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kernel BUG at fs/ext4/inode.c:2851!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 172 Comm: kworker/u4:2 Not tainted 5.4.225-syzkaller-00005-g66c3e3ab77a2 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023
Workqueue: writeback wb_workfn (flush-7:0)
RIP: 0010:ext4_writepages+0x3a16/0x3a40 fs/ext4/inode.c:2850
Code: 7a a2 ff 31 ff 89 de e8 f8 79 a2 ff 45 84 f6 75 2e e8 de 77 a2 ff 49 bd 00 00 00 00 00 fc ff df e9 6e f9 ff ff e8 ca 77 a2 ff <0f> 0b e8 c3 77 a2 ff 0f 0b e8 bc 77 a2 ff e8 f7 87 3f ff eb 8f e8
RSP: 0018:ffff8881e4fcf100 EFLAGS: 00010293
RAX: ffffffff81c0beb6 RBX: 0000010000000000 RCX: ffff8881ec3a8000
RDX: 0000000000000000 RSI: 0000010000000000 RDI: 0000000000000000
RBP: ffff8881e4fcf4f0 R08: ffffffff81c08c9f R09: ffffed103b61970c
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881db0cb908
R13: dffffc0000000000 R14: 0000010410000000 R15: ffff8881e4fcf3c0
FS:  0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3e3db03718 CR3: 00000001ed5a6000 CR4: 00000000003406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 do_writepages+0x12b/0x270 mm/page-writeback.c:2344
 __writeback_single_inode+0xd9/0xcc0 fs/fs-writeback.c:1467
 writeback_sb_inodes+0xa2c/0x1990 fs/fs-writeback.c:1730
 wb_writeback+0x403/0xd70 fs/fs-writeback.c:1905
 wb_do_writeback fs/fs-writeback.c:2050 [inline]
 wb_workfn+0x3a9/0x10c0 fs/fs-writeback.c:2091
 process_one_work+0x765/0xd20 kernel/workqueue.c:2287
 worker_thread+0xaef/0x1470 kernel/workqueue.c:2433
 kthread+0x2da/0x360 kernel/kthread.c:288
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:354
Modules linked in:
---[ end trace db51c5e6e2777e6f ]---
RIP: 0010:ext4_writepages+0x3a16/0x3a40 fs/ext4/inode.c:2850
Code: 7a a2 ff 31 ff 89 de e8 f8 79 a2 ff 45 84 f6 75 2e e8 de 77 a2 ff 49 bd 00 00 00 00 00 fc ff df e9 6e f9 ff ff e8 ca 77 a2 ff <0f> 0b e8 c3 77 a2 ff 0f 0b e8 bc 77 a2 ff e8 f7 87 3f ff eb 8f e8
RSP: 0018:ffff8881e4fcf100 EFLAGS: 00010293
RAX: ffffffff81c0beb6 RBX: 0000010000000000 RCX: ffff8881ec3a8000
RDX: 0000000000000000 RSI: 0000010000000000 RDI: 0000000000000000
RBP: ffff8881e4fcf4f0 R08: ffffffff81c08c9f R09: ffffed103b61970c
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881db0cb908
R13: dffffc0000000000 R14: 0000010410000000 R15: ffff8881e4fcf3c0
FS:  0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3e3db03718 CR3: 00000001ed5a6000 CR4: 00000000003406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400