add ATTRIBUTE_NAME_MAX_SIZE constant

volatility3/framework/constants/linux/__init__.py

@@ -432,6 +432,17 @@ VMCOREINFO_MAGIC = b"VMCOREINFO\x00"
 VMCOREINFO_MAGIC_ALIGNED = VMCOREINFO_MAGIC + b"\x00"
 OSRELEASE_TAG = b"OSRELEASE="
 
+ATTRIBUTE_NAME_MAX_SIZE = 255
+"""
+In 5.9-rc1+, the Linux kernel limits the READ size of a section bin_attribute name to MODULE_SECT_READ_SIZE:
+
+- https://elixir.bootlin.com/linux/v6.15-rc4/source/kernel/module/sysfs.c#L106
+- https://github.com/torvalds/linux/commit/11990a5bd7e558e9203c1070fc52fb6f0488e75b
+
+However, the raw section name loaded from the .ko ELF can in theory be thousands of characters,
+and unless we do a NULL terminated search we can't set a perfect value.
+"""
+
 
 @dataclass
 class TaintFlag: