------------[ cut here ]------------ kernel BUG at fs/ext4/inode.c:2435! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 43 Comm: kworker/u4:2 Not tainted 6.1.90-syzkaller-1151329-gd6a513a78492 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 Workqueue: writeback wb_workfn (flush-7:0) RIP: 0010:mpage_map_one_extent fs/ext4/inode.c:2435 [inline] RIP: 0010:mpage_map_and_submit_extent fs/ext4/inode.c:2476 [inline] RIP: 0010:ext4_writepages+0x3d6f/0x3fd0 fs/ext4/inode.c:2844 Code: e8 46 bb 80 ff be 00 10 00 00 48 c7 c7 30 28 ac 86 4c 89 f2 e8 02 1b ac 00 e9 0f fb ff ff e8 28 bb 80 ff 0f 0b e8 21 bb 80 ff <0f> 0b e8 fa e9 23 03 65 8b 05 13 2c 0d 7e 41 89 c7 4c 89 f8 48 c1 RSP: 0018:ffffc900002cf000 EFLAGS: 00010293 RAX: ffffffff81f4e53f RBX: dffffc0000000000 RCX: ffff888109c4e540 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc900002cf410 R08: ffffffff81f4c24f R09: ffffed102172f3b9 R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 R13: 0000000000000000 R14: ffff88810b979e00 R15: ffffc900002cf2e0 FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffd168f8dc8 CR3: 000000010f25e000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: do_writepages+0x385/0x620 mm/page-writeback.c:2472 __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:308 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:mpage_map_one_extent fs/ext4/inode.c:2435 [inline] RIP: 0010:mpage_map_and_submit_extent fs/ext4/inode.c:2476 [inline] RIP: 0010:ext4_writepages+0x3d6f/0x3fd0 fs/ext4/inode.c:2844 Code: e8 46 bb 80 ff be 00 10 00 00 48 c7 c7 30 28 ac 86 4c 89 f2 e8 02 1b ac 00 e9 0f fb ff ff e8 28 bb 80 ff 0f 0b e8 21 bb 80 ff <0f> 0b e8 fa e9 23 03 65 8b 05 13 2c 0d 7e 41 89 c7 4c 89 f8 48 c1 RSP: 0018:ffffc900002cf000 EFLAGS: 00010293 RAX: ffffffff81f4e53f RBX: dffffc0000000000 RCX: ffff888109c4e540 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc900002cf410 R08: ffffffff81f4c24f R09: ffffed102172f3b9 R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 R13: 0000000000000000 R14: ffff88810b979e00 R15: ffffc900002cf2e0 FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020042000 CR3: 000000010f25e000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400