diff options
| author | Kory Maincent <[email protected]> | 2026-02-23 14:18:38 +0100 |
|---|---|---|
| committer | Ilias Apalodimas <[email protected]> | 2026-03-26 08:20:00 +0200 |
| commit | e3757929646f102070232efd86d3a308b0f54ec3 (patch) | |
| tree | 37355dfa0569634888b137cfc034faf50d76c1ac | |
| parent | bcae1381f88f2122658b3aaacb04b4ea2a873a36 (diff) | |
tools: mkfwumdata: Add bank count validation for FWU metadata v2
The FWU metadata specification version 2 supports a maximum of 4 banks.
Add validation to enforce this limit and prevent creation of non-compliant
metadata structures when using version 2.
Without this check, users could inadvertently create invalid metadata by
specifying more than 4 banks, leading to potential compatibility issues
with FWU-compliant firmware update implementations.
Signed-off-by: Kory Maincent <[email protected]>
Tested-by: Dario Binacchi <[email protected]>
Signed-off-by: Ilias Apalodimas <[email protected]>
| -rw-r--r-- | tools/fwumdata_src/mkfwumdata.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/tools/fwumdata_src/mkfwumdata.c b/tools/fwumdata_src/mkfwumdata.c index 5ceec7a2980..8b25539fd57 100644 --- a/tools/fwumdata_src/mkfwumdata.c +++ b/tools/fwumdata_src/mkfwumdata.c @@ -471,6 +471,12 @@ int main(int argc, char *argv[]) return -EINVAL; } + if (version == 2 && banks > MAX_BANKS_V2) { + fprintf(stderr, "Error: Version 2 supports maximum %d banks, %ld requested.\n", + MAX_BANKS_V2, banks); + return -EINVAL; + } + /* This command takes UUIDs * images and output file. */ if (optind + images + 1 != argc) { fprintf(stderr, |