Hi,
The change below seems to make netstat -B on RELENG_7 coredump
netstat -B
specifically,
- printf("%5d %6s %7s %9lu %9lu %9lu %5d %5d %s\n",
+ printf("%5d %6s %7s %9ju %9ju %9ju %5d %5d %s\n",
Not sure if its a netstat issue or a libc issue as it works fine in HEAD
0[releng7]# gdb /usr/bin/netstat
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This GDB was configured as "i386-marcel-freebsd"...
(gdb) r -B
Starting program: /usr/bin/netstat -B
Pid Netif Flags Recv Drop Match Sblen Hblen Command
Program received signal SIGSEGV, Segmentation fault.
strlen () at /usr/src/lib/libc/i386/string/strlen.S:48
48 repne /* search! */
Current language: auto; currently asm
(gdb) bt
#0 strlen () at /usr/src/lib/libc/i386/string/strlen.S:48
#1 0x281c5491 in __vfprintf (fp=0x281e8798,
fmt0=0x80671ac "%5d %6s %7s %9ju %9ju %9ju %5d %5d %s\n",
ap=0xbfbfeba4 "\224\020\020\bA\001") at
/usr/src/lib/libc/stdio/vfprintf.c:1052
#2 0x281c37e2 in vfprintf (fp=0x281e8798,
fmt0=0x80671ac "%5d %6s %7s %9ju %9ju %9ju %5d
%5d %s\n", ap=0xbfbfeb74 "A\001")
at /usr/src/lib/libc/stdio/vfprintf.c:398
#3 0x281ac086 in printf (fmt=0x80671ac "%5d %6s
%7s %9ju %9ju %9ju %5d %5d %s\n") at /usr/src/lib/libc/stdio/printf.c:49
#4 0x08059dc4 in bpf_stats (ifname=0x0) at /usr/src/usr.bin/netstat/bpf.c:123
#5 0x080504a1 in main (argc=0, argv=0xbfbfec7c)
at /usr/src/usr.bin/netstat/main.c:498
(gdb) bt full
#0 strlen () at /usr/src/lib/libc/i386/string/strlen.S:48
No locals.
#1 0x281c5491 in __vfprintf (fp=0x281e8798,
fmt0=0x80671ac "%5d %6s %7s %9ju %9ju %9ju %5d %5d %s\n",
ap=0xbfbfeba4 "\224\020\020\bA\001") at
/usr/src/lib/libc/stdio/vfprintf.c:1052
fmt = 0x80671d1 "\n"
ch = 115
n = 1
n2 = 0
cp = 0x38e38e39 <Error reading address 0x38e38e39: Bad address>
iovp = (struct __siov *) 0xbfbfea04
flags = 0
ret = 80
width = 0
prec = -1
sign = 0 '\0'
thousands_sep = 0 '\0'
grouping = 0x0
decimal_point = 0x281e35b4 "."
signflag = 1
fparg = {dbl = 0, ldbl = 0}
expt = 0
expchar = 0 '\0'
dtoaend = 0x0
expsize = 0
lead = 1
ndig = 50
expstr = "\000\000\000\000\000\000\000"
dtoaresult = 0x0
nseps = 134
nrepeats = 2
ulval = 672080317
ujval = 581017334647357440
base = 10
dprec = 0
realsz = 9
size = 9
prsize = 9
xdigs = 0x0
uio = {uio_iov = 0xbfbfe9fc, uio_iovcnt = 1, uio_resid = 1}
iov = {{iov_base = 0x80671ce, iov_len =
1}, {iov_base = 0xbfbfe9f3, iov_len = 9},
{iov_base = 0xbfbfe9fa, iov_len = 2}, {
iov_base = 0x0, iov_len = 0}, {iov_base =
0x0, iov_len = 0}, {iov_base = 0x0, iov_len = 0},
{iov_base = 0x0, iov_len = 0}, {
iov_base = 0x0, iov_len = 0}}
buf = "\003\000\000\000ÿ", '\0' <repeats
18 times>, "select\000\000\000root", '\0'
<repeats 23 times>, "dhclient", '\0' <rep---Type
<return> to continue, or q <return> to quit---
eats 12 times>, "Fre581017334672080317"
