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Date:      Thu, 24 Jun 2021 18:22:40 +0000
From:      bugzilla-noreply@freebsd.org
To:        bugs@FreeBSD.org
Subject:   [Bug 256816] 13.0-RELEASE-p2 ufs2+sujournal. Fatal trap 12: page fault while in kernel mode
Message-ID:  <bug-256816-227@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D256816

            Bug ID: 256816
           Summary: 13.0-RELEASE-p2 ufs2+sujournal. Fatal trap 12: page
                    fault while in kernel mode
           Product: Base System
           Version: 13.0-RELEASE
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: kern
          Assignee: bugs@FreeBSD.org
          Reporter: viaprog@gmail.com

Fatal trap 12: page fault while in kernel mode
cpuid =3D 13; apic id =3D 0d
fault virtual address   =3D 0x38
fault code              =3D supervisor write data, page not present
instruction pointer     =3D 0x20:0xffffffff8089486a
stack pointer           =3D 0x28:0xfffffe024d7d65c0
frame pointer           =3D 0x28:0xfffffe024d7d6630
code segment            =3D base 0x0, limit 0xfffff, type 0x1b
                        =3D DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags        =3D interrupt enabled, resume, IOPL =3D 0
current process         =3D 4676 (mv)
trap number             =3D 12
panic: page fault
cpuid =3D 13
time =3D 1624484382
KDB: stack backtrace:
#0 0xffffffff8067e6a5 at kdb_backtrace+0x65
#1 0xffffffff806314a1 at vpanic+0x181
#2 0xffffffff80631313 at panic+0x43
#3 0xffffffff80975007 at trap_fatal+0x387
#4 0xffffffff8097505f at trap_pfault+0x4f
#5 0xffffffff809746bd at trap+0x27d
#6 0xffffffff8094d838 at calltrap+0x8
#7 0xffffffff808b25ec at ufs_dirrewrite+0x14c
#8 0xffffffff808ba48b at ufs_rename+0x138b
#9 0xffffffff809a2da7 at VOP_RENAME_APV+0x27
#10 0xffffffff8071ece8 at kern_renameat+0x3a8
#11 0xffffffff8097590c at amd64_syscall+0x10c
#12 0xffffffff8094e15e at fast_syscall_common+0xf8
Uptime: 6h57m43s
Dumping 4661 out of 130941 MB:..1%..11%..21%..31%..41%..51%..61%..71%..81%.=
.91%

__curthread () at /usr/src/sys/amd64/include/pcpu_aux.h:55
55              __asm("movq %%gs:%P1,%0" : "=3Dr" (td) : "n" (offsetof(stru=
ct
pcpu,
(kgdb) bt
#0  __curthread () at /usr/src/sys/amd64/include/pcpu_aux.h:55
#1  doadump (textdump=3D<optimized out>) at /usr/src/sys/kern/kern_shutdown=
.c:399
#2  0xffffffff80631096 in kern_reboot (howto=3D260) at
/usr/src/sys/kern/kern_shutdown.c:486
#3  0xffffffff80631510 in vpanic (fmt=3D<optimized out>, ap=3D<optimized ou=
t>) at
/usr/src/sys/kern/kern_shutdown.c:919
#4  0xffffffff80631313 in panic (fmt=3D<unavailable>) at
/usr/src/sys/kern/kern_shutdown.c:843
#5  0xffffffff80975007 in trap_fatal (frame=3D0xfffffe024d7d6500, eva=3D56)=
 at
/usr/src/sys/amd64/amd64/trap.c:915
#6  0xffffffff8097505f in trap_pfault (frame=3Dframe@entry=3D0xfffffe024d7d=
6500,
usermode=3Dfalse, signo=3D<optimized out>, signo@entry=3D0x0, ucode=3D<opti=
mized out>,
ucode@entry=3D0x0)
    at /usr/src/sys/amd64/amd64/trap.c:732
#7  0xffffffff809746bd in trap (frame=3D0xfffffe024d7d6500) at
/usr/src/sys/amd64/amd64/trap.c:398
#8  <signal handler called>
#9  0xffffffff8089486a in softdep_setup_directory_change (bp=3D<optimized o=
ut>,
dp=3Ddp@entry=3D0xfffff801079a0aa0, ip=3Dip@entry=3D0xfffff80367c0cbe0,
newinum=3Dnewinum@entry=3D18446744071772970742,=20
    isrmdir=3D<optimized out>, isrmdir@entry=3D0) at
/usr/src/sys/ufs/ffs/ffs_softdep.c:9798
#10 0xffffffff808b25ec in ufs_dirrewrite (dp=3Ddp@entry=3D0xfffff801079a0aa=
0,
oip=3Doip@entry=3D0xfffff80367c0cbe0, newinum=3D18446744071772970742,
newinum@entry=3D2358386422,=20
    newtype=3Dnewtype@entry=3D4, isrmdir=3Disrmdir@entry=3D0) at
/usr/src/sys/ufs/ufs/ufs_lookup.c:1311
#11 0xffffffff808ba48b in ufs_rename (ap=3D<optimized out>) at
/usr/src/sys/ufs/ufs/ufs_vnops.c:1650
#12 0xffffffff809a2da7 in VOP_RENAME_APV (vop=3D0xffffffff80cdbcd8
<ffs_vnodeops2>, a=3Da@entry=3D0xfffffe024d7d6a40) at vnode_if.c:1678
#13 0xffffffff8071ece8 in VOP_RENAME (fdvp=3D0xfffff810b76dc000, fvp=3D<opt=
imized
out>, fcnp=3D<optimized out>, tdvp=3D<optimized out>, tvp=3D<optimized out>,
tcnp=3D<optimized out>)
    at ./vnode_if.h:863
#14 kern_renameat (td=3D0xfffffe00e21cae00, oldfd=3D-100, old=3D0x7fffffffe=
b18
<error: Cannot access memory at address 0x7fffffffeb18>, newfd=3D-100,=20
    new=3D0x7fffffffeb59 <error: Cannot access memory at address 0x7fffffff=
eb59>,
pathseg=3D<optimized out>) at /usr/src/sys/kern/vfs_syscalls.c:3690
#15 0xffffffff8097590c in syscallenter (td=3D0xfffffe00e21cae00) at
/usr/src/sys/amd64/amd64/../../kern/subr_syscall.c:189
#16 amd64_syscall (td=3D0xfffffe00e21cae00, traced=3D0) at
/usr/src/sys/amd64/amd64/trap.c:1156
#17 <signal handler called>
#18 0x0000001ffff8012a in ?? ()
Backtrace stopped: Cannot access memory at address 0x7fffffffd388

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