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Fix integer overflow possibility.

Description

Fix integer overflow possibility.

Reported by: Christopher Krah <krah@protonmail.com>
Reported as: FS-2-EXT2-1: Out-of-Bounds Write in nmount (ext2_vget)
Reviewed by: pfg
MFC after: 1 week

Differential Revision: https://reviews.freebsd.org/D19326

Details

Committed
fsuMar 4 2019, 11:19 AM
Reviewer
pfg
Differential Revision
D19326: Fix integer overflow possibility.
Parents
rS344754: Do not panic if inode bitmap is corrupted.
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