Commit 38adbf21 authored Oct 11, 2019 by Andrii Nakryiko Committed by Greg Kroah-Hartman Sep 03, 2021

bpf: Fix cast to pointer from integer of different size warning



commit 2dedd7d2165565bafa89718eaadfc5d1a7865f66 upstream.

Fix "warning: cast to pointer from integer of different size" when
casting u64 addr to void *.

Fixes: a23740ec43ba ("bpf: Track contents of read-only maps as scalars")
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Link: https://lore.kernel.org/bpf/20191011172053.2980619-1-andriin@fb.com


Cc: Rafael David Tinoco <rafaeldtinoco@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent 812ee47a

kernel/bpf/verifier.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -2792,7 +2792,7 @@ static int bpf_map_direct_read(struct bpf_map map, int off, int size, u64 val)
		err = map->ops->map_direct_value_addr(map, &addr, off);
		if (err)
		return err;
		ptr = (void *)addr + off;
		ptr = (void *)(long)addr + off;

		switch (size) {
		case sizeof(u8):