Diffusion FreeBSD src repository aa42e4984997

sys_swapon: reject too small devices
aa42e4984997
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Description

sys_swapon: reject too small devices

blist_create() panics on zero nblks.

Reported by: olivier
Reviewed by: alc, markj
Sponsored by: The FreeBSD Foundation
MFC after: 1 week
Differential revision: https://reviews.freebsd.org/D51618

Details

Provenance

kib	Authored on Jul 29 2025, 4:30 PM

Reviewer

alc

Differential Revision

D51618: sys_swapon: reject too small devices

Parents

rGf7951799877c: pci_iov: Support dynamic subordinate bus growth during VF creation

Branches

Unknown

Tags

Unknown

Event Timeline

kib committed rGaa42e4984997: sys_swapon: reject too small devices (authored by kib).Jul 29 2025, 8:54 PM

kib added an edge: D51618: sys_swapon: reject too small devices.

kib mentioned this in rG2e3fa9395fc6: swapongeom: destroy consumer/close vnode in case swaponsomething failed.Jul 30 2025, 9:28 PM

kib mentioned this in rG4434ecb939f1: sys_swapon: reject too small devices.Aug 5 2025, 12:33 AM

Changes (2)

Path

Size

sys/

exterr_cat.h

vm/

swap_pager.c

rGaa42e4984997

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sys/sys/exterr_cat.h