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(parent: 44021c2) | patch
icmp: Fix a data-race around sysctl_icmp_errors_use_inbound_ifaddr.
authorKuniyuki Iwashima <kuniyu@amazon.com>
Tue, 12 Jul 2022 00:15:26 +0000 (17:15 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 21 Jul 2022 19:24:27 +0000 (21:24 +0200)
commitde9490c32bc10020efdd1509689a28f197d6dfb8
tree8e754e209b57070e057c9b4cb6c7f4b9bf44318ctree | snapshot
parent44021c2929cf5f6afb10c606cacde4256cf03205commit | diff
icmp: Fix a data-race around sysctl_icmp_errors_use_inbound_ifaddr.

[ Upstream commit d2efabce81db7eed1c98fa1a3f203f0edd738ac3 ]

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

Fixes: 1c2fb7f93cb2 ("[IPV4]: Sysctl configurable icmp error source address.")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
net/ipv4/icmp.c diff | blob | history
net/ipv4/sysctl_net_ipv4.c diff | blob | history
Domain: System / Kernel;