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authorJakub Kicinski <kuba@kernel.org>2020-10-05 15:07:38 -0700
committerDavid S. Miller <davem@davemloft.net>2020-10-06 06:25:55 -0700
commitbdbb4e29df8b790db50cb73ce25d23543329f05f (patch)
tree78ff81363b9aec24e5199bf9082bcab104883209 /lib/test_hexdump.c
parentddcf3b70c5ae8444e920d28e30e7ad4e866c8015 (diff)
downloadlinux-bdbb4e29df8b790db50cb73ce25d23543329f05f.tar.bz2
netlink: add mask validation
We don't have good validation policy for existing unsigned int attrs which serve as flags (for new ones we could use NLA_BITFIELD32). With increased use of policy dumping having the validation be expressed as part of the policy is important. Add validation policy in form of a mask of supported/valid bits. Support u64 in the uAPI to be future-proof, but really for now the embedded mask member can only hold 32 bits, so anything with bit 32+ set will always fail validation. Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'lib/test_hexdump.c')
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