------------[ cut here ]------------ kernel BUG at fs/ext4/inode.c:2560! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 138 Comm: kworker/u4:5 Not tainted 6.6.0-rc6-syzkaller-00045-g7cf4bea77ab6 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 Workqueue: writeback wb_workfn (flush-7:0) RIP: 0010:ext4_do_writepages+0x3c84/0x3c90 fs/ext4/inode.c:2559 Code: c7 30 d5 4c 8d 4c 89 f2 e8 d9 ec 35 02 e9 ab fb ff ff e8 bf 37 4c ff 0f 0b e8 b8 37 4c ff 0f 0b e8 d1 f5 8a 08 e8 ac 37 4c ff <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 66 0f 1f 00 55 41 57 41 56 41 RSP: 0018:ffffc90002dbee60 EFLAGS: 00010293 RAX: ffffffff8241d604 RBX: 0000004000000000 RCX: ffff888016ba1dc0 RDX: 0000000000000000 RSI: 0000004000000000 RDI: 0000000000000000 RBP: ffffc90002dbf1d0 R08: ffffffff82419e90 R09: 1ffff1100e06e00a R10: dffffc0000000000 R11: ffffed100e06e00b R12: 0000000000000001 R13: 0000000004208060 R14: 0000004210000000 R15: ffff8880703702b0 FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f1233b25ff8 CR3: 0000000027c7e000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ext4_writepages+0x203/0x3e0 fs/ext4/inode.c:2764 do_writepages+0x3a6/0x670 mm/page-writeback.c:2553 __writeback_single_inode+0x155/0xfa0 fs/fs-writeback.c:1608 writeback_sb_inodes+0x8e3/0x1210 fs/fs-writeback.c:1899 wb_writeback+0x44d/0xc60 fs/fs-writeback.c:2075 wb_do_writeback fs/fs-writeback.c:2222 [inline] wb_workfn+0x400/0xff0 fs/fs-writeback.c:2262 process_one_work kernel/workqueue.c:2630 [inline] process_scheduled_works+0x90f/0x1400 kernel/workqueue.c:2703 worker_thread+0xa5f/0xff0 kernel/workqueue.c:2784 kthread+0x2d3/0x370 kernel/kthread.c:388 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ext4_do_writepages+0x3c84/0x3c90 fs/ext4/inode.c:2559 Code: c7 30 d5 4c 8d 4c 89 f2 e8 d9 ec 35 02 e9 ab fb ff ff e8 bf 37 4c ff 0f 0b e8 b8 37 4c ff 0f 0b e8 d1 f5 8a 08 e8 ac 37 4c ff <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 66 0f 1f 00 55 41 57 41 56 41 RSP: 0018:ffffc90002dbee60 EFLAGS: 00010293 RAX: ffffffff8241d604 RBX: 0000004000000000 RCX: ffff888016ba1dc0 RDX: 0000000000000000 RSI: 0000004000000000 RDI: 0000000000000000 RBP: ffffc90002dbf1d0 R08: ffffffff82419e90 R09: 1ffff1100e06e00a R10: dffffc0000000000 R11: ffffed100e06e00b R12: 0000000000000001 R13: 0000000004208060 R14: 0000004210000000 R15: ffff8880703702b0 FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f1233b25ff8 CR3: 000000001c86c000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400