------------[ cut here ]------------ current->flags & PF_MEMALLOC WARNING: mm/page_alloc.c:4824 at __alloc_pages_slowpath mm/page_alloc.c:4824 [inline], CPU#2: sshd-session/5702 WARNING: mm/page_alloc.c:4824 at __alloc_frozen_pages_noprof+0x1e0b/0x31e0 mm/page_alloc.c:5510, CPU#2: sshd-session/5702 Modules linked in: CPU: 2 UID: 0 PID: 5702 Comm: sshd-session Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 RIP: 0010:__alloc_pages_slowpath mm/page_alloc.c:4824 [inline] RIP: 0010:__alloc_frozen_pages_noprof+0x1e0b/0x31e0 mm/page_alloc.c:5510 Code: 38 d0 7c 08 84 d2 0f 85 56 13 00 00 65 48 8b 05 43 7c 41 13 c7 84 24 a0 00 00 00 00 80 00 00 f6 40 2d 08 0f 84 0d e7 ff ff 90 <0f> 0b 90 e9 04 e7 ff ff 90 0f 0b 90 e9 63 f8 ff ff 8b 84 24 a0 00 RSP: 0000:ffffc90003c064c8 EFLAGS: 00010202 RAX: ffff88802a3d2580 RBX: 0000000000000000 RCX: 1ffff1100fffad69 RDX: 0000000000000000 RSI: 0000000000000002 RDI: ffff88802a3d25ac RBP: 0000000000000002 R08: 0000000000000000 R09: 000000000000409b R10: ffff88807ffd7217 R11: 0000000000000001 R12: 0000000000000000 R13: 0000000000000000 R14: ffffffff9cca2064 R15: 0000000000048c40 FS: 00007f5690a3d300(0000) GS:ffff888095479000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055a6f0bdc000 CR3: 000000002aa13000 CR4: 0000000000352ef0 Call Trace: alloc_pages_mpol+0x201/0x560 mm/mempolicy.c:2513 alloc_pages_noprof mm/mempolicy.c:2604 [inline] folio_alloc_noprof+0x22/0x250 mm/mempolicy.c:2614 filemap_alloc_folio_noprof.part.0+0x3db/0x440 mm/filemap.c:1017 filemap_alloc_folio_noprof mm/filemap.c:2062 [inline] __filemap_get_folio_mpol+0x64e/0x11d0 mm/filemap.c:2047 __filemap_get_folio include/linux/pagemap.h:758 [inline] ext4_mb_load_buddy_gfp+0x708/0x1b20 fs/ext4/mballoc.c:1730 ext4_discard_preallocations+0x584/0x10c0 fs/ext4/mballoc.c:5684 ext4_clear_inode+0x6e/0x280 fs/ext4/super.c:1574 ext4_evict_inode+0x1de/0x1890 fs/ext4/inode.c:400 evict+0x3c2/0xad0 fs/inode.c:821 dispose_list+0x117/0x1e0 fs/inode.c:863 prune_icache_sb+0xea/0x150 fs/inode.c:1021 super_cache_scan+0x37c/0x560 fs/super.c:227 do_shrink_slab+0x411/0x1200 mm/shrinker.c:452 shrink_slab_memcg mm/shrinker.c:569 [inline] shrink_slab+0xa78/0x12d0 mm/shrinker.c:647 shrink_node_memcgs mm/vmscan.c:6440 [inline] shrink_node+0x7c1/0x4410 mm/vmscan.c:6482 shrink_zones mm/vmscan.c:6701 [inline] do_try_to_free_pages+0x2da/0x1500 mm/vmscan.c:6763 try_to_free_pages+0x2a0/0x740 mm/vmscan.c:7002 __perform_reclaim mm/page_alloc.c:4448 [inline] __alloc_pages_direct_reclaim mm/page_alloc.c:4471 [inline] __alloc_pages_slowpath mm/page_alloc.c:4967 [inline] __alloc_frozen_pages_noprof+0x1057/0x31e0 mm/page_alloc.c:5510 alloc_pages_mpol+0x201/0x560 mm/mempolicy.c:2513 folio_alloc_mpol_noprof+0x36/0x260 mm/mempolicy.c:2532 __swap_cache_alloc mm/swap_state.c:458 [inline] __swap_cache_alloc_folio+0x3d7/0xc50 mm/swap_state.c:550 swap_cache_read_folio+0x47/0x150 mm/swap_state.c:714 swap_cache_read_folio_sync mm/swap_state.c:800 [inline] swap_cluster_readahead+0x477/0x5d0 mm/swap_state.c:922 swapin_readahead+0xf0/0x260 mm/swap_state.c:1061 do_swap_page+0xf98/0x54a0 mm/memory.c:5083 handle_pte_fault mm/memory.c:6668 [inline] __handle_mm_fault+0x190a/0x2f40 mm/memory.c:6817 handle_mm_fault+0x363/0xa30 mm/memory.c:6984 do_user_addr_fault+0x59c/0x12f0 arch/x86/mm/fault.c:1343 handle_page_fault arch/x86/mm/fault.c:1483 [inline] exc_page_fault+0x6f/0xd0 arch/x86/mm/fault.c:1536 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:595 RIP: 0033:0x7f569037e889 Code: Unable to access opcode bytes at 0x7f569037e85f. RSP: 002b:00007fffb0c57a48 EFLAGS: 00010206 RAX: 000055a6f0bd856e RBX: 0000000000008000 RCX: 000000000000456e RDX: 0000000000008000 RSI: 00007f568ff82aa2 RDI: 000055a6f0bdc000 RBP: 00007f568ff7f010 R08: 000055a6f0bd856e R09: 0000000000000000 R10: 0000000000000004 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000008000 R14: 000055a6f0b24460 R15: 0000000000000003