ox = "\000"
argtable = (union arg *) 0x0
statargtable = {{intarg = 0, uintarg =
0, longarg = 0, ulongarg = 0, longlongarg = 0,
ulonglongarg = 0, ptrdiffarg = 0,
sizearg = 0, intmaxarg = 0, uintmaxarg = 0,
pvoidarg = 0x0, pchararg = 0x0, pschararg = 0x0,
pshortarg = 0x0, pintarg = 0x0,
plongarg = 0x0, plonglongarg = 0x0,
pptrdiffarg = 0x0, psizearg = 0x0, pintmaxarg =
0x0, doublearg = 0, longdoublearg = 0,
wintarg = 0, pwchararg = 0x0}, {intarg = 0,
uintarg = 0, longarg = 0, ulongarg = 0, longlongarg = 0, ulonglongarg = 0,
ptrdiffarg = 0, sizearg = 0, intmaxarg = 0,
uintmaxarg = 0, pvoidarg = 0x0, pchararg = 0x0,
pschararg = 0x0, pshortarg = 0x0,
pintarg = 0x0, plongarg = 0x0, plonglongarg
= 0x0, pptrdiffarg = 0x0, psizearg = 0x0, pintmaxarg = 0x0, doublearg = 0,
longdoublearg = <invalid float value>,
wintarg = 0, pwchararg = 0x0}, {intarg = 278, uintarg = 278, longarg = 278,
ulongarg = 278, longlongarg = 278,
ulonglongarg = 278, ptrdiffarg = 278, sizearg =
278, intmaxarg = 278, uintmaxarg = 278,
pvoidarg = 0x116, pchararg = 0x116 <Error
reading address 0x116: Bad address>,
pschararg = 0x116 <Error reading address
0x116: Bad address>, pshortarg = 0x116, pintarg = 0x116, plongarg = 0x116,
plonglongarg = 0x116, pptrdiffarg = 0x116,
psizearg = 0x116, pintmaxarg = 0x116, doublearg = 1.3735024954386654e-321,
longdoublearg = <invalid float value>,
wintarg = 278, pwchararg = 0x116}, {intarg = 423,
uintarg = 423, longarg = 423,
ulongarg = 423, longlongarg = 137438953895,
ulonglongarg = 137438953895, ptrdiffarg = 423, sizearg = 423,
intmaxarg = 137438953895, uintmaxarg = 137438953895, pvoidarg = 0x1a7,
pchararg = 0x1a7 <Error reading address
0x1a7: Bad address>, pschararg = 0x1a7 <Error
reading address 0x1a7: Bad address>,
pshortarg = 0x1a7, pintarg = 0x1a7, plongarg
= 0x1a7, plonglongarg = 0x1a7, pptrdiffarg = 0x1a7, psizearg = 0x1a7,
pintmaxarg = 0x1a7, doublearg =
6.7903865519878482e-313, longdoublearg =
5.0099241040047100945541003353856387e-4940,
wintarg = 423, pwchararg = 0x1a7}, {intarg =
0, uintarg = 0, longarg = 0, ulongarg = 0, longlongarg = 0, ulonglongarg = 0,
ptrdiffarg = 0, sizearg = 0, intmaxarg = 0,
uintmaxarg = 0, pvoidarg = 0x0, pchararg = 0x0,
pschararg = 0x0, pshortarg = 0x0,
pintarg = 0x0, plongarg = 0x0, plonglongarg
= 0x0, pptrdiffarg = 0x0, psizearg = 0x0, pintmaxarg = 0x0, doublearg = 0,
longdoublearg = <invalid float value>,
wintarg = 0, pwchararg = 0x0}, {intarg = 31662,
uintarg = 31662, longarg = 31662,
ulongarg = 31662, longlongarg = 31662,
ulonglongarg = 31662, ptrdiffarg = 31662, sizearg = 31662, intmaxarg = 31662,
uintmaxarg = 31662, pvoidarg = 0x7bae,
pchararg = 0x7bae <Error reading address 0x7bae: Bad address>,
pschararg = 0x7bae <Error reading address
