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| author | Jinjie Ruan <ruanjinjie@huawei.com> | 2024-10-10 15:53:23 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-10-22 16:51:21 +0300 |
| commit | 05d43455f6bffa6abc7b937ca58be00452e6973f (patch) | |
| tree | e9553cb612ce6ce0c66812591de698bd8eee7fb5 /mm | |
| parent | eb66a833cdd2f7302ee05d05e0fa12a2ca32eb87 (diff) | |
| download | linux-05d43455f6bffa6abc7b937ca58be00452e6973f.tar.xz | |
mm/damon/tests/sysfs-kunit.h: fix memory leak in damon_sysfs_test_add_targets()
commit 2d6a1c835685de3b0c8e8dc871f60f4ef92ab01a upstream.
The sysfs_target->regions allocated in damon_sysfs_regions_alloc() is not
freed in damon_sysfs_test_add_targets(), which cause the following memory
leak, free it to fix it.
unreferenced object 0xffffff80c2a8db80 (size 96):
comm "kunit_try_catch", pid 187, jiffies 4294894363
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace (crc 0):
[<0000000001e3714d>] kmemleak_alloc+0x34/0x40
[<000000008e6835c1>] __kmalloc_cache_noprof+0x26c/0x2f4
[<000000001286d9f8>] damon_sysfs_test_add_targets+0x1cc/0x738
[<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
Link: https://lkml.kernel.org/r/20241010125323.3127187-1-ruanjinjie@huawei.com
Fixes: b8ee5575f763 ("mm/damon/sysfs-test: add a unit test for damon_sysfs_set_targets()")
Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
Reviewed-by: SeongJae Park <sj@kernel.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/damon/sysfs-test.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/mm/damon/sysfs-test.h b/mm/damon/sysfs-test.h index 1c9b596057a7..7b5c7b307da9 100644 --- a/mm/damon/sysfs-test.h +++ b/mm/damon/sysfs-test.h @@ -67,6 +67,7 @@ static void damon_sysfs_test_add_targets(struct kunit *test) damon_destroy_ctx(ctx); kfree(sysfs_targets->targets_arr); kfree(sysfs_targets); + kfree(sysfs_target->regions); kfree(sysfs_target); } |