This is a note to let you know that I've just added the patch titled
ipv4: disable BH in set_ping_group_range()
to the 4.8-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
ipv4-disable-bh-in-set_ping_group_range.patch
and it can be found in the queue-4.8 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From foo@baz Thu Nov 10 16:43:03 CET 2016
From: Eric Dumazet <edumazet@xxxxxxxxxx>
Date: Thu, 20 Oct 2016 10:26:48 -0700
Subject: ipv4: disable BH in set_ping_group_range()
From: Eric Dumazet <edumazet@xxxxxxxxxx>
[ Upstream commit a681574c99be23e4d20b769bf0e543239c364af5 ]
In commit 4ee3bd4a8c746 ("ipv4: disable BH when changing ip local port
range") Cong added BH protection in set_local_port_range() but missed
that same fix was needed in set_ping_group_range()
Fixes: b8f1a55639e6 ("udp: Add function to make source port for UDP tunnels")
Signed-off-by: Eric Dumazet <edumazet@xxxxxxxxxx>
Reported-by: Eric Salo <salo@xxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
net/ipv4/sysctl_net_ipv4.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/net/ipv4/sysctl_net_ipv4.c
+++ b/net/ipv4/sysctl_net_ipv4.c
@@ -109,10 +109,10 @@ static void set_ping_group_range(struct
kgid_t *data = table->data;
struct net *net =
container_of(table->data, struct net, ipv4.ping_group_range.range);
- write_seqlock(&net->ipv4.ip_local_ports.lock);
+ write_seqlock_bh(&net->ipv4.ip_local_ports.lock);
data[0] = low;
data[1] = high;
- write_sequnlock(&net->ipv4.ip_local_ports.lock);
+ write_sequnlock_bh(&net->ipv4.ip_local_ports.lock);
}
/* Validate changes from /proc interface. */
Patches currently in stable-queue which might be from edumazet@xxxxxxxxxx are
queue-4.8/ipv4-use-the-right-lock-for-ping_group_range.patch
queue-4.8/ipv4-disable-bh-in-set_ping_group_range.patch
queue-4.8/udp-fix-ip_checksum-handling.patch
queue-4.8/netlink-do-not-enter-direct-reclaim-from-netlink_dump.patch
queue-4.8/ipv6-tcp-restore-ip6cb-for-pktoptions-skbs.patch
queue-4.8/packet-on-direct_xmit-limit-tso-and-csum-to-supported-devices.patch
queue-4.8/net-pktgen-remove-rcu-locking-in-pktgen_change_name.patch
--
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