diff options
| author |   Eric Dumazet <edumazet@google.com> | 2017-12-10 17:55:03 -0800 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2017-12-12 10:53:04 -0500 |
| commit | 607065bad9931e72207b0cac365d7d4abc06bd99 (patch) | |
| tree | d18808d1c3bf46dd8a899c3877257ea8c4961b61 /include | |
| parent | tcp: do not overshoot window_clamp in tcp_rcv_space_adjust() (diff) | |
| download | linux-dev-607065bad9931e72207b0cac365d7d4abc06bd99.tar.xz linux-dev-607065bad9931e72207b0cac365d7d4abc06bd99.zip | |
tcp: avoid integer overflows in tcp_rcv_space_adjust()
When using large tcp_rmem[2] values (I did tests with 500 MB),
I noticed overflows while computing rcvwin.
Lets fix this before the following patch.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Soheil Hassas Yeganeh <soheil@google.com>
Acked-by: Wei Wang <weiwan@google.com>
Acked-by: Neal Cardwell <ncardwell@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/tcp.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/tcp.h b/include/linux/tcp.h index ca4a6361389b..4f93f0953c41 100644 --- a/include/linux/tcp.h +++ b/include/linux/tcp.h @@ -344,7 +344,7 @@ struct tcp_sock { /* Receiver queue space */ struct { - int space; + u32 space; u32 seq; u64 time; } rcvq_space; |