Date: Sun, 06 Oct 2019 21:02:47 +0000 From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 241106] panic: vm_fault: fault on nofault entry Message-ID: <bug-241106-227@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=241106 Bug ID: 241106 Summary: panic: vm_fault: fault on nofault entry Product: Base System Version: 12.1-RELEASE Hardware: i386 OS: Any Status: New Severity: Affects Many People Priority: --- Component: kern Assignee: bugs@FreeBSD.org Reporter: lenzi.sergio@gmail.com system panic panic: vm_fault: fault on nofault entry, addr: 0 the system reboots, wrote crash files all available at http://www.k1.com.br/crash/ in summamy: it breaks at /usr/src/sys/net/rtsock.c:1579 1578 if (rt->rt_ifp && !(rt->rt_ifp->if_flags & IFF_DYING)) { 1579 info.rti_info[RTAX_IFP] = rt->rt_ifp->if_addr->ifa_addr; 1580 info.rti_info[RTAX_IFA] = rt->rt_ifa->ifa_addr; 1581 if (rt->rt_ifp->if_flags & IFF_POINTOPOINT) 1582 info.rti_info[RTAX_BRD] = rt->rt_ifa->ifa_dstaddr; 1583 } the pointer to rt->ifp->if_addr is NULL a race condition where the memory was freed by another code in the event of the interface (tun1) on a ppp connection over internet using ipv4 and ppp was brought down. All files can be seen/download from http://www.k1.com.br/crash The panic occurs also on the current Thanks for your attention. -- You are receiving this mail because: You are the assignee for the bug.help
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