https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=279684
Bug ID: 279684
Summary: ctld truncates LUN size to 4GiB on 32-bit platforms
Product: Base System
Version: 15.0-CURRENT
Hardware: Any
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: bin
Assignee: [email protected]
Reporter: [email protected]
The ctld.conf file allows specifying the size of a LUN. It's required for
ramdisk-backed LUNs, and optional for block-backed LUNs. In traditional mode
it's parsed as a uin64_t. In UCL mode, it's parsed as an int64_t. That's a
little bit inconsistent, but not bad. The bad part is that it then gets
truncated by being passed to lun_set_size, which takes its argument as a usize.
That's a bug on 32-bit platforms.
The solution is to always handle the size as a uint64_t, which is ultimately
what the kernel expects.
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