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https://github.com/torvalds/linux
23 October 2021, 00:29:24 UTC
Revision 91a0b603469069cdcce4d572b7525ffc9fd352a6 authored by Jane Zhou on 24 November 2014, 19:44:08 UTC, committed by David S. Miller on 24 November 2014, 21:48:20 UTC 
net/ping: handle protocol mismatching scenario
 
ping_lookup() may return a wrong sock if sk_buff's and sock's protocols
dont' match. For example, sk_buff's protocol is ETH_P_IPV6, but sock's
sk_family is AF_INET, in that case, if sk->sk_bound_dev_if is zero, a wrong
sock will be returned.
the fix is to "continue" the searching, if no matching, return NULL.

Cc: "David S. Miller" <davem@davemloft.net>
Cc: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>
Cc: James Morris <jmorris@namei.org>
Cc: Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>
Cc: Patrick McHardy <kaber@trash.net>
Cc: netdev@vger.kernel.org
Cc: stable@vger.kernel.org
Signed-off-by: Jane Zhou <a17711@motorola.com>
Signed-off-by: Yiwei Zhao <gbjc64@motorola.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
1 parent 6e58040
History
Tip revision: 91a0b603469069cdcce4d572b7525ffc9fd352a6 authored by Jane Zhou on 24 November 2014, 19:44:08 UTC
net/ping: handle protocol mismatching scenario
Tip revision: 91a0b60
File Mode Size
Kconfig -rw-r--r-- 10.4 KB
Makefile -rw-r--r-- 460 bytes
autosleep.c -rw-r--r-- 2.6 KB
block_io.c -rw-r--r-- 2.4 KB
console.c -rw-r--r-- 3.5 KB
hibernate.c -rw-r--r-- 27.0 KB
main.c -rw-r--r-- 15.2 KB
power.h -rw-r--r-- 8.3 KB
poweroff.c -rw-r--r-- 990 bytes
process.c -rw-r--r-- 6.0 KB
qos.c -rw-r--r-- 17.2 KB
snapshot.c -rw-r--r-- 67.6 KB
suspend.c -rw-r--r-- 12.0 KB
suspend_test.c -rw-r--r-- 5.7 KB
swap.c -rw-r--r-- 35.8 KB
user.c -rw-r--r-- 10.0 KB
wakelock.c -rw-r--r-- 5.5 KB
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