------------[ cut here ]------------ kernel BUG at fs/ext4/inode.c:2748! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 11 Comm: kworker/u4:1 Not tainted 6.1.98-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 Workqueue: writeback wb_workfn (flush-7:3) RIP: 0010:ext4_writepages+0x3dd9/0x3de0 fs/ext4/inode.c:2747 Code: c7 d0 09 2c 8d 4c 89 f2 e8 a4 a1 28 02 e9 b9 fb ff ff e8 8a 7c 4f ff 0f 0b e8 83 7c 4f ff 0f 0b e8 ac 1f 50 08 e8 77 7c 4f ff <0f> 0b 0f 1f 44 00 00 41 57 41 56 41 55 41 54 53 49 89 f7 49 89 fe RSP: 0018:ffffc90000106f40 EFLAGS: 00010293 RAX: ffffffff823b19d9 RBX: 0000008000000000 RCX: ffff88813feabb80 RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000 RBP: ffffc90000107330 R08: ffffffff823ae290 R09: ffffed100b77728d R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001 R13: ffffc90000107710 R14: 000000c410000000 R15: ffffc90000107200 FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020022030 CR3: 0000000018b65000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: do_writepages+0x3a2/0x670 mm/page-writeback.c:2491 __writeback_single_inode+0x15d/0x11e0 fs/fs-writeback.c:1612 writeback_sb_inodes+0xc2b/0x1b20 fs/fs-writeback.c:1903 wb_writeback+0x49d/0xe10 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x427/0x1020 fs/fs-writeback.c:2260 process_one_work+0x8a9/0x11d0 kernel/workqueue.c:2292 worker_thread+0xa47/0x1200 kernel/workqueue.c:2439 kthread+0x28d/0x320 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ext4_writepages+0x3dd9/0x3de0 fs/ext4/inode.c:2747 Code: c7 d0 09 2c 8d 4c 89 f2 e8 a4 a1 28 02 e9 b9 fb ff ff e8 8a 7c 4f ff 0f 0b e8 83 7c 4f ff 0f 0b e8 ac 1f 50 08 e8 77 7c 4f ff <0f> 0b 0f 1f 44 00 00 41 57 41 56 41 55 41 54 53 49 89 f7 49 89 fe RSP: 0018:ffffc90000106f40 EFLAGS: 00010293 RAX: ffffffff823b19d9 RBX: 0000008000000000 RCX: ffff88813feabb80 RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000 RBP: ffffc90000107330 R08: ffffffff823ae290 R09: ffffed100b77728d R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001 R13: ffffc90000107710 R14: 000000c410000000 R15: ffffc90000107200 FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000200be030 CR3: 0000000022219000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400