------------[ cut here ]------------
WARNING: CPU: 1 PID: 4625 at fs/ext4/inode.c:3621 ext4_set_page_dirty+0x28c/0x320 fs/ext4/inode.c:3621
Modules linked in:
CPU: 1 PID: 4625 Comm: syz-executor.0 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:ext4_set_page_dirty+0x28c/0x320 fs/ext4/inode.c:3621
Code: 5d 41 5e 41 5f 5d e9 a3 45 cb ff e8 5e 59 6c ff 49 ff cf e9 df fd ff ff e8 51 59 6c ff 49 ff cf e9 39 fe ff ff e8 44 59 6c ff <0f> 0b eb cb e8 3b 59 6c ff 49 ff cf e9 9d fe ff ff e8 2e 59 6c ff
RSP: 0018:ffffc9000330fab8 EFLAGS: 00010293
RAX: ffffffff820cefac RBX: ffffea0001bba400 RCX: ffff888075cd3b80
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 1ffffd4000377481 R08: ffffea0001bba407 R09: 1ffffd4000377480
R10: dffffc0000000000 R11: fffff94000377481 R12: 00fff00000000015
R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffffd4000377480
FS:  00007f600b6906c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffc1ca3a9b8 CR3: 00000000764c6000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 set_page_dirty_lock+0xb8/0xe0 mm/page-writeback.c:2656
 unpin_user_pages_dirty_lock+0x2bf/0x4a0 mm/gup.c:365
 process_vm_rw_single_vec mm/process_vm_access.c:126 [inline]
 process_vm_rw_core mm/process_vm_access.c:215 [inline]
 process_vm_rw+0x946/0xbe0 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+0xdc/0xf0 mm/process_vm_access.c:298
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f600c3202b9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 d0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f600b6900b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000137
RAX: ffffffffffffffda RBX: 00007f600c45f050 RCX: 00007f600c3202b9
RDX: 0000000000000001 RSI: 0000000020c22000 RDI: 000000000000000b
RBP: 00007f600c381498 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000020c22fa0 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f600c45f050 R15: 00007ffd8c54bfa8
 </TASK>