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6371dcd36f
Current selinux policy can have over 3000 types. The type_attr_map in policy is an array sized by the number of types times sizeof(struct ebitmap) (12 on x86_64). Basic math tells us the array is going to be of length 3000 x 12 = 36,000 bytes. The largest 'safe' allocation on a long running system is 16k. Most of the time a 32k allocation will work. But on long running systems a 64k allocation (what we need) can fail quite regularly. In order to deal with this I am converting the type_attr_map to use flex_arrays. Let the library code deal with breaking this into PAGE_SIZE pieces. -v2 rework some of the if(!obj) BUG() to be BUG_ON(!obj) drop flex_array_put() calls and just use a _get() object directly -v3 make apply to James' tree (drop the policydb_write changes) Signed-off-by: Eric Paris <eparis@redhat.com> Acked-by: Stephen D. Smalley <sds@tycho.nsa.gov> Signed-off-by: James Morris <jmorris@namei.org> |
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.. | ||
avtab.c | ||
avtab.h | ||
conditional.c | ||
conditional.h | ||
constraint.h | ||
context.h | ||
ebitmap.c | ||
ebitmap.h | ||
hashtab.c | ||
hashtab.h | ||
Makefile | ||
mls_types.h | ||
mls.c | ||
mls.h | ||
policydb.c | ||
policydb.h | ||
services.c | ||
services.h | ||
sidtab.c | ||
sidtab.h | ||
symtab.c | ||
symtab.h |