------------[ cut here ]------------
WARNING: CPU: 0 PID: 4496 at fs/ext4/inode.c:3618 ext4_set_page_dirty+0x2af/0x320 fs/ext4/inode.c:3618
Modules linked in:
CPU: 0 PID: 4496 Comm: syz.0.16 Not tainted 5.15.186-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:ext4_set_page_dirty+0x2af/0x320 fs/ext4/inode.c:3618
Code: ff ff e8 84 e0 6c ff 0f 0b eb cb e8 7b e0 6c ff 49 ff cf e9 9d fe ff ff e8 6e e0 6c ff 49 ff ce e9 f7 fe ff ff e8 61 e0 6c ff <0f> 0b e9 35 ff ff ff 4d 85 ed 75 1d e8 50 e0 6c ff eb 21 e8 49 e0
RSP: 0018:ffffc9000323f528 EFLAGS: 00010293
RAX: ffffffff820ae2af RBX: ffffea00016c2b40 RCX: ffff88807b608000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 1ffffd40002d8569 R08: dffffc0000000000 R09: fffff940002d8569
R10: fffff940002d8569 R11: 1ffffd40002d8568 R12: 0000000000000000
R13: dffffc0000000000 R14: 0000000000000000 R15: 00fff00000002016
FS:  0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3454979f98 CR3: 000000000be8e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 zap_pte_range mm/memory.c:1377 [inline]
 zap_pmd_range mm/memory.c:1505 [inline]
 zap_pud_range mm/memory.c:1534 [inline]
 zap_p4d_range mm/memory.c:1555 [inline]
 unmap_page_range+0xd85/0x2520 mm/memory.c:1576
 unmap_vmas+0x11b/0x230 mm/memory.c:1653
 exit_mmap+0x38f/0x5f0 mm/mmap.c:3212
 __mmput+0x115/0x3b0 kernel/fork.c:1127
 exit_mm+0x567/0x6c0 kernel/exit.c:550
 do_exit+0x5a1/0x20a0 kernel/exit.c:870
 do_group_exit+0x12e/0x300 kernel/exit.c:997
 get_signal+0x6ca/0x12c0 kernel/signal.c:2900
 arch_do_signal_or_restart+0xc1/0x1300 arch/x86/kernel/signal.c:867
 handle_signal_work kernel/entry/common.c:154 [inline]
 exit_to_user_mode_loop+0x9e/0x130 kernel/entry/common.c:178
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:214
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:307
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f345572b929
Code: Unable to access opcode bytes at RIP 0x7f345572b8ff.
RSP: 002b:00007f345497a0e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: 0000000000000001 RBX: 00007f3455953088 RCX: 00007f345572b929
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f345595308c
RBP: 00007f3455953080 R08: 0028971d72f89bce R09: 0000000000000000
R10: 0000000000000013 R11: 0000000000000246 R12: 00007f345595308c
R13: 0000000000000000 R14: 00007ffe1d8c8250 R15: 00007ffe1d8c8338
 </TASK>