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authorTopi Miettinen <topimiettinen@users.noreply.github.com>2016-06-09 07:32:04 +0000
committerLennart Poettering <lennart@poettering.net>2016-06-09 09:32:04 +0200
commit40093ce5dd4446c011377de6ec74d12a5b8a95b9 (patch)
treee1980f5efa72cbe55478406b19e67f4054ce323a /units/systemd-journald.service.in
parentd9c11f2b01463e33a0b453e013786b5b79182dbe (diff)
units: add a basic SystemCallFilter (#3471)
Add a line SystemCallFilter=~@clock @module @mount @obsolete @raw-io ptrace for daemons shipped by systemd. As an exception, systemd-timesyncd needs @clock system calls and systemd-localed is not privileged. ptrace(2) is blocked to prevent seccomp escapes.
Diffstat (limited to 'units/systemd-journald.service.in')
-rw-r--r--units/systemd-journald.service.in1
1 files changed, 1 insertions, 0 deletions
diff --git a/units/systemd-journald.service.in b/units/systemd-journald.service.in
index 06abe04861..58808d4f8c 100644
--- a/units/systemd-journald.service.in
+++ b/units/systemd-journald.service.in
@@ -25,6 +25,7 @@ CapabilityBoundingSet=CAP_SYS_ADMIN CAP_DAC_OVERRIDE CAP_SYS_PTRACE CAP_SYSLOG C
WatchdogSec=3min
FileDescriptorStoreMax=1024
MemoryDenyWriteExecute=yes
+SystemCallFilter=~@clock @module @mount @obsolete @raw-io ptrace
# Increase the default a bit in order to allow many simultaneous
# services being run since we keep one fd open per service. Also, when