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lindebugfs.c: Fix possible NULL dereference
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Authored by dumbbell on Jun 23 2025, 9:30 PM.

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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.

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rG FreeBSD src repository

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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.

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sys/

compat/

lindebugfs/

lindebugfs.c

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sys/compat/lindebugfs/lindebugfs.c

lindebugfs.c: Fix possible NULL dereferenceClosedPublicActions