From owner-freebsd-bugs@freebsd.org Tue Mar 17 14:52:23 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 0D578268E19 for ; Tue, 17 Mar 2020 14:52:23 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mailman.nyi.freebsd.org (unknown [127.0.1.3]) by mx1.freebsd.org (Postfix) with ESMTP id 48hbjy587cz4J6c for ; Tue, 17 Mar 2020 14:52:22 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: by mailman.nyi.freebsd.org (Postfix) id A6D9A268E18; Tue, 17 Mar 2020 14:52:22 +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 A6997268E17 for ; Tue, 17 Mar 2020 14:52:22 +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 48hbjy2gprz4J60 for ; Tue, 17 Mar 2020 14:52:22 +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 20DA1AD8F for ; Tue, 17 Mar 2020 14:52:22 +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 02HEqMHZ012874 for ; Tue, 17 Mar 2020 14:52:22 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 02HEqMOv012873 for bugs@FreeBSD.org; Tue, 17 Mar 2020 14:52:22 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 223813] [mps] page fault in mps_user_pass_thru() -> copyout() on 11.1-RELEASE-p4, sys/dev/mps/mps_user.c:1040 Date: Tue, 17 Mar 2020 14:52:21 +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: 11.1-RELEASE X-Bugzilla-Keywords: panic X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: farrokhi@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: cc 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 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, 17 Mar 2020 14:52:23 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D223813 Babak Farrokhi changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |farrokhi@FreeBSD.org --- Comment #3 from Babak Farrokhi --- You could easily reproduce it by calling `sas2ircu LABEL` sub-command on any vdev in a zpool. It does not happen (in my case) if physical disk is not in= a zpool.=20 Some more information taken from vmcore: (kgdb) bt #0 doadump () at pcpu.h:234 #1 0xffffffff80b050e8 in kern_reboot (howto=3D260) at /usr/src/sys/kern/kern_shutdown.c:388 #2 0xffffffff80b05508 in vpanic (fmt=3D, ap=3D) at /usr/src/sys/kern/kern_shutdown.c:781 #3 0xffffffff80b05343 in panic (fmt=3D) at /usr/src/sys/kern/kern_shutdown.c:712 #4 0xffffffff80dfc2c6 in vm_fault_hold (map=3D, vaddr=3D, fault_type=3D,=20 fault_flags=3D, m_hold=3D) at /usr/src/sys/vm/vm_fault.c:561 #5 0xffffffff80df9db5 in vm_fault (map=3D0xfffff80003000000, vaddr=3D, fault_type=3D1 '\001', fault_flags=3D0) at /usr/src/sys/vm/vm_fault.c:512 #6 0xffffffff80f89675 in trap_pfault (frame=3D0xfffffe085b757610, usermode= =3D0) at /usr/src/sys/amd64/amd64/trap.c:805 #7 0xffffffff80f88bdd in trap (frame=3D0xfffffe085b757610) at /usr/src/sys/amd64/amd64/trap.c:438 #8 0xffffffff80f68d9c in calltrap () at /usr/src/sys/amd64/amd64/exception.S:231 #9 0xffffffff80f8696e in copyout () at /usr/src/sys/amd64/amd64/support.S:= 254 #10 0xffffffff8069c502 in mps_ioctl (dev=3D, cmd=3D, arg=3D) at /usr/src/sys/dev/mps/mps_user.c:1040 #11 0xffffffff809d24a8 in devfs_ioctl_f (fp=3D0xfffff80010ed3320, com=3D322= 4914180, data=3D0xfffffe085b7578d0, cred=3D0xfffff80100e65e00, td=3D0xfffff800251f50= 00) at /usr/src/sys/fs/devfs/devfs_vnops.c:791 #12 0xffffffff80b68637 in kern_ioctl (td=3D0xfffff800251f5000, fd=3D5, com=3D3224914180, data=3D) at src/sys/sys/file.h:323 #13 0xffffffff80b6835b in sys_ioctl (td=3D0xfffff800251f5000, uap=3D0xfffff800251f5538) at /usr/src/sys/kern/sys_generic.c:745 #14 0xffffffff80f8a5f6 in amd64_syscall (td=3D0xfffff800251f5000, traced=3D= 0) at src/sys/amd64/amd64/../../kern/subr_syscall.c:132 #15 0xffffffff80f6967d in fast_syscall_common () at /usr/src/sys/amd64/amd64/exception.S:494 #16 0x0000000000446adc in ?? () Previous frame inner to this frame (corrupt stack?) Frame 10: (kgdb) up #10 0xffffffff8069c502 in mps_ioctl (dev=3D, cmd=3D, arg=3D) at /usr/src/sys/dev/mps/mps_user.c:1040 1040 copyout(cm->cm_reply, PTRIN(data->PtrReply), data->ReplySize); Current language: auto; currently minimal (kgdb) list 1035 mps_printf(sc, "%s: user reply buffer (%d) smaller " 1036 "than returned buffer (%d)\n", __func__, 1037 data->ReplySize, sz); 1038 } 1039 mps_unlock(sc); 1040 copyout(cm->cm_reply, PTRIN(data->PtrReply), data->ReplySize); 1041 mps_lock(sc); 1042=20=20=20=20 1043 if ((function =3D=3D MPI2_FUNCTION_SCSI_IO_REQUEST)= || 1044 (function =3D=3D MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)) { Frame 11: (kgdb) up #11 0xffffffff809d24a8 in devfs_ioctl_f (fp=3D0xfffff80010ed3320, com=3D322= 4914180, data=3D0xfffffe085b7578d0, cred=3D0xfffff80100e65e00, td=3D0xfffff800251f50= 00) at /usr/src/sys/fs/devfs/devfs_vnops.c:791 791 error =3D dsw->d_ioctl(dev, com, data, fp->f_flag, td); (kgdb) list 786 error =3D copyout(p, fgn->buf, i); 787 td->td_fpop =3D fpop; 788 dev_relthread(dev, ref); 789 return (error); 790 } 791 error =3D dsw->d_ioctl(dev, com, data, fp->f_flag, td); 792 td->td_fpop =3D NULL; 793 dev_relthread(dev, ref); 794 if (error =3D=3D ENOIOCTL) 795 error =3D ENOTTY; --=20 You are receiving this mail because: You are the assignee for the bug.=