|
 |
62b62a |
From b92fae31236301ba1fcca604c68bb4e908318c49 Mon Sep 17 00:00:00 2001
|
|
|
b2c191 |
From: Lennart Poettering <lennart@poettering.net>
|
|
|
b2c191 |
Date: Tue, 4 Dec 2018 22:13:39 +0100
|
|
|
b2c191 |
Subject: [PATCH] resolved: pin stream while calling callbacks for it
|
|
|
b2c191 |
|
|
|
b2c191 |
These callbacks might unref the stream, but we still have to access it,
|
|
|
b2c191 |
let's hence ref it explicitly.
|
|
|
b2c191 |
|
|
|
b2c191 |
Maybe fixes: #10725
|
|
|
b2c191 |
|
|
|
b2c191 |
(cherry picked from commit d973d94dec349fb676fdd844f6fe2ada3538f27c)
|
|
|
b2c191 |
|
|
|
b2c191 |
Resolves: #2110548
|
|
|
b2c191 |
---
|
|
|
b2c191 |
src/resolve/resolved-dns-stream.c | 4 +++-
|
|
|
b2c191 |
1 file changed, 3 insertions(+), 1 deletion(-)
|
|
|
b2c191 |
|
|
|
b2c191 |
diff --git a/src/resolve/resolved-dns-stream.c b/src/resolve/resolved-dns-stream.c
|
|
|
62b62a |
index 555e200a23..ca0313d1d7 100644
|
|
|
b2c191 |
--- a/src/resolve/resolved-dns-stream.c
|
|
|
b2c191 |
+++ b/src/resolve/resolved-dns-stream.c
|
|
|
b2c191 |
@@ -42,6 +42,8 @@ static int dns_stream_update_io(DnsStream *s) {
|
|
|
b2c191 |
}
|
|
|
b2c191 |
|
|
|
b2c191 |
static int dns_stream_complete(DnsStream *s, int error) {
|
|
|
b2c191 |
+ _cleanup_(dns_stream_unrefp) _unused_ DnsStream *ref = dns_stream_ref(s); /* Protect stream while we process it */
|
|
|
b2c191 |
+
|
|
|
b2c191 |
assert(s);
|
|
|
b2c191 |
|
|
|
b2c191 |
#if ENABLE_DNS_OVER_TLS
|
|
|
62b62a |
@@ -316,7 +318,7 @@ static int on_stream_timeout(sd_event_source *es, usec_t usec, void *userdata) {
|
|
|
b2c191 |
}
|
|
|
b2c191 |
|
|
|
b2c191 |
static int on_stream_io(sd_event_source *es, int fd, uint32_t revents, void *userdata) {
|
|
|
b2c191 |
- DnsStream *s = userdata;
|
|
|
b2c191 |
+ _cleanup_(dns_stream_unrefp) DnsStream *s = dns_stream_ref(userdata); /* Protect stream while we process it */
|
|
|
b2c191 |
int r;
|
|
|
b2c191 |
|
|
|
b2c191 |
assert(s);
|