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Centos-kernel-stream-9/drivers/rpmsg
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Jared Kangas 93ee6fd1dc rpmsg: virtio: Free driver_override when rpmsg_remove() 
JIRA: https://issues.redhat.com/browse/RHEL-78824

commit d5362c37e1f8a40096452fc201c30e705750e687
Author: Xiaolei Wang <xiaolei.wang@windriver.com>
Date:   Fri Dec 15 10:00:49 2023 +0800

    rpmsg: virtio: Free driver_override when rpmsg_remove()

    Free driver_override when rpmsg_remove(), otherwise
    the following memory leak will occur:

    unreferenced object 0xffff0000d55d7080 (size 128):
      comm "kworker/u8:2", pid 56, jiffies 4294893188 (age 214.272s)
      hex dump (first 32 bytes):
        72 70 6d 73 67 5f 6e 73 00 00 00 00 00 00 00 00  rpmsg_ns........
        00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
      backtrace:
        [<000000009c94c9c1>] __kmem_cache_alloc_node+0x1f8/0x320
        [<000000002300d89b>] __kmalloc_node_track_caller+0x44/0x70
        [<00000000228a60c3>] kstrndup+0x4c/0x90
        [<0000000077158695>] driver_set_override+0xd0/0x164
        [<000000003e9c4ea5>] rpmsg_register_device_override+0x98/0x170
        [<000000001c0c89a8>] rpmsg_ns_register_device+0x24/0x30
        [<000000008bbf8fa2>] rpmsg_probe+0x2e0/0x3ec
        [<00000000e65a68df>] virtio_dev_probe+0x1c0/0x280
        [<00000000443331cc>] really_probe+0xbc/0x2dc
        [<00000000391064b1>] __driver_probe_device+0x78/0xe0
        [<00000000a41c9a5b>] driver_probe_device+0xd8/0x160
        [<000000009c3bd5df>] __device_attach_driver+0xb8/0x140
        [<0000000043cd7614>] bus_for_each_drv+0x7c/0xd4
        [<000000003b929a36>] __device_attach+0x9c/0x19c
        [<00000000a94e0ba8>] device_initial_probe+0x14/0x20
        [<000000003c999637>] bus_probe_device+0xa0/0xac

    Signed-off-by: Xiaolei Wang <xiaolei.wang@windriver.com>
    Fixes: b0b03b8119 ("rpmsg: Release rpmsg devices in backends")
    Cc: stable@vger.kernel.org
    Link: https://lore.kernel.org/r/20231215020049.78750-1-xiaolei.wang@windriver.com
    Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>

Signed-off-by: Jared Kangas <jkangas@redhat.com>
 		2025-02-11 08:18:24 -08:00
..
Kconfig
…
Makefile
…
mtk_rpmsg.c rpmsg: mtk_rpmsg: Fix circular locking dependency 2025-02-11 08:18:23 -08:00
qcom_glink_native.c rpmsg: glink: Release driver_override 2025-02-11 08:18:24 -08:00
qcom_glink_native.h
…
qcom_glink_rpm.c
…
qcom_glink_smem.c
…
qcom_glink_ssr.c
…
qcom_smd.c rpmsg: qcom_smd: Fix refcount leak in qcom_smd_parse_edge 2025-02-11 08:18:23 -08:00
rpmsg_char.c rpmsg: char: Add lock to avoid race when rpmsg device is released 2025-02-11 08:18:24 -08:00
rpmsg_char.h
…
rpmsg_core.c rpmsg: core: Replace deprecated strncpy with strscpy 2025-02-11 08:18:24 -08:00
rpmsg_ctrl.c rpmsg: ctrl: Add lock to rpmsg_ctrldev_remove 2025-02-11 08:18:24 -08:00
rpmsg_internal.h rpmsg: Fix calling device_lock() on non-initialized device 2025-02-11 08:18:23 -08:00
rpmsg_ns.c rpmsg: Replace deprecated strncpy with strscpy_pad 2025-02-11 08:18:24 -08:00
virtio_rpmsg_bus.c rpmsg: virtio: Free driver_override when rpmsg_remove() 2025-02-11 08:18:24 -08:00