------------[ cut here ]------------ kernel BUG at fs/ext4/inode.c:2781! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 101 Comm: kworker/u4:4 Not tainted 6.1.0-syzkaller-03225-g764822972d64 #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_do_writepages+0x29d6/0x36e0 fs/ext4/inode.c:2781 Code: 00 fc ff df 44 89 6c 24 24 48 c1 ea 03 80 3c 02 00 0f 84 91 e6 ff ff 48 8b 3c 24 e8 14 dc aa ff e9 83 e6 ff ff e8 4a e2 5e ff <0f> 0b e8 43 e2 5e ff 48 8b 84 24 c0 00 00 00 48 8d 78 40 48 89 f8 RSP: 0018:ffffc9000203f400 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 RDX: ffff888018cf60c0 RSI: ffffffff82210106 RDI: 0000000000000007 RBP: ffff88806cc71050 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: ffffc9000203f600 R13: 0000000000000001 R14: ffff88806cc712b0 R15: 00000000000000bc FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555556673858 CR3: 000000007a5b4000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ext4_writepages+0x27c/0x5a0 fs/ext4/inode.c:2965 do_writepages+0x1af/0x690 mm/page-writeback.c:2469 __writeback_single_inode+0x159/0x1440 fs/fs-writeback.c:1587 writeback_sb_inodes+0x54d/0xf90 fs/fs-writeback.c:1878 wb_writeback+0x2c5/0xd70 fs/fs-writeback.c:2052 wb_do_writeback fs/fs-writeback.c:2195 [inline] wb_workfn+0x2e0/0x12f0 fs/fs-writeback.c:2235 process_one_work+0x9bf/0x1710 kernel/workqueue.c:2289 worker_thread+0x669/0x1090 kernel/workqueue.c:2436 kthread+0x2e8/0x3a0 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_do_writepages+0x29d6/0x36e0 fs/ext4/inode.c:2781 Code: 00 fc ff df 44 89 6c 24 24 48 c1 ea 03 80 3c 02 00 0f 84 91 e6 ff ff 48 8b 3c 24 e8 14 dc aa ff e9 83 e6 ff ff e8 4a e2 5e ff <0f> 0b e8 43 e2 5e ff 48 8b 84 24 c0 00 00 00 48 8d 78 40 48 89 f8 RSP: 0018:ffffc9000203f400 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 RDX: ffff888018cf60c0 RSI: ffffffff82210106 RDI: 0000000000000007 RBP: ffff88806cc71050 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: ffffc9000203f600 R13: 0000000000000001 R14: ffff88806cc712b0 R15: 00000000000000bc FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000040 CR3: 000000007d0dc000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400