Files
linux/include/linux
Maxim Mikityanskiy 32f55dd4ad bpf: Make bpf_for_each_spilled_reg consider narrow spills
Adjust the check in bpf_get_spilled_reg to take into account spilled
registers narrower than 64 bits. That allows find_equal_scalars to
properly adjust the range of all spilled registers that have the same
ID. Before this change, it was possible for a register and a spilled
register to have the same IDs but different ranges if the spill was
narrower than 64 bits and a range check was performed on the register.

Signed-off-by: Maxim Mikityanskiy <maxim@isovalent.com>
Acked-by: Eduard Zingerman <eddyz87@gmail.com>
Link: https://lore.kernel.org/r/20240108205209.838365-5-maxtram95@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2024-01-23 14:40:22 -08:00
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