From nobody Wed Feb 14 21:53:53 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 4TZsQn42mwz53XMv for ; Wed, 14 Feb 2024 21:53:53 +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 4TZsQm6h9Dz43MG for ; Wed, 14 Feb 2024 21:53:52 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1707947632; a=rsa-sha256; cv=none; b=giavSxtewlkragLxiE6zhBpoX/LkanUlj/1KMe5ZQaZ7t5ebz4Nnd7VykJN/vETYvsl8eD p4HZ2vuXTMG51g8JKjwlWgJpOE4HSU8B4otuOFjJHynzto5uY0TZVQVBYU90WA2wgjKf5h FY/4Nlkib6Ewemc4Zya5LqHEN1axOpNtGegG+mZcYlGhRqVJSwIbmLJZOoFJ2gEWefIvFS D7ReTuifxHuvJKnx09MG6f2onTM26mGoL99bqJe2N2WZ9vFfY7GU+ceUQ3hNRZS9l5FDBL k6ld/Q421zgCwosWfIiPEB9hXlrwHGr9UkRvdmR3GXjDQvng/mSC1fnlh3QBZw== 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=1707947632; 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=f+yexGCN2eIATTWZw1vk8X5auo/zaJW/l7S2p8ytR2g=; b=Fa+7GF96oHBTtxhW9tKKP7pLSZDhkhbOjy9HwxOIwEl13Fqq92xomtovEFlSOB14wqLwTK Hfn1SJlY4AwBwzRUR2XPS/NfzBKwE95diCr3t7I2ixYczjlHVO+lw46Uh6Ejs7Y6OWhof/ iUC/38r2MrbRGZ4aMfvDn3fm+4s6jXs0LaP2nMtANp8kCLaYl2MlSW085pveXtYxyPnFLz d25BYJTl1EX0qAGXLA0KrfZmzMRDUGJuB+tn4rjakC04+Qus4oYFM78fT8yRZGOvu7k/qX IGlQaKvWhhiWuhVYIDBDYLVr+ikKayOSySr4Q2G73q3W0oLSkTvHByzSjnjl8Q== 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 4TZsQm5lT9zG44 for ; Wed, 14 Feb 2024 21:53:52 +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 41ELrqtL084553 for ; Wed, 14 Feb 2024 21:53:52 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 41ELrqvB084552 for bugs@FreeBSD.org; Wed, 14 Feb 2024 21:53:52 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 277057] rights(4): Not all rights may be specified in a rights mask Date: Wed, 14 Feb 2024 21:53:53 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: bin X-Bugzilla-Version: 15.0-CURRENT X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Many People X-Bugzilla-Who: asomers@FreeBSD.org X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: bugs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version rep_platform op_sys bug_status bug_severity priority component assigned_to reporter Message-ID: 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=3D277057 Bug ID: 277057 Summary: rights(4): Not all rights may be specified in a rights mask Product: Base System Version: 15.0-CURRENT Hardware: Any OS: Any Status: New Severity: Affects Many People Priority: --- Component: bin Assignee: bugs@FreeBSD.org Reporter: asomers@FreeBSD.org rights(4) says: The following rights may be specified in a rights mask: and proceeds to list most of the CAP_* rights, excluding only the UNUSED on= es and the some of compounds (like CAP_SOCK_CLIENT). And software does use th= em that way, for example: bin/cat/cat.c 144: cap_rights_init(&rights, CAP_READ | CAP_FSTAT | CAP_FCNTL | CAP_SEEK), However, not all rights may be specified in a mask together. It appears, f= rom testing, that only rights whose index is 0 may be ORed with other rights wh= ose index is 0, and similarly for index 1. Attempting to violate this rule will trigger an assertion and abort the program: Assertion failed: (i >=3D 0), function cap_rights_vset, file /usr/home/somers/src/freebsd.org/src/sys/kern/subr_capability.c, line 188. Process with PID 3539 exited with signal 6 and dumped core; attempting to gather stack trace [New LWP 100728] Core was generated by `/usr/tests/sys/capsicum/rights -vdisks=3D/dev/vtbd1 /dev/vtbd2 /dev/vtbd3 /dev/vtb'. Program terminated with signal SIGABRT, Aborted. Sent by thr_kill() from pid 3539 and user 1000. #0 thr_kill () at thr_kill.S:4 4 RSYSCALL(thr_kill) #0 thr_kill () at thr_kill.S:4 #1 0x00003199593035d4 in __raise (s=3Ds@entry=3D6) at /usr/home/somers/src/freebsd.org/src/lib/libc/gen/raise.c:48 #2 0x00003199593b6999 in abort () at /usr/home/somers/src/freebsd.org/src/lib/libc/stdlib/abort.c:61 #3 0x00003199592e68a1 in __assert (func=3D, file=3D, line=3Dline@entry=3D188, failedexpr=3D) at /usr/home/somers/src/freebsd.org/src/lib/libc/gen/assert.c:47 #4 0x00003199593a93d0 in cap_rights_vset (rights=3Drights@entry=3D0x319957= 5d8c20, ap=3Dap@entry=3D0x3199575d8bc0) at /usr/home/somers/src/freebsd.org/src/sys/kern/subr_capability.c:188 #5 0x00003199593a9274 in __cap_rights_init (version=3Dversion@entry=3D0, rights=3Drights@entry=3D0x3199575d8c20) at /usr/home/somers/src/freebsd.org/src/sys/kern/subr_capability.c:260 #6 0x00003191372b3640 in atfu_orable_01_body (tc=3D) at /usr/home/somers/src/freebsd.org/src/tests/sys/capsicum/rights.c:142 #7 0x0000319958eccff7 in atf_tc_run (tc=3D0x3191372b5bf0 , resfile=3D) at /usr/home/somers/src/freebsd.org/src/contrib/atf/atf-c/tc.c:1054 #8 0x0000319958ecf0de in atf_tp_run (tp=3Dtp@entry=3D0x3199575d90e8, tcname=3Dtcname@entry=3D0x37fd6da09020 "orable_01", resfile=3D0x6 ) at /usr/home/somers/src/freebsd.org/src/contrib/atf/atf-c/tp.c:201 #9 0x0000319958ecfaae in run_tc (tp=3D0x3199575d90e8, p=3D0x3199575d9100, exitcode=3D) at /usr/home/somers/src/freebsd.org/src/contrib/atf/atf-c/detail/tp_main.c:504 #10 controlled_main (argc=3D5, argv=3D, add_tcs_hook=3D0x319= 1372b30a0 , exitcode=3D) at /usr/home/somers/src/freebsd.org/src/contrib/atf/atf-c/detail/tp_main.c:574 #11 atf_tp_main (argc=3D5, argv=3D, add_tcs_hook=3D0x3191372= b30a0 ) at /usr/home/somers/src/freebsd.org/src/contrib/atf/atf-c/detail/tp_main.c:604 #12 0x00003199592d806a in __libc_start1 (argc=3D5, argv=3D0x3199575da1b0, env=3D0x3199575da1e0, cleanup=3D, mainX=3D0x3191372b3080 ) at /usr/home/somers/src/freebsd.org/src/lib/libc/csu/libc_start1.c:157 #13 0x00003191372b2ffd in _start () at /usr/home/somers/src/freebsd.org/src/lib/csu/amd64/crt1_s.S:83 --=20 You are receiving this mail because: You are the assignee for the bug.=