linux-stable/security
Jinjie Ruan d62ee5739a apparmor: test: Fix memory leak for aa_unpack_strdup()
commit 7290f59231 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: 4d944bcd4e ("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>
2024-12-05 14:02:46 +01:00
..
apparmor apparmor: test: Fix memory leak for aa_unpack_strdup() 2024-12-05 14:02:46 +01:00
bpf bpf: lsm: Set bpf_lsm_blob_sizes.lbs_task to 0 2024-09-11 10:11:36 -07:00
integrity integrity: Use static_assert() to check struct sizes 2024-10-09 22:49:40 -04:00
ipe ipe: fallback to platform keyring also if key in trusted keyring is rejected 2024-10-18 12:14:53 -07:00
keys KEYS: trusted: dcp: fix NULL dereference in AEAD crypto operation 2024-11-04 21:24:24 +02:00
landlock landlock: Optimize scope enforcement 2024-11-09 19:52:13 +01:00
loadpin introduce fd_file(), convert all accessors to it. 2024-08-12 22:00:43 -04:00
lockdown lockdown: Make lockdown_lsmid static 2024-08-15 12:11:42 -04:00
safesetid lsm: mark the lsm_id variables are marked as static 2023-11-12 22:54:42 -05:00
selinux bpf-next-6.12-struct-fd 2024-09-24 14:54:26 -07:00
smack lsm/stable-6.12 PR 20240923 2024-09-24 10:18:15 -07:00
tomoyo tomoyo: revert CONFIG_SECURITY_TOMOYO_LKM support 2024-10-04 11:41:22 -04:00
yama sysctl: treewide: constify the ctl_table argument of proc_handlers 2024-07-24 20:59:29 +02:00
commoncap.c lsm: Refactor return value of LSM hook vm_enough_memory 2024-07-31 14:46:51 -04:00
device_cgroup.c device_cgroup: Fix kernel-doc warnings in device_cgroup 2023-06-21 09:30:49 -04:00
inode.c lsm: Use IS_ERR_OR_NULL() helper function 2024-08-29 11:12:13 -04:00
Kconfig lsm/stable-6.12 PR 20240911 2024-09-16 18:19:47 +02:00
Kconfig.hardening hardening: Adjust dependencies in selection of MODVERSIONS 2024-09-28 13:56:03 -07:00
lsm_audit.c lsm: fix a number of misspellings 2023-05-25 17:52:15 -04:00
lsm_syscalls.c lsm: use 32-bit compatible data types in LSM syscalls 2024-03-14 11:31:26 -04:00
Makefile lsm: add IPE lsm 2024-08-19 22:36:26 -04:00
min_addr.c sysctl: treewide: constify the ctl_table argument of proc_handlers 2024-07-24 20:59:29 +02:00
security.c bcachefs: do not use PF_MEMALLOC_NORECLAIM 2024-10-09 12:47:18 -07:00