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ppc64le: Crash when livepatching function with more than 8 parameters #217

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giulianobelinassi opened this issue Oct 23, 2024 · 0 comments
Open

ppc64le: Crash when livepatching function with more than 8 parameters #217

giulianobelinassi opened this issue Oct 23, 2024 · 0 comments
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bug Something isn't working critical Has to be fixed/implemented in order to work as intended

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@giulianobelinassi
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On ppc64le, since we build a stack frame on the livepatch prologue, parameters passed on the stack are corrupted and the new function accesses garbage. This happens when you call a function with more than 8 parameters, and perhaps structs passed by value.
@giulianobelinassi giulianobelinassi added bug Something isn't working critical Has to be fixed/implemented in order to work as intended labels Oct 23, 2024
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