From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E0B9B1C32EB; Thu, 17 Oct 2024 07:28:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729150130; cv=none; b=X0pmncwov7QO+/Z8pnwO9JR0+D126u/bpNg4tzmcB5ko3bgibBuP0IkfuujAsjxsIKNTJ9pmCWFOJMsgKwrR4OsYCW4Zh50vv6MewTl3Hsr2Hkvobnr7W75YTBUGV/kLR7/SaBmLUY6BoJnPvaqc+521PzccWDPq7g2ldAwMLHw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729150130; c=relaxed/simple; bh=KXYKNEoyCR9y/8ZrswmZwno/cJ0KqVQHK1X2M9icTzk=; h=Date:To:From:Subject:Message-Id; b=bi8PUZDjIVp4vn/bylbnvYIpiKT8XJeXa7OabWNdg0yobRQ1JyOxlz+3+HblHl3wMbs9EwP7rmF9r+yqN8T3lm6egPtmXZpye2MsYEJQGsUMteaU8S2mmGatePmZD9nLYngjzzc86ZiyWzaa/xt7kEOxohdlKLHoeYyjn9dE3d8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b=FpDj+NTP; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux-foundation.org header.i=@linux-foundation.org header.b="FpDj+NTP" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B5EE5C4CEC7; Thu, 17 Oct 2024 07:28:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1729150129; bh=KXYKNEoyCR9y/8ZrswmZwno/cJ0KqVQHK1X2M9icTzk=; h=Date:To:From:Subject:From; b=FpDj+NTPFt7PQv1nBhirMzcuNFqddw8XAJ6mPcqKybFrhYJZRgH6a9bBM6hx2P7Nd 2Mm4qQmZkAkXeMJAxnPh7ObWpverQFcWlfYbu/tV2q1NyPs3qxRE+hTZ24hNv2atK/ eqOtAczit1TZV/Xwe13d72K3iR5gYMe+PHhw2Ztw= Date: Thu, 17 Oct 2024 00:28:49 -0700 To: mm-commits@vger.kernel.org,stable@vger.kernel.org,sj@kernel.org,ruanjinjie@huawei.com,akpm@linux-foundation.org From: Andrew Morton Subject: [merged mm-hotfixes-stable] mm-damon-fix-memory-leak-in-damon_sysfs_test_add_targets.patch removed from -mm tree Message-Id: <20241017072849.B5EE5C4CEC7@smtp.kernel.org> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: The quilt patch titled Subject: mm/damon/tests/sysfs-kunit.h: fix memory leak in damon_sysfs_test_add_targets() has been removed from the -mm tree. Its filename was mm-damon-fix-memory-leak-in-damon_sysfs_test_add_targets.patch This patch was dropped because it was merged into the mm-hotfixes-stable branch of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm ------------------------------------------------------ From: Jinjie Ruan Subject: mm/damon/tests/sysfs-kunit.h: fix memory leak in damon_sysfs_test_add_targets() Date: Thu, 10 Oct 2024 20:53:23 +0800 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 Reviewed-by: SeongJae Park Cc: Signed-off-by: Andrew Morton --- mm/damon/tests/sysfs-kunit.h | 1 + 1 file changed, 1 insertion(+) --- a/mm/damon/tests/sysfs-kunit.h~mm-damon-fix-memory-leak-in-damon_sysfs_test_add_targets +++ a/mm/damon/tests/sysfs-kunit.h @@ -67,6 +67,7 @@ static void damon_sysfs_test_add_targets damon_destroy_ctx(ctx); kfree(sysfs_targets->targets_arr); kfree(sysfs_targets); + kfree(sysfs_target->regions); kfree(sysfs_target); } _ Patches currently in -mm which might be from ruanjinjie@huawei.com are