svn commit: r255219 - in head: contrib/tcpdump lib/libc lib/libc/capability lib/libc/include lib/libc/sys lib/libprocstat sbin/dhclient sbin/hastd sys/amd64/linux32 sys/bsm sys/cddl/compat/opensola...

[Konstantin Belousov]

On Thu, Sep 05, 2013 at 12:09:57AM +0000, Pawel Jakub Dawidek wrote:
> Author: pjd
> Date: Thu Sep  5 00:09:56 2013
> New Revision: 255219
> URL: http://svnweb.freebsd.org/changeset/base/255219

Shortly after the boot of the updated kernel, I get:

Fatal trap 12: page fault while in kernel mode
cpuid = 7; apic id = 07
fault virtual address	= 0x0
fault code		= supervisor read data, page not present
instruction pointer	= 0x20:0xffffffff802f685a
stack pointer	        = 0x28:0xfffffe0235d50460
frame pointer	        = 0x28:0xfffffe0235d504b0
code segment		= base 0x0, limit 0xfffff, type 0x1b
			= DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags	= interrupt enabled, resume, IOPL = 0
current process		= 199 (ip6addrctl)
[ thread pid 199 tid 100086 ]
Stopped at      0xffffffff802f685a = fget+0x2a: movq    (%rdx),%rax
db> bt
Tracing pid 199 tid 100086 td 0xfffff80005351980
fget() at 0xffffffff802f685a = fget+0x2a/frame 0xfffffe0235d504b0
fdesc_lookup() at 0xffffffff80e6d88d = fdesc_lookup+0xed/frame 0xfffffe0235d50510
VOP_LOOKUP_APV() at 0xffffffff8057b54e = VOP_LOOKUP_APV+0x12e/frame 0xfffffe0235d50560
lookup() at 0xffffffff803d31b0 = lookup+0x5a0/frame 0xfffffe0235d505f0
namei() at 0xffffffff803d2934 = namei+0x464/frame 0xfffffe0235d506c0
vn_open_cred() at 0xffffffff803ee78f = vn_open_cred+0x27f/frame 0xfffffe0235d50810
kern_openat() at 0xffffffff803e7bfd = kern_openat+0x22d/frame 0xfffffe0235d50980
amd64_syscall() at 0xffffffff805387dd = amd64_syscall+0x28d/frame 0xfffffe0235d50ab0
Xfast_syscall() at 0xffffffff8051f21b = Xfast_syscall+0xfb/frame 0xfffffe0235d50ab0
--- syscall (5, FreeBSD ELF64, sys_open), rip = 0x800942d6a, rsp = 0x7fffffffcff8, rbp = 0x7fffffffd030 ---

(gdb) list *fget+0x2a
0xffffffff802f685a is in fget (/usr/home/kostik/work/build/bsd/DEV/src/sys/kern/kern_descrip.c:2385).

I do not have any capsicum-related options in the kernel config.
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