1 files changed, 37 insertions, 0 deletions
diff --git a/sysctl.d/50-coredump.conf.in b/sysctl.d/50-coredump.conf.in
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+++ b/sysctl.d/50-coredump.conf.in
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+#  This file is part of systemd.
+#
+#  systemd is free software; you can redistribute it and/or modify it
+#  under the terms of the GNU Lesser General Public License as published by
+#  the Free Software Foundation; either version 2.1 of the License, or
+#  (at your option) any later version.
+
+# See sysctl.d(5) for the description of the files in this directory.
+
+# Pipe the core file to systemd-coredump. The systemd-coredump process spawned
+# by the kernel will start a second copy of itself as the
+# systemd-coredump@.service, which will do the actual processing and storing of
+# the core dump.
+#
+# See systemd-coredump(8) and core(5).
+kernel.core_pattern=|{{LIBEXECDIR}}/systemd-coredump %P %u %g %s %t %c %h
+
+# Allow 16 coredumps to be dispatched in parallel by the kernel.
+# We collect metadata from /proc/%P/, and thus need to make sure the crashed
+# processes are not reaped until we have finished collecting what we need. The
+# kernel default for this sysctl is "0" which means the kernel doesn't wait for
+# userspace to finish processing before reaping the crashed processes. With a
+# higher setting the kernel will delay reaping until we are done, but only for
+# the specified number of crashes in parallel. The value of 16 is chosen to
+# match systemd-coredump.socket's MaxConnections= value.
+kernel.core_pipe_limit=16
+
+# Also dump processes executing a set-user-ID/set-group-ID program that is
+# owned by a user/group other than the real user/group ID of the process, or
+# a program that has file capabilities. ("2" is called "suidsafe" in core(5)).
+#
+# systemd-coredump will store the core file owned by the effective uid and gid
+# of the running process (and not the filesystem-user-ID which the kernel uses
+# when saving a core dump).
+#
+# See proc(5), setuid(2), capabilities(7).
+fs.suid_dumpable=2