Date: Thu, 7 Nov 2002 12:11:21 -0500 (EST) From: David Coder <dacoder@dcoder.net> To: Kris Kennaway <kris@obsecurity.org> Cc: freebsd-stable@FreeBSD.ORG Subject: Re: gettimeofday Message-ID: <20021107113822.C6531-100000@porky.dcoder.com> In-Reply-To: <20021107044635.GA19055@rot13.obsecurity.org>
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On Wed, 6 Nov 2002, Kris Kennaway wrote:
:Date: Wed, 6 Nov 2002 20:46:35 -0800
:From: Kris Kennaway <kris@obsecurity.org>
:To: David Coder <dacoder@dcoder.net>
:Cc: freebsd-stable@FreeBSD.ORG
:Subject: Re: gettimeofday
:
:On Wed, Nov 06, 2002 at 05:10:32PM -0500, David Coder wrote:
:>
:> the passwd command hangs on my 4.7-stable system. truss shows that the
:> "gettimeofday()" call is not answered. why would that happen?
:
:Can you please post the truss output? It may be that the process is
:looping in userland, not hanging in the kernel via a system call (so
:truss wouldn't see it).
:
:Kris
:
Here's the output. i don't know why the apparent call to yp. it's not enabled.
thank you for your help.
david
mmap(0x0,1968,0x3,0x1000,-1,0x0) = 671498240 (0x28064000)
munmap(0x28064000,0x7b0) = 0 (0x0)
__sysctl(0xbfbffaa0,0x2,0x280629a8,0xbfbffa9c,0x0,0x0) = 0 (0x0)
mmap(0x0,32768,0x3,0x1002,-1,0x0) = 671498240 (0x28064000)
geteuid() = 0 (0x0)
getuid() = 0 (0x0)
getegid() = 0 (0x0)
getgid() = 0 (0x0)
open("/var/run/ld-elf.so.hints",0x0,00) = 3 (0x3)
read(0x3,0xbfbffa80,0x80) = 128 (0x80)
lseek(3,0x80,0) = 128 (0x80)
read(0x3,0x28068000,0x37) = 55 (0x37)
close(3) = 0 (0x0)
access("/usr/lib/libcrypt.so.2",0) = 0 (0x0)
open("/usr/lib/libcrypt.so.2",0x0,027757775370) = 3 (0x3)
fstat(3,0xbfbffac8) = 0 (0x0)
read(0x3,0xbfbfea98,0x1000) = 4096 (0x1000)
mmap(0x0,102400,0x5,0x2,3,0x0) = 671531008 (0x2806c000)
mmap(0x28073000,4096,0x3,0x12,3,0x6000) = 671559680 (0x28073000)
mmap(0x28074000,69632,0x3,0x1012,-1,0x0) = 671563776 (0x28074000)
close(3) = 0 (0x0)
access("/usr/lib/librpcsvc.so.2",0) = 0 (0x0)
open("/usr/lib/librpcsvc.so.2",0x0,027757775370) = 3 (0x3)
fstat(3,0xbfbffac8) = 0 (0x0)
read(0x3,0xbfbfea98,0x1000) = 4096 (0x1000)
mmap(0x0,32768,0x5,0x2,3,0x0) = 671633408 (0x28085000)
mmap(0x2808c000,4096,0x3,0x12,3,0x6000) = 671662080 (0x2808c000)
close(3) = 0 (0x0)
access("/usr/lib/libutil.so.3",0) = 0 (0x0)
open("/usr/lib/libutil.so.3",0x0,027757775370) = 3 (0x3)
fstat(3,0xbfbffac8) = 0 (0x0)
read(0x3,0xbfbfea98,0x1000) = 4096 (0x1000)
mmap(0x0,36864,0x5,0x2,3,0x0) = 671666176 (0x2808d000)
mmap(0x28095000,4096,0x3,0x12,3,0x7000) = 671698944 (0x28095000)
close(3) = 0 (0x0)
access("/usr/lib/libc.so.4",0) = 0 (0x0)
open("/usr/lib/libc.so.4",0x0,027757775370) = 3 (0x3)
fstat(3,0xbfbffac8) = 0 (0x0)
read(0x3,0xbfbfea98,0x1000) = 4096 (0x1000)
mmap(0x0,622592,0x5,0x2,3,0x0) = 671703040 (0x28096000)
mmap(0x28117000,20480,0x3,0x12,3,0x80000) = 672231424 (0x28117000)
mmap(0x2811c000,73728,0x3,0x1012,-1,0x0) = 672251904 (0x2811c000)
close(3) = 0 (0x0)
mmap(0x0,1016,0x3,0x1000,-1,0x0) = 672325632 (0x2812e000)
