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From a81ba5e1bfabf643e11fec41c1ce646874ae0df1 Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Wed, 20 May 2015 14:37:21 +0200
Subject: [PATCH] journald: handle more gracefully when bind() fails on audit
sockets
(cherry picked from commit 417a7fdc418ec76cc4c321c9a07ec15c72b3ac7d)
Cherry-picked from: 417a7fd
Resolves: #1222517
---
src/journal/journald-audit.c | 11 ++++++++---
1 file changed, 8 insertions(+), 3 deletions(-)
diff --git a/src/journal/journald-audit.c b/src/journal/journald-audit.c
index 46eb82fa3..0e739a23a 100644
--- a/src/journal/journald-audit.c
+++ b/src/journal/journald-audit.c
@@ -532,9 +532,14 @@ int server_open_audit(Server *s) {
return 0;
}
- r = bind(s->audit_fd, &sa.sa, sizeof(sa.nl));
- if (r < 0)
- return log_error_errno(errno, "Failed to join audit multicast group: %m");
+ if (bind(s->audit_fd, &sa.sa, sizeof(sa.nl)) < 0) {
+ log_warning_errno(errno,
+ "Failed to join audit multicast group. "
+ "The kernel is probably too old or multicast reading is not supported. "
+ "Ignoring: %m");
+ s->audit_fd = safe_close(s->audit_fd);
+ return 0;
+ }
} else
fd_nonblock(s->audit_fd, 1);