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[UBSAN] Common/Swap.h:121: member access within misaligned address #14003

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glebm opened this issue Jan 29, 2021 · 1 comment · Fixed by #14008
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[UBSAN] Common/Swap.h:121: member access within misaligned address #14003

glebm opened this issue Jan 29, 2021 · 1 comment · Fixed by #14008
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v1.11.0

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@glebm
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glebm commented Jan 29, 2021 •
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Happens on startup:

../Common/Swap.h:121:30: runtime error: member access within misaligned address 0x7f9928c7f742 for type 'struct swap_struct_t', which requires 4 byte alignment
0x7f9928c7f742: note: pointer points here
 00 00  c0 a4 a1 4d 99 7f 00 00  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  e0 6e 9f 4d 99 7f
              ^

At a690127
This was referenced Jan 29, 2021
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glebm commented Jan 30, 2021

This turned out to be a symptom of #14002 (UBSAN_OPTIONS=print_stacktrace=1 is very handy!)

@unknownbrackets unknownbrackets added this to the v1.11.0 milestone Jan 30, 2021
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Fix alignment issues in ISOFileSystem glebm/ppsspp
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