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Change History

In the Linux kernel, the following vulnerability has been resolved:

RDMA/irdma: Fix memory leak of PBLE objects

On rmmod of irdma, the PBLE object memory is not being freed. PBLE object
memory are not statically pre-allocated at function initialization time
unlike other HMC objects. PBLEs objects and the Segment Descriptors (SD)
for it can be dynamically allocated during scale up and SD's remain
allocated till function deinitialization.

Fix this leak by adding IRDMA_HMC_IW_PBLE to the iw_hmc_obj_types[] table
and skip pbles in irdma_create_hmc_obj but not in irdma_del_hmc_objects().

https://git.kernel.org/stable/c/810250c9c6616fe131099c0e51c61f2110ed07bf

https://git.kernel.org/stable/c/adf58bd4018fbcd990c62e840afd2f178eefad60

https://git.kernel.org/stable/c/b69a6979dbaa2453675fe9c71bdc2497fedb11f9

https://git.kernel.org/stable/c/ee02fa4a71bdb95a444124e5c11eaa22f1f44738