------------[ cut here ]------------ refcount_t: saturated; leaking memory. WARNING: CPU: 3 PID: 7222 at lib/refcount.c:22 refcount_warn_saturate+0xd4/0x210 lib/refcount.c:22 Modules linked in: CPU: 3 PID: 7222 Comm: syz-executor.3 Not tainted 6.9.0-rc2-syzkaller-00040-gb1e6ec0a0fd0 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 RIP: 0010:refcount_warn_saturate+0xd4/0x210 lib/refcount.c:22 Code: 34 0d 0b 31 ff 89 de e8 0a 4d 12 fd 84 db 75 dc e8 81 52 12 fd c6 05 78 34 0d 0b 01 90 48 c7 c7 a0 b4 6e 8b e8 dd 25 d5 fc 90 <0f> 0b 90 90 eb bc e8 61 52 12 fd 0f b6 1d 59 34 0d 0b 31 ff 89 de RSP: 0018:ffffc90003ede9a8 EFLAGS: 00010282 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff8150eb59 RDX: ffff88806713a440 RSI: ffffffff8150eb66 RDI: 0000000000000001 RBP: ffff88806041b0bc R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000002 R12: 00000000c0000000 R13: ffff8880532e9128 R14: ffff88805e94a580 R15: 0000000000000007 FS: 0000000000000000(0000) GS:ffff88802c500000(0063) knlGS:00000000f5f16b40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 000000c000a18000 CR3: 00000000554dc000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __refcount_add include/linux/refcount.h:192 [inline] __refcount_inc include/linux/refcount.h:241 [inline] refcount_inc include/linux/refcount.h:258 [inline] inc_stack_record_count mm/page_owner.c:220 [inline] __set_page_owner+0x62e/0x7f0 mm/page_owner.c:308 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x2d4/0x350 mm/page_alloc.c:1534 prep_new_page mm/page_alloc.c:1541 [inline] get_page_from_freelist+0xa28/0x3780 mm/page_alloc.c:3317 __alloc_pages+0x22b/0x2460 mm/page_alloc.c:4575