From owner-freebsd-net@freebsd.org Tue Jul 19 13:36:47 2016 Return-Path: Delivered-To: freebsd-net@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 2BFBDB9E1E1 for ; Tue, 19 Jul 2016 13:36:47 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2001:1900:2254:206a::16:76]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 1A443169A for ; Tue, 19 Jul 2016 13:36:47 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from bugs.freebsd.org ([127.0.1.118]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id u6JDakle058209 for ; Tue, 19 Jul 2016 13:36:46 GMT (envelope-from bugzilla-noreply@freebsd.org) From: bugzilla-noreply@freebsd.org To: freebsd-net@FreeBSD.org Subject: [Bug 211031] [panic] in ng_uncallout when argument is NULL Date: Tue, 19 Jul 2016 13:36:47 +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: crash, needs-qa, patch X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: dim@FreeBSD.org X-Bugzilla-Status: Open X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: freebsd-net@FreeBSD.org X-Bugzilla-Flags: mfc-stable10? mfc-stable11? 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-net@freebsd.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 19 Jul 2016 13:36:47 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D211031 Dimitry Andric changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |dim@FreeBSD.org --- Comment #2 from Dimitry Andric --- Similar panic here on stable/11 r302854, with a slightly different backtrac= e: #0 __curthread () at ./machine/pcpu.h:221 #1 doadump (textdump=3D) at /home/dim/stable-11/sys/kern/kern_shutdown.c:298 #2 0xffffffff80ae663a in kern_reboot (howto=3D260) at /home/dim/stable-11/sys/kern/kern_shutdown.c:366 #3 0xffffffff80ae6beb in vpanic (fmt=3D, ap=3D0xfffffe04538= b3180) at /home/dim/stable-11/sys/kern/kern_shutdown.c:759 #4 0xffffffff80ae6a23 in panic (fmt=3D) at /home/dim/stable-11/sys/kern/kern_shutdown.c:690 #5 0xffffffff80fb3020 in trap_fatal (frame=3D0xfffffe04538b3480, eva=3D16)= at /home/dim/stable-11/sys/amd64/amd64/trap.c:841 #6 0xffffffff80fb3213 in trap_pfault (frame=3D0xfffffe04538b3480, usermode= =3D0) at /home/dim/stable-11/sys/amd64/amd64/trap.c:691 #7 0xffffffff80fb27bd in trap (frame=3D0xfffffe04538b3480) at /home/dim/stable-11/sys/amd64/amd64/trap.c:442 #8 #9 ng_uncallout (c=3D0xfffff80019f21e60, node=3D0xfffff80019db3000) at /home/dim/stable-11/sys/modules/netgraph/netgraph/../../../netgraph/ng_base= .c:3817 #10 0xffffffff82fbebbc in ng_pptpgre_reset (hpriv=3D0xfffff80019f21e00) at /home/dim/stable-11/sys/modules/netgraph/pptpgre/../../../netgraph/ng_pptpg= re.c:966 #11 ng_pptpgre_disconnect (hook=3D) at /home/dim/stable-11/sys/modules/netgraph/pptpgre/../../../netgraph/ng_pptpg= re.c:493 #12 0xffffffff82f9f928 in ng_destroy_hook (hook=3D0xfffff80019e4fe80) at /home/dim/stable-11/sys/modules/netgraph/netgraph/../../../netgraph/ng_base= .c:1219 #13 0xffffffff82f9f635 in ng_rmnode (node=3D, dummy1=3D, dummy2=3D, dummy3=3D) at /home/dim/stable-11/sys/modules/netgraph/netgraph/../../../netgraph/ng_base= .c:744 #14 0xffffffff82fa1843 in ng_generic_msg (here=3D0xfffff80019db3000, item=3D0xfffff801ab2a7e80, lasthook=3D) at /home/dim/stable-11/sys/modules/netgraph/netgraph/../../../netgraph/ng_base= .c:2523 #15 ng_apply_item (node=3D0xfffff80019db3000, item=3D0xfffff801ab2a7e80, rw= =3D1) at /home/dim/stable-11/sys/modules/netgraph/netgraph/../../../netgraph/ng_base= .c:2437 #16 0xffffffff82fa11b3 in ng_snd_item (item=3D, flags=3D) at /home/dim/stable-11/sys/modules/netgraph/netgraph/../../../netgraph/ng_base= .c:2320 #17 0xffffffff82f9bc4e in ngc_send (so=3D, flags=3D, m=3D, addr=3D, control=3D, td= =3D) at /home/dim/stable-11/sys/modules/netgraph/socket/../../../netgraph/ng_socket= .c:338 #18 0xffffffff80b80ea7 in sosend_generic (so=3D, addr=3D, uio=3D, top=3D, control=3D, flags=3D, td=3D) at /home/dim/stable-11/sys/kern/uipc_socket.c:1359 #19 0xffffffff80b88b7b in kern_sendit (td=3D, s=3D, mp=3D, flags=3D0, control=3D0x0, segflg=3DUIO_USERSPACE) at /home/dim/stable-11/sys/kern/uipc_syscalls.c:848 #20 0xffffffff80b88f7f in sendit (td=3D0xfffff80019f01500, s=3D, mp=3D0xfffffe04538b3960, flags=3D) at /home/dim/stable-11/sys/kern/uipc_syscalls.c:775 #21 0xffffffff80b88dcd in sys_sendto (td=3D0x0, uap=3D) at /home/dim/stable-11/sys/kern/uipc_syscalls.c:899 #22 0xffffffff80fb397e in syscallenter (td=3D, sa=3D) at /home/dim/stable-11/sys/amd64/amd64/../../kern/subr_syscall.c:135 #23 amd64_syscall (td=3D, traced=3D0) at /home/dim/stable-11/sys/amd64/amd64/trap.c:942 #24 #25 0x0000000802518caa in ?? 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