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bpf: bpf_event_entry_gen's alloc needs to be in atomic context
Should have been obvious, only called from bpf() syscall via map_update_elem() that calls bpf_fd_array_map_update_elem() under RCU read lock and thus this must also be in GFP_ATOMIC, of course. Fixes: 3b1efb1 ("bpf, maps: flush own entries on perf map release") Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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