abort batch processing and return so task can exit faster.
Otherwise even SIGKILL has no immediate effect.
Signed-off-by: Florian Westphal <fw@xxxxxxxxx>
---
net/netfilter/nfnetlink.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/net/netfilter/nfnetlink.c b/net/netfilter/nfnetlink.c
index 03ead8a9e90c..363e8c6898ee 100644
--- a/net/netfilter/nfnetlink.c
+++ b/net/netfilter/nfnetlink.c
@@ -25,6 +25,7 @@
#include <linux/uaccess.h>
#include <net/sock.h>
#include <linux/init.h>
+#include <linux/sched/signal.h>
#include <net/netlink.h>
#include <linux/netfilter/nfnetlink.h>
@@ -330,6 +331,13 @@ static void nfnetlink_rcv_batch(struct sk_buff *skb, struct nlmsghdr *nlh,
while (skb->len >= nlmsg_total_size(0)) {
int msglen, type;
+ if (fatal_signal_pending(current)) {
+ nfnl_err_reset(&err_list);
+ err = -EINTR;
+ status = NFNL_BATCH_FAILURE;
+ goto done;
+ }
+
memset(&extack, 0, sizeof(extack));
nlh = nlmsg_hdr(skb);
err = 0;
--
2.16.1
--
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