CVS commit: src/sys/kern

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

Module Name:    src
Committed By:   kamil
Date:           Wed Jul  4 17:39:12 UTC 2018

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

Log Message:
Avoid undefined behavior in mq_recv1()

Do not shift a signed integer causing change of the signed bit.

sys/kern/sys_mqueue.c:712:24, 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 -r1.40 -r1.41 src/sys/kern/sys_mqueue.c

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