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50-coredump.conf.in
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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=|@rootlibexecdir@/systemd-coredump %P %u %g %s %t %c %h
# Allow that 16 coredumps are dispatched in parallel by the kernel. We want to
# be able to collect process metadata from /proc/%P/ while processing
# coredumps, and thus need to make sure the crashed processes are not reaped
# until we finished collecting what we need. The kernel default for this sysctl
# is "0" which means the kernel doesn't wait for userspace processes to finish
# processing before reaping the crashed processes — by setting this higher 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