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authorAndrew Jones <ajones@ventanamicro.com>2023-10-10 18:51:02 +0200
committerPalmer Dabbelt <palmer@rivosinc.com>2023-11-02 22:05:30 +0100
commite1c05b3bf80f829ced464bdca90f1dfa96e8d251 (patch)
tree6b08f6ae1397c02d9008c83458622caabeba8adb /drivers/soundwire
parentriscv: configs: defconfig: Enable configs required for RZ/Five SoC (diff)
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RISC-V: hwprobe: Fix vDSO SIGSEGV
A hwprobe pair key is signed, but the hwprobe vDSO function was only checking that the upper bound was valid. In order to help avoid this type of problem in the future, and in anticipation of this check becoming more complicated with sparse keys, introduce and use a "key is valid" predicate function for the check. Fixes: aa5af0aa90ba ("RISC-V: Add hwprobe vDSO function and data") Signed-off-by: Andrew Jones <ajones@ventanamicro.com> Reviewed-by: Evan Green <evan@rivosinc.com> Link: https://lore.kernel.org/r/20231010165101.14942-2-ajones@ventanamicro.com Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
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