------------[ cut here ]------------ kernel BUG at fs/ext4/inode.c:2760! Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 176 Comm: kworker/u4:3 Not tainted 6.1.140-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 Workqueue: writeback wb_workfn (flush-7:4) pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : ext4_writepages+0x2848/0x284c fs/ext4/inode.c:2759 lr : ext4_writepages+0x2848/0x284c fs/ext4/inode.c:2759 sp : ffff8000207b6f00 x29: ffff8000207b7220 x28: ffff0000e26c22f0 x27: dfff800000000000 x26: ffff0000e26c20c8 x25: ffff0000e26c20f0 x24: ffff7000040f6e08 x23: ffff0000e26c24a8 x22: ffff8000207b7610 x21: ffff0000e5522000 x20: 000000c410000000 x19: 0000000000000001 x18: ffff800011a7bd00 x17: 1fffe00033ee7176 x16: ffff8000082d076c x15: 0000000000000000 x14: 0000000000000012 x13: 1ffff00002a0e0b1 x12: 0000000000ff0100 x11: ff00800008d6e3d8 x10: 0000000000000000 x9 : ffff800008d6e3d8 x8 : ffff0000c9259bc0 x7 : ffff800008d6bd18 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000001 x2 : 0000000000000000 x1 : 0000008000000000 x0 : 0000000000000000 Call trace: ext4_writepages+0x2848/0x284c fs/ext4/inode.c:2759 do_writepages+0x2c0/0x4fc mm/page-writeback.c:2491 __writeback_single_inode+0x164/0x157c fs/fs-writeback.c:1612 writeback_sb_inodes+0x824/0x1404 fs/fs-writeback.c:1903 wb_writeback+0x400/0xfb0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x34c/0xd98 fs/fs-writeback.c:2260 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:864 Code: d4210000 97dccd45 d4210000 97dccd43 (d4210000) ---[ end trace 0000000000000000 ]---