Change in coreboot[master]: cbfs: Make sure all cases of single file header corruption are isolated

[Julius Werner (Code Review)]

Attention is currently required from: Furquan Shaikh, Jakub Czapiga.
Julius Werner has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/57271 )

Change subject: cbfs: Make sure all cases of single file header corruption are isolated
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Patch Set 1:

(1 comment)

File src/commonlib/bsd/cbfs_private.c:

https://review.coreboot.org/c/coreboot/+/57271/comment/2e23b75c_5f09f2f7 
PS1, Line 54: data_length > devsize
> The second condition will be true only if file data is larger than whole rdev. […]

The second condition is an overflow check. Without that, a data_length of 0xffffffff (like you might see if a data block got accidentally erased just after the beginning of the file header) would not be caught by this check.