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| author | Anton Protopopov | 2020-05-27 18:56:59 +0000 |
|---|---|---|
| committer | Alexei Starovoitov | 2020-06-01 14:38:21 -0700 |
| commit | 1ea0f9120c8ce105ca181b070561df5cbd6bc049 (patch) | |
| tree | 7e4c0c652d27f92872fc680e3dd06fb67548ec75 /tools | |
| parent | efbc3b8fe1e6259777670aadf931500545073c6c (diff) | |
bpf: Fix map permissions check
The map_lookup_and_delete_elem() function should check for both FMODE_CAN_WRITE
and FMODE_CAN_READ permissions because it returns a map element to user space.
Fixes: bd513cd08f10 ("bpf: add MAP_LOOKUP_AND_DELETE_ELEM syscall")
Signed-off-by: Anton Protopopov <a.s.protopopov@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20200527185700.14658-5-a.s.protopopov@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'tools')
0 files changed, 0 insertions, 0 deletions