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Date: Tue, 16 Apr 2019 10:52:38 +0200 From: Daniel Borkmann <daniel@...earbox.net> To: Alban Crequy <alban.crequy@...il.com>, ast@...nel.org Cc: bpf@...r.kernel.org, netdev@...r.kernel.org, linux-kernel@...r.kernel.org, alban@...volk.io, iago@...volk.io Subject: Re: [PATCH bpf v2] tools: bpftool: fix infinite loop in map create On 04/12/2019 02:40 PM, Alban Crequy wrote: > From: Alban Crequy <alban@...volk.io> > > "bpftool map create" has an infinite loop on "while (argc)". The error > case is missing. > > Symptoms: when forgetting to type the keyword 'type' in front of 'hash': > $ sudo bpftool map create /sys/fs/bpf/dir/foobar hash key 8 value 8 entries 128 > (infinite loop, taking all the CPU) > ^C > > After the patch: > $ sudo bpftool map create /sys/fs/bpf/dir/foobar hash key 8 value 8 entries 128 > Error: unknown arg hash > > Fixes: 0b592b5a01be ("tools: bpftool: add map create command") > Signed-off-by: Alban Crequy <alban@...volk.io> Applied, thanks!
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