------------[ cut here ]------------
refcount_t: decrement hit 0; leaking memory.
WARNING: CPU: 0 PID: 12347 at lib/refcount.c:31 refcount_warn_saturate+0x1ed/0x210 lib/refcount.c:31
Modules linked in:
CPU: 0 PID: 12347 Comm: syz-executor210 Not tainted 6.9.0-rc4-syzkaller-00031-g96fca68c4fbf #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+0x1ed/0x210 lib/refcount.c:31
Code: 8b e8 d7 a3 d0 fc 90 0f 0b 90 90 e9 c3 fe ff ff e8 38 35 0e fd c6 05 05 3a 09 0b 01 90 48 c7 c7 00 f4 6e 8b e8 b4 a3 d0 fc 90 <0f> 0b 90 90 e9 a0 fe ff ff 48 89 ef e8 a2 58 69 fd e9 44 fe ff ff
RSP: 0018:ffffc9002c33f6b8 EFLAGS: 00010282
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff81503349
RDX: ffff888141bb0000 RSI: ffffffff81503356 RDI: 0000000000000001
RBP: ffff888065e67d3c R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffff888065e67d3c
R13: 0000000000000000 R14: 0000000007a40295 R15: ffff8881039d3178
FS:  0000000000000000(0000) GS:ffff88806b200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fac5cfc1190 CR3: 000000000d57a000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __refcount_dec include/linux/refcount.h:336 [inline]
 refcount_dec include/linux/refcount.h:351 [inline]
 dec_stack_record_count mm/page_owner.c:228 [inline]
 __reset_page_owner+0x2ea/0x370 mm/page_owner.c:266
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1141 [inline]
 free_unref_page_prepare+0x527/0xb10 mm/page_alloc.c:2347
 free_unref_folios+0x256/0xad0 mm/page_alloc.c:2536
 folios_put_refs+0x49c/0x750 mm/swap.c:1034
 free_pages_and_swap_cache+0x40e/0x4b0 mm/swap_state.c:332
 __tlb_batch_free_encoded_pages+0xf9/0x290 mm/mmu_gather.c:136
 tlb_batch_pages_flush mm/mmu_gather.c:149 [inline]
 tlb_flush_mmu_free mm/mmu_gather.c:366 [inline]
 tlb_flush_mmu mm/mmu_gather.c:373 [inline]
 tlb_finish_mmu+0x168/0x7b0 mm/mmu_gather.c:465
 exit_mmap+0x3da/0xb90 mm/mmap.c:3280
 __mmput+0x12a/0x4d0 kernel/fork.c:1345
 mmput+0x62/0x70 kernel/fork.c:1367
 exit_mm kernel/exit.c:569 [inline]
 do_exit+0x999/0x2c10 kernel/exit.c:865
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1027
 __do_sys_exit_group kernel/exit.c:1038 [inline]
 __se_sys_exit_group kernel/exit.c:1036 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1036
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcf/0x260 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fac5cf3f6f9
Code: Unable to access opcode bytes at 0x7fac5cf3f6cf.
RSP: 002b:00007ffd9b6a3a18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fac5cf3f6f9
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
RBP: 00007fac5cfbf2b0 R08: ffffffffffffffb8 R09: 00007ffd9b6a3ab0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fac5cfbf2b0
R13: 0000000000000000 R14: 00007fac5cfc0d80 R15: 00007fac5cf10390
 </TASK>