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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-00027-gac6c87b5296b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
Workqueue: writeback wb_workfn (flush-7:5)
RIP: 0010:ext4_writepages+0x3a2b/0x3a50 fs/ext4/inode.c:2850
Code: 94 c3 40 0f 94 c6 31 ff e8 d2 8d a0 ff 84 db 75 2e e8 39 8b a0 ff 48 bb 00 00 00 00 00 fc ff df e9 a9 f6 ff ff e8 25 8b a0 ff <0f> 0b e8 1e 8b a0 ff 0f 0b e8 17 8b a0 ff e8 a2 53 3b ff eb a3 e8
RSP: 0018:ffff8881e4ff7140 EFLAGS: 00010293
RAX: ffffffff81c4f3eb RBX: 0000010000000000 RCX: ffff8881ec904ec0
RDX: 0000000000000000 RSI: 0000010000000000 RDI: 0000000000000000
RBP: ffff8881e4ff7510 R08: ffffffff81c4c2b7 R09: ffffed10351849f4
R10: ffffed10351849f4 R11: 1ffff110351849f3 R12: ffff8881a8c25048
R13: ffff8881e4ff7870 R14: 0000010410000000 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000200dd030 CR3: 00000001a8bb1000 CR4: 00000000003406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 do_writepages+0x13a/0x280 mm/page-writeback.c:2344
 __writeback_single_inode+0xc5/0x840 fs/fs-writeback.c:1467
 writeback_sb_inodes+0xa04/0x1890 fs/fs-writeback.c:1730
 wb_writeback+0x429/0xcb0 fs/fs-writeback.c:1905
 wb_do_writeback+0x1f2/0xbd0 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:354
Modules linked in:
---[ end trace 702fe69c6e5586a4 ]---
RIP: 0010:ext4_writepages+0x3a2b/0x3a50 fs/ext4/inode.c:2850
Code: 94 c3 40 0f 94 c6 31 ff e8 d2 8d a0 ff 84 db 75 2e e8 39 8b a0 ff 48 bb 00 00 00 00 00 fc ff df e9 a9 f6 ff ff e8 25 8b a0 ff <0f> 0b e8 1e 8b a0 ff 0f 0b e8 17 8b a0 ff e8 a2 53 3b ff eb a3 e8
RSP: 0018:ffff8881e4ff7140 EFLAGS: 00010293
RAX: ffffffff81c4f3eb RBX: 0000010000000000 RCX: ffff8881ec904ec0
RDX: 0000000000000000 RSI: 0000010000000000 RDI: 0000000000000000
RBP: ffff8881e4ff7510 R08: ffffffff81c4c2b7 R09: ffffed10351849f4
R10: ffffed10351849f4 R11: 1ffff110351849f3 R12: ffff8881a8c25048
R13: ffff8881e4ff7870 R14: 0000010410000000 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa7c980c718 CR3: 00000001ed63f000 CR4: 00000000003406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400