https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=278044
Bug ID: 278044
Summary: Diskless nfs root BOOTP/DHCP Broken
Product: Base System
Version: 14.0-RELEASE
Hardware: Any
OS: Any
Status: New
Severity: Affects Some People
Priority: ---
Component: kern
Assignee: [email protected]
Reporter: [email protected]
Commit 713264f6b8bc5f927dd52cf8ffcccfa397034fec (March 6 2023) has potentially
broken BOOTP/DHCP functionality for nfsroot diskless start-up.
This commit adds a check to the end of netinet/in_pcb.c:in_pcbladdr that checks
for a source address equivalent to INADDR_ANY.
Unfortunately as part of the diskless BOOTP/DHCP process (nfs/bootp_subr.c et
al), the interface's address is (effectively) set to INADDR_ANY, causing this
check to fail, and therefore the DHCP search and the rest of the diskless nfs
root process to fail as well.
Tested/discovered and analyzed on ARM64/RPI4, 14.0-RELEASE.
Not yet verified for other platforms.
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