Re: [PATCH] bpf: Replace 0-length arrays with flexible arrays

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Hello:

This patch was applied to bpf/bpf-next.git (master)
by Daniel Borkmann <daniel@xxxxxxxxxxxxx>:

On Thu,  5 Jan 2023 11:26:47 -0800 you wrote:
> Zero-length arrays are deprecated[1]. Replace struct bpf_array's
> union of 0-length arrays with flexible arrays. (How are the
> sizes of these arrays verified?) Detected with GCC 13, using
> -fstrict-flex-arrays=3:
> 
> arch/x86/net/bpf_jit_comp.c: In function 'bpf_tail_call_direct_fixup':
> arch/x86/net/bpf_jit_comp.c:606:37: warning: array subscript <unknown> is outside array bounds of 'void *[0]' [-Warray-bounds=]
>   606 |                 target = array->ptrs[poke->tail_call.key];
>       |                          ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~
> In file included from include/linux/filter.h:9,
>                  from arch/x86/net/bpf_jit_comp.c:9:
> include/linux/bpf.h:1527:23: note: while referencing 'ptrs'
>  1527 |                 void *ptrs[0] __aligned(8);
>       |                       ^~~~
> 
> [...]

Here is the summary with links:
  - bpf: Replace 0-length arrays with flexible arrays
    https://git.kernel.org/bpf/bpf-next/c/129d868ede1e

You are awesome, thank you!
-- 
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html





[Index of Archives]     [Linux Samsung SoC]     [Linux Rockchip SoC]     [Linux Actions SoC]     [Linux for Synopsys ARC Processors]     [Linux NFS]     [Linux NILFS]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]


  Powered by Linux