJ5K9eM6xdR9XtRV8=; b=yEDpffL4VTMDFPIntquRKaO6e8qSsrMPdJToSAuK3KWvp5O9H0QSMCUY3FbAC5AmpRxftc XiK+GEAqYXsYDBNitPsVmFXWZJVHUdes7PkypQmOHSE5608Rz2vHU2JvRDEGuVTQ55K7i0 Xbyt4AeoxUW19CXVVQfH9aF1f3GKe6f7WtFskjAYZ+9QXY2XuCbsg46hXH4ofO21SAnckf e4lY5m2WM1/wO58TH/GYQDCxlSOXLt8cxQTI4ODXEBv9zW+T/geafC3cVuju8pvm9dgoJ7 CFlbJ8+xv1cjPzikbvbKvbIfTxhAz7UYGg0tHNmxMWkRVI8x2CgugueDh6NzJQ== 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 4b7GfJ5B5Zz19gN for ; Thu, 29 May 2025 06:28:40 +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 54T6SeoQ019888 for ; Thu, 29 May 2025 06:28:40 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 54T6SewT019887 for bugs@FreeBSD.org; Thu, 29 May 2025 06:28:40 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 287050] Change in PTRACE_CONTINUE causing valgrind/vgdb to no longer be able to interrupt debuggee Date: Thu, 29 May 2025 06:28:40 +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: 15.0-CURRENT X-Bugzilla-Keywords: regression X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: pjfloyd@wanadoo.fr 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-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" 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=3D287050 --- Comment #12 from Paul Floyd --- (In reply to Konstantin Belousov from comment #11) Things are looking better now. The main issue now is that on aarch64 I get an assert. The vgdb invoker puts 0x8badf00d into x0 and then on the Valgrind side the VG_(invoke_gdbserver) function contains an assert that its one argument has this value. Instead it has a value of 4 so that assert fires. I'm not sure what is happening - ptrace(PT_SETREGS, pid, (caddr_t)regs, 0) isn't doing its job or x0 is gett= ing clobbered somehow between the PT_SETREGS ans the PT_CONTINUE. --=20 You are receiving this mail because: You are the assignee for the bug.=