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| author | Phillip Potter <phil@philpotter.co.uk> | 2021-04-06 20:45:54 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-04-07 02:52:21 +0300 |
| commit | cca8ea3b05c972ffb5295367e6c544369b45fbdd (patch) | |
| tree | f13f95fc5dac5b583891c2a2c3c8939602009844 /Documentation/networking/ethtool-netlink.rst | |
| parent | 63cf32389925e234d166fb1a336b46de7f846003 (diff) | |
| download | linux-cca8ea3b05c972ffb5295367e6c544369b45fbdd.tar.xz | |
net: tun: set tun->dev->addr_len during TUNSETLINK processing
When changing type with TUNSETLINK ioctl command, set tun->dev->addr_len
to match the appropriate type, using new tun_get_addr_len utility function
which returns appropriate address length for given type. Fixes a
KMSAN-found uninit-value bug reported by syzbot at:
https://syzkaller.appspot.com/bug?id=0766d38c656abeace60621896d705743aeefed51
Reported-by: syzbot+001516d86dbe88862cec@syzkaller.appspotmail.com
Diagnosed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Phillip Potter <phil@philpotter.co.uk>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'Documentation/networking/ethtool-netlink.rst')
0 files changed, 0 insertions, 0 deletions