------------[ cut here ]------------
WARNING: CPU: 0 PID: 6239 at kernel/workqueue.c:2257 __queue_work+0xc3a/0x1080 kernel/workqueue.c:2256
Modules linked in:
CPU: 0 UID: 0 PID: 6239 Comm: syz.3.56 Not tainted 6.13.0-rc2-syzkaller-00362-g2d8308bf5b67 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024
RIP: 0010:__queue_work+0xc3a/0x1080 kernel/workqueue.c:2256
Code: 07 83 c0 03 38 d0 7c 09 84 d2 74 05 e8 af bb 98 00 8b 5b 2c 31 ff 83 e3 20 89 de e8 20 e9 36 00 85 db 75 60 e8 d7 e6 36 00 90 <0f> 0b 90 e9 f9 f7 ff ff e8 c9 e6 36 00 90 0f 0b 90 e9 7e f6 ff ff
RSP: 0018:ffffc90000007be8 EFLAGS: 00010046
RAX: 0000000000000000 RBX: 0000000000000100 RCX: ffffffff81631bc1
RDX: ffff88807e5d1e00 RSI: ffffffff81631c19 RDI: 0000000000000005
RBP: ffff888058fe0930 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000100 R11: 0000000000000006 R12: 1ffff92000000f8f
R13: 0000000000000001 R14: 0000000080000101 R15: ffff888031125800
FS:  00007f4703a316c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c260d1c CR3: 000000007cad2000 CR4: 0000000000350ef0
Call Trace:
 <IRQ>
 call_timer_fn+0x1a3/0x610 kernel/time/timer.c:1793
 expire_timers kernel/time/timer.c:1839 [inline]
 __run_timers+0x56a/0x930 kernel/time/timer.c:2418
 __run_timer_base kernel/time/timer.c:2430 [inline]
 __run_timer_base kernel/time/timer.c:2422 [inline]
 run_timer_base+0x114/0x190 kernel/time/timer.c:2439
 run_timer_softirq+0x1a/0x40 kernel/time/timer.c:2449
 handle_softirqs+0x216/0x8f0 kernel/softirq.c:561
 __do_softirq kernel/softirq.c:595 [inline]
 invoke_softirq kernel/softirq.c:435 [inline]
 __irq_exit_rcu+0x109/0x170 kernel/softirq.c:662
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:678
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
 sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1049
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:page_ref_add_unless.constprop.0+0x59/0x390 include/linux/page_ref.h:237
Code: 00 50 e8 7a f5 a7 ff e8 35 42 58 09 31 ff 89 c3 89 c6 e8 4a 3e cb ff 85 db 58 0f 85 77 01 00 00 e8 fc 3b cb ff 0f 1f 44 00 00 <e8> f2 3b cb ff e8 ed 3b cb ff 48 8d 5d 34 be 04 00 00 00 48 89 df
RSP: 0018:ffffc90004fa7640 EFLAGS: 00000246
RAX: 0000000000080000 RBX: 0000000000000001 RCX: ffffc9000dd4e000
RDX: 0000000000080000 RSI: ffffffff81cec6f4 RDI: 0000000000000001
RBP: ffffea0001ac1640 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000005 R12: 0000000000000000
R13: 000000000000085f R14: dffffc0000000000 R15: 1ffff920009f4ef7
 folio_ref_add_unless include/linux/page_ref.h:248 [inline]
 folio_try_get include/linux/page_ref.h:264 [inline]
 next_uptodate_folio+0xac/0x4a0 mm/filemap.c:3504
 filemap_map_pages+0x648/0x16b0 mm/filemap.c:3687
 do_fault_around mm/memory.c:5280 [inline]
 do_read_fault mm/memory.c:5313 [inline]
 do_fault mm/memory.c:5456 [inline]
 do_pte_missing+0xda9/0x3e00 mm/memory.c:3979
 handle_pte_fault mm/memory.c:5801 [inline]
 __handle_mm_fault+0x103c/0x2a40 mm/memory.c:5944
 handle_mm_fault+0x3fa/0xaa0 mm/memory.c:6112
 faultin_page mm/gup.c:1196 [inline]
 __get_user_pages+0x8d9/0x3b50 mm/gup.c:1494
 populate_vma_page_range+0x27f/0x3a0 mm/gup.c:1932
 __mm_populate+0x1d6/0x380 mm/gup.c:2035
 mm_populate include/linux/mm.h:3386 [inline]
 vm_mmap_pgoff+0x293/0x360 mm/util.c:585
 ksys_mmap_pgoff+0x7d/0x5c0 mm/mmap.c:542
 __do_sys_mmap arch/x86/kernel/sys_x86_64.c:89 [inline]
 __se_sys_mmap arch/x86/kernel/sys_x86_64.c:82 [inline]
 __x64_sys_mmap+0x125/0x190 arch/x86/kernel/sys_x86_64.c:82
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4702b85d19
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:00007f4703a31038 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007f4702d76080 RCX: 00007f4702b85d19
RDX: b635773f06ebbeee RSI: 0000000000b36000 RDI: 0000000020000000
RBP: 00007f4702c01a20 R08: ffffffffffffffff R09: 0000000000000000
R10: 0000000000008031 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f4702d76080 R15: 00007ffe3e4f5f58
 </TASK>
----------------
Code disassembly (best guess), 1 bytes skipped:
   0:	50                   	push   %rax
   1:	e8 7a f5 a7 ff       	call   0xffa7f580
   6:	e8 35 42 58 09       	call   0x9584240
   b:	31 ff                	xor    %edi,%edi
   d:	89 c3                	mov    %eax,%ebx
   f:	89 c6                	mov    %eax,%esi
  11:	e8 4a 3e cb ff       	call   0xffcb3e60
  16:	85 db                	test   %ebx,%ebx
  18:	58                   	pop    %rax
  19:	0f 85 77 01 00 00    	jne    0x196
  1f:	e8 fc 3b cb ff       	call   0xffcb3c20
  24:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
* 29:	e8 f2 3b cb ff       	call   0xffcb3c20 <-- trapping instruction
  2e:	e8 ed 3b cb ff       	call   0xffcb3c20
  33:	48 8d 5d 34          	lea    0x34(%rbp),%rbx
  37:	be 04 00 00 00       	mov    $0x4,%esi
  3c:	48 89 df             	mov    %rbx,%rdi