This is a note to let you know that I've just added the patch titled
PCI/DOE: Fix memory leak with CONFIG_DEBUG_OBJECTS=y
to the 6.1-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
pci-doe-fix-memory-leak-with-config_debug_objects-y.patch
and it can be found in the queue-6.1 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From abf04be0e7071f2bcd39bf97ba407e7d4439785e Mon Sep 17 00:00:00 2001
From: Lukas Wunner <lukas@xxxxxxxxx>
Date: Sat, 11 Mar 2023 15:40:06 +0100
Subject: PCI/DOE: Fix memory leak with CONFIG_DEBUG_OBJECTS=y
From: Lukas Wunner <lukas@xxxxxxxxx>
commit abf04be0e7071f2bcd39bf97ba407e7d4439785e upstream.
After a pci_doe_task completes, its work_struct needs to be destroyed
to avoid a memory leak with CONFIG_DEBUG_OBJECTS=y.
Fixes: 9d24322e887b ("PCI/DOE: Add DOE mailbox support functions")
Tested-by: Ira Weiny <ira.weiny@xxxxxxxxx>
Signed-off-by: Lukas Wunner <lukas@xxxxxxxxx>
Reviewed-by: Ira Weiny <ira.weiny@xxxxxxxxx>
Reviewed-by: Davidlohr Bueso <dave@xxxxxxxxxxxx>
Reviewed-by: Dan Williams <dan.j.williams@xxxxxxxxx>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx # v6.0+
Acked-by: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>
Link: https://lore.kernel.org/r/775768b4912531c3b887d405fc51a50e465e1bf9.1678543498.git.lukas@xxxxxxxxx
Signed-off-by: Dan Williams <dan.j.williams@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/pci/doe.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/pci/doe.c b/drivers/pci/doe.c
index c14ffdf23f87..e5e9b287b976 100644
--- a/drivers/pci/doe.c
+++ b/drivers/pci/doe.c
@@ -224,6 +224,7 @@ static void signal_task_complete(struct pci_doe_task *task, int rv)
{
task->rv = rv;
task->complete(task);
+ destroy_work_on_stack(&task->work);
}
static void signal_task_abort(struct pci_doe_task *task, int rv)
--
2.40.0
Patches currently in stable-queue which might be from lukas@xxxxxxxxx are
queue-6.1/pci-doe-fix-memory-leak-with-config_debug_objects-y.patch
queue-6.1/cxl-pci-handle-truncated-cdat-entries.patch
queue-6.1/cxl-pci-handle-truncated-cdat-header.patch
queue-6.1/cxl-pci-fix-cdat-retrieval-on-big-endian.patch
queue-6.1/pci-doe-silence-warn-splat-with-config_debug_objects-y.patch
queue-6.1/cxl-pci-handle-excessive-cdat-length.patch
