Thanks for reporting this. I have reported this upstream at
https://savannah.nongnu.org/bugs/index.php?47196 .
** Changed in: sysvinit (Ubuntu)
Status: New => Triaged
** Changed in: sysvinit (Ubuntu)
Importance: Undecided => Low
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https://bugs.launchpad.net/bugs/1546126
Title:
pidof is unsafe even with full path
Status in sysvinit package in Ubuntu:
Triaged
Bug description:
Manual page of pidof says: "When pidof is invoked with a full pathname
to the program it should find the pid of, it is reasonably safe.
Otherwise it is possible that it returns pids of running programs that
happen to have the same name as the program you're after but are
actually other programs."
However, in the following pidof displays the process number of /bin/sleep
sleep 5 & pidof /wrongdir/sleep
/wrongdir/sleep could be another executable, but the above happens
even if the file or even the /wrongdir does not exist.
However, if sleep was called with full path
$(command -v sleep) 5 & pidof /wrongdir/sleep
pidof does not display anything, which is expected.
ProblemType: Bug
DistroRelease: Ubuntu 15.10
Package: sysvinit-utils 2.88dsf-59.2ubuntu2.1
ProcVersionSignature: Ubuntu 4.2.0-27.32-generic 4.2.8-ckt1
Uname: Linux 4.2.0-27-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.19.1-0ubuntu5
Architecture: amd64
CurrentDesktop: XFCE
Date: Tue Feb 16 16:26:47 2016
Dependencies:
gcc-5-base 5.2.1-22ubuntu2
libc6 2.21-0ubuntu4
libgcc1 1:5.2.1-22ubuntu2
EcryptfsInUse: Yes
InstallationDate: Installed on 2015-11-21 (86 days ago)
InstallationMedia: Xubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
SourcePackage: sysvinit
UpgradeStatus: No upgrade log present (probably fresh install)
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