Re: [PATCH bpf v3] net/xdp: fix zero-size allocation warning in xskq_create()

[patchwork-bot+netdevbpf]

Hello:

This patch was applied to bpf/bpf.git (master)
by Martin KaFai Lau <martin.lau@xxxxxxxxxx>:

On Thu,  5 Oct 2023 22:35:49 +0300 you wrote:
> Syzkaller reported the following issue:
>  ------------[ cut here ]------------
>  WARNING: CPU: 0 PID: 2807 at mm/vmalloc.c:3247 __vmalloc_node_range (mm/vmalloc.c:3361)
>  Modules linked in:
>  CPU: 0 PID: 2807 Comm: repro Not tainted 6.6.0-rc2+ #12
>  Hardware name: Generic DT based system
>  unwind_backtrace from show_stack (arch/arm/kernel/traps.c:258)
>  show_stack from dump_stack_lvl (lib/dump_stack.c:107 (discriminator 1))
>  dump_stack_lvl from __warn (kernel/panic.c:633 kernel/panic.c:680)
>  __warn from warn_slowpath_fmt (./include/linux/context_tracking.h:153 kernel/panic.c:700)
>  warn_slowpath_fmt from __vmalloc_node_range (mm/vmalloc.c:3361 (discriminator 3))
>  __vmalloc_node_range from vmalloc_user (mm/vmalloc.c:3478)
>  vmalloc_user from xskq_create (net/xdp/xsk_queue.c:40)
>  xskq_create from xsk_setsockopt (net/xdp/xsk.c:953 net/xdp/xsk.c:1286)
>  xsk_setsockopt from __sys_setsockopt (net/socket.c:2308)
>  __sys_setsockopt from ret_fast_syscall (arch/arm/kernel/entry-common.S:68)
> 
> [...]

Here is the summary with links:
  - [bpf,v3] net/xdp: fix zero-size allocation warning in xskq_create()
    https://git.kernel.org/bpf/bpf/c/90aeaa99f53e

You are awesome, thank you!
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