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| author | Jinjie Ruan <ruanjinjie@huawei.com> | 2024-10-11 09:22:41 +0800 |
|---|---|---|
| committer | John Johansen <john.johansen@canonical.com> | 2024-11-26 19:21:05 -0800 |
| commit | 7290f59231910ccba427d441a6e8b8c6f6112448 (patch) | |
| tree | 834b140bf7081ce7a166ec799b78d77e4a3ab684 /drivers/platform/x86/intel/pmt/class.c | |
| parent | 75535669c9c1647e8098947f045c95db1bbdfa8c (diff) | |
| download | linux-7290f59231910ccba427d441a6e8b8c6f6112448.tar.gz linux-7290f59231910ccba427d441a6e8b8c6f6112448.tar.bz2 linux-7290f59231910ccba427d441a6e8b8c6f6112448.zip | |
apparmor: test: Fix memory leak for aa_unpack_strdup()
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>
Diffstat (limited to 'drivers/platform/x86/intel/pmt/class.c')
0 files changed, 0 insertions, 0 deletions