From owner-freebsd-bugs@freebsd.org Tue Feb 11 22:14:18 2020 Return-Path: Delivered-To: freebsd-bugs@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 431262452F4 for ; Tue, 11 Feb 2020 22:14:18 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mailman.nyi.freebsd.org (mailman.nyi.freebsd.org [IPv6:2610:1c1:1:606c::50:13]) by mx1.freebsd.org (Postfix) with ESMTP id 48HHB218RVz4kYB for ; Tue, 11 Feb 2020 22:14:18 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: by mailman.nyi.freebsd.org (Postfix) id 2579A2452F3; Tue, 11 Feb 2020 22:14:18 +0000 (UTC) Delivered-To: bugs@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 2419F2452F2 for ; Tue, 11 Feb 2020 22:14:18 +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) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 48HHB203LMz4kY9 for ; Tue, 11 Feb 2020 22:14:18 +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) server-signature RSA-PSS (4096 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id ED0E2F233 for ; Tue, 11 Feb 2020 22:14:17 +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 01BMEHHm032003 for ; Tue, 11 Feb 2020 22:14:17 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 01BMEHEM032002 for bugs@FreeBSD.org; Tue, 11 Feb 2020 22:14:17 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 244053] `dtrace -c` causes program dumps core after somewhere between (r357694, r357701] Date: Tue, 11 Feb 2020 22:14:17 +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: CURRENT X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: lwhsu@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 MIME-Version: 1.0 X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 11 Feb 2020 22:14:18 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D244053 Bug ID: 244053 Summary: `dtrace -c` causes program dumps core after somewhere between (r357694, r357701] Product: Base System Version: CURRENT Hardware: Any OS: Any Status: New Severity: Affects Only Me Priority: --- Component: bin Assignee: bugs@FreeBSD.org Reporter: lwhsu@FreeBSD.org root@:~ # uname -a FreeBSD 13.0-CURRENT FreeBSD 13.0-CURRENT #0 r357694: Sun Feb 9 12:40:40 = UTC 2020=20=20=20=20 root@FreeBSD-head-amd64-build.jail.ci.FreeBSD.org:/usr/obj/usr/src/amd64.am= d64/sys/GENERIC amd64 root@:~ # dtrace -n 'syscall:::entry { @[execname, probefunc] =3D count(); = }' -c "echo hello" dtrace: description 'syscall:::entry ' matched 1130 probes dtrace: buffer size lowered to 1m dtrace: aggregation size lowered to 1m hello dtrace: pid 825 has exited dtrace close=20=20=20=20=20= =20=20=20=20=20=20=20=20=20=20=20=20=20=20=20 1 dtrace fstat=20=20=20=20=20= =20=20=20=20=20=20=20=20=20=20=20=20=20=20=20 1 dtrace open=20=20=20=20=20= =20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20 1 dtrace thr_exit=20=20=20=20= =20=20=20=20=20=20=20=20=20=20=20=20=20 1 echo cap_enter=20=20=20=20= =20=20=20=20=20=20=20=20=20=20=20=20 1 echo exit=20=20=20=20=20= =20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20 1 echo mmap=20=20=20=20=20= =20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20 1 echo mprotect=20=20=20=20= =20=20=20=20=20=20=20=20=20=20=20=20=20 1 echo writev=20=20=20=20=20= =20=20=20=20=20=20=20=20=20=20=20=20=20=20 1 dtrace _umtx_op=20=20=20=20= =20=20=20=20=20=20=20=20=20=20=20=20=20 2 dtrace mmap=20=20=20=20=20= =20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20 3 echo cap_fcntls_limit=20= =20=20=20=20=20=20=20=20 3 echo cap_ioctls_limit=20= =20=20=20=20=20=20=20=20 3 echo cap_rights_limit=20= =20=20=20=20=20=20=20=20 3 dtrace wait4=20=20=20=20=20= =20=20=20=20=20=20=20=20=20=20=20=20=20=20=20 4 dtrace __sysctl=20=20=20=20= =20=20=20=20=20=20=20=20=20=20=20=20=20 5 dtrace write=20=20=20=20=20= =20=20=20=20=20=20=20=20=20=20=20=20=20=20=20 6 echo sigprocmask=20=20=20= =20=20=20=20=20=20=20=20=20=20=20 7 dtrace sigaction=20=20=20=20= =20=20=20=20=20=20=20=20=20=20=20=20 10 dtrace __sysctlbyname=20=20= =20=20=20=20=20=20=20=20=20 17 dtrace sigprocmask=20=20=20= =20=20=20=20=20=20=20=20=20=20=20 20 dtrace ptrace=20=20=20=20=20= =20=20=20=20=20=20=20=20=20=20=20=20=20=20 22 dtrace ioctl=20=20=20=20=20= =20=20=20=20=20=20=20=20=20=20=20=20=20=20=20 41 root@:~ # uname -a FreeBSD 13.0-CURRENT FreeBSD 13.0-CURRENT #0 r357701: Sun Feb 9 13:32:35 = UTC 2020=20=20=20=20 root@FreeBSD-head-amd64-build.jail.ci.FreeBSD.org:/usr/obj/usr/src/amd64.am= d64/sys/GENERIC amd64 root@:~ # dtrace -n 'syscall:::entry { @[execname, probefunc] =3D count(); = }' -c "echo hello" dtrace: failed to control pid 800: process died from signal 11 root@:~ # dtrace -n 'syscall:::entry { @[execname, probefunc] =3D count(); = }' -c "ls /" dtrace: failed to control pid 790: process died from signal 11 root@:~ # lldb /usr/lib/debug/bin/ls.debug -c ls.core=20 (lldb) target create "/usr/lib/debug/bin/ls.debug" --core "ls.core" Core file '/root/ls.core' (x86_64) was loaded. (lldb) bt * thread #1, name =3D 'ls', stop reason =3D signal SIGSEGV * frame #0: 0x0000000000000000 --=20 You are receiving this mail because: You are the assignee for the bug.=