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linux/net/packet
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Zhengchao Shao dc633700f0 net/af_packet: check len when min_header_len equals to 0 
User can use AF_PACKET socket to send packets with the length of 0.
When min_header_len equals to 0, packet_snd will call __dev_queue_xmit
to send packets, and sock->type can be any type.

Reported-by: syzbot+5ea725c25d06fb9114c4@syzkaller.appspotmail.com
Fixes: fd18942244 ("bpf: Don't redirect packets with invalid pkt_len")
Signed-off-by: Zhengchao Shao <shaozhengchao@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
History 2022-07-29 12:09:27 +01:00
..
af_packet.c net/af_packet: check len when min_header_len equals to 0 2022-07-29 12:09:27 +01:00
diag.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
internal.h net/packet: remove data races in fanout operations 2021-04-14 14:34:38 -07:00
Kconfig treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
Makefile treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00