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Merge "Stop fp unwinding if the pc is 0." into main

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Christopher Ferris 2023-11-01 19:50:33 +00:00 committed by Gerrit Code Review
commit 0b27d314d6
1 changed files with 5 additions and 1 deletions
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6
libc/bionic/android_unsafe_frame_pointer_chase.cpp
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@ -82,7 +82,11 @@ __attribute__((no_sanitize("address", "hwaddress"))) size_t android_unsafe_frame
auto* frame = reinterpret_cast<frame_record*>(begin);
#endif
if (num_frames < num_entries) {
buf[num_frames] = __bionic_clear_pac_bits(frame->return_addr);
uintptr_t addr = __bionic_clear_pac_bits(frame->return_addr);
if (addr == 0) {
break;
}
buf[num_frames] = addr;
}
++num_frames;
if (frame->next_frame < begin + sizeof(frame_record) || frame->next_frame >= end ||