------------[ cut here ]------------ kernel BUG at fs/ext4/inode.c:2570! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 4077 Comm: kworker/u4:10 Not tainted 6.7.0-rc2-syzkaller-00206-gb46ae77f6787 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 Workqueue: writeback wb_workfn (flush-7:0) RIP: 0010:ext4_do_writepages+0x3c95/0x3ca0 fs/ext4/inode.c:2569 Code: ad 8d 4c 89 f2 e8 8b a6 78 02 e9 ab fb ff ff e8 51 a3 4a ff 90 0f 0b e8 49 a3 4a ff 90 0f 0b e8 11 10 d3 08 e8 3c a3 4a ff 90 <0f> 0b 66 0f 1f 84 00 00 00 00 00 66 0f 1f 00 55 41 57 41 56 41 54 RSP: 0018:ffffc9000e17ee60 EFLAGS: 00010293 RAX: ffffffff8243d644 RBX: 0000004000000000 RCX: ffff88802a1b8000 RDX: 0000000000000000 RSI: 0000004000000000 RDI: 0000000000000000 RBP: ffffc9000e17f1d0 R08: ffffffff82439ec0 R09: 1ffff1100efeba0a R10: dffffc0000000000 R11: ffffed100efeba0b R12: 0000000000000001 R13: 0000000004208060 R14: 0000006210000000 R15: ffff888077f5d2b0 FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555556eb5938 CR3: 000000000d730000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ext4_writepages+0x203/0x3e0 fs/ext4/inode.c:2774 do_writepages+0x3a6/0x670 mm/page-writeback.c:2553 __writeback_single_inode+0x155/0xfc0 fs/fs-writeback.c:1625 writeback_sb_inodes+0x8e3/0x1220 fs/fs-writeback.c:1916 wb_writeback+0x44d/0xc70 fs/fs-writeback.c:2092 wb_do_writeback fs/fs-writeback.c:2239 [inline] wb_workfn+0x400/0xfb0 fs/fs-writeback.c:2279 process_one_work kernel/workqueue.c:2630 [inline] process_scheduled_works+0x90f/0x1420 kernel/workqueue.c:2703 worker_thread+0xa5f/0x1000 kernel/workqueue.c:2784 kthread+0x2d3/0x370 kernel/kthread.c:388 ret_from_fork+0x48/0x80 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+0x3c95/0x3ca0 fs/ext4/inode.c:2569 Code: ad 8d 4c 89 f2 e8 8b a6 78 02 e9 ab fb ff ff e8 51 a3 4a ff 90 0f 0b e8 49 a3 4a ff 90 0f 0b e8 11 10 d3 08 e8 3c a3 4a ff 90 <0f> 0b 66 0f 1f 84 00 00 00 00 00 66 0f 1f 00 55 41 57 41 56 41 54 RSP: 0018:ffffc9000e17ee60 EFLAGS: 00010293 RAX: ffffffff8243d644 RBX: 0000004000000000 RCX: ffff88802a1b8000 RDX: 0000000000000000 RSI: 0000004000000000 RDI: 0000000000000000 RBP: ffffc9000e17f1d0 R08: ffffffff82439ec0 R09: 1ffff1100efeba0a R10: dffffc0000000000 R11: ffffed100efeba0b R12: 0000000000000001 R13: 0000000004208060 R14: 0000006210000000 R15: ffff888077f5d2b0 FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000556e53087a88 CR3: 000000000d730000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400