lindebugfs.c: Fix possible NULL dereference
ClosedPublic
Actions

Authored by dumbbell on Jun 23 2025, 9:30 PM.

Tags

None

Referenced Files

	Unknown Object (File)
	Mon, Jul 14, 4:00 AM

	Unknown Object (File)
	Sun, Jul 6, 11:54 PM

	Unknown Object (File)
	Jun 24 2025, 9:38 PM

	Unknown Object (File)
	Jun 24 2025, 9:19 PM

	Unknown Object (File)
	Jun 24 2025, 7:01 PM

	Unknown Object (File)
	Jun 24 2025, 3:48 PM

	Unknown Object (File)
	Jun 23 2025, 9:55 PM

Subscribers

imp

Details

Reviewers

Group Reviewers

linuxkpi

Commits

rG81e6c0168d46: lindebugfs.c: Fix possible NULL dereference

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.

Diff Detail

Lint

Lint Skipped

Unit

Tests Skipped

Event Timeline

dumbbell created this revision.Jun 23 2025, 9:30 PM

Herald added a subscriber: imp. · View Herald TranscriptJun 23 2025, 9:30 PM

dumbbell requested review of this revision.Jun 23 2025, 9:30 PM

bz accepted this revision.Jun 23 2025, 9:32 PM

This revision is now accepted and ready to land.Jun 23 2025, 9:32 PM

Closed by commit rG81e6c0168d46: lindebugfs.c: Fix possible NULL dereference (authored by dumbbell). · Explain WhyJun 23 2025, 9:54 PM

This revision was automatically updated to reflect the committed changes.

dumbbell added a commit: rG81e6c0168d46: lindebugfs.c: Fix possible NULL dereference.

Revision Contents
Changeset List

Path

Size

sys/

compat/

lindebugfs/

lindebugfs.c

2 lines

Diff 157467

View Options

sys/compat/lindebugfs/lindebugfs.c

lindebugfs.c: Fix possible NULL dereferenceClosedPublicActions