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| author |   Eric Dumazet <eric.dumazet@gmail.com> | 2010-05-29 00:20:48 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2010-05-29 00:20:48 -0700 |
| commit | 2903037400a26e7c0cc93ab75a7d62abfacdf485 (patch) | |
| tree | c29d8b3199d8fa52856e5edcd374411f962d7c11 /drivers/net | |
| parent | Phonet: listening socket lock protects the connected socket list (diff) | |
| download | linux-dev-2903037400a26e7c0cc93ab75a7d62abfacdf485.tar.xz linux-dev-2903037400a26e7c0cc93ab75a7d62abfacdf485.zip | |
net: fix sk_forward_alloc corruptions
As David found out, sock_queue_err_skb() should be called with socket
lock hold, or we risk sk_forward_alloc corruption, since we use non
atomic operations to update this field.
This patch adds bh_lock_sock()/bh_unlock_sock() pair to three spots.
(BH already disabled)
1) skb_tstamp_tx()
2) Before calling ip_icmp_error(), in __udp4_lib_err()
3) Before calling ipv6_icmp_error(), in __udp6_lib_err()
Reported-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
0 files changed, 0 insertions, 0 deletions