https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=228562
Bug ID: 228562
Summary: ifa_ifwithnet: general protection fault while in
kernel mode
Product: Base System
Version: CURRENT
Hardware: Any
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: kern
Assignee: b...@freebsd.org
Reporter: ead...@freebsd.org
#0 __curthread () at ./machine/pcpu.h:231
td = <optimized out>
#1 doadump (textdump=0) at /usr/src/sys/kern/kern_shutdown.c:366
error = <error reading variable error (Cannot access memory at address
0x0)>
coredump = <optimized out>
#2 0xffffffff804350bb in db_dump (dummy=<optimized out>, dummy2=<unavailable>,
dummy3=<unavailable>, dummy4=<unavailable>) at
/usr/src/sys/ddb/db_command.c:574
error = <optimized out>
#3 0xffffffff80434e7d in db_command (last_cmdp=<optimized out>,
cmd_table=<optimized out>, dopager=<optimized out>)
at /usr/src/sys/ddb/db_command.c:481
modif = ""
have_addr = false
t = <optimized out>
result = <optimized out>
cmd = 0xffffffff81a5ce20 <db_cmds+480>
addr = <unavailable>
count = <unavailable>
#4 0xffffffff80434c14 in db_command_loop () at
/usr/src/sys/ddb/db_command.c:534
No locals.
#5 0xffffffff80437dff in db_trap (type=<optimized out>, code=<optimized out>)
at /usr/src/sys/ddb/db_main.c:252
jb = {{
_jb = {-2194903306096,
-2194903306104,
-2194903305968,
-2115128448,
-2119837784,
0,
9,
-2143060599,
-2194903306000,
-2140630981,
-2116086448,
0}
}}
bkpt = false
watchpt = false
prev_jb = 0x0
why = <optimized out>
#6 0xffffffff80ba3923 in kdb_trap (type=9, code=0, tf=<optimized out>)
at /usr/src/sys/kern/subr_kdb.c:697
be = 0xffffffff81a5d7a8 <ddb_dbbe>
intr = 582
did_stop_cpus = <error reading variable did_stop_cpus (Cannot access
memory at address 0x1)>
handled = <optimized out>
other_cpus = <optimized out>
#7 0xffffffff8101fbef in trap_fatal (frame=0xfffffe00f59172f0, eva=<optimized
out>)
at /usr/src/sys/amd64/amd64/trap.c:883
code = <optimized out>
softseg = {
ssd_base = 0,
ssd_limit = 1048575,
ssd_type = 27,
ssd_dpl = 0,
ssd_p = 1,
ssd_long = 1,
ssd_def32 = 0,
ssd_gran = 1
}
msg = <optimized out>
ss = 40
type = <optimized out>
handled = <optimized out>
#8 0xffffffff8101f13d in trap (frame=0xfffffe00f59172f0)
at /usr/src/sys/amd64/amd64/trap.c:203
td = 0xfffff8021d8b3000
dr6 = <error reading variable dr6 (Cannot access memory at address
0x0)>
addr = <error reading variable addr (Cannot access memory at address
0x0)>
ucode = <error reading variable ucode (Cannot access memory at address
0x0)>
signo = <error reading variable signo (Cannot access memory at address
0x0)>
p = <optimized out>
type = 9
ksi = <optimized out>
#9 <signal handler called>
No locals.
