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From 19bb218559b8dca65bbb68ad7a4ff0bc9cbfe8fb Mon Sep 17 00:00:00 2001
From: Stepan Broz <sbroz@redhat.com>
Date: Wed, 11 Mar 2020 14:45:26 +0100
Subject: [PATCH] journal: break recursion
available_space(s, true) tries to log the current status, which does, in
turn, lead to another call to available_space(s, true) and so on and so
on... The call sequence is:
available_space()
server_driver_message()
dispatch_message_real()
write_to_journal()
find_journal()
system_journal_open()
available_space()
RHEL-only
Resolves: #1778744
---
src/journal/journald-server.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/src/journal/journald-server.c b/src/journal/journald-server.c
index ffe2daa7be..11348af490 100644
--- a/src/journal/journald-server.c
+++ b/src/journal/journald-server.c
@@ -311,7 +311,7 @@ static bool flushed_flag_is_set(void) {
return access("/run/systemd/journal/flushed", F_OK) >= 0;
}
-static int system_journal_open(Server *s, bool flush_requested) {
+static int system_journal_open(Server *s, bool flush_requested, bool verbose) {
int r;
char *fn;
sd_id128_t machine;
@@ -344,7 +344,7 @@ static int system_journal_open(Server *s, bool flush_requested) {
if (r >= 0) {
server_fix_perms(s, s->system_journal, 0);
- available_space(s, true);
+ available_space(s, verbose);
} else {
if (r != -ENOENT && r != -EROFS)
log_warning_errno(r, "Failed to open system journal: %m");
@@ -406,7 +406,7 @@ static int system_journal_open(Server *s, bool flush_requested) {
if (s->runtime_journal) {
server_fix_perms(s, s->runtime_journal, 0);
- available_space(s, true);
+ available_space(s, verbose);
}
}
@@ -430,7 +430,7 @@ static JournalFile* find_journal(Server *s, uid_t uid) {
* else that's left the journals as NULL).
*
* Fixes https://github.com/systemd/systemd/issues/3968 */
- (void) system_journal_open(s, false);
+ (void) system_journal_open(s, false, false);
/* We split up user logs only on /var, not on /run. If the
* runtime file is open, we write to it exclusively, in order
@@ -1132,7 +1132,7 @@ int server_flush_to_var(Server *s, bool require_flag_file) {
if (require_flag_file && !flushed_flag_is_set())
return 0;
- system_journal_open(s, true);
+ system_journal_open(s, true, true);
if (!s->system_journal)
return 0;
@@ -1903,7 +1903,7 @@ int server_init(Server *s) {
(void) server_connect_notify(s);
- r = system_journal_open(s, false);
+ r = system_journal_open(s, false, true);
if (r < 0)
return r;