------------[ cut here ]------------
WARNING: CPU: 0 PID: 17797 at fs/ext4/inode.c:3637 ext4_set_page_dirty+0x303/0x3f0 fs/ext4/inode.c:3637
Modules linked in:
CPU: 0 PID: 17797 Comm: syz-executor.1 Not tainted 5.14.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:ext4_set_page_dirty+0x303/0x3f0 fs/ext4/inode.c:3637
Code: ff e8 d1 d8 66 ff 48 83 eb 01 e9 d2 fd ff ff e8 c3 d8 66 ff 48 c7 c6 00 1f a0 89 48 89 ef e8 14 96 99 ff 0f 0b e8 ad d8 66 ff <0f> 0b e9 72 ff ff ff e8 a1 d8 66 ff 4c 8b 65 08 31 ff 4c 89 e3 83
RSP: 0018:ffffc9000c4779e8 EFLAGS: 00010216
RAX: 0000000000022204 RBX: 0000000000000000 RCX: ffffc900167a0000
RDX: 0000000000040000 RSI: ffffffff820eb023 RDI: 0000000000000003
RBP: ffffea0001a29d40 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff820eaf94 R11: 0000000000000000 R12: ffffea0001a29d48
R13: 0000000000000000 R14: 0000000000000000 R15: ffff8880109b5820
FS:  0000000000000000(0000) GS:ffff8880b9c00000(0063) knlGS:00000000f5571b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00000000f554e000 CR3: 00000000381a4000 CR4: 00000000001526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 set_page_dirty+0x285/0x6b0 mm/page-writeback.c:2592
 set_page_dirty_lock+0x9a/0xe0 mm/page-writeback.c:2617
 unpin_user_pages_dirty_lock+0x3f7/0x550 mm/gup.c:354
 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+0x29c/0x300 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]
 __ia32_sys_process_vm_writev+0xdc/0x1b0 mm/process_vm_access.c:298
 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline]
 __do_fast_syscall_32+0x65/0xf0 arch/x86/entry/common.c:178
 do_fast_syscall_32+0x2f/0x70 arch/x86/entry/common.c:203
 entry_SYSENTER_compat_after_hwframe+0x4d/0x5c
RIP: 0023:0xf7fbc549
Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00
RSP: 002b:00000000f55715fc EFLAGS: 00000296 ORIG_RAX: 000000000000015c
RAX: ffffffffffffffda RBX: 0000000000000e5f RCX: 0000000020c22000
RDX: 0000000000000001 RSI: 0000000020c22fa0 RDI: 0000000000000001
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000