[Bug 1898493] [NEW] /dev/dri/card0 not closed when plasmashell forks
1898493 at bugs.launchpad.net
Mon Oct 5 01:33:42 UTC 2020
Public bug reported:
plasmashell forks xterm. xterm inherits /dev/dri/card0 open on fd 15.
Working as designed? Or forgot to close it/mark it as CLOEXEC?
# lsof -p 2624 | grep /dev/dri
plasmashe 2624 kaos 12u CHR 226,0 0t0 347 /dev/dri/card0
plasmashe 2624 kaos 13u CHR 226,0 0t0 347 /dev/dri/card0
plasmashe 2624 kaos 14u CHR 226,0 0t0 347 /dev/dri/card0
plasmashe 2624 kaos 15u CHR 226,0 0t0 347 /dev/dri/card0
xterm child on pid 3659
# lsof -p 3659 | grep /dev/dri
xterm 3659 kaos 15u CHR 226,0 0t0 347 /dev/dri/card0
strace 2624 shows no close for fd 12, 13, 14 but they are not inherited
by 3659. So they are probably marked CLOEXEC. But fd 15 is left open and
is inherited by all children of plasmashell.
DistroRelease: Ubuntu 20.04
Package: plasma-workspace 4:5.18.5-0ubuntu0.1
ProcVersionSignature: Ubuntu 5.4.0-48.52-generic 5.4.60
Uname: Linux 5.4.0-48-generic x86_64
Date: Mon Oct 5 12:24:05 2020
InstallationDate: Installed on 2017-07-12 (1180 days ago)
InstallationMedia: Kubuntu 16.04.2 LTS "Xenial Xerus" - Release amd64 (20170215)
UpgradeStatus: Upgraded to focal on 2020-06-21 (105 days ago)
** Affects: plasma-workspace (Ubuntu)
** Tags: amd64 apport-bug focal
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/dev/dri/card0 not closed when plasmashell forks
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