syzbot

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WARNING: CPU: 1 PID: 3550 at fs/ext4/inode.c:3647 ext4_dirty_folio+0x155/0x310
Modules linked in:
CPU: 1 PID: 3550 Comm: syz-executor321 Not tainted 6.1.81-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
RIP: 0010:ext4_dirty_folio+0x155/0x310 fs/ext4/inode.c:3647
Code: 48 83 3b 00 74 1f e8 6a 21 4f ff 48 8b 3c 24 4c 89 fe 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f 5d e9 90 b1 c5 ff e8 4b 21 4f ff <0f> 0b eb dd e8 42 21 4f ff 0f 0b eb af e8 39 21 4f ff 4c 89 ff 48
RSP: 0018:ffffc90003aefac0 EFLAGS: 00010293
RAX: ffffffff823b5dc5 RBX: ffffea0001c97d68 RCX: ffff888024d35940
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: 1ffffd4000392fa8 R08: ffffffff823b5d06 R09: fffff94000392fa9
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffffea0001c97d48 R14: 0000000000000001 R15: ffffea0001c97d40
FS:  00007f98c09046c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002034afa4 CR3: 0000000024be1000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 unpin_user_pages_dirty_lock+0x2ea/0x530 mm/gup.c:343
 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+0x94a/0xcc0 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:51 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f98c09673e9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 17 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f98c0904208 EFLAGS: 00000246 ORIG_RAX: 0000000000000137
RAX: ffffffffffffffda RBX: 00007f98c09ee6d8 RCX: 00007f98c09673e9
RDX: 0000000000000070 RSI: 0000000020c22000 RDI: 0000000000000dde
RBP: 00007f98c09ee6d0 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000020c22fa0 R11: 0000000000000246 R12: 00007f98c09bb7ec
R13: 00007f98c09bb047 R14: 0030656c69662f2e R15: 6576652e73646970
 </TASK>