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![]() When device flags are set using rtnetlink, IFF_PROMISC and IFF_ALLMULTI flags are handled specially. Function dev_change_flags sets IFF_PROMISC and IFF_ALLMULTI bits in dev->gflags according to the passed value but do_setlink passes a result of rtnl_dev_combine_flags which takes those bits from dev->flags. This can be easily trigerred by doing: tcpdump -i eth0 & ip l s up eth0 ip sets IFF_UP flag in ifi_flags and ifi_change, which is combined with IFF_PROMISC by rtnl_dev_combine_flags, causing __dev_change_flags to set IFF_PROMISC in gflags. Reported-by: Max Matveev <makc@redhat.com> Signed-off-by: Jiri Benc <jbenc@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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.. | ||
datagram.c | ||
dev_addr_lists.c | ||
dev.c | ||
drop_monitor.c | ||
dst.c | ||
ethtool.c | ||
fib_rules.c | ||
filter.c | ||
flow_dissector.c | ||
flow.c | ||
gen_estimator.c | ||
gen_stats.c | ||
iovec.c | ||
link_watch.c | ||
Makefile | ||
neighbour.c | ||
net_namespace.c | ||
net-sysfs.c | ||
net-sysfs.h | ||
net-traces.c | ||
netevent.c | ||
netpoll.c | ||
netprio_cgroup.c | ||
pktgen.c | ||
request_sock.c | ||
rtnetlink.c | ||
scm.c | ||
secure_seq.c | ||
skbuff.c | ||
sock_diag.c | ||
sock.c | ||
stream.c | ||
sysctl_net_core.c | ||
timestamping.c | ||
user_dma.c | ||
utils.c |