------------[ cut here ]------------ kernel BUG at fs/ext4/inode.c:2733! Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 303 Comm: kworker/u4:3 Not tainted 5.15.180-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 Workqueue: writeback wb_workfn (flush-7:0) pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : ext4_writepages+0x35d8/0x36fc fs/ext4/inode.c:2732 lr : ext4_writepages+0x35d8/0x36fc fs/ext4/inode.c:2732 sp : ffff80001fce6d80 x29: ffff80001fce7140 x28: ffff80001fce7040 x27: ffff80001fce7590 x26: ffff0000dbfc4250 x25: 0000000000000001 x24: ffff800011da7f40 x23: ffff0000da498000 x22: ffff80001fce6f60 x21: dfff800000000000 x20: ffff0000dbfc3c20 x19: 0000008410000000 x18: ffff80001fce7a94 x17: 0000000000000000 x16: ffff8000082ed688 x15: 0000000000000012 x14: 1ffff0000296e06c x13: dfff800000000000 x12: 0000000012953f70 x11: 0000000000000000 x10: 0000000000000000 x9 : ffff0000c798d1c0 x8 : ffff800008da8e40 x7 : ffff800008da59f8 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000001 x2 : 0000000000000000 x1 : 0000008000000000 x0 : 0000000000000000 Call trace: ext4_writepages+0x35d8/0x36fc fs/ext4/inode.c:2732 do_writepages+0x39c/0x5ec mm/page-writeback.c:2386 __writeback_single_inode+0x148/0x13a4 fs/fs-writeback.c:1647 writeback_sb_inodes+0x94c/0x1654 fs/fs-writeback.c:1930 wb_writeback+0x3fc/0xfc8 fs/fs-writeback.c:2104 wb_do_writeback fs/fs-writeback.c:2247 [inline] wb_workfn+0x3a4/0x1070 fs/fs-writeback.c:2288 process_one_work+0x790/0x11b8 kernel/workqueue.c:2310 worker_thread+0x910/0x1034 kernel/workqueue.c:2457 kthread+0x37c/0x45c kernel/kthread.c:334 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870 Code: 17fff31d 97dc7964 17fff364 97dc7962 (d4210000) ---[ end trace 281812958d6512c9 ]---