Page MenuHomeFreeBSD

md: Restore guards in mddestroy()
ClosedPublic

Authored by markj on Jul 3 2025, 1:13 PM.
Tags
None
Referenced Files
Unknown Object (File)
Sat, Jan 31, 12:34 PM
Unknown Object (File)
Fri, Jan 16, 7:43 PM
Unknown Object (File)
Fri, Jan 16, 6:55 AM
Unknown Object (File)
Dec 29 2025, 10:34 AM
Unknown Object (File)
Nov 5 2025, 11:14 PM
Unknown Object (File)
Nov 5 2025, 6:16 AM
Unknown Object (File)
Nov 5 2025, 6:12 AM
Unknown Object (File)
Nov 5 2025, 6:07 AM
Subscribers

Details

Summary

mddestroy() may be invoked on a partially constructed md device.
Restore the guards that handled this prior to commit e91022168101.

Reported by: syzbot+a0ff73f664de8757cfaa@syzkaller.appspotmail.com
Reported by: syzbot+7b4a4824bf81548283ab@syzkaller.appspotmail.com
Fixes: e91022168101 ("md(4): move type-specific data under union")

Diff Detail

Repository
rG FreeBSD src repository
Lint
Lint Not Applicable
Unit
Tests Not Applicable