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(parent: 8e92d44) | patch
tcp: Fix a data-race around sysctl_tcp_probe_threshold.
authorKuniyuki Iwashima <kuniyu@amazon.com>
Wed, 13 Jul 2022 20:52:04 +0000 (13:52 -0700)
committerDavid S. Miller <davem@davemloft.net>
Fri, 15 Jul 2022 10:49:56 +0000 (11:49 +0100)
commit92c0aa4175474483d6cf373314343d4e624e882a
treeac866e910a3ac09ff6795782a0582697db17dcfbtree
parent8e92d4423615a5257d0d871fc067aa561f597debcommit | diff
tcp: Fix a data-race around sysctl_tcp_probe_threshold.

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

Fixes: 6b58e0a5f32d ("ipv4: Use binary search to choose tcp PMTU probe_size")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/ipv4/tcp_output.c diff | blob | history
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