From nobody Fri Mar 13 00:30:38 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 4fX54G5L7fz6V244 for ; Fri, 13 Mar 2026 00:30:38 +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 "R12" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4fX54G3TBqz3DSt for ; Fri, 13 Mar 2026 00:30:38 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1773361838; 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=1MD8lqDZG0j6KDuDoYdX+T4EZc4a4/RJVBnQsamJbXo=; b=ehNsyoZ7ZsAe2woACnQKS0RlHNGmFq9GnP7aPlC1eskQXKheORjAZCBl/4K7zW5v8vMreD bpr+XwMPo919uY5jjJuGeAIIX0s4IGIFrY76MXpQuf7SnAv6umEOuPDBiXvYzG7Hg9JTdb JGSBEgHrsy6EMXompqv57ORO36KcQvylQ4MeGcSw97QLUfqAujKqcViziSno0rA+r+fsdh tS55FRy6DU+Jgsee2UxRpovSgaCQkSS7h0RfyzD4YtZzdXqFhbv7ITC0jR1AXkie5UuMpu qV8Pq0bwwMOrf4oKbDkaf99h/vkn1yATlO973pbkS8Ly3u2UDecFluJCq5IlXQ== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1773361838; a=rsa-sha256; cv=none; b=o2BHCqs/7MQuyb4nbG/DK7VMNYbjxH9pZd2aIHGahRFysRGrZGQr4Vy1Hc6qzAkyTKQiyz RPgYD1NWGf6GeS8VvPdeouBeQnEl6VF7q6BTL04Unanvu5ZUdngesNg6SKnaAtfA7gdbLX WXvnGWU3tRHZ2TTUMSZh2YdIOvSPX5zL6TRIfQVlHq1+uMl9y5fdHilg07LVVYDmPx8Tbw LbVougegAy2WFLX6VDbVYhK5I4XCLUSn0PXKiGVQ7PDQAq8RSV0HqB7OfXfAMCWj6+NdZP IMtdlSkXmssndchPdS0rNPZo45FJ5IIjekVwlA3+MWzLaeT2kxXuvhhyAX4QEA== 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=1773361838; 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=1MD8lqDZG0j6KDuDoYdX+T4EZc4a4/RJVBnQsamJbXo=; b=fKOygY6YVTa/7Mjh5J6VRlnEVNVXNREJoMi2nLPnYqIYJ2oEbkTLbv9VNpPI57651l69cT C0my3ksvmG2qEz38bsBYl0xBcwCJd1Eb+L5uRyc4THqaKPa4y6Ng8IBjPEGRfC3MJabJ8C 6Kw7ie6J1bhcO4CBiTO5jKE/ohsCv06W83fmz/n6UVVPmgkldqcD3EAio1WArN64Wfy9f4 H1HRQX4YEoVMwyHZghvDf0Ath1WLRA1PpmUYpVB7/rqNdKUu7cvMxAduo84MEB6/tN7WKd 1RIhp6W74vrPaj7xnmDv5In4piZwvvuCBJr1fxUIs+64H3Vj2oYUQS8da+rX0A== Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) by mxrelay.nyi.freebsd.org (Postfix) with ESMTP id 4fX54G31x9z17Sw for ; Fri, 13 Mar 2026 00:30:38 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from git (uid 1279) (envelope-from git@FreeBSD.org) id 27420 by gitrepo.freebsd.org (DragonFly Mail Agent v0.13+ on gitrepo.freebsd.org); Fri, 13 Mar 2026 00:30:38 +0000 To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: Ed Maste Subject: git: 9a9f93bcf1aa - main - compat/linux: Avoid waitid() kernel stack disclosure 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 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: emaste X-Git-Repository: src X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: 9a9f93bcf1aa0059d759b2f3ea6faeb2760a11bd Auto-Submitted: auto-generated Date: Fri, 13 Mar 2026 00:30:38 +0000 Message-Id: <69b35aae.27420.5f3155ff@gitrepo.freebsd.org> The branch main has been updated by emaste: URL: https://cgit.FreeBSD.org/src/commit/?id=9a9f93bcf1aa0059d759b2f3ea6faeb2760a11bd commit 9a9f93bcf1aa0059d759b2f3ea6faeb2760a11bd Author: Ed Maste AuthorDate: 2026-03-10 13:53:46 +0000 Commit: Ed Maste CommitDate: 2026-03-13 00:30:17 +0000 compat/linux: Avoid waitid() kernel stack disclosure Reported by: Adam Crosser, Praetorian Reviewed by: philip Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D55812 --- sys/compat/linux/linux_misc.c | 1 + 1 file changed, 1 insertion(+) diff --git a/sys/compat/linux/linux_misc.c b/sys/compat/linux/linux_misc.c index 69fb9935a9ae..937b010c8435 100644 --- a/sys/compat/linux/linux_misc.c +++ b/sys/compat/linux/linux_misc.c @@ -750,6 +750,7 @@ linux_common_wait(struct thread *td, idtype_t idtype, int id, int *statusp, error = linux_copyout_rusage(&wru.wru_self, rup); if (error == 0 && infop != NULL && td->td_retval[0] != 0) { sig = bsd_to_linux_signal(siginfo.si_signo); + memset(&lsi, 0, sizeof(lsi)); siginfo_to_lsiginfo(&siginfo, &lsi, sig); error = copyout(&lsi, infop, sizeof(lsi)); }