PC-BSD/trueos 66bedc8sys/fs/ext2fs ext2_vfsops.c

MFC: r344755:
Fix integer overflow possibility.

Reported by:    Christopher Krah, Thomas Barabosch, and Jan-Niclas Hilgert of Fraunhofer FKIE
Reported as:    FS-2-EXT2-1: Out-of-Bounds Write in nmount (ext2_vget)
Reviewed by:    pfg

Differential Revision:    https://reviews.freebsd.org/D19326
DeltaFile
+2-2sys/fs/ext2fs/ext2_vfsops.c
+2-21 files

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