Ned Ludd wrote:
On Thu, 2005-06-02 at 09:16 -0700, Ben Munat wrote:
Patrick Witte wrote:
>
# lsof | grep DEL
will output a list 'open' files that have been deleted or changed in
filesystem but are still kept in memory.
That lsof is pretty neat... any idea why I would have dozens of files open -- across many
different processes -- under /var/tmp/portage? Isn't that directory just used while emerging?
This might be a security problem.
Can you send me the output of lsof /var/tmp/portage
Well that's weird: I get nothing for lsof /var/tmp/portage. But if I do just lsof without
args, I get hundreds of lines of output. Some of it looks like legitamte reports of open
files for daemons I have running. But there are also many, many lines like below... all
refering to non-existent files under /var/tmp/portage.
Would love to hear what this is about.
b
Here's some sample output; three chunks from different sections of the output:
authdaemo 1706 root mem REG 3,3 3091732
/var/tmp/portage/glibc-2.3.4.20040808-r1/image/lib/libnsl-2.3.4.so\040(deleted) (stat: No
such file or directory)
authdaemo 1706 root mem REG 3,3 1251304
/var/tmp/portage/openssl-0.9.7e-r1/image/usr/lib/libssl.so.0.9.7\040(deleted) (stat: No
such file or directory)
authdaemo 1706 root mem REG 3,3 1251301
/var/tmp/portage/openssl-0.9.7e-r1/image/usr/lib/libcrypto.so.0.9.7\040(deleted) (stat: No
such file or directory)
authdaemo 1706 root mem REG 3,3 3091917
/var/tmp/portage/glibc-2.3.4.20040808-r1/image/lib/libnss_compat-2.3.4.so\040(deleted)
(stat: No such file or directory)
authdaemo 1706 root mem REG 3,3 3091878
/var/tmp/portage/glibc-2.3.4.20040808-r1/image/lib/libnss_nis-2.3.4.so\040(deleted) (stat:
No such file or directory)
authdaemo 1706 root mem REG 3,3 3091937
/var/tmp/portage/glibc-2.3.4.20040808-r1/image/lib/libnss_files-2.3.4.so\040(deleted)
(stat: No such file or directory)
...
ntpd 1941 ntp mem REG 3,3 3091937
/var/tmp/portage/glibc-2.3.4.20040808-r1/image/lib/libnss_files-2.3.4.so\040(deleted)
(stat: No such file or directory)
ntpd 1941 ntp mem REG 3,3 3091877
/var/tmp/portage/glibc-2.3.4.20040808-r1/image/lib/libm-2.3.4.so\040(deleted) (stat: No
such file or directory)
ntpd 1941 ntp mem REG 3,3 1251301
/var/tmp/portage/openssl-0.9.7e-r1/image/usr/lib/libcrypto.so.0.9.7\040(deleted) (stat: No
such file or directory)
ntpd 1941 ntp mem REG 3,3 3091733
/var/tmp/portage/glibc-2.3.4.20040808-r1/image/lib/libc-2.3.4.so\040(deleted) (stat: No
such file or directory)
ntpd 1941 ntp mem REG 3,3 3091879
/var/tmp/portage/glibc-2.3.4.20040808-r1/image/lib/libdl-2.3.4.so\040(deleted) (stat: No
such file or directory)
ntpd 1941 ntp mem REG 3,3 3090143
/var/tmp/portage/glibc-2.3.4.20040808-r1/image/lib/libnss_dns-2.3.4.so\040(deleted) (stat:
No such file or directory)
ntpd 1941 ntp mem REG 3,3 3091734
/var/tmp/portage/glibc-2.3.4.20040808-r1/image/lib/libresolv-2.3.4.so\040(deleted) (stat:
No such file or directory)
ntpd 1941 ntp mem REG 3,3 3091917
/var/tmp/portage/glibc-2.3.4.20040808-r1/image/lib/libnss_compat-2.3.4.so\040(deleted)
(stat: No such file or directory)
ntpd 1941 ntp mem REG 3,3 3091732
/var/tmp/portage/glibc-2.3.4.20040808-r1/image/lib/libnsl-2.3.4.so\040(deleted) (stat: No
such file or directory)
...
mysqld 31977 mysql mem REG 3,3 5612824
/var/tmp/portage/glibc-2.3.4.20041102-r1/image/lib/librt-2.3.4.so\040(deleted) (stat: No
such file or directory)
mysqld 31977 mysql mem REG 3,3 29760 164499
/lib/libwrap.so.0.7.6
mysqld 31977 mysql mem REG 3,3 5612957
/var/tmp/portage/glibc-2.3.4.20041102-r1/image/lib/libdl-2.3.4.so\040(deleted) (stat: No
such file or directory)
mysqld 31977 mysql mem REG 3,3 1251304
/var/tmp/portage/openssl-0.9.7e-r1/image/usr/lib/libssl.so.0.9.7\040(deleted) (stat: No
such file or directory)
mysqld 31977 mysql mem REG 3,3 1251301
/var/tmp/portage/openssl-0.9.7e-r1/image/usr/lib/libcrypto.so.0.9.7\040(deleted) (stat: No
such file or directory)
mysqld 31977 mysql mem REG 3,3 5612802
/var/tmp/portage/glibc-2.3.4.20041102-r1/image/lib/libpthread-0.10.so\040(deleted) (stat:
No such file or directory)
mysqld 31977 mysql mem REG 3,3 65168 4078321
/lib/libz.so.1.2.2
mysqld 31977 mysql mem REG 3,3 5610555
/var/tmp/portage/glibc-2.3.4.20041102-r1/image/lib/libcrypt-2.3.4.so\040(deleted) (stat:
No such file or directory)
mysqld 31977 mysql mem REG 3,3 5612813
/var/tmp/portage/glibc-2.3.4.20041102-r1/image/lib/libnsl-2.3.4.so\040(deleted) (stat: No
such file or directory)
mysqld 31977 mysql mem REG 3,3 4662822
/usr/lib/gcc-lib/i686-pc-linux-gnu/3.3.5/libstdc++.so.5.0.7\040(deleted) (stat: No such
file or directory)
mysqld 31977 mysql mem REG 3,3 5612955
/var/tmp/portage/glibc-2.3.4.20041102-r1/image/lib/libm-2.3.4.so\040(deleted) (stat: No
such file or directory)
mysqld 31977 mysql mem REG 3,3 4662861
/usr/lib/gcc-lib/i686-pc-linux-gnu/3.3.5/libgcc_s.so.1\040(deleted) (stat: No such file or
directory)
mysqld 31977 mysql mem REG 3,3 5612814
/var/tmp/portage/glibc-2.3.4.20041102-r1/image/lib/libc-2.3.4.so\040(deleted) (stat: No
such file or directory)
mysqld 31977 mysql mem REG 3,3 5612995
/var/tmp/portage/glibc-2.3.4.20041102-r1/image/lib/libnss_compat-2.3.4.so\040(deleted)
(stat: No such file or directory)
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