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kernel BUG at fs/ext4/inode.c:2854!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 764 Comm: kworker/u4:5 Not tainted 5.4.249-syzkaller-00007-gba2c000ce64e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
Workqueue: writeback wb_workfn (flush-7:4)
RIP: 0010:ext4_writepages+0x3c96/0x3cc0 fs/ext4/inode.c:2853
Code: e2 9b ff 31 ff 89 de e8 b8 e2 9b ff 45 84 f6 75 2e e8 9e e0 9b ff 49 bf 00 00 00 00 00 fc ff df e9 1d f9 ff ff e8 8a e0 9b ff <0f> 0b e8 83 e0 9b ff 0f 0b e8 7c e0 9b ff e8 a7 fe 37 ff eb 99 e8
RSP: 0018:ffff8881e5b8f0e0 EFLAGS: 00010293
RAX: ffffffff81c85586 RBX: 0000010000000000 RCX: ffff8881e66c1f80
RDX: 0000000000000000 RSI: 0000010000000000 RDI: 0000000000000000
RBP: ffff8881e5b8f4d0 R08: ffffffff81c821d6 R09: ffffed1034ad3be9
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881a569dff0
R13: 0000000000000001 R14: 0000018410000000 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32625000 CR3: 00000001a76e8000 CR4: 00000000003406a0
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+0x9e0/0x1800 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+0x3b6/0x1230 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 5ec05a468722edde ]---
RIP: 0010:ext4_writepages+0x3c96/0x3cc0 fs/ext4/inode.c:2853
Code: e2 9b ff 31 ff 89 de e8 b8 e2 9b ff 45 84 f6 75 2e e8 9e e0 9b ff 49 bf 00 00 00 00 00 fc ff df e9 1d f9 ff ff e8 8a e0 9b ff <0f> 0b e8 83 e0 9b ff 0f 0b e8 7c e0 9b ff e8 a7 fe 37 ff eb 99 e8
RSP: 0018:ffff8881e5b8f0e0 EFLAGS: 00010293
RAX: ffffffff81c85586 RBX: 0000010000000000 RCX: ffff8881e66c1f80
RDX: 0000000000000000 RSI: 0000010000000000 RDI: 0000000000000000
RBP: ffff8881e5b8f4d0 R08: ffffffff81c821d6 R09: ffffed1034ad3be9
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881a569dff0
R13: 0000000000000001 R14: 0000018410000000 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007efd597bbd58 CR3: 00000001a76e8000 CR4: 00000000003406a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400