mirror of
https://github.com/SELinuxProject/selinux
synced 2024-12-18 20:24:32 +00:00
6675e12cc1
When hll/pp reads an invalid policy module where some scopes use
required symbols which are not defined, the program crashes with a
segmentation fault in required_scopes_to_cil():
Program received signal SIGSEGV, Segmentation fault.
required_scopes_to_cil (decl_stack=0x6040b0, block=0x607780,
pdb=0x6042e0, indent=0) at module_to_cil.c:3479
3479 for (j = 0; j < scope_datum->decl_ids_len; j++)
{
=> 0x00007ffff7a7b1a8 <block_to_cil+5224>: 44 8b 58 10 mov
0x10(%rax),%r11d
(gdb) bt
#0 required_scopes_to_cil (decl_stack=0x6040b0, block=0x607780,
pdb=0x6042e0, indent=0) at module_to_cil.c:3479
#1 block_to_cil (pdb=pdb@entry=0x6042e0,
block=block@entry=0x607780, stack=stack@entry=0x6040b0,
indent=indent@entry=0) at module_to_cil.c:3622
#2 0x00007ffff7a85a18 in global_block_to_cil (stack=0x6040b0,
block=0x607780, pdb=0x6042e0) at module_to_cil.c:3738
#3 blocks_to_cil (pdb=0x6042e0) at module_to_cil.c:3764
#4 sepol_module_policydb_to_cil (fp=fp@entry=0x7ffff79d05e0
<_IO_2_1_stdout_>, pdb=0x6042e0, linked=linked@entry=0) at
module_to_cil.c:4051
#5 0x00007ffff7a86b55 in sepol_module_package_to_cil
(fp=fp@entry=0x7ffff79d05e0 <_IO_2_1_stdout_>, mod_pkg=0x604280) at
module_to_cil.c:4080
#6 0x0000000000401acc in main (argc=<optimized out>,
argv=<optimized out>) at pp.c:150
(gdb) p scope_datum
$1 = (struct scope_datum *) 0x0
Detect such errors and exit with an error return value.
Signed-off-by: Nicolas Iooss <nicolas.iooss@m4x.org>
|
||
|---|---|---|
| .. | ||
| cil | ||
| include | ||
| man | ||
| src | ||
| tests | ||
| utils | ||
| .gitignore | ||
| COPYING | ||
| Makefile | ||
| VERSION | ||