From nobody Thu Oct 08 20:44:01 2026 X-Original-To: dev-commits-src-all@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 4j125s5QkDz6wCr2 for ; Thu, 08 Oct 2026 20:44:01 +0000 (UTC) (envelope-from git@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 "YR2" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4j125s1whyz4blR for ; Thu, 08 Oct 2026 20:44:01 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1791492241; 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; bh=s+vE89r/j6zDIRyTGyqgUEpALtft+IPUtkeNEV9YWBA=; b=Kt3aIiUMN/OAfIVdELuSwYOc3VxT8R9fnlxajwEmVZuDJgJjt6In6qDVlHbpGSkoN0J8Ws hdM3mLkSsWMNNZSWFRIMo3t+LxOU1xI7O/EITiFV/fO497480V4nXyiu6Qhn+fxykvo2mm hJgFUN/jaegV60OoJRgTpavt2M89RNYtQVSe8eVnk49mPeSojj8E7FkM8wVeRgjO8/PMAm KAJEYJlyaa5O//hnuS2fs6tGYoNlymwjRgwhybU3ToVN8R4CrsGSE08FSPL1fl6Quo13DZ wvv/ynsMl4A0Z1M9Iif9nxKa//whn4ECvAb3FR4q5aDLo9ikH2ywon4ZGKyZ6w== ARC-Seal: i=1; a=rsa-sha256; d=freebsd.org; s=dkim; cv=none; t=1791492241; b=bdSZ99JQEZ0t5a53BJqKfMTQE2koqHnQwej2Hp/63+DDB8wuB6uYr+mik6aODN35rczuFe Xb8xkvRA3Mpt+iv+ztADeZ08379O5IsQLrr4Ju8k19OswrEoh2al3ceYT7Pp47bcNrqgND nROZkIS3XBduISmo4Y8QFPM805yYUhsBpI782VRGcXu/ArgmPHucz9QR3oqKi9VC9b7gyo Q2Qgr0sYWe+bJi8IahDFwEbd8Rbv7s514MGVVo04EjGuDklzPpCdh5SXvksolKgQOS1sat 9wCWD+HwONtbA8iOVI0WtdAqLtVFzuHA6d51oLF556/rrRCSb1Q7M0QFxZ9fnw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1791492241; 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; bh=s+vE89r/j6zDIRyTGyqgUEpALtft+IPUtkeNEV9YWBA=; b=jEJlzCCNOj7svZDmPBx7buWDzKGDApe+1Cs0G6TszxDNTHjlPFDentjHiTMzLJNge0qJ+x XC6p+B7j+9Z1NO9lra2VZ/eznTg08er7XXVpHA6J9N1BlRS0i+4Z53RefpftDNO0mnnYhB B0E9dcGBW6C2xEgk3VrGy/t3HZPayNhO3tv/DXbvot6I965dWCJPw3+mNqrAoj+beRcaF+ s2WvBTcKLQhfxW98cVcLMbaoAmdMh8eGEsmu9CIPuoA10xTsA33d6klN6avUZE8sZDJflu L8QX/DqazGOBZkDGdM4Ndt6ZoNjhUA4ASMvCI7WgbzyMic6Ic06n6ZcpdL6lhA== ARC-Authentication-Results: i=1; mx1.freebsd.org; none Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) by mxrelay.nyi.freebsd.org (Postfix) with ESMTP id 4j125s10GJzwmT for ; Thu, 08 Oct 2026 20:44:01 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from git (uid 1279) (envelope-from git@FreeBSD.org) id 31bc8 by gitrepo.freebsd.org (DragonFly Mail Agent v0.13+ on gitrepo.freebsd.org); Thu, 08 Oct 2026 20:44:01 +0000 To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org From: John Baldwin Subject: git: 28c6ba6f85da - stable/15 - libc: Reject static ELF exectables with PT_TLS segments were filesz > memsz List-Id: Commit messages for all branches of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-all List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: dev-commits-src-all@freebsd.org Sender: owner-dev-commits-src-all@FreeBSD.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: jhb X-Git-Repository: src X-Git-Refname: refs/heads/stable/15 X-Git-Reftype: branch X-Git-Commit: 28c6ba6f85dabe5bf9af4b0065bbf09f02ab1d5b Auto-Submitted: auto-generated Date: Thu, 08 Oct 2026 20:44:01 +0000 Message-Id: <6ac80091.31bc8.2b5e77df@gitrepo.freebsd.org> The branch stable/15 has been updated by jhb: URL: https://cgit.FreeBSD.org/src/commit/?id=28c6ba6f85dabe5bf9af4b0065bbf09f02ab1d5b commit 28c6ba6f85dabe5bf9af4b0065bbf09f02ab1d5b Author: John Baldwin AuthorDate: 2026-07-31 17:52:34 +0000 Commit: John Baldwin CommitDate: 2026-10-08 20:42:32 +0000 libc: Reject static ELF exectables with PT_TLS segments were filesz > memsz Reviewed by: jrtc27 Differential Revision: https://reviews.freebsd.org/D58558 (cherry picked from commit b9eaf9b7cef25228e8c20e3819f1b7be94f486aa) --- lib/libc/gen/tls.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/lib/libc/gen/tls.c b/lib/libc/gen/tls.c index b26b13d45589..e9f256d5e369 100644 --- a/lib/libc/gen/tls.c +++ b/lib/libc/gen/tls.c @@ -435,6 +435,10 @@ _init_tls(void) for (i = 0; (unsigned) i < phnum; i++) { if (phdr[i].p_type == PT_TLS) { + if (phdr[i].p_memsz < phdr[i].p_filesz) { + tls_msg("_init_tls: invalid PT_TLS segment.\n"); + abort(); + } libc_tls_static_space = roundup2(phdr[i].p_memsz, phdr[i].p_align); libc_tls_init_size = phdr[i].p_filesz;