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cfi: check for inter overflow in cfi_devioctl

Description

cfi: check for inter overflow in cfi_devioctl

Reported by: Pietro Oliva
Reviewed by: markj
MFC after: 3 days
Security: Possible OOB read in root-only ioctl
Sponsored by: The FreeBSD Foundation

Details

Provenance
emasteAuthored on
Parents
rS355100: Allow opt-out of automatic ntpd leapfile checking/fetching.
Branches
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