page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x1f pfn:0x42e30 memcg:ffff88801c2b0d00 flags: 0x4fff00000000001(locked|node=1|zone=1|lastcpupid=0x7ff) raw: 04fff00000000001 0000000000000000 dead000000000122 0000000000000000 raw: 000000000000001f 0000000000000000 00000001ffffffff ffff88801c2b0d00 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 5353, tgid 5353 (syz.0.0), ts 75636127305, free_ts 75635717114 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 5354 tgid 5353 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1395 [inline] free_unref_folios+0xdbd/0x1520 mm/page_alloc.c:2952 folios_put_refs+0x559/0x640 mm/swap.c:997 folio_batch_release include/linux/pagevec.h:101 [inline] truncate_inode_pages_range+0x346/0xda0 mm/truncate.c:383 kill_bdev block/bdev.c:91 [inline] set_blocksize+0x32a/0x500 block/bdev.c:207 blkdev_bszset+0x1ac/0x220 block/ioctl.c:554 blkdev_ioctl+0x430/0x6d0 block/ioctl.c:688 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:598 [inline] __se_sys_ioctl+0xf9/0x170 fs/ioctl.c:584 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f ------------[ cut here ]------------ kernel BUG at mm/filemap.c:868! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5353 Comm: syz.0.0 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:__filemap_add_folio+0x11ad/0x12f0 mm/filemap.c:867 Code: cf c7 ff 4c 89 e7 48 c7 c6 80 4d 94 8b e8 9b 0d 30 ff 90 0f 0b e8 13 cf c7 ff 4c 89 e7 48 c7 c6 60 44 94 8b e8 84 0d 30 ff 90 <0f> 0b e8 fc ce c7 ff 4c 89 e7 48 c7 c6 80 4d 94 8b e8 6d 0d 30 ff RSP: 0018:ffffc9000d38f6a0 EFLAGS: 00010246 RAX: 4347bdcbf5bd9300 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000007 RSI: ffffffff8d9bbb7f RDI: 00000000ffffffff RBP: ffffc9000d38f810 R08: ffffffff8fa3b637 R09: 1ffffffff1f476c6 R10: dffffc0000000000 R11: fffffbfff1f476c7 R12: ffffea00010b8c00 R13: dffffc0000000000 R14: ffffea00010b8c08 R15: 0000000000000004 FS: 000055556c938500(0000) GS:ffff88808d20d000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000020000057eff8 CR3: 000000004392b000 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: 0033:0x7fde9ec55003 Code: 48 85 c0 74 1b 48 83 f8 01 0f 85 3b 03 00 00 0f b7 44 24 18 66 c1 c0 08 0f b7 c0 48 89 44 24 18 48 8b 44 24 10 0f b7 54 24 18 <66> 89 10 e9 82 fe ff ff 48 83 3c 24 08 0f 85 a1 02 00 00 48 8b 44 RSP: 002b:00007ffd6895bf20 EFLAGS: 00010246 RAX: 000020000057eff8 RBX: 0000000000000002 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000055556c9383c8 RBP: 00007ffd6895c028 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 00007fde9efc5fac R13: 00007fde9efc5fa0 R14: fffffffffffffffe R15: 0000000000000003 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__filemap_add_folio+0x11ad/0x12f0 mm/filemap.c:867 Code: cf c7 ff 4c 89 e7 48 c7 c6 80 4d 94 8b e8 9b 0d 30 ff 90 0f 0b e8 13 cf c7 ff 4c 89 e7 48 c7 c6 60 44 94 8b e8 84 0d 30 ff 90 <0f> 0b e8 fc ce c7 ff 4c 89 e7 48 c7 c6 80 4d 94 8b e8 6d 0d 30 ff RSP: 0018:ffffc9000d38f6a0 EFLAGS: 00010246 RAX: 4347bdcbf5bd9300 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000007 RSI: ffffffff8d9bbb7f RDI: 00000000ffffffff RBP: ffffc9000d38f810 R08: ffffffff8fa3b637 R09: 1ffffffff1f476c6 R10: dffffc0000000000 R11: fffffbfff1f476c7 R12: ffffea00010b8c00 R13: dffffc0000000000 R14: ffffea00010b8c08 R15: 0000000000000004 FS: 000055556c938500(0000) GS:ffff88808d20d000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000020000057eff8 CR3: 000000004392b000 CR4: 0000000000352ef0