On Tue, Sep 15, 2020 at 10:54:33AM +0000, Shiju Jose wrote: > I debug with adding more logs. I found that in our platform > hw->num_dimms was 32 when called ghes_edac_register() second time when > probe a new ghes instance, the check !(hw->num_dimms % 16) in the > enumerate_dimms() passed and it allocated memory for hw->dimms. Thus > it did not fail with NULL pointer dereference in ghes_edac_register().
Oh, what a lucky coincidence ;-\ > With the your new fix hw->num_dimms reset to 0. Thanks for testing and digging out what is happening on your machine. So I've queued them here: https://git.kernel.org/pub/scm/linux/kernel/git/ras/ras.git/log/?h=edac-for-next Will send them to Linus on the weekend so that they make it into 5.9. Thx. -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette

