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b5ed54e9

Commit b5ed54e9 authored 14 years ago by stephen hemminger Committed by David S. Miller 14 years ago

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bridge: fix RCU races with bridge port


The macro br_port_exists() is not enough protection when only
RCU is being used. There is a tiny race where other CPU has cleared port
handler hook, but is bridge port flag might still be set.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 61391cde

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Changes 8

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net/bridge/br_fdb.c 9 additions, 6 deletions

net/bridge/br_fdb.c
net/bridge/br_if.c 1 addition, 4 deletions

net/bridge/br_if.c
net/bridge/br_netfilter.c 7 additions, 6 deletions

net/bridge/br_netfilter.c
net/bridge/br_netlink.c 6 additions, 4 deletions

net/bridge/br_netlink.c
net/bridge/br_notify.c 1 addition, 1 deletion

net/bridge/br_notify.c
net/bridge/br_private.h 11 additions, 3 deletions

net/bridge/br_private.h
net/bridge/br_stp_bpdu.c 4 additions, 4 deletions

net/bridge/br_stp_bpdu.c
net/bridge/netfilter/ebtables.c 5 additions, 6 deletions

net/bridge/netfilter/ebtables.c

with 44 additions and 34 deletions

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Vikram Narayanan @vikram
Mentioned in commit 859828c0
· 8 years ago

Mentioned in commit 859828c0

Mentioned in commit 859828c0ea476b42f3a93d69d117aaba90994b6f

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