---
- branch: MAIN
  date: Fri Apr 19 00:45:41 UTC 2024
  files:
  - new: '1.105'
    old: '1.104'
    path: src/sys/kern/vfs_mount.c
    pathrev: src/sys/kern/vfs_mount.c@1.105
    type: modified
  id: 20240419T004541Z.68b75beacd202025d940fce7128d01be09100fe1
  log: |
    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
    https://syzkaller.appspot.com/bug?extid=a4b2d13c0d6d4dac2d07
  module: src
  subject: 'CVS commit: src/sys/kern'
  unixtime: '1713487541'
  user: riastradh