icmp: Fix a data-race around sysctl_icmp_ignore_bogus_error_responses.
authorKuniyuki Iwashima <kuniyu@amazon.com>
Tue, 12 Jul 2022 00:15:25 +0000 (17:15 -0700)
committerDavid S. Miller <davem@davemloft.net>
Wed, 13 Jul 2022 11:56:49 +0000 (12:56 +0100)
commitb04f9b7e85c7d7aecbada620e8759a662af068d3
tree458781f1c16bfdd15f17fbacc2f2226ee4b7fadb
parent66484bb98ed2dfa1dda37a32411483d8311ac269
icmp: Fix a data-race around sysctl_icmp_ignore_bogus_error_responses.

While reading sysctl_icmp_ignore_bogus_error_responses, 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