------------[ cut here ]------------
kernel BUG at fs/ext4/inode.c:2421!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 8 Comm: kworker/u4:0 Not tainted 5.15.149-syzkaller-1069109-g5d96939590c0 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Workqueue: writeback wb_workfn (flush-7:0)
RIP: 0010:mpage_map_one_extent fs/ext4/inode.c:2421 [inline]
RIP: 0010:mpage_map_and_submit_extent fs/ext4/inode.c:2462 [inline]
RIP: 0010:ext4_writepages+0x3f4b/0x4000 fs/ext4/inode.c:2830
Code: 00 74 08 48 89 df e8 64 d5 c9 ff 48 8b 3b 48 8b 74 24 48 48 8b 54 24 28 44 89 e9 45 89 f8 e8 0c 2e 08 00 eb 58 e8 55 c6 87 ff <0f> 0b e8 4e c6 87 ff eb 3b e8 47 c6 87 ff eb 72 e8 40 c6 87 ff 31
RSP: 0018:ffffc90000087000 EFLAGS: 00010293
RAX: ffffffff81e85dab RBX: dffffc0000000000 RCX: ffff888100264f00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000087410 R08: ffffffff81e8376b R09: ffffed1021263310
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: ffffc900000872e0 R14: 0000000000000000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffc4fae6cb8 CR3: 000000011f3a6000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 do_writepages+0x40e/0x670 mm/page-writeback.c:2366
 __writeback_single_inode+0xdf/0xa70 fs/fs-writeback.c:1647
 writeback_sb_inodes+0xb2a/0x1920 fs/fs-writeback.c:1930
 wb_writeback+0x3b9/0x9e0 fs/fs-writeback.c:2104
 wb_do_writeback fs/fs-writeback.c:2247 [inline]
 wb_workfn+0x3d9/0x1110 fs/fs-writeback.c:2288
 process_one_work+0x6bb/0xc10 kernel/workqueue.c:2325
 worker_thread+0xad5/0x12a0 kernel/workqueue.c:2472
 kthread+0x421/0x510 kernel/kthread.c:337
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
 </TASK>
Modules linked in:
---[ end trace e71358e2320ee647 ]---
RIP: 0010:mpage_map_one_extent fs/ext4/inode.c:2421 [inline]
RIP: 0010:mpage_map_and_submit_extent fs/ext4/inode.c:2462 [inline]
RIP: 0010:ext4_writepages+0x3f4b/0x4000 fs/ext4/inode.c:2830
Code: 00 74 08 48 89 df e8 64 d5 c9 ff 48 8b 3b 48 8b 74 24 48 48 8b 54 24 28 44 89 e9 45 89 f8 e8 0c 2e 08 00 eb 58 e8 55 c6 87 ff <0f> 0b e8 4e c6 87 ff eb 3b e8 47 c6 87 ff eb 72 e8 40 c6 87 ff 31
RSP: 0018:ffffc90000087000 EFLAGS: 00010293
RAX: ffffffff81e85dab RBX: dffffc0000000000 RCX: ffff888100264f00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000087410 R08: ffffffff81e8376b R09: ffffed1021263310
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: ffffc900000872e0 R14: 0000000000000000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c001332000 CR3: 000000010c902000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400