CVS commit: src/sys/kern

["Taylor R Campbell" <riastradh%netbsd.org@localhost>]

Module Name:    src
Committed By:   riastradh
Date:           Fri Apr 19 00:45:41 UTC 2024

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

Log Message:
dounmount: Avoid &((struct vnode_impl *)NULL)->vi_vnode.

Member access of a null pointer is undefined, even if the result
should also be null because vi_vnode is at the start of vnode_impl.

Reported-by: syzbot+a4b2d13c0d6d4dac2d07%syzkaller.appspotmail.com@localhost
https://syzkaller.appspot.com/bug?extid=a4b2d13c0d6d4dac2d07


To generate a diff of this commit:
cvs rdiff -u -r1.104 -r1.105 src/sys/kern/vfs_mount.c

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