Aucbvax.5455
net.bugs.2bsd
utzoo!decvax!ucbvax!dist2
Sat Dec 12 04:40:22 1981
IMPORTANT FIX:  a bug in nami which may damage file systems
       The qcopy routine of nami.c sets i_count to 250 if it exceeds
255.  This ultimately causes the quota node to be deallocated at a
time when there are still valid pointers to it.  A later attempt to
change the node will cause the first block pointer of some other inode
to be incremented or decremented.  The fixes are:

       diff kernel/sys/sys/nami.c.old kernel/sys/sys/nami.c
       358,359d357
       i_count) == 0)
       i_count = 250;

       diff kernel/include/sys/inode.h.old kernel/include/sys/inode.h
       37c37
               int     i_count;        /* reference count */


These changes should be made to all tapes written before 12/12/81.

                       Carl

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