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smbios: Harden decoding of the BCD revision

Description

smbios: Harden decoding of the BCD revision

bcd2bin() must not be called with a value greater or equal to
LIBKERN_LEN_BCD2BIN.

MFC after: 2 weeks
Sponsored by: The FreeBSD Foundation

Details

Provenance
olceAuthored on Mar 3 2025, 2:25 PM
Parents
rGbb04712e3772: smbios: Carefully print wrong entry point signature on identify
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