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authorAlexey Dobriyan <adobriyan@gmail.com>2010-01-30 02:53:27 +0000
committerDavid S. Miller <davem@davemloft.net>2010-02-03 18:11:11 -0800
commit180211b841b5bf13ab10d19202adab3eb7749f6c (patch)
treeeeb1a2a2136e03a4a38dc09d26b8dd83b47994c9 /crypto/sha512_generic.c
parentf98bfbd78c37c5946cc53089da32a5f741efdeb7 (diff)
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af_key: fix netns ops ordering on module load/unload
1. After sock_register() returns, it's possible to create sockets, even if module still not initialized fully (blame generic module code for that!) 2. Consequently, pfkey_create() can be called with pfkey_net_id still not initialized which will BUG_ON in net_generic(): kernel BUG at include/net/netns/generic.h:43! 3. During netns shutdown, netns ops should be unregistered after key manager unregistered because key manager calls can be triggered from xfrm_user module: general protection fault: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC pfkey_broadcast+0x111/0x210 [af_key] pfkey_send_notify+0x16a/0x300 [af_key] km_state_notify+0x41/0x70 xfrm_flush_sa+0x75/0x90 [xfrm_user] 4. Unregister netns ops after socket ops just in case and for symmetry. Reported by Luca Tettamanti. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Tested-by: Luca Tettamanti <kronos.it@gmail.com> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'crypto/sha512_generic.c')
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