CVS commit: src/sys/kern

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

Module Name:    src
Committed By:   kamil
Date:           Wed Jul  4 18:13:01 UTC 2018

Modified Files:
        src/sys/kern: kern_lwp.c

Log Message:
Avoid undefined behavior in lwp_ctl_alloc()

Do not left shift signed integer in a way that the signedness bit is
changed.

sys/kern/kern_lwp.c:1849:27, left shift of 1 by 31 places cannot be represented in type 'int'

Detected with Kernel Undefined Behavior Sanitizer.

Reported by <Harry Pantazis>


To generate a diff of this commit:
cvs rdiff -u -r1.192 -r1.193 src/sys/kern/kern_lwp.c

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