munmap(0x2812e000,0x3f8) = 0 (0x0)
mmap(0x0,632,0x3,0x1000,-1,0x0) = 672325632 (0x2812e000)
munmap(0x2812e000,0x278) = 0 (0x0)
mmap(0x0,1616,0x3,0x1000,-1,0x0) = 672325632 (0x2812e000)
munmap(0x2812e000,0x650) = 0 (0x0)
mmap(0x0,1392,0x3,0x1000,-1,0x0) = 672325632 (0x2812e000)
munmap(0x2812e000,0x570) = 0 (0x0)
mmap(0x0,13272,0x3,0x1000,-1,0x0) = 672325632 (0x2812e000)
munmap(0x2812e000,0x33d8) = 0 (0x0)
sigaction(SIGILL,0xbfbffb20,0xbfbffb08) = 0 (0x0)
sigprocmask(0x1,0x0,0x280628dc) = 0 (0x0)
sigaction(SIGILL,0xbfbffb08,0x0) = 0 (0x0)
sigprocmask(0x1,0x280628a0,0xbfbffb48) = 0 (0x0)
sigprocmask(0x3,0x280628b0,0x0) = 0 (0x0)
getlogin(0x2811e884,0x11) = 0 (0x0)
geteuid() = 0 (0x0)
readlink("/etc/malloc.conf",0xbfbff904,63) ERR#2 'No such file or directory'
mmap(0x0,4096,0x3,0x1002,-1,0x0) = 672325632 (0x2812e000)
break(0x8052000) = 0 (0x0)
break(0x8053000) = 0 (0x0)
stat("/etc/spwd.db",0xbfbff9d4) = 0 (0x0)
open("/etc/spwd.db",0x0,00) = 3 (0x3)
fcntl(0x3,0x2,0x1) = 0 (0x0)
read(0x3,0x8052000,0x104) = 260 (0x104)
break(0x8054000) = 0 (0x0)
break(0x8055000) = 0 (0x0)
break(0x8056000) = 0 (0x0)
lseek(3,0x6000,0) = 24576 (0x6000)
read(0x3,0x8055000,0x1000) = 4096 (0x1000)
break(0x8057000) = 0 (0x0)
close(3) = 0 (0x0)
stat("/etc/spwd.db",0xbfbffa44) = 0 (0x0)
open("/etc/spwd.db",0x0,0600) = 3 (0x3)
fcntl(0x3,0x2,0x1) = 0 (0x0)
read(0x3,0x8052000,0x104) = 260 (0x104)
lseek(3,0x5000,0) = 20480 (0x5000)
read(0x3,0x8055000,0x1000) = 4096 (0x1000)
__sysctl(0xbfbffa8c,0x2,0x28128920,0xbfbffa88,0x0,0x0) = 0 (0x0)
getpid() = 37399 (0x9217)
break(0x8058000) = 0 (0x0)
open("/var/yp/binding/NO.2",0x0,05003156554) ERR#2 'No such file or directory'
close(-1) ERR#9 'Bad file descriptor'
break(0x8059000) = 0 (0x0)
gettimeofday(0xbfbff4cc,0x0) = 0 (0x0)
getpid() = 37399 (0x9217)
socket(0x2,0x2,0x11) = 4 (0x4)
getsockname(0x4,{ AF_INET 0.0.0.0:0 },0xbfbff3e0) = 0 (0x0)
getsockopt(0x4,0x0,0x13,0xbfbff3d8,0xbfbff3dc) = 0 (0x0)
setsockopt(0x4,0x0,0x13,0xbfbff3d4,0x4) = 0 (0x0)
bind(0x4,{ AF_INET 0.0.0.0:0 },16) = 0 (0x0)
ioctl(4,FIONBIO,0xbfbff4c8) = 0 (0x0)
sendto(0x4,0x80539f8,0x38,0x0,0x8053808,0x10) = 56 (0x38)
gettimeofday(0xbfbff414,0x0) = 0 (0x0)
select(0x5,0xbfbff484,0x0,0x0,0xbfbff40c) = 0 (0x0)
sendto(0x4,0x80539f8,0x38,0x0,0x8053808,0x10) = 56 (0x38)
gettimeofday(0xbfbff414,0x0) = 0 (0x0)
select(0x5,0xbfbff484,0x0,0x0,0xbfbff40c) = 0 (0x0)
sendto(0x4,0x80539f8,0x38,0x0,0x8053808,0x10) = 56 (0x38)
gettimeofday(0xbfbff414,0x0) = 0 (0x0)
select(0x5,0xbfbff484,0x0,0x0,0xbfbff40c) = 0 (0x0)
sendto(0x4,0x80539f8,0x38,0x0,0x8053808,0x10) = 56 (0x38)
gettimeofday(0xbfbff414,0x0) = 0 (0x0)
select(0x5,0xbfbff484,0x0,0x0,0xbfbff40c) = 0 (0x0)
sendto(0x4,0x80539f8,0x38,0x0,0x8053808,0x10) = 56 (0x38)
gettimeofday(0xbfbff414,0x0) = 0 (0x0)
select(0x5,0xbfbff484,0x0,0x0,0xbfbff40c) = 0 (0x0)
sendto(0x4,0x80539f8,0x38,0x0,0x8053808,0x10) = 56 (0x38)
gettimeofday(0xbfbff414,0x0) = 0 (0x0)
SIGNAL 2
SIGNAL 2
SIGNAL 2
process exit, rval = 2
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