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kernel BUG at fs/ext4/inode.c:2851!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 2311 Comm: kworker/u4:4 Not tainted 5.4.225-syzkaller-00007-g250ac66f1853 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
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 77 87 3f ff eb 8f e8
RSP: 0018:ffff8881b9057100 EFLAGS: 00010293
RAX: ffffffff81c0bf36 RBX: 0000010000000000 RCX: ffff8881e192de80
RDX: 0000000000000000 RSI: 0000010000000000 RDI: 0000000000000000
RBP: ffff8881b90574f0 R08: ffffffff81c08d1f R09: ffffed1034f99151
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881a7cc8b30
R13: dffffc0000000000 R14: 0000018410000000 R15: ffff8881b90573c0
FS:  0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055555677b728 CR3: 00000001b522f000 CR4: 00000000003406e0
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 f6e5ea37c4de01ad ]---
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 77 87 3f ff eb 8f e8
RSP: 0018:ffff8881b9057100 EFLAGS: 00010293
RAX: ffffffff81c0bf36 RBX: 0000010000000000 RCX: ffff8881e192de80
RDX: 0000000000000000 RSI: 0000010000000000 RDI: 0000000000000000
RBP: ffff8881b90574f0 R08: ffffffff81c08d1f R09: ffffed1034f99151
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881a7cc8b30
R13: dffffc0000000000 R14: 0000018410000000 R15: ffff8881b90573c0
FS:  0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020cab000 CR3: 00000001edcb5000 CR4: 00000000003406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400