Fix a use-after-free in swp_pager_meta_free().
ClosedPublic
Actions

Authored by markj on Nov 7 2018, 7:36 PM.

Tags

None

Referenced Files

	F86203519: D17897.id50135.diff
	Sun, Jun 16, 11:03 PM

	Unknown Object (File)
	Sat, May 18, 10:18 PM

	Unknown Object (File)
	May 5 2024, 11:29 AM

	Unknown Object (File)
	Feb 27 2024, 9:06 PM

	Unknown Object (File)
	Dec 27 2023, 9:38 AM

	Unknown Object (File)
	Dec 20 2023, 12:54 AM

	Unknown Object (File)
	Dec 12 2023, 2:47 AM

	Unknown Object (File)
	Nov 4 2023, 3:02 PM

View All 20 Files

Subscribers

dougm

imp

Details

Reviewers

alc
kib

Commits

rS340241: Fix a use-after-free in swp_pager_meta_free().

Diff Detail

Repository

rS FreeBSD src repository - subversion

Lint

Lint Not Applicable

Unit

Tests Not Applicable

Event Timeline

markj created this revision.Nov 7 2018, 7:36 PM

Harbormaster completed remote builds in B20691: Diff 50135.Nov 7 2018, 7:36 PM

markj added reviewers: alc, kib.Nov 7 2018, 7:37 PM

I've been running buildworlds with this patch for several hours now without seeing segfaults; I'm pretty sure we can recommit r336984 after this fix. Note that the problem manifests much more easily with INVARIANTS kernels since UMA will trash freed memory.

alc added a subscriber: dougm.Nov 7 2018, 10:42 PM

kib accepted this revision.Nov 7 2018, 10:43 PM

This revision is now accepted and ready to land.Nov 7 2018, 10:43 PM

Closed by commit rS340241: Fix a use-after-free in swp_pager_meta_free(). (authored by markj). · Explain WhyNov 7 2018, 11:28 PM

This revision was automatically updated to reflect the committed changes.

Herald added a subscriber: imp. · View Herald TranscriptNov 7 2018, 11:28 PM