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kernel_optimize_test/net/xfrm
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Visa Hankala 6daa52884c xfrm: Fix wraparound in xfrm_policy_addr_delta() 
[ Upstream commit da64ae2d35d3673233f0403b035d4c6acbf71965 ]

Use three-way comparison for address components to avoid integer
wraparound in the result of xfrm_policy_addr_delta(). This ensures
that the search trees are built and traversed correctly.

Treat IPv4 and IPv6 similarly by returning 0 when prefixlen == 0.
Prefix /0 has only one equivalence class.

Fixes: 9cf545ebd5 ("xfrm: policy: store inexact policies in a tree ordered by destination address")
Signed-off-by: Visa Hankala <visa@hankala.org>
Acked-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2021-02-03 23:28:45 +01:00
..
espintcp.c espintcp: restore IP CB before handing the packet to xfrm 2020-08-17 15:58:04 +02:00
Kconfig xfrm/compat: Add 32=>64-bit messages translator 2020-09-24 08:53:03 +02:00
Makefile xfrm: Provide API to register translator module 2020-09-24 08:53:03 +02:00
xfrm_algo.c
xfrm_compat.c xfrm/compat: Don't allocate memory with __GFP_ZERO 2020-11-09 07:34:56 +01:00
xfrm_device.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-06-25 19:29:51 -07:00
xfrm_hash.c
xfrm_hash.h
xfrm_inout.h xfrm: move xfrm4_extract_header to common helper 2020-05-06 09:40:08 +02:00
xfrm_input.c xfrm: Fix oops in xfrm_replay_advance_bmp 2021-02-03 23:28:45 +01:00
xfrm_interface.c Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec 2020-11-04 08:12:52 -08:00
xfrm_ipcomp.c
xfrm_output.c xfrm: merge fixup for "remove output_finish indirection from xfrm_state_afinfo" 2020-06-05 08:10:08 +02:00
xfrm_policy.c xfrm: Fix wraparound in xfrm_policy_addr_delta() 2021-02-03 23:28:45 +01:00
xfrm_proc.c
xfrm_replay.c xfrm: introduce oseq-may-wrap flag 2020-06-24 07:51:01 +02:00
xfrm_state.c net: xfrm: fix memory leak in xfrm_user_policy() 2020-11-10 09:14:25 +01:00
xfrm_sysctl.c
xfrm_user.c xfrm/compat: Add 32=>64-bit messages translator 2020-09-24 08:53:03 +02:00