------------[ cut here ]------------
WARNING: CPU: 1 PID: 4633 at fs/ext4/inode.c:3621 ext4_set_page_dirty+0x28a/0x320 fs/ext4/inode.c:3621
Modules linked in:
CPU: 1 PID: 4633 Comm: syz.3.99 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:ext4_set_page_dirty+0x28a/0x320 fs/ext4/inode.c:3621
Code: 5d 41 5e 41 5f 5d e9 35 4f cb ff e8 f0 62 6c ff 49 ff cf e9 e0 fd ff ff e8 e3 62 6c ff 49 ff cf e9 40 fe ff ff e8 d6 62 6c ff <0f> 0b eb cb e8 cd 62 6c ff 49 ff cf e9 9c fe ff ff e8 c0 62 6c ff
RSP: 0018:ffffc9000306fc30 EFLAGS: 00010287
RAX: ffffffff820c8fca RBX: ffffea0001792480 RCX: 0000000000080000
RDX: ffffc9000ec5b000 RSI: 0000000000004e6b RDI: 0000000000004e6c
RBP: dffffc0000000000 R08: ffffea0001792487 R09: 1ffffd40002f2490
R10: dffffc0000000000 R11: fffff940002f2491 R12: 00fff00000000013
R13: 0000000000000000 R14: 0000000000000000 R15: 1ffffd40002f2490
FS:  00007f8f22df96c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff157475000 CR3: 0000000065c6e000 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
 xdp_umem_unpin_pages net/xdp/xdp_umem.c:28 [inline]
 xdp_umem_pin_pages+0x1ea/0x330 net/xdp/xdp_umem.c:123
 xdp_umem_reg net/xdp/xdp_umem.c:221 [inline]
 xdp_umem_create+0x571/0x790 net/xdp/xdp_umem.c:254
 xsk_setsockopt+0x696/0x800 net/xdp/xsk.c:1118
 __sys_setsockopt+0x2bf/0x3d0 net/socket.c:2213
 __do_sys_setsockopt net/socket.c:2224 [inline]
 __se_sys_setsockopt net/socket.c:2221 [inline]
 __x64_sys_setsockopt+0xb1/0xc0 net/socket.c:2221
 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: 0033:0x7f8f24bc1e59
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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f8f22df9028 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 00007f8f24e4a090 RCX: 00007f8f24bc1e59
RDX: 0000000000000004 RSI: 000000000000011b RDI: 0000000000000006
RBP: 00007f8f24c57e6f R08: 0000000000000020 R09: 0000000000000000
R10: 0000200000000080 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f8f24e4a128 R14: 00007f8f24e4a090 R15: 00007ffcee5ceb18
 </TASK>