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(parent: 9ec22d7) | patch
netfilter: nf_tables: remove WARN and add NLA_STRING upper limits
authorFlorian Westphal <fw@strlen.de>
Thu, 16 Jan 2020 08:06:50 +0000 (09:06 +0100)
committerPablo Neira Ayuso <pablo@netfilter.org>
Thu, 16 Jan 2020 13:22:32 +0000 (14:22 +0100)
commit9332d27d7918182add34e8043f6a754530fdd022
tree63af34b5845690d5c2d4216b77986b4595cac639tree | snapshot
parent9ec22d7c6c69146180577f3ad5fdf504beeaee62commit | diff
netfilter: nf_tables: remove WARN and add NLA_STRING upper limits

This WARN can trigger because some of the names fed to the module
autoload function can be of arbitrary length.

Remove the WARN and add limits for all NLA_STRING attributes.

Reported-by: syzbot+0e63ae76d117ae1c3a01@syzkaller.appspotmail.com
Fixes: 452238e8d5ffd8 ("netfilter: nf_tables: add and use helper for module autoload")
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
net/netfilter/nf_tables_api.c diff | blob | history
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