CVS commit: src/sys/ufs/ffs

["Kamil Rytarowski" <kamil%netbsd.org@localhost>]

Module Name:    src
Committed By:   kamil
Date:           Wed Jul  4 02:02:15 UTC 2018

Modified Files:
        src/sys/ufs/ffs: ffs_subr.c

Log Message:
Avoid Undefined Behavior in ffs_clusteracct()

Change the type of 'bit' variable from int to unsigned int and use unsigned
values consistently.

sys/ufs/ffs/ffs_subr.c:336:10, shift exponent -1 is negative

Detected with Kernel Undefined Behavior Sanitizer.

Reported by <Harry Pantazis>


To generate a diff of this commit:
cvs rdiff -u -r1.49 -r1.50 src/sys/ufs/ffs/ffs_subr.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.