------------[ cut here ]------------ kernel BUG at fs/ext4/inode.c:2569! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 30 Comm: kworker/u4:2 Not tainted 6.6.0-syzkaller-15156-g13d88ac54ddd #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 Workqueue: writeback wb_workfn (flush-7:2) RIP: 0010:ext4_do_writepages+0x2653/0x3340 fs/ext4/inode.c:2569 Code: fc ff df 44 89 64 24 18 48 c1 ea 03 80 3c 02 00 0f 84 09 ee ff ff 48 8b 7c 24 08 e8 f7 e4 a7 ff e9 fa ed ff ff e8 fd b3 51 ff <0f> 0b e8 f6 b3 51 ff 48 8b 4c 24 60 41 89 dd 48 b8 00 00 00 00 00 RSP: 0018:ffffc90000c7f3c0 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff888071ce12d0 RCX: ffffffff8235cadb RDX: ffff8880146c0100 RSI: ffffffff8235de93 RDI: 0000000000000007 RBP: ffffc90000c7f5c8 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000001 R13: ffff888028572630 R14: ffff888071ce1530 R15: 7fffffffffffffff FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffe8b9bfff8 CR3: 000000007f378000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ext4_writepages+0x30c/0x780 fs/ext4/inode.c:2774 do_writepages+0x1b4/0x690 mm/page-writeback.c:2553 __writeback_single_inode+0x158/0xe70 fs/fs-writeback.c:1625 writeback_sb_inodes+0x599/0x1070 fs/fs-writeback.c:1916 wb_writeback+0x2a5/0xa90 fs/fs-writeback.c:2092 wb_do_writeback fs/fs-writeback.c:2239 [inline] wb_workfn+0x29c/0xfd0 fs/fs-writeback.c:2279 process_one_work+0x884/0x15c0 kernel/workqueue.c:2630 process_scheduled_works kernel/workqueue.c:2703 [inline] worker_thread+0x8b9/0x1290 kernel/workqueue.c:2784 kthread+0x33c/0x440 kernel/kthread.c:388 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ext4_do_writepages+0x2653/0x3340 fs/ext4/inode.c:2569 Code: fc ff df 44 89 64 24 18 48 c1 ea 03 80 3c 02 00 0f 84 09 ee ff ff 48 8b 7c 24 08 e8 f7 e4 a7 ff e9 fa ed ff ff e8 fd b3 51 ff <0f> 0b e8 f6 b3 51 ff 48 8b 4c 24 60 41 89 dd 48 b8 00 00 00 00 00 RSP: 0018:ffffc90000c7f3c0 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff888071ce12d0 RCX: ffffffff8235cadb RDX: ffff8880146c0100 RSI: ffffffff8235de93 RDI: 0000000000000007 RBP: ffffc90000c7f5c8 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000001 R13: ffff888028572630 R14: ffff888071ce1530 R15: 7fffffffffffffff FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fbc6a24bd00 CR3: 0000000020106000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400