0x7bae: Bad address>, pshortarg = 0x7bae, pintarg = 0x7bae, plongarg = 0x7bae,
plonglongarg = 0x7bae, pptrdiffarg = 0x7bae,
psizearg = 0x7bae, pintmaxarg = 0x7bae, doublearg = 1.5643106478625548e-319,
longdoublearg = <invalid float value>,
wintarg = 31662, pwchararg = 0x7bae}, {intarg = 0, uintarg = 0, longarg = 0,
ulongarg = 0, longlongarg =
5244055244786106368, ulonglongarg =
5244055244786106368, ptrdiffarg = 0, sizearg = 0,
intmaxarg = 5244055244786106368, uintmaxarg
= 5244055244786106368, pvoidarg = 0x0, pchararg = 0x0, pschararg = 0x0,
pshortarg = 0x0, pintarg = 0x0, plongarg =
0x0, plonglongarg = 0x0, pptrdiffarg = 0x0, psizearg = 0x0, pintmaxarg = 0x0,
doublearg = 3.9421446362191564e+42,
longdoublearg = <invalid float value>, wintarg =
0, pwchararg = 0x0}, {intarg = 0,
uintarg = 0, longarg = 0, ulongarg = 0,
longlongarg = 0, ulonglongarg = 0, ptrdiffarg = 0, sizearg = 0, intmaxarg = 0,
uintmaxarg = 0, pvoidarg = 0x0, pchararg =
0x0, pschararg = 0x0, pshortarg = 0x0, pintarg = 0x0, plongarg = 0x0,
plonglongarg = 0x0, pptrdiffarg = 0x0,
psizearg = 0x0, pintmaxarg = 0x0, doublearg = 0,
longdoublearg = <invalid float value>,
wintarg = 0, pwchararg = 0x0}}
nextarg = 10
orgap = 0xbfbfeb74 "A\001"
convbuf = 0x0
blanks = ' ' <repeats 16 times>
zeroes = '0' <repeats 16 times>
xdigs_lower = "0123456789abcdef"
---Type <return> to continue, or q <return> to quit---
xdigs_upper = "0123456789ABCDEF"
initial = {__mbstate8 = '\0' <repeats 127 times>, _mbstateL = 0}
#2 0x281c37e2 in vfprintf (fp=0x281e8798,
fmt0=0x80671ac "%5d %6s %7s %9ju %9ju %9ju %5d
%5d %s\n", ap=0xbfbfeb74 "A\001")
at /usr/src/lib/libc/stdio/vfprintf.c:398
ret = 0
#3 0x281ac086 in printf (fmt=0x80671ac "%5d %6s
%7s %9ju %9ju %9ju %5d %5d %s\n") at /usr/src/lib/libc/stdio/printf.c:49
ret = 76
ap = 0xbfbfeb74 "A\001"
#4 0x08059dc4 in bpf_stats (ifname=0x0) at /usr/src/usr.bin/netstat/bpf.c:123
d = (struct xbpf_d *) 0x8101060
bd = (struct xbpf_d *) 0x8101060
pname = 0x8103030 "dhclient"
flagbuf = "-ifs--l\000ÿÿÿÿ"
size = 72
#5 0x080504a1 in main (argc=0, argv=0xbfbfec7c)
at /usr/src/usr.bin/netstat/main.c:498
tp = (struct protox *) 0x0
ch = -1
(gdb) frame 0
#0 strlen () at /usr/src/lib/libc/i386/string/strlen.S:48
48 repne /* search! */
(gdb) list
43 pushl %edi
44 movl 8(%esp),%edi /* string address */
45 cld /* set search forward */
46 xorl %eax,%eax
/* set search for null terminator */
47 movl $-1,%ecx
/* set search for lots of characters */
48 repne /* search! */
49 scasb
50 notl %ecx
/* get length by taking complement */
51 leal -1(%ecx),%eax /* and subtracting one */
52 popl %edi
(gdb) frame 1
#1 0x281c5491 in __vfprintf (fp=0x281e8798,
fmt0=0x80671ac "%5d %6s %7s %9ju %9ju %9ju %5d %5d %s\n",
ap=0xbfbfeba4 "\224\020\020\bA\001") at
/usr/src/lib/libc/stdio/vfprintf.c:1052
1052 size = strlen(cp);
