On Mon, Nov 04, 2024 at 10:50:51PM +0800, Li Huafei wrote: > In ia_css_3a_statistics_allocate(), there is no check on the allocation > result of the rgby_data memory. If rgby_data is not successfully > allocated, it may trigger the assert(host_stats->rgby_data) assertion in > ia_css_s3a_hmem_decode(). Adding a check to fix this potential issue. ... > --- a/drivers/staging/media/atomisp/pci/sh_css_params.c > +++ b/drivers/staging/media/atomisp/pci/sh_css_params.c > @@ -4181,6 +4181,8 @@ ia_css_3a_statistics_allocate(const struct ia_css_3a_grid_info *grid) > goto err; > /* No weighted histogram, no structure, treat the histogram data as a byte dump in a byte array */ > me->rgby_data = kvmalloc(sizeof_hmem(HMEM0_ID), GFP_KERNEL); > + if (!me->rgby_data) > + goto err; Which kernel version are you patching? The problem, you have reported here was fixed ~4.5 years ago. -- With Best Regards, Andy Shevchenko