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-rw-r--r--src/core/main.c21
1 files changed, 14 insertions, 7 deletions
diff --git a/src/core/main.c b/src/core/main.c
index 0e6832c122..e2088574c0 100644
--- a/src/core/main.c
+++ b/src/core/main.c
@@ -172,19 +172,15 @@ noreturn static void crash(int sig) {
if (pid < 0)
log_emergency_errno(errno, "Caught <%s>, cannot fork for core dump: %m", signal_to_string(sig));
else if (pid == 0) {
- struct rlimit rl = {
- .rlim_cur = RLIM_INFINITY,
- .rlim_max = RLIM_INFINITY,
- };
-
/* Enable default signal handler for core dump */
+
sa = (struct sigaction) {
.sa_handler = SIG_DFL,
};
(void) sigaction(sig, &sa, NULL);
- /* Don't limit the core dump size */
- (void) setrlimit(RLIMIT_CORE, &rl);
+ /* Don't limit the coredump size */
+ (void) setrlimit(RLIMIT_CORE, &RLIMIT_MAKE_CONST(RLIM_INFINITY));
/* Just to be sure... */
(void) chdir("/");
@@ -1466,6 +1462,17 @@ int main(int argc, char *argv[]) {
kernel_timestamp = DUAL_TIMESTAMP_NULL;
}
+ if (getpid() == 1) {
+ /* Don't limit the core dump size, so that coredump handlers such as systemd-coredump (which honour the limit)
+ * will process core dumps for system services by default. */
+ (void) setrlimit(RLIMIT_CORE, &RLIMIT_MAKE_CONST(RLIM_INFINITY));
+
+ /* But at the same time, turn off the core_pattern logic by default, so that no coredumps are stored
+ * until the systemd-coredump tool is enabled via sysctl. */
+ if (!skip_setup)
+ (void) write_string_file("/proc/sys/kernel/core_pattern", "|/bin/false", 0);
+ }
+
/* Initialize default unit */
r = free_and_strdup(&arg_default_unit, SPECIAL_DEFAULT_TARGET);
if (r < 0) {