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Description of problem:
Customer said that when enabling sudo I/O logging the first commands executed at the same time fails with message "unable to mkdir", i.e.
Aug 6 20:00:09 <HOSTNAME> sudo: e6oper : unable to mkdir /var/log/sudo-io : File exists ; TTY=unknown ; PWD=/home/xxx ; USER=root ; COMMAND=/bin/su - ftpzpa --session-command -C /local/adapter/sstpat/tools/KACONSAP_I_01.sh Stop ProcessDown
Aug 6 20:00:09 <HOSTNAME> sudo: e6oper : TTY=unknown ; PWD=/home/xxxx ; USER=root ; TSID=000001 ; COMMAND=/bin/su - ftpzpa --session-command -C /local/adapter/sstpat/tools/ECONSAP_I_01.sh Stop ProcessDown
Based on the source code, two processes possibility getting to the following point at the same time:
if (stat(path, &sb) != 0) {
if (mkdir(path, S_IRWXU) != 0)
log_fatal(USE_ERRNO, _("unable to mkdir %s"), path);
(taken from plugins/sudoers/iolog.c).
Both processes verify that the directory doesn't exist, 1st process create the directory, the second process mkdir fails.
Version-Release number of selected component (if applicable):
sudo-1.8.6p3-24.el6.x86_64
How reproducible:
Steps to Reproduce:
1.
2.
3.
Actual results:
Expected results:
Additional info:
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.
https://rhn.redhat.com/errata/RHBA-2017-0704.html
Description of problem: Customer said that when enabling sudo I/O logging the first commands executed at the same time fails with message "unable to mkdir", i.e. Aug 6 20:00:09 <HOSTNAME> sudo: e6oper : unable to mkdir /var/log/sudo-io : File exists ; TTY=unknown ; PWD=/home/xxx ; USER=root ; COMMAND=/bin/su - ftpzpa --session-command -C /local/adapter/sstpat/tools/KACONSAP_I_01.sh Stop ProcessDown Aug 6 20:00:09 <HOSTNAME> sudo: e6oper : TTY=unknown ; PWD=/home/xxxx ; USER=root ; TSID=000001 ; COMMAND=/bin/su - ftpzpa --session-command -C /local/adapter/sstpat/tools/ECONSAP_I_01.sh Stop ProcessDown Based on the source code, two processes possibility getting to the following point at the same time: if (stat(path, &sb) != 0) { if (mkdir(path, S_IRWXU) != 0) log_fatal(USE_ERRNO, _("unable to mkdir %s"), path); (taken from plugins/sudoers/iolog.c). Both processes verify that the directory doesn't exist, 1st process create the directory, the second process mkdir fails. Version-Release number of selected component (if applicable): sudo-1.8.6p3-24.el6.x86_64 How reproducible: Steps to Reproduce: 1. 2. 3. Actual results: Expected results: Additional info: