kernel_samsung_a53x/security/apparmor
Jinjie Ruan 62a9e64a4a apparmor: test: Fix memory leak for aa_unpack_strdup()
commit 7290f59231910ccba427d441a6e8b8c6f6112448 upstream.

The string allocated by kmemdup() in aa_unpack_strdup() is not
freed and cause following memory leaks, free them to fix it.

	unreferenced object 0xffffff80c6af8a50 (size 8):
	  comm "kunit_try_catch", pid 225, jiffies 4294894407
	  hex dump (first 8 bytes):
	    74 65 73 74 69 6e 67 00                          testing.
	  backtrace (crc 5eab668b):
	    [<0000000001e3714d>] kmemleak_alloc+0x34/0x40
	    [<000000006e6c7776>] __kmalloc_node_track_caller_noprof+0x300/0x3e0
	    [<000000006870467c>] kmemdup_noprof+0x34/0x60
	    [<000000001176bb03>] aa_unpack_strdup+0xd0/0x18c
	    [<000000008ecde918>] policy_unpack_test_unpack_strdup_with_null_name+0xf8/0x3ec
	    [<0000000032ef8f77>] kunit_try_run_case+0x13c/0x3ac
	    [<00000000f3edea23>] kunit_generic_run_threadfn_adapter+0x80/0xec
	    [<00000000adf936cf>] kthread+0x2e8/0x374
	    [<0000000041bb1628>] ret_from_fork+0x10/0x20
	unreferenced object 0xffffff80c2a29090 (size 8):
	  comm "kunit_try_catch", pid 227, jiffies 4294894409
	  hex dump (first 8 bytes):
	    74 65 73 74 69 6e 67 00                          testing.
	  backtrace (crc 5eab668b):
	    [<0000000001e3714d>] kmemleak_alloc+0x34/0x40
	    [<000000006e6c7776>] __kmalloc_node_track_caller_noprof+0x300/0x3e0
	    [<000000006870467c>] kmemdup_noprof+0x34/0x60
	    [<000000001176bb03>] aa_unpack_strdup+0xd0/0x18c
	    [<0000000046a45c1a>] policy_unpack_test_unpack_strdup_with_name+0xd0/0x3c4
	    [<0000000032ef8f77>] kunit_try_run_case+0x13c/0x3ac
	    [<00000000f3edea23>] kunit_generic_run_threadfn_adapter+0x80/0xec
	    [<00000000adf936cf>] kthread+0x2e8/0x374
	    [<0000000041bb1628>] ret_from_fork+0x10/0x20

Cc: stable@vger.kernel.org
Fixes: 4d944bcd4e73 ("apparmor: add AppArmor KUnit tests for policy unpack")
Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
Signed-off-by: John Johansen <john.johansen@canonical.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-12-17 13:24:18 +01:00
..
include ima: Avoid blocking in RCU read-side critical section 2024-11-19 14:19:42 +01:00
apparmorfs.c Revert "apparmor: fix possible NULL pointer dereference" 2024-11-24 00:23:48 +01:00
audit.c ima: Avoid blocking in RCU read-side critical section 2024-11-19 14:19:42 +01:00
capability.c apparmor: fix 'Do simple duplicate message elimination' 2024-12-17 13:24:17 +01:00
crypto.c
domain.c
file.c
ipc.c
Kconfig
label.c
lib.c
lsm.c apparmor: Fix null pointer deref when receiving skb during sock creation 2024-11-23 23:20:18 +01:00
Makefile
match.c
mount.c
net.c
nulldfa.in
path.c
policy.c apparmor: use kvfree_sensitive to free data->data 2024-11-23 23:20:13 +01:00
policy_ns.c
policy_unpack.c apparmor: use kvfree_sensitive to free data->data 2024-11-23 23:20:13 +01:00
policy_unpack_test.c apparmor: test: Fix memory leak for aa_unpack_strdup() 2024-12-17 13:24:18 +01:00
procattr.c
resource.c
secid.c
stacksplitdfa.in
task.c