------------[ cut here ]------------
kernel BUG at fs/ext4/inode.c:2431!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 357 Comm: kworker/u4:4 Not tainted 5.15.94-syzkaller-03204-g5448b2fda85f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
Workqueue: writeback wb_workfn
 (flush-7:1)
RIP: 0010:mpage_map_one_extent fs/ext4/inode.c:2431 [inline]
RIP: 0010:mpage_map_and_submit_extent fs/ext4/inode.c:2472 [inline]
RIP: 0010:ext4_writepages+0x3f45/0x4010 fs/ext4/inode.c:2840
Code: 00 74 08 48 89 df e8 2a f8 c9 ff 48 8b 3b 48 8b 74 24 48 48 8b 54 24 28 44 89 e9 45 89 f8 e8 22 45 08 00 eb 60 e8 3b be 88 ff <0f> 0b e8 34 be 88 ff eb 3b e8 2d be 88 ff eb 7a e8 26 be 88 ff 31
RSP: 0018:ffffc90000c27000 EFLAGS: 00010293
RAX: ffffffff81e6b385 RBX: dffffc0000000000 RCX: ffff8881009b13c0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000c27410 R08: ffffffff81e68d4d R09: ffffed102443fbd4
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: ffffc90000c272e0 R14: 0000000000000000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020170000 CR3: 00000001228ae000 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:1622
 writeback_sb_inodes+0xb2e/0x1910 fs/fs-writeback.c:1905
 wb_writeback+0x3b9/0x9e0 fs/fs-writeback.c:2079
 wb_do_writeback fs/fs-writeback.c:2222 [inline]
 wb_workfn+0x3d9/0x1110 fs/fs-writeback.c:2263
 process_one_work+0x6bb/0xc10 kernel/workqueue.c:2313
 worker_thread+0xad5/0x12a0 kernel/workqueue.c:2460
 kthread+0x421/0x510 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 <unknown>:298
 </TASK>
Modules linked in:
---[ end trace 19a49287bd6b6328 ]---
RIP: 0010:mpage_map_one_extent fs/ext4/inode.c:2431 [inline]
RIP: 0010:mpage_map_and_submit_extent fs/ext4/inode.c:2472 [inline]
RIP: 0010:ext4_writepages+0x3f45/0x4010 fs/ext4/inode.c:2840
Code: 00 74 08 48 89 df e8 2a f8 c9 ff 48 8b 3b 48 8b 74 24 48 48 8b 54 24 28 44 89 e9 45 89 f8 e8 22 45 08 00 eb 60 e8 3b be 88 ff <0f> 0b e8 34 be 88 ff eb 3b e8 2d be 88 ff eb 7a e8 26 be 88 ff 31
RSP: 0018:ffffc90000c27000 EFLAGS: 00010293
RAX: ffffffff81e6b385 RBX: dffffc0000000000 RCX: ffff8881009b13c0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000c27410 R08: ffffffff81e68d4d R09: ffffed102443fbd4
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: ffffc90000c272e0 R14: 0000000000000000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fffea1b77c0 CR3: 000000011f2aa000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400