https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=235029
Bug ID: 235029
Summary: ld-elf.so.1 is loaded too low when invoked directly
Product: Base System
Version: 12.0-STABLE
Hardware: Any
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: kern
Assignee: [email protected]
Reporter: [email protected]
When a normal dynamically linked ELF program runs, the kernel maps ld-elf.so.1
very high in the address space, somewhere around 0x800000000 on amd64. When
the same program is run by invoking /libexec/ld-elf.so.1 {program name}, the
kernel maps the rtld binary very low, around 0x1000000ish. This is fine for
some programs, but a relatively large one, such as the clang binary from the
clang60 or clang70 port does not fit in the gap and crashes on startup.
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