------------[ cut here ]------------
WARNING: fs/ext4/inode.c:3999 at ext4_dirty_folio+0x172/0x1b0 fs/ext4/inode.c:3999, CPU#0: syz.1.415/7949
Modules linked in:
CPU: 0 UID: 0 PID: 7949 Comm: syz.1.415 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:ext4_dirty_folio+0x172/0x1b0 fs/ext4/inode.c:3999
Code: e4 99 49 ff 4c 89 e7 48 89 de 5b 41 5c 41 5d 41 5e 41 5f 5d e9 8f 5f d0 ff e8 ca 99 49 ff 90 0f 0b 90 eb e0 e8 bf 99 49 ff 90 <0f> 0b 90 eb a7 e8 b4 99 49 ff 48 89 df 48 c7 c6 80 ac be 8b e8 15
RSP: 0018:ffffc90003a4f5a8 EFLAGS: 00010293
RAX: ffffffff82772c01 RBX: ffffea0001377ec0 RCX: ffff888029abbc80
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 1ffffd400026efd8 R08: ffffea0001377ec7 R09: 1ffffd400026efd8
R10: dffffc0000000000 R11: fffff9400026efd9 R12: ffff88807f2d5ac8
R13: 1ffffd400026efd9 R14: 0000000000000000 R15: ffffea0001377ec8
FS:  0000000000000000(0000) GS:ffff8881259f9000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c2dec50 CR3: 000000000e138000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 zap_present_folio_ptes mm/memory.c:1629 [inline]
 zap_present_ptes mm/memory.c:1709 [inline]
 do_zap_pte_range mm/memory.c:1810 [inline]
 zap_pte_range mm/memory.c:1854 [inline]
 zap_pmd_range mm/memory.c:1946 [inline]
 zap_pud_range mm/memory.c:1975 [inline]
 zap_p4d_range mm/memory.c:1996 [inline]
 unmap_page_range+0x17c9/0x4370 mm/memory.c:2017
 unmap_single_vma mm/memory.c:2060 [inline]
 unmap_vmas+0x399/0x580 mm/memory.c:2104
 exit_mmap+0x240/0xb40 mm/mmap.c:1280
 __mmput+0x118/0x430 kernel/fork.c:1148
 exit_mm+0x1da/0x2c0 kernel/exit.c:582
 do_exit+0x648/0x2300 kernel/exit.c:954
 do_group_exit+0x21c/0x2d0 kernel/exit.c:1107
 __do_sys_exit_group kernel/exit.c:1118 [inline]
 __se_sys_exit_group kernel/exit.c:1116 [inline]
 __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1116
 x64_sys_call+0x21f7/0x2200 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f089d58ebe9
Code: Unable to access opcode bytes at 0x7f089d58ebbf.
RSP: 002b:00007ffea23a43f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f089d58ebe9
RDX: 00007f089c7f9000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007ffea23a445c R08: 0000000000000204 R09: 00000000000927c0
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000004d
R13: 00000000000927c0 R14: 0000000000039ed0 R15: 00007ffea23a44b0
 </TASK>