Re: [PATCH bpf-next v2] libbpf: fix crash in XDP socket part with new larger BPF_LOG_BUF_SIZE

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

 



On Tue, Apr 9, 2019 at 11:55 PM Magnus Karlsson
<magnus.karlsson@xxxxxxxxx> wrote:
>
> In commit da11b417583e ("libbpf: teach libbpf about log_level bit 2"),
> the BPF_LOG_BUF_SIZE was increased to 16M. The XDP socket part of
> libbpf allocated the log_buf on the stack, but for the new 16M buffer
> size this is not going to work. Change the code so it uses a 16K buffer
> instead.
>
> Signed-off-by: Magnus Karlsson <magnus.karlsson@xxxxxxxxx>

Acked-by: Yonghong Song <yhs@xxxxxx>

> ---
> v2: simplified code as suggested by Daniel Borkmann
>
>  tools/lib/bpf/xsk.c | 9 +++++----
>  1 file changed, 5 insertions(+), 4 deletions(-)



[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