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kernel BUG at fs/ext4/inode.c:2844!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 336 Comm: kworker/u4:2 Not tainted 5.4.290-syzkaller-00001-g986c38813dff #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Workqueue: writeback wb_workfn (flush-7:4)
RIP: 0010:ext4_writepages+0x3c96/0x3cc0 fs/ext4/inode.c:2843
Code: 82 9a ff 31 ff 89 de e8 48 82 9a ff 45 84 f6 75 2e e8 fe 7f 9a ff 49 bf 00 00 00 00 00 fc ff df e9 1d f9 ff ff e8 ea 7f 9a ff <0f> 0b e8 e3 7f 9a ff 0f 0b e8 dc 7f 9a ff e8 c7 39 35 ff eb 99 e8
RSP: 0018:ffff8881f2ecf0c0 EFLAGS: 00010293
RAX: ffffffff81cb1ae6 RBX: 0000010000000000 RCX: ffff8881f2bdee40
RDX: 0000000000000000 RSI: 0000010000000000 RDI: 0000000000000000
RBP: ffff8881f2ecf4b0 R08: ffffffff81cae736 R09: ffffed103afebd33
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881d7f5ea40
R13: 0000000000000001 R14: 0000010410000000 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffd04e4ae78 CR3: 00000001eec1b000 CR4: 00000000003406a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 do_writepages+0x12b/0x270 mm/page-writeback.c:2366
 __writeback_single_inode+0xdb/0xc80 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+0x781/0xd50 kernel/workqueue.c:2290
 worker_thread+0xa27/0x1360 kernel/workqueue.c:2436
 kthread+0x321/0x3a0 kernel/kthread.c:288
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:354
Modules linked in:
---[ end trace cd838f4cdb874c5c ]---
RIP: 0010:ext4_writepages+0x3c96/0x3cc0 fs/ext4/inode.c:2843
Code: 82 9a ff 31 ff 89 de e8 48 82 9a ff 45 84 f6 75 2e e8 fe 7f 9a ff 49 bf 00 00 00 00 00 fc ff df e9 1d f9 ff ff e8 ea 7f 9a ff <0f> 0b e8 e3 7f 9a ff 0f 0b e8 dc 7f 9a ff e8 c7 39 35 ff eb 99 e8
RSP: 0018:ffff8881f2ecf0c0 EFLAGS: 00010293
RAX: ffffffff81cb1ae6 RBX: 0000010000000000 RCX: ffff8881f2bdee40
RDX: 0000000000000000 RSI: 0000010000000000 RDI: 0000000000000000
RBP: ffff8881f2ecf4b0 R08: ffffffff81cae736 R09: ffffed103afebd33
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881d7f5ea40
R13: 0000000000000001 R14: 0000010410000000 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005555897a0738 CR3: 00000001ee3c8000 CR4: 00000000003406a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400