Date: Fri, 30 Nov 2018 10:06:41 +0000 From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 227720] Kernel panic in ppp server Message-ID: <bug-227720-7501-vru9OeYJPv@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-227720-7501@https.bugs.freebsd.org/bugzilla/> References: <bug-227720-7501@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=227720 --- Comment #45 from Franck Rousseau <Franck.Rousseau@imag.fr> --- (In reply to Andrey V. Elsukov from comment #44) [/usr/src]# svnlite info Path: . Working Copy Root Path: /usr/src URL: https://svn.freebsd.org/base/releng/11.2 Relative URL: ^/releng/11.2 Repository Root: https://svn.freebsd.org/base Repository UUID: ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f Revision: 341162 Node Kind: directory Schedule: normal Last Changed Author: gordon Last Changed Rev: 341093 Last Changed Date: 2018-11-27 20:45:25 +0100 (Tue, 27 Nov 2018) [/usr/src]# svnlite diff Index: sys/amd64/conf/GENERIC =================================================================== --- sys/amd64/conf/GENERIC (revision 341162) +++ sys/amd64/conf/GENERIC (working copy) @@ -82,6 +82,8 @@ # Debugging support. Always need this: options KDB # Enable kernel debugger support. options KDB_TRACE # Print a stack trace for a panic. +options DDB # Support DDB. +options GDB # Support remote GDB. # Make an SMP-capable kernel by default options SMP # Symmetric MultiProcessor Kernel Index: sys/net/if.c =================================================================== --- sys/net/if.c (revision 341162) +++ sys/net/if.c (working copy) @@ -1032,6 +1032,8 @@ if (iter == ifp) { TAILQ_REMOVE(&V_ifnet, ifp, if_link); found = 1; + if (!vmove) + ifp->if_flags |= IFF_DYING; break; } IFNET_WUNLOCK(); Index: sys/net/rtsock.c =================================================================== --- sys/net/rtsock.c (revision 341162) +++ sys/net/rtsock.c (working copy) @@ -1555,7 +1555,7 @@ info.rti_info[RTAX_NETMASK] = rtsock_fix_netmask(rt_key(rt), rt_mask(rt), &ss); info.rti_info[RTAX_GENMASK] = 0; - if (rt->rt_ifp) { + if (rt->rt_ifp && !(rt->rt_ifp->if_flags & IFF_DYING)) { info.rti_info[RTAX_IFP] = rt->rt_ifp->if_addr->ifa_addr; info.rti_info[RTAX_IFA] = rt->rt_ifa->ifa_addr; if (rt->rt_ifp->if_flags & IFF_POINTOPOINT) @@ -1913,8 +1913,10 @@ rnh = rt_tables_get_rnh(fib, i); if (rnh != NULL) { RIB_RLOCK(rnh); + IFNET_RLOCK_NOSLEEP(); error = rnh->rnh_walktree(&rnh->head, sysctl_dumpentry, &w); + IFNET_RUNLOCK_NOSLEEP(); RIB_RUNLOCK(rnh); } else if (af != 0) error = EAFNOSUPPORT; -- You are receiving this mail because: You are the assignee for the bug.help
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