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(parent: c951d7c) | patch
tools: bpftool: protect against races with disappearing objects
authorJakub Kicinski <jakub.kicinski@netronome.com>
Fri, 22 Dec 2017 19:36:06 +0000 (11:36 -0800)
committerDaniel Borkmann <daniel@iogearbox.net>
Sat, 23 Dec 2017 00:09:52 +0000 (01:09 +0100)
commit5e37954272c41f12f92d85df032756988e0ceaf7
tree36104aee2ea7b2b4a7326c369478890aad7243eftree | snapshot
parentc951d7c8da630d0fc8ddc32d138a132b0137d74acommit | diff
tools: bpftool: protect against races with disappearing objects

On program/map show we may get an ID of an object from GETNEXT,
but the object may disappear before we call GET_FD_BY_ID.  If
that happens, ignore the object and continue.

Fixes: 23857202cde3 ("tools: bpf: add bpftool")
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Acked-by: Quentin Monnet <quentin.monnet@netronome.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
tools/bpf/bpftool/map.c diff | blob | history
tools/bpf/bpftool/prog.c diff | blob | history
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