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Date:   Thu, 02 Nov 2023 06:00:24 +0000
To:     Hao Sun <>
Subject: Re: [PATCH bpf v3 0/2] bpf: Fix incorrect immediate spill


This series was applied to bpf/bpf.git (master)
by Alexei Starovoitov <>:

On Wed, 01 Nov 2023 13:33:50 +0100 you wrote:
> Immediate is incorrectly cast to u32 before being spilled, losing sign
> information. The range information is incorrect after load again. Fix
> immediate spill by remove the cast. The second patch add a test case
> for this.
> Signed-off-by: Hao Sun <>
> [...]

Here is the summary with links:
  - [bpf,v3,1/2] bpf: Fix check_stack_write_fixed_off() to correctly spill imm
  - [bpf,v3,2/2] selftests/bpf: Add test for immediate spilled to stack

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