While checkmodule tries to compile the following policy file and fails
because class "process" is not found, it does not free some allocated
memory:
module ckpol_leaktest 1.0.0;
require {type TYPE1;}
allow TYPE1 self:process fork;
clang memory sanitier output is:
=================================================================
==16050==ERROR: LeakSanitizer: detected memory leaks
Direct leak of 136 byte(s) in 1 object(s) allocated from:
#0 0x7f8bd8127608 in malloc (/usr/lib/clang/3.9.1/lib/linux/libclang_rt.asan-x86_64.so+0xf6608)
#1 0x41a620 in define_te_avtab_helper /usr/src/selinux/checkpolicy/policy_define.c:2450:24
#2 0x41b6c8 in define_te_avtab /usr/src/selinux/checkpolicy/policy_define.c:2621:6
#3 0x40522b in yyparse /usr/src/selinux/checkpolicy/policy_parse.y:470:10
#4 0x411816 in read_source_policy /usr/src/selinux/checkpolicy/parse_util.c:64:6
#5 0x7f8bd7cb3290 in __libc_start_main (/usr/lib/libc.so.6+0x20290)
Direct leak of 8 byte(s) in 1 object(s) allocated from:
#0 0x7f8bd8127608 in malloc (/usr/lib/clang/3.9.1/lib/linux/libclang_rt.asan-x86_64.so+0xf6608)
#1 0x411c87 in insert_id /usr/src/selinux/checkpolicy/policy_define.c:120:18
Indirect leak of 24 byte(s) in 1 object(s) allocated from:
#0 0x7f8bd8127608 in malloc (/usr/lib/clang/3.9.1/lib/linux/libclang_rt.asan-x86_64.so+0xf6608)
#1 0x43133c in ebitmap_set_bit /usr/src/selinux/libsepol/src/ebitmap.c:321:27
Indirect leak of 18 byte(s) in 1 object(s) allocated from:
#0 0x7f8bd80b5eb0 in __interceptor___strdup (/usr/lib/clang/3.9.1/lib/linux/libclang_rt.asan-x86_64.so+0x84eb0)
#1 0x41a6e5 in define_te_avtab_helper /usr/src/selinux/checkpolicy/policy_define.c:2460:28
#2 0x41b6c8 in define_te_avtab /usr/src/selinux/checkpolicy/policy_define.c:2621:6
#3 0x40522b in yyparse /usr/src/selinux/checkpolicy/policy_parse.y:470:10
#4 0x411816 in read_source_policy /usr/src/selinux/checkpolicy/parse_util.c:64:6
#5 0x7f8bd7cb3290 in __libc_start_main (/usr/lib/libc.so.6+0x20290)
SUMMARY: AddressSanitizer: 186 byte(s) leaked in 4 allocation(s).
Signed-off-by: Nicolas Iooss <nicolas.iooss@m4x.org>
7da9bc00f2