arm64: fix possible spectre-v1 in ptrace_hbp_get_event()
It's possible for userspace to control idx. Sanitize idx when using it as an array index. Found by smatch. Signed-off-by:Mark Rutland <mark.rutland@arm.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will.deacon@arm.com> Signed-off-by:
Will Deacon <will.deacon@arm.com>
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ad40bdaf
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