#10 0xffffffff80c58db1 in ifa_ifwithnet (addr=0xfffff8009847b4a8, ignore_ptp=0,
fibnum=<optimized out>) at /usr/src/sys/net/if.c:2057
cp3 = <optimized out>
cp = <optimized out>
cp2 = <optimized out>
ifp = 0xfffff8007d99c800
ifa = 0xfffff800a21d7c00
ifa_maybe = 0xfffff800a21d7c00
cplim = <optimized out>
af = <optimized out>
addr_data = <optimized out>
#11 0xffffffff80c836c3 in ifa_ifwithroute (flags=2051, dst=0xfffff8009847b498,
gateway=0xfffff8009847b4a8, fibnum=0) at /usr/src/sys/net/route.c:755
ifa = 0x0
#12 0xffffffff80c841b1 in rt_getifa_fib (info=0xfffffe00f5917580,
fibnum=<optimized out>)
at /usr/src/sys/net/route.c:1303
error = <optimized out>
ifa = <optimized out>
#13 0xffffffff80c82cef in rtrequest1_fib (req=<optimized out>,
info=0xfffffe00f5917580,
ret_nrt=<optimized out>, fibnum=0) at /usr/src/sys/net/route.c:1586
error = <error reading variable error (Cannot access memory at address
0x2d)>
rnh = 0xfffff8007d9f3a00
rt = <optimized out>
ndst = <optimized out>
ifa = <optimized out>
rn = <optimized out>
rt_old = <optimized out>
mdst = <optimized out>
#14 0xffffffff80c87f44 in route_output (m=<optimized out>,
so=0xfffff80147008358)
at /usr/src/sys/net/rtsock.c:693
saf = 2 '\002'
error = <error reading variable error (Cannot access memory at address
0x3)>
alloc_len = 1024
fibnum = 0
len = <optimized out>
rtm = <optimized out>
rp = <optimized out>
i = <error reading variable i (Cannot access memory at address 0x7)>
sin6 = 0x80
info = {
rti_addrs = 7,
rti_flags = 2051,
rti_info = {0xfffff8009847b498,
0xfffff8009847b4a8,
0xfffff8009847b4b8,
0x0,
0x0,
0x0,
0x0,
0x0},
rti_ifa = 0x0,
rti_ifp = 0x0,
rti_filter = 0x0,
rti_filterdata = 0x0,
rti_mflags = 0,
rti_spare = 0,
rti_rmx = 0xfffff8009847b428
}
rnh = <optimized out>
rt = 0xffffffff80e8073c <uma_dbg_alloc+236>
ifp = <optimized out>
w = <optimized out>
ss = <optimized out>
saun = <optimized out>
#15 0xffffffff80bf6517 in sosend_generic (so=0xfffff80147008358, addr=0x0,
uio=0xfffffe00f5917940, top=0xdeadc0dedeadc0de, control=0xfffff8009848b000,
flags=0,
td=0xfffff8021d8b3000) at /usr/src/sys/kern/uipc_socket.c:1575
clen = 0
resid = <optimized out>
error = <optimized out>
space = 7992
dontroute = <optimized out>
atomic = <optimized out>
#16 0xffffffff80bf674d in sosend (so=0xfffff8009848b0bf, addr=0x7,
uio=0xfffff8009848b0bf, top=0xfffff8009848b0b8, control=0x0, flags=0,
td=0xfffff8021d8b3000) at /usr/src/sys/kern/uipc_socket.c:1621
saved_vnet = 0x0
error = <optimized out>
#17 0xffffffff80bd18b2 in soo_write (fp=<optimized out>,
uio=0xfffffe00f5917940,
active_cred=<optimized out>, flags=<optimized out>, td=<optimized out>)
at /usr/src/sys/kern/sys_socket.c:148
so = 0xfffff80147008358
error = 0
#18 0xffffffff80bc8c17 in fo_write (fp=<optimized out>, uio=<optimized out>,
active_cred=0xfffff8009848b0bf, flags=<optimized out>, td=<optimized out>)
at /usr/src/sys/sys/file.h:309
No locals.
#19 dofilewrite (td=0xfffff8021d8b3000, fd=3, fp=0xfffff800987ae820,
auio=0xfffffe00f5917940, offset=<optimized out>, flags=0)
at /usr/src/sys/kern/sys_generic.c:567
cnt = 200
ktruio = 0x0
error = <optimized out>
#20 0xffffffff80bc883a in kern_writev (td=0xfffff8021d8b3000, fd=3,
auio=0xfffffe00f5917940) at /usr/src/sys/kern/sys_generic.c:491
fp = 0xfffff8009848b0bf
error = 0
#21 0xffffffff80bc87e6 in sys_write (td=0xfffff8009848b0bf, uap=<optimized
out>)
at /usr/src/sys/kern/sys_generic.c:406
auio = {
uio_iov = 0xfffffe00f5917970,
uio_iovcnt = 1,
uio_offset = 199,
uio_resid = 0,
uio_segflg = UIO_USERSPACE,
uio_rw = UIO_WRITE,
uio_td = 0xfffff8021d8b3000
}
error = <optimized out>
aiov = <optimized out>
#22 0xffffffff810205fc in syscallenter (td=0xfffff8021d8b3000)
at /usr/src/sys/amd64/amd64/../../kern/subr_syscall.c:135
p = 0xfffff800036e6538
error = <optimized out>
sa = 0xfffff8021d8b33b0
traced = <optimized out>
#23 amd64_syscall (td=0xfffff8021d8b3000, traced=0)
at /usr/src/sys/amd64/amd64/trap.c:1006
ksi = <optimized out>
error = <optimized out>
#24 <signal handler called>
No locals.
#25 0x00000008003fc6ea in ?? ()
No symbol table info available.
Backtrace stopped: Cannot access memory at address 0x7fffffffd8b8
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