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Merge "Update test for more accurate memtag_handle_longjmp" into main

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Florian Mayer 2024-03-12 18:12:46 +00:00 committed by Gerrit Code Review
commit c923ea5a6d
1 changed files with 4 additions and 5 deletions
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9
debuggerd/debuggerd_test.cpp
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@ -603,11 +603,10 @@ TEST_P(SizeParamCrasherTest, mte_underflow) {
}
__attribute__((noinline)) void mte_illegal_setjmp_helper(jmp_buf& jump_buf) {
// Because the detection of illegal setjmp is done relative to the SP in setjmp,
// we need to make sure this stack frame is bigger than the one of setjmp.
// TODO(fmayer): fix that bug and remove the workaround.
volatile char buf[1024];
buf[0] = '1';
// This frame is at least 8 bytes for storing and restoring the LR before the
// setjmp below. So this can never get an empty stack frame, even if we omit
// the frame pointer. So, the SP of this is always less (numerically) than the
// calling function frame.
setjmp(jump_buf);
}