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| author | Schspa Shi <schspa@gmail.com> | 2022-06-29 05:29:48 +0300 |
|---|---|---|
| committer | Alex Williamson <alex.williamson@redhat.com> | 2022-06-30 20:01:14 +0300 |
| commit | 6641085e8d7b3f061911517f79a2a15a0a21b97b (patch) | |
| tree | f20b66e4a7bb9adfa519aa781f1482fba09ff6a9 /drivers/vfio/vfio_iommu_type1.c | |
| parent | d1877e639bc6bf1c3131eda3f9ede73f8da96c22 (diff) | |
| download | linux-6641085e8d7b3f061911517f79a2a15a0a21b97b.tar.xz | |
vfio: Clear the caps->buf to NULL after free
On buffer resize failure, vfio_info_cap_add() will free the buffer,
report zero for the size, and return -ENOMEM. As additional
hardening, also clear the buffer pointer to prevent any chance of a
double free.
Signed-off-by: Schspa Shi <schspa@gmail.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Link: https://lore.kernel.org/r/20220629022948.55608-1-schspa@gmail.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Diffstat (limited to 'drivers/vfio/vfio_iommu_type1.c')
0 files changed, 0 insertions, 0 deletions