Re: [PATCH v2] infiniband: Fix a use after free in isert_connect_request

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On 3/22/2021 6:13 PM, Lv Yunlong wrote:
The device is got by isert_device_get() with refcount is 1,
and is assigned to isert_conn by isert_conn->device = device.
When isert_create_qp() failed, device will be freed with
isert_device_put().

Later, the device is used in isert_free_login_buf(isert_conn)
by the isert_conn->device->ib_device statement. This patch
free the device in the correct order.

Signed-off-by: Lv Yunlong <lyl2019@xxxxxxxxxxxxxxxx>
---
  drivers/infiniband/ulp/isert/ib_isert.c | 16 ++++++++--------
  1 file changed, 8 insertions(+), 8 deletions(-)

looks good,

Reviewed-by: Max Gurtovoy <mgurtovoy@xxxxxxxxxx>





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