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

	F151902759: D17897.id50135.diff
	Sat, Apr 11, 11:07 AM

	Unknown Object (File)
	Mon, Apr 6, 4:28 AM

	Unknown Object (File)
	Sat, Apr 4, 10:08 AM

	Unknown Object (File)
	Mon, Mar 30, 12:44 AM

	Unknown Object (File)
	Sat, Mar 28, 1:39 AM

	Unknown Object (File)
	Wed, Mar 18, 3:44 PM

	Unknown Object (File)
	Wed, Mar 18, 7:29 AM

	Unknown Object (File)
	Wed, Mar 18, 3:05 AM

View All 94 Files

Subscribers

dougm

imp

Details

Reviewers

alc
kib

Commits

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

Diff Detail

Lint

Lint Passed

Unit

No Test Coverage

Build Status

Buildable 20691
Build 20106: arc lint + arc unit

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