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kernel BUG at fs/ext4/inode.c:2837!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 934 Comm: kworker/u4:3 Not tainted 5.4.210-syzkaller-00019-g035e4939365c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022
Workqueue: writeback wb_workfn (flush-7:1)
RIP: 0010:ext4_writepages+0x356c/0x3590 fs/ext4/inode.c:2836
Code: 94 c3 40 0f 94 c6 31 ff e8 b1 27 a5 ff 84 db 75 2e e8 18 25 a5 ff 49 bf 00 00 00 00 00 fc ff df e9 3d cd ff ff e8 04 25 a5 ff <0f> 0b e8 fd 24 a5 ff 0f 0b e8 f6 24 a5 ff e8 31 ce 44 ff eb 9e e8
RSP: 0018:ffff8881aa49f5e0 EFLAGS: 00010293
RAX: ffffffff81bb73dc RBX: 0000010410000000 RCX: ffff8881e400de80
RDX: 0000000000000000 RSI: 0000010000000000 RDI: 0000000000000000
RBP: 0000010000000000 R08: ffffffff81bb46d4 R09: ffffed1035b9a70c
R10: ffffed1035b9a70c R11: 1ffff11035b9a70b R12: ffff8881adcd3908
R13: ffff8881af1a2000 R14: 0000000000000001 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f831a395a64 CR3: 00000001b0803000 CR4: 00000000003426f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 do_writepages+0xda/0x1f0 mm/page-writeback.c:2344
 __writeback_single_inode+0xc5/0x840 fs/fs-writeback.c:1467
 writeback_sb_inodes+0x9a9/0x19d0 fs/fs-writeback.c:1730
 wb_writeback+0x3c2/0xc20 fs/fs-writeback.c:1905
 wb_do_writeback+0x181/0xaf0 fs/fs-writeback.c:2050
 wb_workfn+0xf8/0x450 fs/fs-writeback.c:2091
 process_one_work+0x6ca/0xc40 kernel/workqueue.c:2287
 worker_thread+0xae0/0x1440 kernel/workqueue.c:2433
 kthread+0x2d8/0x360 kernel/kthread.c:288
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:352
Modules linked in:
---[ end trace a23aa6fd29413b40 ]---
RIP: 0010:ext4_writepages+0x356c/0x3590 fs/ext4/inode.c:2836
Code: 94 c3 40 0f 94 c6 31 ff e8 b1 27 a5 ff 84 db 75 2e e8 18 25 a5 ff 49 bf 00 00 00 00 00 fc ff df e9 3d cd ff ff e8 04 25 a5 ff <0f> 0b e8 fd 24 a5 ff 0f 0b e8 f6 24 a5 ff e8 31 ce 44 ff eb 9e e8
RSP: 0018:ffff8881aa49f5e0 EFLAGS: 00010293
RAX: ffffffff81bb73dc RBX: 0000010410000000 RCX: ffff8881e400de80
RDX: 0000000000000000 RSI: 0000010000000000 RDI: 0000000000000000
RBP: 0000010000000000 R08: ffffffff81bb46d4 R09: ffffed1035b9a70c
R10: ffffed1035b9a70c R11: 1ffff11035b9a70b R12: ffff8881adcd3908
R13: ffff8881af1a2000 R14: 0000000000000001 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020023030 CR3: 00000001de6e1000 CR4: 00000000003406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400