[Bug 193376] New: [panic] page fault

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=193376

            Bug ID: 193376
           Summary: [panic] page fault
           Product: Base System
           Version: 9.2-RELEASE
          Hardware: i386
                OS: Any
            Status: Needs Triage
          Severity: Affects Only Me
          Priority: ---
         Component: kern
          Assignee: freebsd-bugs at FreeBSD.org
          Reporter: sasamotikomi at gmail.com

core.txt.22
FreeBSD 9.2-RELEASE
#1  0xc0adf0d5 in kern_reboot (howto=260)
    at /usr/src/sys/kern/kern_shutdown.c:449
#2  0xc0adf3d2 in panic (fmt=<value optimized out>)
    at /usr/src/sys/kern/kern_shutdown.c:637
#3  0xc0f4c563 in trap_fatal (frame=0xc53766f8, eva=36)
    at /usr/src/sys/i386/i386/trap.c:1044
#4  0xc0f4c668 in trap_pfault (frame=0xc53766f8, usermode=0, eva=36)
    at /usr/src/sys/i386/i386/trap.c:896
#5  0xc0f4da29 in trap (frame=0xc53766f8) at /usr/src/sys/i386/i386/trap.c:555
#6  0xc0f365cc in calltrap () at /usr/src/sys/i386/i386/exception.s:170
#7  0xc0ab00e6 in jailed (cred=0x0) at /usr/src/sys/kern/kern_jail.c:3472
#8  0xc0ab013a in prison_priv_check (cred=0x0, priv=320)
    at /usr/src/sys/kern/kern_jail.c:3655
#9  0xc0acd2c7 in priv_check_cred (cred=0x0, priv=320, flags=0)
    at /usr/src/sys/kern/kern_priv.c:97
#10 0xc0d49b54 in chkdq (ip=0xc66a93a0, change=36028797014769648, cred=0x0,
    flags=<value optimized out>) at /usr/src/sys/ufs/ufs/ufs_quota.c:195
#11 0xc0d3870b in softdep_setup_freeblocks (ip=0xc66a93a0, length=0,
    flags=2048) at /usr/src/sys/ufs/ffs/ffs_softdep.c:6659
#12 0xc0d18df3 in ffs_truncate (vp=0xc66f4354, length=0,
    flags=<value optimized out>, cred=0x0, td=0xc601b000)
    at /usr/src/sys/ufs/ffs/ffs_inode.c:347
#13 0xc0d46a4b in ufs_inactive (ap=0xc5376abc)
    at /usr/src/sys/ufs/ufs/ufs_inode.c:132
#14 0xc0f71422 in VOP_INACTIVE_APV (vop=0xc12857e0, a=0xc5376abc)
    at vnode_if.c:1923
#15 0xc0b7b692 in vinactive (vp=0xc66f4354, td=0xc601b000) at vnode_if.h:807
#16 0xc0b7f667 in vputx (vp=0xc66f4354, func=2)
    at /usr/src/sys/kern/vfs_subr.c:2354
#17 0xc0b7f6e0 in vput (vp=0xc66f4354) at /usr/src/sys/kern/vfs_subr.c:2381
#18 0xc0b83ea2 in kern_unlinkat (td=0xc601b000, fd=-100,
    path=0x2840d100 <Address 0x2840d100 out of bounds>,
    pathseg=UIO_USERSPACE, oldinum=0) at /usr/src/sys/kern/vfs_syscalls.c:1964
#19 0xc0b83f3f in kern_unlink (td=0xc601b000,
    path=0x2840d100 <Address 0x2840d100 out of bounds>, pathseg=UIO_USERSPACE)
    at /usr/src/sys/kern/vfs_syscalls.c:1895
#20 0xc0b83f72 in sys_unlink (td=0xc601b000, uap=0xc5376ccc)
    at /usr/src/sys/kern/vfs_syscalls.c:1865
#21 0xc0f4ce53 in syscall (frame=0xc5376d08) at subr_syscall.c:135
#22 0xc0f36661 in Xint0x80_syscall ()
    at /usr/src/sys/i386/i386/exception.s:270
#23 0x00000033 in ?? ()

core.txt.23#1  0xc0adf0d5 in kern_reboot (howto=260)
    at /usr/src/sys/kern/kern_shutdown.c:449
#2  0xc0adf3d2 in panic (fmt=<value optimized out>)
    at /usr/src/sys/kern/kern_shutdown.c:637
#3  0xc0f4c563 in trap_fatal (frame=0xc53006f8, eva=36)
    at /usr/src/sys/i386/i386/trap.c:1044
#4  0xc0f4c668 in trap_pfault (frame=0xc53006f8, usermode=0, eva=36)
    at /usr/src/sys/i386/i386/trap.c:896
#5  0xc0f4da29 in trap (frame=0xc53006f8) at /usr/src/sys/i386/i386/trap.c:555
#6  0xc0f365cc in calltrap () at /usr/src/sys/i386/i386/exception.s:170
#7  0xc0ab00e6 in jailed (cred=0x0) at /usr/src/sys/kern/kern_jail.c:3472
#8  0xc0ab013a in prison_priv_check (cred=0x0, priv=320)
    at /usr/src/sys/kern/kern_jail.c:3655
#9  0xc0acd2c7 in priv_check_cred (cred=0x0, priv=320, flags=0)
    at /usr/src/sys/kern/kern_priv.c:97
#10 0xc0d49b54 in chkdq (ip=0xc62c91d0, change=36028797014769648, cred=0x0,
    flags=<value optimized out>) at /usr/src/sys/ufs/ufs/ufs_quota.c:195
#11 0xc0d3870b in softdep_setup_freeblocks (ip=0xc62c91d0, length=0,
    flags=2048) at /usr/src/sys/ufs/ffs/ffs_softdep.c:6659
#12 0xc0d18df3 in ffs_truncate (vp=0xc62d1e6c, length=0,
    flags=<value optimized out>, cred=0x0, td=0xc59fe5e0)
    at /usr/src/sys/ufs/ffs/ffs_inode.c:347
#13 0xc0d46a4b in ufs_inactive (ap=0xc5300abc)
    at /usr/src/sys/ufs/ufs/ufs_inode.c:132
#14 0xc0f71422 in VOP_INACTIVE_APV (vop=0xc12857e0, a=0xc5300abc)
    at vnode_if.c:1923
#15 0xc0b7b692 in vinactive (vp=0xc62d1e6c, td=0xc59fe5e0) at vnode_if.h:807
#16 0xc0b7f667 in vputx (vp=0xc62d1e6c, func=2)
    at /usr/src/sys/kern/vfs_subr.c:2354
#17 0xc0b7f6e0 in vput (vp=0xc62d1e6c) at /usr/src/sys/kern/vfs_subr.c:2381
#18 0xc0b83ea2 in kern_unlinkat (td=0xc59fe5e0, fd=-100,
    path=0x2840d100 <Address 0x2840d100 out of bounds>,
    pathseg=UIO_USERSPACE, oldinum=0) at /usr/src/sys/kern/vfs_syscalls.c:1964
#19 0xc0b83f3f in kern_unlink (td=0xc59fe5e0,
    path=0x2840d100 <Address 0x2840d100 out of bounds>, pathseg=UIO_USERSPACE)
    at /usr/src/sys/kern/vfs_syscalls.c:1895
#20 0xc0b83f72 in sys_unlink (td=0xc59fe5e0, uap=0xc5300ccc)

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