------------[ cut here ]------------ kernel BUG at fs/ext4/inode.c:2563! invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI CPU: 1 PID: 10 Comm: kworker/u8:0 Not tainted 6.9.0-rc4-syzkaller-00329-g48cf398f15fc #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Workqueue: writeback wb_workfn (flush-7:4) RIP: 0010:ext4_do_writepages+0x2572/0x3250 fs/ext4/inode.c:2563 Code: 48 c1 ea 03 80 3c 02 00 0f 85 44 0c 00 00 48 c7 44 24 28 8c d7 03 00 48 8b 44 24 08 48 8b 18 e9 c3 dc ff ff e8 7f 8e 47 ff 90 <0f> 0b e8 77 8e 47 ff 48 8b 4c 24 70 41 89 dc 48 b8 00 00 00 00 00 RSP: 0018:ffffc900000f72c0 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff8880786a5050 RCX: ffffffff82461f8a RDX: ffff888016ee1e00 RSI: ffffffff824633d1 RDI: 0000000000000007 RBP: ffffc900000f74d0 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000002 R12: 0000000000000001 R13: ffff888061002638 R14: 0000000000000001 R15: 0000000004208060 FS: 0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555947aa938 CR3: 0000000063662000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ext4_writepages+0x303/0x730 fs/ext4/inode.c:2768 do_writepages+0x1a3/0x7f0 mm/page-writeback.c:2612 __writeback_single_inode+0x163/0xf90 fs/fs-writeback.c:1650 writeback_sb_inodes+0x5a6/0x10d0 fs/fs-writeback.c:1941 wb_writeback+0x28a/0xb30 fs/fs-writeback.c:2117 wb_do_writeback fs/fs-writeback.c:2264 [inline] wb_workfn+0x28d/0xf40 fs/fs-writeback.c:2304 process_one_work+0x9a9/0x1ac0 kernel/workqueue.c:3254 process_scheduled_works kernel/workqueue.c:3335 [inline] worker_thread+0x6c8/0xf70 kernel/workqueue.c:3416 kthread+0x2c1/0x3a0 kernel/kthread.c:388 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ext4_do_writepages+0x2572/0x3250 fs/ext4/inode.c:2563 Code: 48 c1 ea 03 80 3c 02 00 0f 85 44 0c 00 00 48 c7 44 24 28 8c d7 03 00 48 8b 44 24 08 48 8b 18 e9 c3 dc ff ff e8 7f 8e 47 ff 90 <0f> 0b e8 77 8e 47 ff 48 8b 4c 24 70 41 89 dc 48 b8 00 00 00 00 00 RSP: 0018:ffffc900000f72c0 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff8880786a5050 RCX: ffffffff82461f8a RDX: ffff888016ee1e00 RSI: ffffffff824633d1 RDI: 0000000000000007 RBP: ffffc900000f74d0 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000002 R12: 0000000000000001 R13: ffff888061002638 R14: 0000000000000001 R15: 0000000004208060 FS: 0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b3373c000 CR3: 0000000041a38000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400