loop0: detected capacity change from 0 to 32768 XFS (loop0): Mounting V5 Filesystem bfdc47fc-10d8-4eed-a562-11a831b3f791 XFS (loop0): Ending clean mount XFS (loop0): Quotacheck needed: Please wait. XFS (loop0): Quotacheck: Done. BUG: Bad page state in process syz.0.0 pfn:51200 page: refcount:0 mapcount:0 mapping:ffff888043f39b48 index:0x0 pfn:0x51200 aops:xfs_address_space_operations ino:244b dentry name(?):"bus" flags: 0x4fff0000000000c(referenced|uptodate|node=1|zone=1|lastcpupid=0x7ff) raw: 04fff0000000000c dead000000000100 dead000000000122 ffff888043f39b48 raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 page dumped because: non-NULL mapping page_owner tracks the page as allocated page last allocated via order 0, migratetype Movable, gfp_mask 0x153c4a(GFP_NOFS|__GFP_HIGHMEM|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_HARDWALL|__GFP_MOVABLE|__GFP_WRITE), pid 5323, tgid 5322 (syz.0.0), ts 70442471516, free_ts 70322228416 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1556 prep_new_page mm/page_alloc.c:1564 [inline] get_page_from_freelist+0x3649/0x3790 mm/page_alloc.c:3474 __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4750 alloc_pages_mpol_noprof+0x3e8/0x680 mm/mempolicy.c:2265 alloc_pages_noprof mm/mempolicy.c:2345 [inline] folio_alloc_noprof+0x128/0x180 mm/mempolicy.c:2352 filemap_alloc_folio_noprof+0xdf/0x500 mm/filemap.c:1010 __filemap_get_folio+0x446/0xbd0 mm/filemap.c:1952 iomap_get_folio fs/iomap/buffered-io.c:608 [inline] __iomap_get_folio fs/iomap/buffered-io.c:754 [inline] iomap_write_begin+0x52a/0x16f0 fs/iomap/buffered-io.c:797 iomap_write_iter fs/iomap/buffered-io.c:955 [inline] iomap_file_buffered_write+0x68f/0xe50 fs/iomap/buffered-io.c:1039 xfs_file_buffered_write+0x2de/0xac0 fs/xfs/xfs_file.c:792 new_sync_write fs/read_write.c:590 [inline] vfs_write+0xaeb/0xd30 fs/read_write.c:683 ksys_write+0x183/0x2b0 fs/read_write.c:736 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f page last free pid 5323 tgid 5322 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1127 [inline] free_unref_folios+0xf37/0x1a20 mm/page_alloc.c:2704 folios_put_refs+0x76c/0x860 mm/swap.c:993 free_pages_and_swap_cache+0x2ea/0x690 mm/swap_state.c:332 __tlb_batch_free_encoded_pages mm/mmu_gather.c:136 [inline] tlb_batch_pages_flush mm/mmu_gather.c:149 [inline] tlb_flush_mmu_free mm/mmu_gather.c:366 [inline] tlb_flush_mmu+0x3a3/0x680 mm/mmu_gather.c:373 tlb_finish_mmu+0xd4/0x200 mm/mmu_gather.c:465 vms_clear_ptes+0x437/0x530 mm/vma.c:1102 vms_complete_munmap_vmas+0x214/0x8f0 mm/vma.c:1144 do_vmi_align_munmap+0x5ef/0x6f0 mm/vma.c:1353 do_vmi_munmap+0x24e/0x2d0 mm/vma.c:1401 __vm_munmap+0x24c/0x480 mm/mmap.c:1623 __do_sys_munmap mm/mmap.c:1640 [inline] __se_sys_munmap mm/mmap.c:1637 [inline] __x64_sys_munmap+0x60/0x70 mm/mmap.c:1637 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Modules linked in: CPU: 0 UID: 0 PID: 5323 Comm: syz.0.0 Not tainted 6.12.0-rc7-syzkaller-00189-ge8bdb3c8be08 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 bad_page+0x176/0x1d0 mm/page_alloc.c:501 free_page_is_bad mm/page_alloc.c:923 [inline] free_pages_prepare mm/page_alloc.c:1119 [inline] free_unref_page+0x105e/0x1140 mm/page_alloc.c:2657 __folio_put+0x2c7/0x440 mm/swap.c:112 folio_put include/linux/mm.h:1478 [inline] truncate_inode_pages_range+0x7e7/0xfc0 mm/truncate.c:360 xfs_flush_unmap_range+0xb8/0xd0 fs/xfs/xfs_bmap_util.c:824 xfs_reflink_remap_prep+0x581/0x6a0 xfs_file_remap_range+0x2b2/0x8d0 fs/xfs/xfs_file.c:1196 vfs_copy_file_range+0xc07/0x1510 fs/read_write.c:1615 __do_sys_copy_file_range fs/read_write.c:1705 [inline] __se_sys_copy_file_range+0x3f2/0x5d0 fs/read_write.c:1668 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fc5c517e719 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fc5c4bfe038 EFLAGS: 00000246 ORIG_RAX: 0000000000000146 RAX: ffffffffffffffda RBX: 00007fc5c5335f80 RCX: 00007fc5c517e719 RDX: 0000000000000005 RSI: 00000000200001c0 RDI: 0000000000000006 RBP: 00007fc5c51f175e R08: 00000000a003e458 R09: 0700000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fc5c5335f80 R15: 00007ffd4050ce88