------------[ cut here ]------------ kernel BUG at fs/ext4/inode.c:2739! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 3691 Comm: kworker/u4:5 Not tainted 6.1.0-rc7-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Workqueue: writeback wb_workfn (flush-7:0) RIP: 0010:ext4_writepages+0x3bd4/0x3be0 fs/ext4/inode.c:2738 Code: c7 f0 7f 2b 8d 4c 89 fa e8 29 4e 32 02 e9 a6 fb ff ff e8 4f ee 52 ff 0f 0b e8 48 ee 52 ff 0f 0b e8 c1 8a 5a 08 e8 3c ee 52 ff <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 41 57 41 56 41 55 41 54 53 49 RSP: 0000:ffffc9000469ef40 EFLAGS: 00010293 RAX: ffffffff8237a9b4 RBX: 0000008000000000 RCX: ffff88802727d7c0 RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000 RBP: ffffc9000469f330 R08: ffffffff823773b2 R09: ffffed1006286a13 R10: ffffed1006286a13 R11: 1ffff11006286a12 R12: ffff888031435318 R13: 0000000000000001 R14: 0000008410000000 R15: ffff8880314352f0 FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f69735ab1a2 CR3: 00000000477bb000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: do_writepages+0x3c3/0x680 mm/page-writeback.c:2469 __writeback_single_inode+0xd1/0x670 fs/fs-writeback.c:1587 writeback_sb_inodes+0xb3b/0x18f0 fs/fs-writeback.c:1878 wb_writeback+0x41f/0x7b0 fs/fs-writeback.c:2052 wb_do_writeback fs/fs-writeback.c:2195 [inline] wb_workfn+0x3cb/0xef0 fs/fs-writeback.c:2235 process_one_work+0x877/0xdb0 kernel/workqueue.c:2289 worker_thread+0xb14/0x1330 kernel/workqueue.c:2436 kthread+0x266/0x300 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ext4_writepages+0x3bd4/0x3be0 fs/ext4/inode.c:2738 Code: c7 f0 7f 2b 8d 4c 89 fa e8 29 4e 32 02 e9 a6 fb ff ff e8 4f ee 52 ff 0f 0b e8 48 ee 52 ff 0f 0b e8 c1 8a 5a 08 e8 3c ee 52 ff <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 41 57 41 56 41 55 41 54 53 49 RSP: 0000:ffffc9000469ef40 EFLAGS: 00010293 RAX: ffffffff8237a9b4 RBX: 0000008000000000 RCX: ffff88802727d7c0 RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000 RBP: ffffc9000469f330 R08: ffffffff823773b2 R09: ffffed1006286a13 R10: ffffed1006286a13 R11: 1ffff11006286a12 R12: ffff888031435318 R13: 0000000000000001 R14: 0000008410000000 R15: ffff8880314352f0 FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffec0501e38 CR3: 000000007eabf000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400