Current language: auto; currently c
(gdb) list
1047 if (size > prec)
1048 size = prec;
1049 } else
1050 size = prec;
1051 } else
1052 size = strlen(cp);
1053 sign = '\0';
1054 break;
1055 case 'U':
1056 flags |= LONGINT;
(gdb) frame 2
#2 0x281c37e2 in vfprintf (fp=0x281e8798,
fmt0=0x80671ac "%5d %6s %7s %9ju %9ju %9ju %5d
%5d %s\n", ap=0xbfbfeb74 "A\001")
at /usr/src/lib/libc/stdio/vfprintf.c:398
398 ret = __vfprintf(fp, fmt0, ap);
(gdb) list
393
394 {
395 int ret;
396
397 FLOCKFILE(fp);
398 ret = __vfprintf(fp, fmt0, ap);
399 FUNLOCKFILE(fp);
400 return (ret);
401 }
402
(gdb) frame 3
#3 0x281ac086 in printf (fmt=0x80671ac "%5d %6s
%7s %9ju %9ju %9ju %5d %5d %s\n") at /usr/src/lib/libc/stdio/printf.c:49
49 ret = vfprintf(stdout, fmt, ap);
(gdb) list
44 {
45 int ret;
46 va_list ap;
47
48 va_start(ap, fmt);
49 ret = vfprintf(stdout, fmt, ap);
50 va_end(ap);
51 return (ret);
52 }
(gdb) frame 4
#4 0x08059dc4 in bpf_stats (ifname=0x0) at /usr/src/usr.bin/netstat/bpf.c:123
123 (void) printf("%5d %6s
%7s %9ju %9ju %9ju %5d %5d %s\n",
(gdb) list
118 for (d = &bd[0]; d < &bd[size / sizeof(*d)]; d++) {
119 if (ifname && strcmp(ifname, d->bd_ifname) != 0)
120 continue;
121 bpf_flags(d, flagbuf);
122 pname = bpf_pidname(d->bd_pid);
123 (void) printf("%5d %6s
%7s %9ju %9ju %9ju %5d %5d %s\n",
124 d->bd_pid, d->bd_ifname, flagbuf,
125 d->bd_rcount, d->bd_dcount, d->bd_fcount,
126 d->bd_slen, d->bd_hlen, pname);
127 free(pname);
(gdb) p *d
$1 = {bd_promisc = 0 '\0', bd_immediate = 1
'\001', bd_hdrcmplt = 0, bd_direction = 1, bd_feedback = 0, bd_async = 0,
bd_rcount = 109321, bd_dcount = 0, bd_fcount =
24, bd_sig = 23, bd_slen = 0, bd_hlen = 0, bd_bufsize = 4096, bd_pid = 321,
bd_ifname = "nfe0", '\0' <repeats 11 times>, bd_locked = 1}
(gdb) p pname
$2 = 0x8103030 "dhclient"
(gdb) p flagbuf
$3 = "-ifs--l\000ÿÿÿÿ"
(gdb) frame 5
#5 0x080504a1 in main (argc=0, argv=0xbfbfec7c)
at /usr/src/usr.bin/netstat/main.c:498
498 bpf_stats(interface);
(gdb) list
493 setgid(getgid());
494
495 if (Bflag) {
496 if (!live)
497 usage();
498 bpf_stats(interface);
499 exit(0);
500 }
501 if (mflag) {
502 if (memf != NULL) {
(gdb)
At 11:05 AM 9/1/2008, David E. O'Brien wrote:
obrien 2008-09-01 15:05:19 UTC
FreeBSD src repository
Modified files: (Branch: RELENG_7)
usr.bin/netstat Makefile bpf.c inet.c pfkey.c route.c
sctp.c
Log:
SVN rev 182603 on 2008-09-01 15:05:19Z by obrien
MFC: r182602: Minimize changes CURRENT<->releng7.
Revision Changes Path
1.39.2.1 +1 -0 src/usr.bin/netstat/Makefile
1.9.2.2 +2 -2 src/usr.bin/netstat/bpf.c
1.78.2.4 +2 -2 src/usr.bin/netstat/inet.c
1.5.2.2 +6 -3 src/usr.bin/netstat/pfkey.c
1.82.2.7 +8 -7 src/usr.bin/netstat/route.c
1.7.2.3 +4 -4 src/usr.bin/netstat/sctp.c
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