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authorFlorian Westphal <fw@strlen.de>2021-12-03 17:07:55 +0100
committerFlorian Westphal <fw@strlen.de>2021-12-07 12:23:22 +0100
commit48aca2de80a7dd73f8f3a461c7f7ed47b6082766 (patch)
tree3ab36458bdef07e5d8c78ad364b77c21ffaad123 /include/datatype.h
parent028856b3dd8c935bc53ff08434dce4728627a318 (diff)
iptopt: fix crash with invalid field/type comboHEADmaster
% nft describe ip option rr value segmentation fault after this fix, this exits with 'Error: unknown ip option type/field'. Problem is that 'rr' doesn't have a value template, so the template struct is all-zeroes, so we crash when trying to use tmpl->dtype (its NULL). Furthermore, expr_describe tries to print expr->identifier but expr is exthdr, not symbol: ->identifier contains garbage. Signed-off-by: Florian Westphal <fw@strlen.de>
Diffstat (limited to 'include/datatype.h')
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