From owner-freebsd-bugs@freebsd.org Sun Dec 13 12:52:02 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 6723A4B84CF for ; Sun, 13 Dec 2020 12:52:02 +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 4Cv4D22BRdz3p3x for ; Sun, 13 Dec 2020 12:52:02 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: by mailman.nyi.freebsd.org (Postfix) id 4B22F4B84CE; Sun, 13 Dec 2020 12:52:02 +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 4AEBD4B8250 for ; Sun, 13 Dec 2020 12:52:02 +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 "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4Cv4D21c8qz3nfX for ; Sun, 13 Dec 2020 12:52:02 +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 2A6267F88 for ; Sun, 13 Dec 2020 12:52:02 +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 0BDCq2Wj041267 for ; Sun, 13 Dec 2020 12:52:02 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 0BDCq2VM041266 for bugs@FreeBSD.org; Sun, 13 Dec 2020 12:52:02 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 251803] rctl -a user:test:readiops:throttle=0/user crash the system Date: Sun, 13 Dec 2020 12:52:02 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 12.2-RELEASE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: chris@cretaforce.gr 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: 2.1.34 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 13 Dec 2020 12:52:02 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D251803 Bug ID: 251803 Summary: rctl -a user:test:readiops:throttle=3D0/user crash the system Product: Base System Version: 12.2-RELEASE Hardware: amd64 OS: Any Status: New Severity: Affects Only Me Priority: --- Component: kern Assignee: bugs@FreeBSD.org Reporter: chris@cretaforce.gr When I run: rctl -a user:test:readiops:throttle=3D0/user the system crash: Fatal trap 18: integer divide fault while in kernel mode cpuid =3D 4; apic id =3D 04 instruction pointer =3D 0x20:0xffffffff80bb2fb7 stack pointer =3D 0x28:0xfffffe00c5b42200 frame pointer =3D 0x28:0xfffffe00c5b422a0 code segment =3D base 0x0, limit 0xfffff, type 0x1b =3D DPL 0, pres 1, long 1, def32 0, gran 1 processor eflags =3D interrupt enabled, resume, IOPL =3D 0 current process =3D 53057 (bash) trap number =3D 18 panic: integer divide fault cpuid =3D 4 time =3D 1607862919 KDB: stack backtrace: #0 0xffffffff80c0a8f5 at kdb_backtrace+0x65 #1 0xffffffff80bbeb1b at vpanic+0x17b #2 0xffffffff80bbe993 at panic+0x43 #3 0xffffffff8108f911 at trap_fatal+0x391 #4 0xffffffff8108ed97 at trap+0x67 #5 0xffffffff81066f38 at calltrap+0x8 #6 0xffffffff80bb03df at racct_add_buf+0x26f #7 0xffffffff80c6c0ea at breadn_flags+0xda #8 0xffffffff80c70a5f at vfs_bio_getpages+0x33f #9 0xffffffff80ed01a7 at ffs_getpages+0x77 #10 0xffffffff8124911b at VOP_GETPAGES_APV+0x7b #11 0xffffffff80f1c932 at vnode_pager_getpages+0x72 #12 0xffffffff80f13382 at vm_pager_get_pages+0x22 #13 0xffffffff80b78018 at exec_map_first_page+0x2a8 #14 0xffffffff80b76965 at kern_execve+0x2c5 #15 0xffffffff80b7635c at sys_execve+0x4c #16 0xffffffff810904c7 at amd64_syscall+0x387 #17 0xffffffff8106785e at fast_syscall_common+0xf8 Uptime: 3m41s --=20 You are receiving this mail because: You are the assignee for the bug.=