Page MenuHomeFreeBSD

lindebugfs.c: Fix possible NULL dereference
ClosedPublic

Authored by dumbbell on Jun 23 2025, 9:30 PM.
Tags
None
Referenced Files
Unknown Object (File)
Wed, Jul 1, 2:45 AM
Unknown Object (File)
Tue, Jun 23, 12:18 AM
Unknown Object (File)
Mon, Jun 22, 9:17 AM
Unknown Object (File)
May 17 2026, 11:30 PM
Unknown Object (File)
May 17 2026, 11:30 PM
Unknown Object (File)
May 17 2026, 11:12 PM
Unknown Object (File)
May 17 2026, 11:12 PM
Unknown Object (File)
May 9 2026, 9:54 PM
Subscribers

Details

Summary

If debugfs_destroy() is called early as part of error handling during initialzation, pn->pn_data is unset. This led to a panic in that if because dm is NULL.

Sponsored by: The FreeBSD Foundation

Diff Detail

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