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9872b04a80
When loading an invalid module which uses a declaration ID 0,
semodule_package crashes in policydb_index_decls():
p->decl_val_to_struct[decl->decl_id - 1] = decl;
gdb shows the following stack trace:
#0 0x00007ffff7aa1bbd in policydb_index_decls (p=p@entry=0x605360)
at policydb.c:1034
#1 0x00007ffff7aaa9fc in policydb_read (p=<optimized out>,
fp=fp@entry=0x605090, verbose=verbose@entry=0) at policydb.c:3958
#2 0x00007ffff7ab4764 in sepol_policydb_read (p=<optimized out>,
pf=pf@entry=0x605090) at policydb_public.c:174
#3 0x0000000000401d33 in main (argc=<optimized out>,
argv=0x7fffffffdc88) at semodule_package.c:220
Change policydb_index_decls() to report an error instead:
libsepol.policydb_index_decls: invalid decl ID 0
Signed-off-by: Nicolas Iooss <nicolas.iooss@m4x.org>
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