Ville Syrjälä 05abb3be91 dma-buf/dma-resv: Stop leaking on krealloc() failure ...

Currently dma_resv_get_fences() will leak the previously
allocated array if the fence iteration got restarted and
the krealloc_array() fails.

Free the old array by hand, and make sure we still clear
the returned *fences so the caller won't end up accessing
freed memory. Some (but not all) of the callers of
dma_resv_get_fences() seem to still trawl through the
array even when dma_resv_get_fences() failed. And let's
zero out *num_fences as well for good measure.

Cc: Sumit Semwal <sumit.semwal@linaro.org>
Cc: Christian König <christian.koenig@amd.com>
Cc: linux-media@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org
Cc: linaro-mm-sig@lists.linaro.org
Fixes: d3c80698c9 ("dma-buf: use new iterator in dma_resv_get_fences v3")
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Cc: stable@vger.kernel.org
Link: https://patchwork.freedesktop.org/patch/msgid/20230713194745.1751-1-ville.syrjala@linux.intel.com
Signed-off-by: Christian König <christian.koenig@amd.com>

2023-07-15 13:57:30 +02:00

..

heaps

Merge tag 'mm-stable-2023-04-27-15-30' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

2023-04-27 19:42:02 -07:00

dma-buf-sysfs-stats.c

dma-buf: make kobj_type structure constant

2023-02-17 10:59:14 +01:00

dma-buf-sysfs-stats.h

dma-buf: fix dma_buf_export init order v2

2022-12-13 08:31:45 +01:00

dma-buf.c

dma-buf: Include missing parentheses to documentation

2023-03-03 14:35:09 -03:00

dma-fence-array.c

dma-buf/fence-array: Add fence deadline support

2023-03-25 10:55:07 -07:00

dma-fence-chain.c

dma-buf/fence-chain: Add fence deadline support

2023-03-28 13:38:52 -07:00

dma-fence-unwrap.c

dma-buf: keep the signaling time of merged fences v3

2023-07-03 13:47:06 +02:00

dma-fence.c

dma-buf: fix an error pointer vs NULL bug

2023-07-06 19:50:23 +05:30

dma-heap.c

driver core: class: remove module * from class_create()

2023-03-17 15:16:33 +01:00

dma-resv.c

dma-buf/dma-resv: Stop leaking on krealloc() failure

2023-07-15 13:57:30 +02:00

Kconfig

dma-buf: deprecate DMABUF_SYSFS_STATS

2022-06-23 10:51:43 +02:00

Makefile

dma-buf: cleanup dma_fence_unwrap implementation

2022-05-30 14:16:32 +02:00

selftest.c

…

selftest.h

…

selftests.h

dma-buf: add dma_fence_unwrap v2

2022-03-25 14:18:28 +01:00

st-dma-fence-chain.c

treewide: use get_random_u32_inclusive() when possible

2022-11-18 02:18:02 +01:00

st-dma-fence-unwrap.c

dma-buf: Enable signaling on fence for selftests

2022-09-16 15:53:25 +02:00

st-dma-fence.c

dma-buf: Enable signaling on fence for selftests

2022-09-16 15:53:25 +02:00

st-dma-resv.c

dma-buf: Enable signaling on fence for selftests

2022-09-16 15:53:25 +02:00

sw_sync.c

dma-buf/sw_sync: Replace all non-returning strlcpy with strscpy

2023-05-24 16:32:25 +05:30

sync_debug.c

…

sync_debug.h

…

sync_file.c

dma-buf/sync_file: use strscpy to replace strlcpy

2022-08-10 13:50:49 +02:00

sync_trace.h

…

udmabuf.c

udmabuf: revert 'Add support for mapping hugepages (v4)'

2023-06-19 13:19:32 -07:00