By attaching gdb to the guest, I believe I've identified where it's
crashing. The executing frame appears to be in the _relocate() function:
reloc_aarch64.c:_relocate()
case R_AARCH64_RELATIVE:
addr = (unsigned long *)
(ldbase + rel->r_offset);
*addr = ldbase + rel->r_addend;
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
break;
default:
The previous address points to the following code, which suggests my addresses
are sane:
crt0-efi-aarch64.S:
adrp x1, _DYNAMIC
add x1, x1, #:lo12:_DYNAMIC
bl _relocate
^^^^^^^^^
cbnz x0, 0f
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https://bugs.launchpad.net/bugs/1928010
Title:
Occasionally crashes in _relocate() on arm64
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