------------[ cut here ]------------ WARNING: CPU: 1 PID: 17978 at fs/udf/inode.c:667 udf_extend_file fs/udf/inode.c:666 [inline] WARNING: CPU: 1 PID: 17978 at fs/udf/inode.c:667 udf_setsize+0x1049/0x1470 fs/udf/inode.c:1269 Modules linked in: CPU: 1 PID: 17978 Comm: syz-executor.5 Not tainted 6.7.0-rc5-syzkaller-00030-geaadbbaaff74 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 RIP: 0010:udf_extend_file fs/udf/inode.c:666 [inline] RIP: 0010:udf_setsize+0x1049/0x1470 fs/udf/inode.c:1269 Code: fe 31 ff 44 89 fe e8 26 1c 85 fe 45 85 ff 74 0a e8 6c 18 85 fe e9 21 ff ff ff e8 62 18 85 fe e9 e6 fd ff ff e8 58 18 85 fe 90 <0f> 0b 90 e9 64 f6 ff ff 89 d9 80 e1 07 38 c1 0f 8c 72 f0 ff ff 48 RSP: 0018:ffffc90003b1fae0 EFLAGS: 00010283 RAX: ffffffff830964e8 RBX: 0000000000001000 RCX: 0000000000040000 RDX: ffffc9000d019000 RSI: 00000000000008df RDI: 00000000000008e0 RBP: ffffc90003b1fcd0 R08: ffffffff83095b47 R09: 1ffff110073121bd R10: dffffc0000000000 R11: ffffed10073121be R12: 0000000000000200 R13: 1ffff92000763f70 R14: 0000000000000009 R15: ffffc90003b1fba0 FS: 00007f27012086c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000200005c0 CR3: 0000000021070000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: udf_setattr+0x370/0x540 fs/udf/file.c:235 notify_change+0xb99/0xe60 fs/attr.c:499 do_truncate+0x220/0x300 fs/open.c:66 do_sys_ftruncate+0x2f3/0x390 fs/open.c:194 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x45/0x110 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b RIP: 0033:0x7f270047cba9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f27012080c8 EFLAGS: 00000246 ORIG_RAX: 000000000000004d RAX: ffffffffffffffda RBX: 00007f270059c050 RCX: 00007f270047cba9 RDX: 0000000000000000 RSI: 000000000000000e RDI: 0000000000000005 RBP: 00007f27004c847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007f270059c050 R15: 00007ffca1f27558