]> git.baikalelectronics.ru Git - kernel.git/commit
icmp: Fix a data-race around sysctl_icmp_echo_ignore_broadcasts.
authorKuniyuki Iwashima <kuniyu@amazon.com>
Tue, 12 Jul 2022 00:15:24 +0000 (17:15 -0700)
committerDavid S. Miller <davem@davemloft.net>
Wed, 13 Jul 2022 11:56:49 +0000 (12:56 +0100)
commit9fa90de80a0e725329dff29e984e49bd4af20762
treeeeb5af155c8f1ac8c521627eb13e7b5bb2394064
parentf81929d7bae00e78b813879fac8978b59538a513
icmp: Fix a data-race around sysctl_icmp_echo_ignore_broadcasts.

While reading sysctl_icmp_echo_ignore_broadcasts, it can be changed
concurrently.  Thus, we need to add READ_ONCE() to its reader.

Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/ipv4/icmp.c
net/ipv4/sysctl_net_ipv4.c