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PalmOS on FisherPrice Pixter Toy

PalmOS on FisherPrice Pixter Toy

1 comments

·December 6, 2025

dmitrygr

Possible user-space DoS on Linux when running on an ARM7 CPU in just two instructions. Would that be a record? If the kernel was configured to support OABI (exclusively or together with EABI), I think the following two-ARM-instr binary will simply crash the kernel if the core has alignment checking: SUB PC, PC, #2; SWI 0. I am not sure how common such configs are, but someone should maybe fix that? The fix would be only one extra instruction.