CVE-2026-72357: uprobes/x86: Use proper mm_struct in __in_uprobe_trampoline

In the Linux kernel, the following vulnerability has been resolved:

uprobes/x86: Use proper mmstruct in inuprobetrampoline

In the unregister path we use inuprobetrampoline check with current->mm for the VMA lookup, which is wrong, because we are in the tracer context, not the traced process.

Add mmstruct pointer argument to inuprobetrampoline and changing related callers to pass proper mmstruct pointer.