------------[ cut here ]------------
WARNING: CPU: 0 PID: 12415 at fs/ext4/inode.c:3600 ext4_dirty_folio+0xf4/0x120 fs/ext4/inode.c:3600
Modules linked in:
CPU: 1 PID: 12415 Comm: syz-executor.1 Tainted: G        W         5.17.0-next-20220322-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:ext4_dirty_folio+0xf4/0x120 fs/ext4/inode.c:3600
Code: 1b 31 ff 48 c1 eb 03 83 e3 01 89 de e8 a5 d0 5d ff 84 db 0f 85 72 ff ff ff e8 b8 cc 5d ff 0f 0b e9 66 ff ff ff e8 ac cc 5d ff <0f> 0b eb 88 48 89 df e8 50 7d a9 ff e9 3d ff ff ff e8 46 7d a9 ff
RSP: 0018:ffffc90004f0fa48 EFLAGS: 00010246
RAX: 0000000000040000 RBX: 0000000000000001 RCX: ffffc9000b762000
RDX: 0000000000040000 RSI: ffffffff821adc84 RDI: ffffea000183f228
RBP: ffffea000183f200 R08: 0000000000000000 R09: 0000000000000001
R10: ffffffff821adbe1 R11: 0000000000000000 R12: ffff888042d78ee0
R13: dffffc0000000000 R14: ffffea000183f200 R15: ffffea000183f200
FS:  00007fafd9cb1700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002034afa4 CR3: 000000007a7b3000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 000000000000003b DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 folio_mark_dirty+0xc1/0x140 mm/page-writeback.c:2713
 unpin_user_pages_dirty_lock mm/gup.c:299 [inline]
 unpin_user_pages_dirty_lock+0x404/0x4c0 mm/gup.c:263
 process_vm_rw_single_vec mm/process_vm_access.c:126 [inline]
 process_vm_rw_core.constprop.0+0x7bb/0x990 mm/process_vm_access.c:215
 process_vm_rw+0x1b6/0x260 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+0xdf/0x1b0 mm/process_vm_access.c:298
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0x80 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fafd8a89049
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:00007fafd9cb1168 EFLAGS: 00000246 ORIG_RAX: 0000000000000137
RAX: ffffffffffffffda RBX: 00007fafd8b9c030 RCX: 00007fafd8a89049
RDX: 0000000000000001 RSI: 0000000020c22000 RDI: 00000000000003ae
RBP: 00007fafd8ae308d R08: 0000000000000001 R09: 0000000000000000
R10: 0000000020c22fa0 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffca596cc9f R14: 00007fafd9cb1300 R15: 0000000000022000
 </TASK>