Public bug reported:
The patches used to ignore errors in containers no longer work as of
3.3.16 due to upstream commit https://gitlab.com/procps-
ng/procps/-/commit/7af88da373bb4d515a98ec2f0f5d56c63904f932
The ignore_eacces patch was fuzzed and gets applied to ReadSetting, not
WriteSetting
Both patches ignore the change that rc is no longer propagated up and instead
everything is trapped by:
if (!ignore_failure && errno != ENOENT)
rc = -1;
Versions affected: focal+
root@bfee89058713:/tmp# cat /etc/os-release
NAME="Ubuntu"
VERSION="20.10 (Groovy Gorilla)"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu 20.10"
VERSION_ID="20.10"
HOME_URL="https://www.ubuntu.com/";
SUPPORT_URL="https://help.ubuntu.com/";
BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/";
PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy";
VERSION_CODENAME=groovy
UBUNTU_CODENAME=groovy
root@bfee89058713:/# dpkg -l procps
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name Version Architecture Description
+++-==============-=================-============-=================================
ii procps 2:3.3.16-5ubuntu2 amd64 /proc file system utilities
root@bfee89058713:/# echo "kernel.shmmax = 17179869184" > shmmax.conf
root@bfee89058713:/# sysctl -e -p shmmax.conf; echo $?
sysctl: setting key "kernel.shmmax": Read-only file system
255
root@bfee89058713:/# echo "-kernel.shmmax = 17179869184" > shmmax.conf
root@bfee89058713:/# sysctl -e -p shmmax.conf; echo $?
sysctl: setting key "kernel.shmmax": Read-only file system
0
** Affects: procps (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1903351
Title:
ignore_eacces and ignore_erofs patches don't work properly
Status in procps package in Ubuntu:
New
Bug description:
The patches used to ignore errors in containers no longer work as of
3.3.16 due to upstream commit https://gitlab.com/procps-
ng/procps/-/commit/7af88da373bb4d515a98ec2f0f5d56c63904f932
The ignore_eacces patch was fuzzed and gets applied to ReadSetting, not
WriteSetting
Both patches ignore the change that rc is no longer propagated up and instead
everything is trapped by:
if (!ignore_failure && errno != ENOENT)
rc = -1;
Versions affected: focal+
root@bfee89058713:/tmp# cat /etc/os-release
NAME="Ubuntu"
VERSION="20.10 (Groovy Gorilla)"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu 20.10"
VERSION_ID="20.10"
HOME_URL="https://www.ubuntu.com/";
SUPPORT_URL="https://help.ubuntu.com/";
BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/";
PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy";
VERSION_CODENAME=groovy
UBUNTU_CODENAME=groovy
root@bfee89058713:/# dpkg -l procps
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name Version Architecture Description
+++-==============-=================-============-=================================
ii procps 2:3.3.16-5ubuntu2 amd64 /proc file system utilities
root@bfee89058713:/# echo "kernel.shmmax = 17179869184" > shmmax.conf
root@bfee89058713:/# sysctl -e -p shmmax.conf; echo $?
sysctl: setting key "kernel.shmmax": Read-only file system
255
root@bfee89058713:/# echo "-kernel.shmmax = 17179869184" > shmmax.conf
root@bfee89058713:/# sysctl -e -p shmmax.conf; echo $?
sysctl: setting key "kernel.shmmax": Read-only file system
0
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