From nobody Thu Oct 31 13:55:09 2024 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 4XfQVP6zy5z5bkn7 for ; Thu, 31 Oct 2024 13:55:09 +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 "R10" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4XfQVP4vRxz3xh8 for ; Thu, 31 Oct 2024 13:55:09 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1730382909; 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=KSyO3KLjwAK54YmRLwOEdwcK4wxjT4s8md6M5wlRmAQ=; b=kUPwkSNVV5Saukt8YVdEB0tv1nN3sb8v0v273ENHrg4ou0Yg5566XwE7U5hLtWCYzOjz2b 18A9KqvG4DDfSEaacmfOxFknCZbT4PBWPWu3X2idfkQ0cH8fEBtvdel62NMzoW/HfKdQ86 0B/UbOR6Ovs8uvhXLIWJEnhhroGtRfgL3l/b2IUUFEqV5CK7kN3l1Yrix6Dx0qiXXC1SBJ mlwKq9OVHlgPzcmHOKC3vJ++FBB4FTbQFBK3UjTN7HCJK9Xw6ZFC87IaSxF+G2Z+AwKrhA zzZpbHEw0uNl/D4RVxB/QrKyhVZn6qWnyHlblb6Z0Vcz6NVhxs1r/spD0gSG+Q== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1730382909; a=rsa-sha256; cv=none; b=vtA5+MhnFxS1oHidU5p3bR6zFvDu13KXUkAEf1okrpo+1yacPMybJaqdgwTNQ/kww9itmV +4n8YR6rsoaO1iuk9xrJqci8/SgPtC2iS7RrAygfCcY2BHbU/DzUxvQ3ZZxqYd67tVQspy GAfnQoI87/wkhtfKqm9GZJrXsjltItLLTm5Yg2ymaiSC4C+Vxsn8L8Xx9jQZWoYbo9Vpvx bF91tErUH9hwgczuzN7Ys8PswUw/FBEW/fmpk4iPLBKfMsXi1fLCXCPL8GwstQfgqK6veA 6sF8D4ERJsyB6Brz4Iq/S0E4+0/i7k8Vpd6yEjdE5n8bCD7mqYaZBwWoDw7pDg== 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 4XfQVP4NxMzfXG for ; Thu, 31 Oct 2024 13:55:09 +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 49VDt9HE087465 for ; Thu, 31 Oct 2024 13:55:09 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 49VDt9gO087464 for bugs@FreeBSD.org; Thu, 31 Oct 2024 13:55:09 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 282445] Wrong stack() info in dtrace Date: Thu, 31 Oct 2024 13:55:09 +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: 14.1-RELEASE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: markj@FreeBSD.org X-Bugzilla-Status: Closed X-Bugzilla-Resolution: Works As Intended 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=3D282445 --- Comment #3 from Mark Johnston --- To be clear, I do think this behaviour in dtrace is slightly wrong, but aga= in, it's hard to handle this correctly. hwpmc has the same problem. Looking at Linux's stack unwinder, while it's considerably more complex than ours, I c= an't see how it handles this either. Does bpftrace have the same problem? Maybe the stack offsets can be fixed up in userspace. --=20 You are receiving this mail because: You are the assignee for the bug.=