On Wed, Oct 26, 2022 at 12:24:38PM -0400, Seth Jenkins wrote: > Commit 258f669e7e88 ("mm: /proc/pid/smaps_rollup: convert to single value > seq_file") introduced a null-deref if there are no vma's in the task in > show_smaps_rollup. > > Fixes: 258f669e7e88 ("mm: /proc/pid/smaps_rollup: convert to single value seq_file") > Signed-off-by: Seth Jenkins <sethjenkins@xxxxxxxxxx> > Reviewed-by: Alexey Dobriyan <adobriyan@xxxxxxxxx> > Tested-by: Alexey Dobriyan <adobriyan@xxxxxxxxx> > --- > c4c84f06285e on upstream resolves this issue, but a fix must still be applied to stable trees 4.19-5.19. And you need to document really really really well why we can not take that upstream commit please. Also note that 5.19.y is end-of-life. Please fix up and resend. thanks, greg k-h