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(parent: 77b9fc3) | patch
net: fool proof dev_valid_name()
authorEric Dumazet <edumazet@google.com>
Thu, 5 Apr 2018 13:39:26 +0000 (06:39 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 12 Apr 2018 10:32:25 +0000 (12:32 +0200)
commit048a64fbc22973d39568a0f569bf2877310f129e
treea1928c9bf7330c9da44bf7356bb0306479ef545ftree | snapshot
parent77b9fc371d4d45e330acab7a1065e9f9b41cf58dcommit | diff
net: fool proof dev_valid_name()

[ Upstream commit a9d48205d0aedda021fc3728972a9e9934c2b9de ]

We want to use dev_valid_name() to validate tunnel names,
so better use strnlen(name, IFNAMSIZ) than strlen(name) to make
sure to not upset KASAN.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
net/core/dev.c diff | blob | history
Domain: System / Kernel;