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entry fits within its DIRBLKSIZ block. The surrounding code is extremely fragile with respect to corruption of the directory entry 'd_reclen' field; if directory corruption occurs, it can blindly scan forward beyond the end of the filesystem block. Usually this results in a 'fault on nofault entry' panic. Directory corruption is now much more likely to be detected, resulting in a 'ufs_dirbad' panic. If the filesystem is read-only, it will simply print a warning message, and skip the corrupted block. Reviewed by: mckusick |
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ffs | ||
ifs | ||
mfs | ||
ufs |