bpf: Reject stack arguments in non-JITed programs

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The interpreter does not understand the bpf register r11
(BPF_REG_PARAMS) used for stack arguments. So reject interpreter
usage if stack arguments are used either in the main program or
any subprogram.

Signed-off-by: Yonghong Song <yonghong.song@linux.dev>
Link: https://lore.kernel.org/r/20260513045049.2390444-1-yonghong.song@linux.dev
Signed-off-by: Alexei Starovoitov <ast@kernel.org>

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Yonghong Song 2026-05-12 21:50:49 -07:00 • committed by Alexei Starovoitov

parent 2af4e79277

commit dc8f1cf678

2 changed files with 7 additions and 1 deletions

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kernel/bpf/core.c

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6

kernel/bpf/fixups.c

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