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Fix detection of interfering branches for syscall at end of patch #3579

Merged
merged 1 commit into from
Aug 19, 2023
Merged

Fix detection of interfering branches for syscall at end of patch #3579

merged 1 commit into from
Aug 19, 2023

Commits on Aug 19, 2023

  1. Fix detection of interfering branches for PATCH_SYSCALL_INSTRUCTION_I… 

    …S_LAST

The interfering branch check was assuming that the syscall (or rdtsc
instruction) is at the start of the patch region. As a result, it
was incorrectly ignoring interfering branches for
PATCH_SYSCALL_INSTRUCTION_IS_LAST hooks (as well as detecting
interfering branches that actually do not interfere).
    @Keno
    Keno committed Aug 19, 2023
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