Date: Thu, 28 Mar 2019 15:28:43 +0000 From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 236853] panic: page fault on rtsock.c Message-ID: <bug-236853-227@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D236853 Bug ID: 236853 Summary: panic: page fault on rtsock.c Product: Base System Version: CURRENT Hardware: i386 OS: Any Status: New Severity: Affects Many People Priority: --- Component: kern Assignee: bugs@FreeBSD.org Reporter: lenzi.sergio@gmail.com The system panics on /usr/src/sys/net/rtsock.c:839 and all references to ifp->if_addr->ifa_addr the pointer ifp->if_addr is invalid. some race condition occurs that releases the ifp->if_addr and when the code tries to = read the next pointer a page fault occurs.... sometimes it happens in /usr/src/sys/net/rtsock.c:1581 too how to reproduce: setup (1) a freebsd 12 or 13 as a ppp-in server (man ppp) using the setup in the example at http://www.k1.com.br/crash/ppp, than go to another freebsd a= nd using the ppptun.conf, connect to the (1) using the command ppp -ddial ppp= tun after several connects and disconnects, the (1) panics... sometimes the simple route get "any ppp address" is enough to panic the system. The resulting debug files of the panic is in the http://www.k1.com.br/crash --=20 You are receiving this mail because: You are the assignee for the bug.=
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