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(parent: 9b55c20) | patch
udp: Fix a data-race around sysctl_udp_l3mdev_accept.
authorKuniyuki Iwashima <[email protected]>
Mon, 18 Jul 2022 17:26:43 +0000 (10:26 -0700)
committerDavid S. Miller <[email protected]>
Wed, 20 Jul 2022 09:14:49 +0000 (10:14 +0100)
commit3d72bb4188c708bb16758c60822fc4dda7a95174
treef799bca36a06cccad7bc3b26c6bd645b01e9aac6tree | snapshot
parent9b55c20f83369dd54541d9ddbe3a018a8377f451commit | diff
udp: Fix a data-race around sysctl_udp_l3mdev_accept.

While reading sysctl_udp_l3mdev_accept, it can be changed concurrently.
Thus, we need to add READ_ONCE() to its reader.

Fixes: 63a6fff353d0 ("net: Avoid receiving packets with an l3mdev on unbound UDP sockets")
Signed-off-by: Kuniyuki Iwashima <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
include/net/udp.h diff | blob | blame | history
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