------------[ cut here ]------------ kernel BUG at fs/ext4/inode.c:2748! Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP Modules linked in: CPU: 0 PID: 4324 Comm: kworker/u4:6 Not tainted 6.1.87-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Workqueue: writeback wb_workfn (flush-7:3) pstate: 80401005 (Nzcv daif +PAN -UAO -TCO -DIT +SSBS BTYPE=--) pc : ext4_writepages+0x32b0/0x32b4 fs/ext4/inode.c:2747 lr : ext4_writepages+0x32b0/0x32b4 fs/ext4/inode.c:2747 sp : ffff80001e536d60 x29: ffff80001e537120 x28: ffff800008e5e578 x27: dfff800000000000 x26: ffff0000e00de700 x25: ffff80001e537590 x24: ffff80001e537020 x23: ffff0000db704000 x22: ffff80001e536f40 x21: ffff0000e00de928 x20: 000000c410000000 x19: 0000000000000001 x18: ffff80001e537a94 x17: ffff80001584d000 x16: ffff8000083043c4 x15: 0000000000000000 x14: 1ffff00002b0a0b0 x13: dfff800000000000 x12: 00000000abffa5dd x11: 0000000000ff0100 x10: 0000000000000000 x9 : ffff800008e61828 x8 : ffff0000d8fab780 x7 : ffff800008e5e704 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000001 x2 : 0000000000000000 x1 : 0000008000000000 x0 : 0000000000000000 Call trace: ext4_writepages+0x32b0/0x32b4 fs/ext4/inode.c:2747 do_writepages+0x2e8/0x56c mm/page-writeback.c:2469 __writeback_single_inode+0x16c/0x1770 fs/fs-writeback.c:1612 writeback_sb_inodes+0x978/0x1718 fs/fs-writeback.c:1903 wb_writeback+0x414/0x1130 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x3a8/0x1034 fs/fs-writeback.c:2260 process_one_work+0x7ac/0x1404 kernel/workqueue.c:2292 worker_thread+0x8e4/0xfec kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:864 Code: d4210000 97da659e d4210000 97da659c (d4210000) ---[ end trace 0000000000000000 ]---