------------[ cut here ]------------ WARNING: CPU: 0 PID: 8194 at mm/page_alloc.c:4630 __alloc_pages_slowpath+0xca5/0xce0 mm/page_alloc.c:4630 Modules linked in: CPU: 0 UID: 0 PID: 8194 Comm: syz.5.1011 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:__alloc_pages_slowpath+0xca5/0xce0 mm/page_alloc.c:4630 Code: 48 8b 1c 25 08 90 c1 92 48 83 c3 2c 48 89 d8 48 c1 e8 03 0f b6 04 08 84 c0 75 2e f6 43 01 08 48 8b 14 24 0f 84 a2 f3 ff ff 90 <0f> 0b 90 e9 99 f3 ff ff e8 3e 9e 64 09 90 0f 0b 90 f7 c5 00 04 00 RSP: 0000:ffffc9000d266510 EFLAGS: 00010202 RAX: 0000000000000000 RBX: ffff888036b348ac RCX: dffffc0000000000 RDX: ffffc9000d266620 RSI: 0000000000000000 RDI: 0000000000048c40 RBP: 0000000000048c40 R08: ffff88801b6f309f R09: 1ffff110036de613 R10: dffffc0000000000 R11: ffffed10036de614 R12: ffffc9000d266620 R13: 1ffff92001a4ccc0 R14: 0000000000048c40 R15: dffffc0000000000 FS: 00007fac972256c0(0000) GS:ffff88808d007000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b30f24224 CR3: 00000000503ed000 CR4: 0000000000352ef0 Call Trace: __alloc_frozen_pages_noprof+0x319/0x370 mm/page_alloc.c:5161 alloc_pages_mpol+0x232/0x4a0 mm/mempolicy.c:2416 alloc_frozen_pages_noprof mm/mempolicy.c:2487 [inline] alloc_pages_noprof+0xa9/0x190 mm/mempolicy.c:2507 folio_alloc_noprof+0x1e/0x30 mm/mempolicy.c:2517 filemap_alloc_folio_noprof+0xdf/0x470 mm/filemap.c:1007 __filemap_get_folio+0x3f2/0xaf0 mm/filemap.c:1981 ext4_mb_load_buddy_gfp+0x281/0xeb0 fs/ext4/mballoc.c:1709 ext4_discard_preallocations+0x66b/0xec0 fs/ext4/mballoc.c:5660 ext4_clear_inode+0x40/0x1c0 fs/ext4/super.c:1503 ext4_evict_inode+0xa67/0xee0 fs/ext4/inode.c:321 evict+0x504/0x9c0 fs/inode.c:810 dispose_list fs/inode.c:852 [inline] prune_icache_sb+0x21b/0x2c0 fs/inode.c:1000 super_cache_scan+0x39b/0x4b0 fs/super.c:224 do_shrink_slab+0x6ef/0x1110 mm/shrinker.c:437 shrink_slab_memcg mm/shrinker.c:550 [inline] shrink_slab+0x7ef/0x10d0 mm/shrinker.c:628 shrink_one+0x28a/0x7c0 mm/vmscan.c:4954 shrink_many mm/vmscan.c:5015 [inline] lru_gen_shrink_node mm/vmscan.c:5093 [inline] shrink_node+0x314e/0x3760 mm/vmscan.c:6078 shrink_zones mm/vmscan.c:6336 [inline] do_try_to_free_pages+0x668/0x1960 mm/vmscan.c:6398 try_to_free_pages+0x8a2/0xdd0 mm/vmscan.c:6644 __perform_reclaim mm/page_alloc.c:4310 [inline] __alloc_pages_direct_reclaim+0x144/0x300 mm/page_alloc.c:4332 __alloc_pages_slowpath+0x5ff/0xce0 mm/page_alloc.c:4781 __alloc_frozen_pages_noprof+0x319/0x370 mm/page_alloc.c:5161 alloc_pages_mpol+0x232/0x4a0 mm/mempolicy.c:2416 folio_alloc_mpol_noprof mm/mempolicy.c:2435 [inline] vma_alloc_folio_noprof+0xe4/0x200 mm/mempolicy.c:2470 folio_prealloc+0x30/0x180 mm/memory.c:-1 alloc_anon_folio mm/memory.c:4997 [inline] do_anonymous_page mm/memory.c:5054 [inline] do_pte_missing mm/memory.c:4232 [inline] handle_pte_fault mm/memory.c:6052 [inline] __handle_mm_fault+0x2ab9/0x5440 mm/memory.c:6195 handle_mm_fault+0x40a/0x8e0 mm/memory.c:6364 do_user_addr_fault+0xa81/0x1390 arch/x86/mm/fault.c:1336 handle_page_fault arch/x86/mm/fault.c:1476 [inline] exc_page_fault+0x76/0xf0 arch/x86/mm/fault.c:1532 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623 RIP: 0033:0x7fac96250c50 Code: 39 4f 08 72 4c 8d 4d ff 85 ed 74 33 66 0f 1f 44 00 00 48 39 f0 72 1b 4d 8b 07 49 89 c1 49 29 f1 47 0f b6 0c 08 45 84 c9 74 08 <45> 88 0c 00 49 8b 47 10 48 83 c0 01 49 89 47 10 83 e9 01 73 d3 41 RSP: 002b:00007fac972244a0 EFLAGS: 00010286 RAX: 0000000000001000 RBX: 00007fac97224540 RCX: 0000000000000001 RDX: 0000000000000009 RSI: 0000000000000001 RDI: 00007fac972245e0 RBP: 00000000000000db R08: 00007fac8d400000 R09: 00000000000000ff R10: 0000000000000000 R11: 00007fac97224550 R12: 0000000000000001 R13: 00007fac9642da00 R14: 0000000000000000 R15: 00007fac972245e0