------------[ cut here ]------------
WARNING: CPU: 0 PID: 6309 at fs/ext4/inode.c:3618 ext4_set_page_dirty+0x2af/0x320 fs/ext4/inode.c:3618
Modules linked in:
CPU: 0 PID: 6309 Comm: syz.1.400 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
RIP: 0010:ext4_set_page_dirty+0x2af/0x320 fs/ext4/inode.c:3618
Code: ff ff e8 24 ed 6d ff 0f 0b eb cb e8 1b ed 6d ff 49 ff cf e9 9d fe ff ff e8 0e ed 6d ff 49 ff ce e9 f7 fe ff ff e8 01 ed 6d ff <0f> 0b e9 35 ff ff ff 4d 85 ed 75 1d e8 f0 ec 6d ff eb 21 e8 e9 ec
RSP: 0018:ffffc9000152f868 EFLAGS: 00010293
RAX: ffffffff8209de1f RBX: ffffea00013f8c80 RCX: ffff88802a488000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 1ffffd400027f191 R08: dffffc0000000000 R09: fffff9400027f191
R10: fffff9400027f191 R11: 1ffffd400027f190 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: 00007f52d427c470 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:3216
 __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
 __do_sys_exit_group kernel/exit.c:1008 [inline]
 __se_sys_exit_group kernel/exit.c:1006 [inline]
 __x64_sys_exit_group+0x3b/0x40 kernel/exit.c:1006
 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: 0033:0x7f52d421eec9
Code: Unable to access opcode bytes at RIP 0x7f52d421ee9f.
RSP: 002b:00007f52d2464f98 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f52d427c470 RCX: 00007f52d421eec9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: 0000000000000009 R08: 00007f52d2462d37 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007f52d4476128 R14: 00007ffc1fe31210 R15: 00007ffc1fe312f8
 </TASK>