------------[ cut here ]------------ kernel BUG at fs/ext4/inode.c:2760! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 8566 Comm: kworker/u4:8 Not tainted 6.1.112-syzkaller-00017-gdefe0024cfb0 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 Workqueue: writeback wb_workfn (flush-7:7) RIP: 0010:ext4_writepages+0x3fab/0x3fd0 fs/ext4/inode.c:2759 Code: 35 80 ff 31 ff 89 de e8 b3 35 80 ff 45 84 f6 75 2a e8 19 33 80 ff 49 bc 00 00 00 00 00 fc ff df e9 6e f6 ff ff e8 05 33 80 ff <0f> 0b e8 fe 32 80 ff e8 a5 16 0b ff e9 46 c3 ff ff e8 ef 32 80 ff RSP: 0018:ffffc9000b13f000 EFLAGS: 00010293 RAX: ffffffff81f5710b RBX: 0000008000000000 RCX: ffff88811e950000 RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000 RBP: ffffc9000b13f410 R08: ffffffff81f5386b R09: ffffed1021754b7b R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888116d14000 R13: ffff88810baa5d10 R14: 0000008410000000 R15: ffffc9000b13f2e0 FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000002008c000 CR3: 000000011dce4000 CR4: 00000000003506b0 Call Trace: do_writepages+0x385/0x620 mm/page-writeback.c:2494 __writeback_single_inode+0xdc/0xb80 fs/fs-writeback.c:1612 writeback_sb_inodes+0xb32/0x1910 fs/fs-writeback.c:1903 wb_writeback+0x3b9/0x9f0 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x399/0x1030 fs/fs-writeback.c:2260 process_one_work+0x73d/0xcb0 kernel/workqueue.c:2299 worker_thread+0xa60/0x1260 kernel/workqueue.c:2446 kthread+0x26d/0x300 kernel/kthread.c:386 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ext4_writepages+0x3fab/0x3fd0 fs/ext4/inode.c:2759 Code: 35 80 ff 31 ff 89 de e8 b3 35 80 ff 45 84 f6 75 2a e8 19 33 80 ff 49 bc 00 00 00 00 00 fc ff df e9 6e f6 ff ff e8 05 33 80 ff <0f> 0b e8 fe 32 80 ff e8 a5 16 0b ff e9 46 c3 ff ff e8 ef 32 80 ff RSP: 0018:ffffc9000b13f000 EFLAGS: 00010293 RAX: ffffffff81f5710b RBX: 0000008000000000 RCX: ffff88811e950000 RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000 RBP: ffffc9000b13f410 R08: ffffffff81f5386b R09: ffffed1021754b7b R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888116d14000 R13: ffff88810baa5d10 R14: 0000008410000000 R15: ffffc9000b13f2e0 FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd077d09178 CR3: 000000010978e000 CR4: 00000000003506a0