page: refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff8880435ce3c0 pfn:0x435ce memcg:ffff888030488d00 flags: 0x4fff00000000001(locked|node=1|zone=1|lastcpupid=0x7ff) raw: 04fff00000000001 0000000000000000 dead000000000122 0000000000000000 raw: ffff8880435ce3c0 0000000000000000 00000001ffffffff ffff888030488d00 page dumped because: VM_BUG_ON_FOLIO(folio_order(folio) < mapping_min_folio_order(mapping)) page_owner tracks the page as allocated page last allocated via order 0, migratetype Unmovable, gfp_mask 0x152c40(GFP_NOFS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_HARDWALL), pid 5364, tgid 5364 (syz.0.0), ts 92591328515, free_ts 92590438828 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x240/0x2a0 mm/page_alloc.c:1851 prep_new_page mm/page_alloc.c:1859 [inline] get_page_from_freelist+0x21e4/0x22c0 mm/page_alloc.c:3858 __alloc_frozen_pages_noprof+0x181/0x370 mm/page_alloc.c:5148 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 ractl_alloc_folio mm/readahead.c:186 [inline] ra_alloc_folio mm/readahead.c:441 [inline] page_cache_ra_order+0x4de/0xd40 mm/readahead.c:506 do_sync_mmap_readahead+0x25e/0x7a0 mm/filemap.c:-1 filemap_fault+0x62c/0x1200 mm/filemap.c:3445 __do_fault+0x138/0x390 mm/memory.c:5152 do_shared_fault mm/memory.c:5637 [inline] do_fault mm/memory.c:5711 [inline] do_pte_missing mm/memory.c:4234 [inline] handle_pte_fault mm/memory.c:6052 [inline] __handle_mm_fault+0x1847/0x5440 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 page last free pid 5366 tgid 5364 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1395 [inline] __free_frozen_pages+0xbc4/0xd30 mm/page_alloc.c:2895 rcu_do_batch kernel/rcu/tree.c:2605 [inline] rcu_core+0xcab/0x1770 kernel/rcu/tree.c:2861 handle_softirqs+0x286/0x870 kernel/softirq.c:579 __do_softirq kernel/softirq.c:613 [inline] invoke_softirq kernel/softirq.c:453 [inline] __irq_exit_rcu+0xca/0x1f0 kernel/softirq.c:680 irq_exit_rcu+0x9/0x30 kernel/softirq.c:696 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1050 [inline] sysvec_apic_timer_interrupt+0x57/0xc0 arch/x86/kernel/apic/apic.c:1050 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 ------------[ cut here ]------------ kernel BUG at mm/filemap.c:868! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5364 Comm: syz.0.0 Not tainted 6.16.0-syzkaller-11322-g352af6a011d5 #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:__filemap_add_folio+0x11ad/0x12f0 mm/filemap.c:867 Code: df c7 ff 4c 89 e7 48 c7 c6 80 4b 94 8b e8 9b 2b 30 ff 90 0f 0b e8 33 df c7 ff 4c 89 e7 48 c7 c6 60 42 94 8b e8 84 2b 30 ff 90 <0f> 0b e8 1c df c7 ff 4c 89 e7 48 c7 c6 80 4b 94 8b e8 6d 2b 30 ff RSP: 0018:ffffc9000d40f6a0 EFLAGS: 00010246 RAX: 7cdbb5f247a06600 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000007 RSI: ffffffff8d9b471f RDI: 00000000ffffffff RBP: ffffc9000d40f810 R08: ffffffff8fa34537 R09: 1ffffffff1f468a6 R10: dffffc0000000000 R11: fffffbfff1f468a7 R12: ffffea00010d7380 R13: dffffc0000000000 R14: ffffea00010d7388 R15: 0000000000000004 FS: 0000555561b5e500(0000) GS:ffff88808d21f000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f797c788558 CR3: 0000000043c29000 CR4: 0000000000352ef0 Call Trace: filemap_add_folio+0xd5/0x270 mm/filemap.c:969 ra_alloc_folio mm/readahead.c:448 [inline] page_cache_ra_order+0x643/0xd40 mm/readahead.c:506 do_sync_mmap_readahead+0x25e/0x7a0 mm/filemap.c:-1 filemap_fault+0x62c/0x1200 mm/filemap.c:3445 __do_fault+0x138/0x390 mm/memory.c:5152 do_shared_fault mm/memory.c:5637 [inline] do_fault mm/memory.c:5711 [inline] do_pte_missing mm/memory.c:4234 [inline] handle_pte_fault mm/memory.c:6052 [inline] __handle_mm_fault+0x1847/0x5440 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: 0033:0x7f797c55830c Code: 00 00 00 74 a0 83 f9 c0 0f 87 56 fe ff ff 62 e1 fe 28 6f 4e 01 48 29 fe 48 83 c7 3f 49 8d 0c 10 48 83 e7 c0 48 01 fe 48 29 f9 a4 62 c1 fe 28 7f 00 62 c1 fe 28 7f 48 01 c3 0f 1f 40 00 4c 8b RSP: 002b:00007ffc7e2203c8 EFLAGS: 00010206 RAX: 0000200000020c40 RBX: 0000000000000004 RCX: 00000000000105a3 RDX: 00000000000105a3 RSI: 00007f797c0054bb RDI: 0000200000020c40 RBP: 00007ffc7e220498 R08: 0000200000020c40 R09: 0000000000000008 R10: 0000000000000000 R11: 0000000000000002 R12: 00007f797c7b608c R13: 00007f797c7b6080 R14: fffffffffffffffe R15: 0000000000000007 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__filemap_add_folio+0x11ad/0x12f0 mm/filemap.c:867 Code: df c7 ff 4c 89 e7 48 c7 c6 80 4b 94 8b e8 9b 2b 30 ff 90 0f 0b e8 33 df c7 ff 4c 89 e7 48 c7 c6 60 42 94 8b e8 84 2b 30 ff 90 <0f> 0b e8 1c df c7 ff 4c 89 e7 48 c7 c6 80 4b 94 8b e8 6d 2b 30 ff RSP: 0018:ffffc9000d40f6a0 EFLAGS: 00010246 RAX: 7cdbb5f247a06600 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000007 RSI: ffffffff8d9b471f RDI: 00000000ffffffff RBP: ffffc9000d40f810 R08: ffffffff8fa34537 R09: 1ffffffff1f468a6 R10: dffffc0000000000 R11: fffffbfff1f468a7 R12: ffffea00010d7380 R13: dffffc0000000000 R14: ffffea00010d7388 R15: 0000000000000004 FS: 0000555561b5e500(0000) GS:ffff88808d21f000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f797c788558 CR3: 0000000043c29000 CR4: 0000000000352ef0