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[ Upstream commitfefaae9039] The segmentation fault happens because: During modprobe: 1. In igen6_probe(), igen6_pvt will be allocated with kzalloc() 2. In igen6_register_mci(), mci->pvt_info will point to &igen6_pvt->imc[mc] During rmmod: 1. In mci_release() in edac_mc.c, it will kfree(mci->pvt_info) 2. In igen6_remove(), it will kfree(igen6_pvt); Fix this issue by setting mci->pvt_info to NULL to avoid the double kfree. Fixes:10590a9d4f("EDAC/igen6: Add EDAC driver for Intel client SoCs using IBECC") Closes: https://bugzilla.kernel.org/show_bug.cgi?id=219360 Signed-off-by: Orange Kao <orange@aiven.io> Signed-off-by: Tony Luck <tony.luck@intel.com> Link: https://lore.kernel.org/r/20241104124237.124109-2-orange@aiven.io Signed-off-by: Sasha Levin <sashal@kernel.org>