On Thu, Dec 21, 2023 at 08:26:37AM +0530, Aithal, Srikanth wrote: > Starting from next-20231214 until next-20231220 have noted regression where > kernel hangs randomly while running virtualization tests [multiple > start-shutdown and reboot] against AMD sev guest type, with below call > trace: This is an entirely different problem, already reported and fix sent about 24 hours ago. diff --git a/mm/swap_state.c b/mm/swap_state.c index 793b5b9e4f96..8a3a8f1ab20a 100644 --- a/mm/swap_state.c +++ b/mm/swap_state.c @@ -894,6 +894,9 @@ struct page *swapin_readahead(swp_entry_t entry, gfp_t gfp_mask, swap_vma_readahead(entry, gfp_mask, mpol, ilx, vmf) : swap_cluster_readahead(entry, gfp_mask, mpol, ilx); mpol_cond_put(mpol); + + if (!folio) + return NULL; return folio_file_page(folio, swp_offset(entry)); }
