From owner-freebsd-bugs@freebsd.org Wed Jan 11 09:36:51 2017 Return-Path: Delivered-To: freebsd-bugs@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 9DDCBCAACC7 for ; Wed, 11 Jan 2017 09:36:51 +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 8DE0212DF for ; Wed, 11 Jan 2017 09:36:51 +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 v0B9apnw086885 for ; Wed, 11 Jan 2017 09:36:51 GMT (envelope-from bugzilla-noreply@freebsd.org) From: bugzilla-noreply@freebsd.org To: freebsd-bugs@FreeBSD.org Subject: [Bug 215963] panic after restart ppp process in nonzero FIB //locking problem ? Date: Wed, 11 Jan 2017 09:36:51 +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: CURRENT X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: devel@stasyan.com X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: freebsd-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: 2.1.23 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 11 Jan 2017 09:36:51 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D215963 Bug ID: 215963 Summary: panic after restart ppp process in nonzero FIB //locking problem ? Product: Base System Version: CURRENT Hardware: Any OS: Any Status: New Severity: Affects Only Me Priority: --- Component: kern Assignee: freebsd-bugs@FreeBSD.org Reporter: devel@stasyan.com This bug is introduce between March 2015 and November 2016: How to reproduce: setfib 1 ppp -quiet -ddial abcd //everything OK killall -9 ppp setfib 1 ppp -quiet -ddial abcd //kernel panic=20 Here is backtrace: (kgdb) bt #0 doadump (textdump=3D1) at pcpu.h:222 #1 0xffffffff80a3be25 in kern_reboot (howto=3D) at=20 /var/src/sys/kern/kern_shutdown.c:366 #2 0xffffffff80a3c400 in vpanic (fmt=3D, ap=3D) at /var/src/sys/kern/kern_shutdown.c:759 #3 0xffffffff80a3c236 in kassert_panic (fmt=3D) at=20 /var/src/sys/kern/kern_shutdown.c:649 #4 0xffffffff80a38622 in __rw_rlock (c=3D0xfffff80003dfeaf8, file=3D0xffffffff8141c14a=20 "/var/src/sys/net/route.c", line=3D457) at /var/src/sys/kern/kern_rwlock.c:= 411 #5 0xffffffff80b46e66 in rtalloc1_fib (dst=3D0xfffff800046b78b8, report=3D= 0,=20 ignflags=3D, fibnum=3D1) at /var/src/sys/net/route.c:4= 57 #6 0xffffffff80b481b3 in ifa_ifwithroute (flags=3D,=20 dst=3D0xfffff800046b7898, gateway=3D0xfffff800046b78b8, fibnum=3D1) at=20 /var/src/sys/net/route.c:752 #7 0xffffffff80b48be4 in rt_getifa_fib (info=3D0xfffffe00f61bf560, fibnum= =3D1) at=20 /var/src/sys/net/route.c:1298 #8 0xffffffff80b478af in rtrequest1_fib (req=3D,=20 info=3D0xfffffe00f61bf560, ret_nrt=3D, fibnum=3DCannot= access=20 memory at address 0x0 ) at /var/src/sys/net/route.c:1843 #9 0xffffffff80b4bc69 in route_output (m=3D, so=3D) at /var/src/sys/net/rtsock.c:683 #10 0xffffffff80aca485 in sosend_generic (so=3D, addr= =3D0x0,=20 uio=3D0xfffffe00f61bf8f0, top=3D, control=3D,=20 flags=3D, td=3D) at=20 /var/src/sys/kern/uipc_socket.c:1359 #11 0xffffffff80aa8542 in soo_write (fp=3D,=20 uio=3D0xfffffe00f61bf8f0, active_cred=3D, flags=3D, td=3D) at /var/src/sys/kern/sys_socket.c:146 #12 0xffffffff80a9fa44 in dofilewrite (td=3D0xfffff80004e0f000, fd=3D2,=20 fp=3D0xfffff80004763f00, auio=3D0xfffffe00f61bf8f0, offset=3D,=20 flags=3D0) at file.h:311 #13 0xffffffff80a9f6e8 in kern_writev (td=3D0xfffff80004e0f000, fd=3D2,=20 auio=3D0xfffffe00f61bf8f0) at /var/src/sys/kern/sys_generic.c:508 #14 0xffffffff80a9f674 in sys_write (td=3D, uap=3D) at /var/src/sys/kern/sys_generic.c:421 #15 0xffffffff80ea7b19 in amd64_syscall (td=3D0xfffff80004e0f000, traced=3D= 0) at=20 subr_syscall.c:135 #16 0xffffffff80e86efb in Xfast_syscall () at=20 /var/src/sys/amd64/amd64/exception.S:396 #17 0x0000000801dd9d9a in ?? () Previous frame inner to this frame (corrupt stack?) Current language: auto; currently minimal --=20 You are receiving this mail because: You are the assignee for the bug.=