On Jul 13, 2009, at 11:29 AM, Stephen John Smoogen wrote:
Hmm that sounds like something else is going on. I have done 10,000
accounts in minutes. I would check to see what the application is
trying to do. Does strace on the application show anything?
Hi,
After a whole bunch of read() functions on the contents of /etc/
passwd, strace shows these and freezes:
open("/etc/shadow.18178", O_WRONLY|O_CREAT|O_EXCL, 0600) = 5
write(5, "18178\0", 6) = 6
close(5) = 0
link("/etc/shadow.18178", "/etc/shadow.lock") = -1 EEXIST (File exists)
open("/etc/shadow.lock", O_RDWR) = 5
read(5, "13358\0", 31) = 6
close(5) = 0
kill(13358, SIG_0) = -1 ESRCH (No such process)
unlink("/etc/shadow.lock") = 0
link("/etc/shadow.18178", "/etc/shadow.lock") = 0
stat("/etc/shadow.18178", {st_mode=S_IFREG|0600, st_size=6, ...}) = 0
unlink("/etc/shadow.18178") = 0
open("/etc/shadow", O_RDWR) = -1 ENOENT (No such file or
directory)
open("/etc/login.defs", O_RDONLY) = 5
fstat(5, {st_mode=S_IFREG|0644, st_size=1521, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1,
0) = 0x2aba3a5d9000
read(5, "# *REQUIRED*\n# Directory where"..., 4096) = 1521
read(5, "", 4096) = 0
close(5) = 0
munmap(0x2aba3a5d9000, 4096) = 0
Anything obvious? Bad permissions? Malformed /etc/shadow ?
-Eugene
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