Re: [PATCH] accel/qaic: Fix dereferencing freed memory

2023-06-13 Thread Pranjal Ramajor Asha Kanojiya
On 6/12/2023 8:39 PM, Jeffrey Hugo wrote: On 6/12/2023 7:21 AM, Christian König wrote: Am 12.06.23 um 15:03 schrieb Pranjal Ramajor Asha Kanojiya: On 6/12/2023 4:52 PM, Christian König wrote: Am 10.06.23 um 04:12 schrieb Sukrut Bellary: smatch warning: drivers/accel/qaic/qaic_data.

Re: [PATCH] accel/qaic: Fix dereferencing freed memory

2023-06-13 Thread Pranjal Ramajor Asha Kanojiya
On 6/10/2023 7:42 AM, Sukrut Bellary wrote: smatch warning: drivers/accel/qaic/qaic_data.c:620 qaic_free_object() error: dereferencing freed memory 'obj->import_attach' obj->import_attach is detached and freed using dma_buf_detach(). But used after free to decrease the

Re: [PATCH] accel/qaic: Fix dereferencing freed memory

2023-06-13 Thread Pranjal Ramajor Asha Kanojiya
On 6/12/2023 4:52 PM, Christian König wrote: Am 10.06.23 um 04:12 schrieb Sukrut Bellary: smatch warning: drivers/accel/qaic/qaic_data.c:620 qaic_free_object() error:     dereferencing freed memory 'obj->import_attach' obj->import_attach is detached and freed using dma_buf_detach()

Re: [PATCH] accel/qaic: Fix dereferencing freed memory

2023-06-12 Thread Jeffrey Hugo
On 6/12/2023 7:21 AM, Christian König wrote: Am 12.06.23 um 15:03 schrieb Pranjal Ramajor Asha Kanojiya: On 6/12/2023 4:52 PM, Christian König wrote: Am 10.06.23 um 04:12 schrieb Sukrut Bellary: smatch warning: drivers/accel/qaic/qaic_data.c:620 qaic_free_object() error:     derefe

Re: [PATCH] accel/qaic: Fix dereferencing freed memory

2023-06-12 Thread Christian König
Am 12.06.23 um 15:03 schrieb Pranjal Ramajor Asha Kanojiya: On 6/12/2023 4:52 PM, Christian König wrote: Am 10.06.23 um 04:12 schrieb Sukrut Bellary: smatch warning: drivers/accel/qaic/qaic_data.c:620 qaic_free_object() error:     dereferencing freed memory 'obj->import_attach' obj

Re: [PATCH] accel/qaic: Fix dereferencing freed memory

2023-06-12 Thread Christian König
Am 10.06.23 um 04:12 schrieb Sukrut Bellary: smatch warning: drivers/accel/qaic/qaic_data.c:620 qaic_free_object() error: dereferencing freed memory 'obj->import_attach' obj->import_attach is detached and freed using dma_buf_detach(). But used after free to decrease th

[PATCH] accel/qaic: Fix dereferencing freed memory

2023-06-09 Thread Sukrut Bellary
smatch warning: drivers/accel/qaic/qaic_data.c:620 qaic_free_object() error: dereferencing freed memory 'obj->import_attach' obj->import_attach is detached and freed using dma_buf_detach(). But used after free to decrease the dmabuf ref count using dma_buf_put(). Fixes: ff