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Additional check for UFS/FFS superblock integrity checks.

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Tested by:   Peter Holm
PR:          265162
This commit is contained in:
Kirk McKusick 2022-07-16 10:31:52 -07:00
parent 90e29718cf
commit 904347a00c
1 changed files with 1 additions and 0 deletions
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sys/ufs/ffs/ffs_subr.c
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@ -458,6 +458,7 @@ validate_sblock(struct fs *fs, int isaltsblk)
CHK(fs->fs_size, >, fs->fs_ncg * fs->fs_fpg, %jd);
CHK(fs->fs_cssize, !=,
fragroundup(fs, fs->fs_ncg * sizeof(struct csum)), %jd);
CHK(dtog(fs, fs->fs_csaddr), >, fs->fs_ncg, %jd);
cgnum = dtog(fs, fs->fs_csaddr);
CHK(fs->fs_csaddr, <, cgdmin(fs, cgnum), %jd);
CHK(dtog(fs, fs->fs_csaddr + howmany(fs->fs_cssize, fs->fs_fsize)), >,