page:ffffea0002a60000 refcount:0 mapcount:0 mapping:0000000000000000 index:0x20400 pfn:0xa9800 head:ffffea0002a60000 order:9 compound_mapcount:0 compound_pincount:0 memcg:ffff88804e562000 anon flags: 0xfff0000009001d(locked|uptodate|dirty|lru|head|swapbacked|node=0|zone=1|lastcpupid=0x7ff) raw: 00fff0000009001d ffffea0002a98008 ffffea0002a65248 ffff8880269cf881 raw: 0000000000020400 0000000000000000 00000000ffffffff ffff88804e562000 page dumped because: VM_WARN_ON_ONCE_PAGE(page_tail->private != 0) page_owner tracks the page as allocated page last allocated via order 9, migratetype Movable, gfp_mask 0x3d24ca(GFP_TRANSHUGE|__GFP_NORETRY|__GFP_THISNODE), pid 6719, tgid 6718 (syz-executor.3), ts 2824496445991, free_ts 2820914853321 prep_new_page mm/page_alloc.c:2538 [inline] get_page_from_freelist+0x72b/0x7a0 mm/page_alloc.c:4287 __alloc_pages+0x259/0x560 mm/page_alloc.c:5554 __folio_alloc+0xf/0x30 mm/page_alloc.c:5586 vma_alloc_folio+0x971/0xb60 mm/mempolicy.c:2227 do_huge_pmd_anonymous_page+0x23a/0x600 mm/huge_memory.c:832 create_huge_pmd mm/memory.c:4820 [inline] __handle_mm_fault mm/memory.c:5067 [inline] handle_mm_fault+0x15fd/0x3660 mm/memory.c:5218 faultin_page mm/gup.c:1009 [inline] __get_user_pages+0x4db/0x1200 mm/gup.c:1230 __get_user_pages_locked mm/gup.c:1434 [inline] __get_user_pages_remote+0x1c2/0x750 mm/gup.c:2187 process_vm_rw_single_vec+0x224/0x630 mm/process_vm_access.c:105 process_vm_rw_core mm/process_vm_access.c:215 [inline] process_vm_rw+0x5a2/0x800 mm/process_vm_access.c:283 __do_sys_process_vm_writev mm/process_vm_access.c:303 [inline] __se_sys_process_vm_writev mm/process_vm_access.c:298 [inline] __x64_sys_process_vm_writev+0xdc/0xf0 mm/process_vm_access.c:298 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd page last free stack trace: reset_page_owner include/linux/page_owner.h:24 [inline] free_pages_prepare mm/page_alloc.c:1458 [inline] free_pcp_prepare+0x80c/0x8f0 mm/page_alloc.c:1508 free_unref_page_prepare mm/page_alloc.c:3386 [inline] free_unref_page+0x7d/0x630 mm/page_alloc.c:3482 io_ring_ctx_free+0x7d2/0xa59 io_uring/io_uring.c:2627 io_ring_exit_work+0x6e1/0x74c io_uring/io_uring.c:2789 process_one_work+0x81c/0xd10 kernel/workqueue.c:2289 worker_thread+0xb14/0x1330 kernel/workqueue.c:2436 kthread+0x266/0x300 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 6734 at mm/huge_memory.c:2465 __split_huge_page_tail+0x81c/0x1080 mm/huge_memory.c:2465 Modules linked in: CPU: 0 PID: 6734 Comm: syz-executor.3 Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 RIP: 0010:__split_huge_page_tail+0x81c/0x1080 mm/huge_memory.c:2465 Code: ff ff e8 c7 9c a6 ff 48 ff cb e9 1a fd ff ff e8 ba 9c a6 ff 4c 89 ef 48 c7 c6 80 5d bb 8a e8 6b f0 e3 ff c6 05 d0 17 30 0c 01 <0f> 0b e9 cb fb ff ff 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c 29 f8 ff RSP: 0018:ffffc9000341f0e8 EFLAGS: 00010046 RAX: 020bba8f7f25cb00 RBX: 1ffffd400054ca45 RCX: ffffffff8169265b RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff8e278328 RBP: ffffea0002a60008 R08: dffffc0000000000 R09: fffffbfff1c4f066 R10: fffffbfff1c4f066 R11: 1ffffffff1c4f065 R12: ffffea0002a65200 R13: ffffea0002a60000 R14: 1ffffd400054c001 R15: ffffea0002a65228 FS: 00007f6e6dc51700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000200d3000 CR3: 0000000040bf1000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 000000000000003b DR6: 00000000ffff0ff0 DR7: 0000000000000400 Call Trace: __split_huge_page+0x403/0x1df0 mm/huge_memory.c:2527 split_huge_page_to_list+0x101d/0x1c90 mm/huge_memory.c:2756 split_huge_page include/linux/huge_mm.h:188 [inline] madvise_free_huge_pmd+0x5a0/0xfa0 mm/huge_memory.c:1600 madvise_free_pte_range+0x1cd/0x1f70 mm/madvise.c:611 walk_pmd_range mm/pagewalk.c:128 [inline] walk_pud_range mm/pagewalk.c:205 [inline] walk_p4d_range mm/pagewalk.c:240 [inline] walk_pgd_range+0xbc5/0x1470 mm/pagewalk.c:277 __walk_page_range+0x132/0x5b0 mm/pagewalk.c:379 walk_page_range+0x513/0x6f0 mm/pagewalk.c:477 madvise_free_single_vma mm/madvise.c:762 [inline] madvise_dontneed_free+0xe4c/0x1540 mm/madvise.c:878 madvise_vma_behavior mm/madvise.c:1015 [inline] madvise_walk_vmas mm/madvise.c:1240 [inline] do_madvise+0x7d3/0x2000 mm/madvise.c:1419 __do_sys_madvise mm/madvise.c:1432 [inline] __se_sys_madvise mm/madvise.c:1430 [inline] __x64_sys_madvise+0xa2/0xb0 mm/madvise.c:1430 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f6e6ce8b5a9 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f6e6dc51168 EFLAGS: 00000246 ORIG_RAX: 000000000000001c RAX: ffffffffffffffda RBX: 00007f6e6cfac050 RCX: 00007f6e6ce8b5a9 RDX: 0000000000000008 RSI: 0000000000400000 RDI: 0000000020495000 RBP: 00007f6e6cee67b0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffdf01b578f R14: 00007f6e6dc51300 R15: 0000000000022000