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| author |   Haoxiang Li <haoxiang_li2024@163.com> | 2025-07-03 17:52:32 +0800 |
|---|---|---|
| committer |   Tony Nguyen <anthony.l.nguyen@intel.com> | 2025-07-21 10:31:09 -0700 |
| commit | 4ff12d82dac119b4b99b5a78b5af3bf2474c0a36 (patch) | |
| tree | 5a433299602d76bb1ad93008852d6c138aea8e7b | |
| parent | i40e: When removing VF MAC filters, only check PF-set MAC (diff) | |
| download | wireguard-linux-4ff12d82dac119b4b99b5a78b5af3bf2474c0a36.tar.xz wireguard-linux-4ff12d82dac119b4b99b5a78b5af3bf2474c0a36.zip | |
ice: Fix a null pointer dereference in ice_copy_and_init_pkg()
Add check for the return value of devm_kmemdup()
to prevent potential null pointer dereference.
Fixes: c76488109616 ("ice: Implement Dynamic Device Personalization (DDP) download")
Cc: stable@vger.kernel.org
Signed-off-by: Haoxiang Li <haoxiang_li2024@163.com>
Reviewed-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Tested-by: Rinitha S <sx.rinitha@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
| -rw-r--r-- | drivers/net/ethernet/intel/ice/ice_ddp.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_ddp.c b/drivers/net/ethernet/intel/ice/ice_ddp.c index 59323c019544..351824dc3c62 100644 --- a/drivers/net/ethernet/intel/ice/ice_ddp.c +++ b/drivers/net/ethernet/intel/ice/ice_ddp.c @@ -2301,6 +2301,8 @@ enum ice_ddp_state ice_copy_and_init_pkg(struct ice_hw *hw, const u8 *buf, return ICE_DDP_PKG_ERR; buf_copy = devm_kmemdup(ice_hw_to_dev(hw), buf, len, GFP_KERNEL); + if (!buf_copy) + return ICE_DDP_PKG_ERR; state = ice_init_pkg(hw, buf_copy, len); if (!ice_is_init_pkg_successful(state)) { |