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David S. Miller 3610cda53f af_unix: Avoid socket->sk NULL OOPS in stream connect security hooks. 
unix_release() can asynchornously set socket->sk to NULL, and
it does so without holding the unix_state_lock() on "other"
during stream connects.

However, the reverse mapping, sk->sk_socket, is only transitioned
to NULL under the unix_state_lock().

Therefore make the security hooks follow the reverse mapping instead
of the forward mapping.

Reported-by: Jeremy Fitzhardinge <jeremy@goop.org>
Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-01-05 15:38:53 -08:00
..
apparmor APPARMOR: Fix memory leak of apparmor_init() 2010-11-11 07:36:22 +11:00
integrity/ima IMA: fix the ToMToU logic 2010-10-26 11:37:19 -07:00
keys KEYS: Don't call up_write() if __key_link_begin() returns an error 2010-12-23 15:31:48 -08:00
selinux af_unix: Avoid socket->sk NULL OOPS in stream connect security hooks. 2011-01-05 15:38:53 -08:00
smack af_unix: Avoid socket->sk NULL OOPS in stream connect security hooks. 2011-01-05 15:38:53 -08:00
tomoyo fs: take dcache_lock inside __d_path 2010-10-25 21:26:12 -04:00
capability.c af_unix: Avoid socket->sk NULL OOPS in stream connect security hooks. 2011-01-05 15:38:53 -08:00
commoncap.c capabilities/syslog: open code cap_syslog logic to fix build failure 2010-11-15 15:40:01 -08:00
device_cgroup.c Merge branch 'master' into next 2010-05-06 10:56:07 +10:00
inode.c convert get_sb_single() users 2010-10-29 04:16:28 -04:00
Kconfig Restrict unprivileged access to kernel syslog 2010-11-12 07:55:32 -08:00
lsm_audit.c Merge branch 'master' into next 2010-05-06 10:56:07 +10:00
Makefile AppArmor: Enable configuring and building of the AppArmor security module 2010-08-02 15:38:34 +10:00
min_addr.c mmap_min_addr check CAP_SYS_RAWIO only for write 2010-04-23 08:56:31 +10:00
security.c af_unix: Avoid socket->sk NULL OOPS in stream connect security hooks. 2011-01-05 15:38:53 -08:00