From nobody Tue Jul 12 16:24:08 2022 X-Original-To: net@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 A5EF91D25C36 for ; Tue, 12 Jul 2022 16:24:09 +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 "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4Lj5fx3mCLz3PsQ for ; Tue, 12 Jul 2022 16:24:09 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) 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 4Lj5fx2qZLzr2V for ; Tue, 12 Jul 2022 16:24:09 +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 26CGO98b043262 for ; Tue, 12 Jul 2022 16:24:09 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 26CGO9ea043261 for net@FreeBSD.org; Tue, 12 Jul 2022 16:24:09 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: net@FreeBSD.org Subject: [Bug 265154] tcp: syncache_expand() potential race Date: Tue, 12 Jul 2022 16:24:08 +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: tuexen@freebsd.org X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: net@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: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@freebsd.org MIME-Version: 1.0 ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1657643049; 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=IA7CP0gxt9mBBVIKcvNbLXNtKfGCKx4PlrAidEVM4z0=; b=Oe41pw/zcjot6oxqLYSVrjsXZIT2oG+OJSwKJOOVzk1j4B3w03kz6uWaGKSvZTIlWgAVlr 72pl0XP+wzSUp1jre97iq6vau4pRCpD5HWtX47+UtnWVkdArlVU02YcV56GixFJZQKN2dn Y+uG6R4IAMdMRFGJ6XBuk4qrgXPyXOK0MsbUI/DPDqZ7iFLi91a0kOy8eD6UhRpjpHie9a ydwdj+JumdH8XeJgzIekZNM7ygHcYgyjHjqeq9RTmDsf+0HhyX74Uqpe1VHaVI+zKaUY6O ntLkwXNesfIJazEEgkksma1dQ3O0SWoPRBELY2ICoBBS5mM6k8epyHvOq5pFEA== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1657643049; a=rsa-sha256; cv=none; b=OSR9iw3dZch1IAWImjSiAqpunNKsp4AbGRBhjaDM7HMiLCGNdyzU1Z++/LX/438WRpiwpc 8iEOaQWrGDXUTfLfVVI/xYFV97C4tZm1ATPd1WNKUHGin4TTpqU2kfyqW5Eco1rhhCv+TW ktydpuE+/0u1uS9lOpSbRxjFR2ywtJ9+3QCGMNS/RYNoPR1vXFHkAC1F45E7lf2vrkjvr7 ZjZ+Pd7PJk9ABWhiAFGEHvNyTPtxgu1Eu6yFs/MWGvWHlw1fI+QngMFsNTugBUPOTx3oMj Wji0W7D6ltVznaHmt1814KCTfoLO7j9gc0P7IAFx2sE13Wi5WbcWBen/hI2dYw== ARC-Authentication-Results: i=1; mx1.freebsd.org; none X-ThisMailContainsUnwantedMimeParts: N https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D265154 --- Comment #3 from Michael Tuexen --- (In reply to Kristof Provost from comment #2) It is great that we have a reproducer. I added Gleb, since we were discussi= ng this in review D35730. My fix was wrong as indicated by Gleb, but I think y= ou found a way to hit the race condition. --=20 You are receiving this mail because: You are the assignee for the bug.=