]> git.baikalelectronics.ru Git - kernel.git/commit
bpf, arm32: correct check_imm24
authorWang YanQing <udknight@gmail.com>
Fri, 11 May 2018 03:06:34 +0000 (11:06 +0800)
committerDaniel Borkmann <daniel@iogearbox.net>
Tue, 5 Jun 2018 08:46:13 +0000 (10:46 +0200)
commitf716beaf01e2c6c0fb2dc1863e032c1334c4da51
treea9e0ebdb78fa6530ee26bf7c546bef6e5482ed5f
parent59f126e54ffbd22f506b754b959ffa5422ca96b8
bpf, arm32: correct check_imm24

imm24 is signed, so the right range is:

  [-(1<<(24 - 1)), (1<<(24 - 1)) - 1]

Note: this patch also fix a typo.

Fixes: d3c26ea1e931 ("arm: eBPF JIT compiler")
Signed-off-by: Wang YanQing <udknight@gmail.com>
Cc: Shubham Bansal <illusionist.neo@gmail.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux@armlinux.org.uk
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
arch/arm/net/bpf_jit_32.c