------------[ cut here ]------------ WARNING: CPU: 0 PID: 13201 at fs/ext4/inode.c:3499 ext4_dirty_folio+0xfc/0x130 fs/ext4/inode.c:3499 Modules linked in: CPU: 0 PID: 13201 Comm: syz-executor.4 Not tainted 6.5.0-rc7-syzkaller-00004-gf7757129e3de #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 RIP: 0010:ext4_dirty_folio+0xfc/0x130 fs/ext4/inode.c:3499 Code: 31 ff 48 c1 ed 03 83 e5 01 89 ee e8 ce 04 57 ff 40 84 ed 0f 85 70 ff ff ff e8 90 09 57 ff 0f 0b e9 64 ff ff ff e8 84 09 57 ff <0f> 0b eb 86 48 89 ef e8 98 16 ab ff e9 39 ff ff ff e8 8e 16 ab ff RSP: 0018:ffffc90005a5fa30 EFLAGS: 00010246 RAX: 0000000000040000 RBX: ffffea00011a6600 RCX: ffffc90011926000 RDX: 0000000000040000 RSI: ffffffff822eff1c RDI: ffffea00011a6628 RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: ffff888075cc68d8 R13: dffffc0000000000 R14: ffffea00011a6600 R15: ffffea00011a6600 FS: 00007f21532066c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000002061d000 CR3: 000000002b35e000 CR4: 0000000000350ef0 Call Trace: folio_mark_dirty+0xc3/0x130 mm/page-writeback.c:2802 unpin_user_pages_dirty_lock+0x42e/0x4e0 mm/gup.c:395 process_vm_rw_single_vec mm/process_vm_access.c:126 [inline] process_vm_rw_core.constprop.0+0x640/0x9e0 mm/process_vm_access.c:215 process_vm_rw+0x2ff/0x360 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+0xe2/0x1b0 mm/process_vm_access.c:298 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f215247cae9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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:00007f21532060c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000137 RAX: ffffffffffffffda RBX: 00007f215259c1f0 RCX: 00007f215247cae9 RDX: 0000000000000010 RSI: 0000000020c22000 RDI: 00000000000006cd RBP: 00007f21524c847a R08: 0000000000000001 R09: 0000000000000000 R10: 0000000020c22fa0 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007f215259c1f0 R15: 00007fffdc858498