[PATCH bpf] riscv, bpf: Fix potential NULL dereference

patchwork-bot+netdevbpf at kernel.org patchwork-bot+netdevbpf at kernel.org
Thu Oct 28 08:40:08 PDT 2021


This patch was applied to netdev/net.git (master)
by Jakub Kicinski <kuba at kernel.org>:

On Thu, 28 Oct 2021 14:51:15 +0200 you wrote:
> The bpf_jit_binary_free() function requires a non-NULL argument. When
> the RISC-V BPF JIT fails to converge in NR_JIT_ITERATIONS steps,
> jit_data->header will be NULL, which triggers a NULL
> dereference. Avoid this by checking the argument, prior calling the
> function.
> Fixes: ca6cb5447cec ("riscv, bpf: Factor common RISC-V JIT code")
> Signed-off-by: Björn Töpel <bjorn at kernel.org>
> [...]

Here is the summary with links:
  - [bpf] riscv, bpf: Fix potential NULL dereference

You are awesome, thank you!
Deet-doot-dot, I am a bot.

More information about the linux-riscv mailing list