Merge branch 'kcm-fix-two-syzcaller-issues'

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Tom Herbert says:

====================
kcm: fix two syzcaller issues

In this patch set:

- Don't allow attaching non-TCP or listener sockets to a KCM mux.
- In kcm_attach Check if sk_user_data is already set. This is
  under lock to avoid race conditions. More work is need to make
  all of the users of sk_user_data to use the same locking.

- v2
  Remove unncessary check for not PF_KCM in kcm_attach (suggested by
  Guillaume Nault)
====================

Signed-off-by: David S. Miller <davem@davemloft.net>

...

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David S. Miller 2018-01-24 15:54:31 -05:00

parent d3303a65a0 e557124023

commit 88d1d76dca

1 changed files with 21 additions and 4 deletions

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net/kcm/kcmsock.c

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