Date: Mon, 25 Jan 2016 15:31:32 +0000 From: bugzilla-noreply@freebsd.org To: freebsd-bugs@FreeBSD.org Subject: [Bug 206613] dhcpcd 6.10.1 crashes the 10.2-RELEASE kernel. Message-ID: <bug-206613-8@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=206613 Bug ID: 206613 Summary: dhcpcd 6.10.1 crashes the 10.2-RELEASE kernel. Product: Base System Version: 10.2-RELEASE Hardware: amd64 OS: Any Status: New Severity: Affects Only Me Priority: --- Component: kern Assignee: freebsd-bugs@FreeBSD.org Reporter: g_amanakis@yahoo.com CC: freebsd-amd64@FreeBSD.org CC: freebsd-amd64@FreeBSD.org dhcpcd 6.10.1 and more specifically [6b2a5402c4] causes a kernel panic on FreeBSD 10.2 when starting a VNET iocage jail. The system runs a GENERIC kernel with VIMAGE and IPSEC enabled. Reverting this resolves the problem. /var/log/messsages: 3 Jan 24 19:30:42 x3200 kernel: vnet0:1: link state changed to DOWN 4 Jan 24 19:30:42 x3200 kernel: vnet0: link state changed to DOWN 5 Jan 24 19:30:42 x3200 kernel: bridge1: link state changed to DOWN 6 Jan 24 19:30:42 x3200 kernel: ifa_del_loopback_route: deletion failed: 48 7 Jan 24 19:30:42 x3200 kernel: Freed UMA keg (udp_inpcb) was not empty (60 items). Lost 6 pages of memory. 8 Jan 24 19:30:42 x3200 kernel: Freed UMA keg (udpcb) was not empty (668 items). Lost 4 pages of memory. 9 Jan 24 19:30:42 x3200 kernel: Freed UMA keg (tcp_inpcb) was not empty (60 items). Lost 6 pages of memory. 10 Jan 24 19:30:42 x3200 kernel: Freed UMA keg (tcpcb) was not empty (18 items). Lost 6 pages of memory. 11 Jan 24 19:30:42 x3200 kernel: Freed UMA keg (ripcb) was not empty (60 items). Lost 6 pages of memory. 12 Jan 24 19:30:42 x3200 kernel: hhook_vnet_uninit: hhook_head type=1, id=1 cleanup required 13 Jan 24 19:30:42 x3200 kernel: hhook_vnet_uninit: hhook_head type=1, id=0 cleanup required 14 Jan 24 19:31:05 x3200 devd: Executing '/etc/pccard_ether epair0a start' 15 Jan 24 19:31:05 x3200 kernel: epair0a: 16 Jan 24 19:31:05 x3200 kernel: 17 Jan 24 19:31:05 x3200 kernel: Fatal trap 12: page fault while in kernel mode 18 Jan 24 19:31:05 x3200 kernel: cpuid = 1; apic id = 02 19 Jan 24 19:31:05 x3200 kernel: Ethernet address: 02:ff:20:00:09:0a 20 Jan 24 19:31:05 x3200 kernel: fault virtual address = 0x0 21 Jan 24 19:31:05 x3200 kernel: fault code = supervisor read instruction, page not present 22 Jan 24 19:31:05 x3200 kernel: instruction pointer = 0x20:0x0 23 Jan 24 19:31:05 x3200 kernel: stack pointer = 0x28:0xfffffe04691ca720 24 Jan 24 19:31:05 x3200 kernel: frame pointer = 0x28:0xfffffe04691ca770 25 Jan 24 19:31:05 x3200 kernel: epair0b: code segment = base 0x0, limit 0xfffff, type 0x1b 26 Jan 24 19:31:05 x3200 kernel: = DPL 0, pres 1, long 1, def32 0, gran 1 27 Jan 24 19:31:05 x3200 kernel: Ethernet address: 02:ff:70:00:0a:0b 28 Jan 24 19:31:05 x3200 kernel: processor eflags = interrupt enabled, 29 Jan 24 19:31:05 x3200 kernel: epair0a: link state changed to UP 30 Jan 24 19:33:13 x3200 syslogd: kernel boot file is /boot/kernel/kernel 31 Jan 24 19:33:13 x3200 kernel: epair0b: link state changed to UP 32 Jan 24 19:33:13 x3200 kernel: resume, IOPL = 0 33 Jan 24 19:33:13 x3200 kernel: current process = 10817 (dhcpcd) 34 Jan 24 19:33:13 x3200 kernel: trap number = 12 35 Jan 24 19:33:13 x3200 kernel: panic: page fault 36 Jan 24 19:33:13 x3200 kernel: cpuid = 1 37 Jan 24 19:33:13 x3200 kernel: KDB: stack backtrace: 38 Jan 24 19:33:13 x3200 kernel: #0 0xffffffff809442a0 at kdb_backtrace+0x60 39 Jan 24 19:33:13 x3200 kernel: #1 0xffffffff80907a06 at vpanic+0x126 40 Jan 24 19:33:13 x3200 kernel: #2 0xffffffff809078d3 at panic+0x43 41 Jan 24 19:33:13 x3200 kernel: #3 0xffffffff80cd178b at trap_fatal+0x36b 42 Jan 24 19:33:13 x3200 kernel: #4 0xffffffff80cd1a8d at trap_pfault+0x2ed 43 Jan 24 19:33:13 x3200 kernel: #5 0xffffffff80cd112a at trap+0x47a 44 Jan 24 19:33:13 x3200 kernel: #6 0xffffffff80cb74a2 at calltrap+0x8 45 Jan 24 19:33:13 x3200 kernel: #7 0xffffffff809ca1cb at ifioctl+0x11eb 46 Jan 24 19:33:13 x3200 kernel: #8 0xffffffff8095c195 at kern_ioctl+0x255 47 Jan 24 19:33:13 x3200 kernel: #9 0xffffffff8095be90 at sys_ioctl+0x140 48 Jan 24 19:33:13 x3200 kernel: #10 0xffffffff80cd20a7 at amd64_syscall+0x357 49 Jan 24 19:33:13 x3200 kernel: #11 0xffffffff80cb778b at Xfast_syscall+0xfb 50 Jan 24 19:33:13 x3200 kernel: Uptime: 30m59s See http://roy.marples.name/projects/dhcpcd/tktview?name=3a1e57157d. Expected behaviour: A userland app should not crash the kernel. -- You are receiving this mail because: You are the assignee for the bug.
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