------------[ cut here ]------------ WARNING: CPU: 1 PID: 12827 at fs/udf/inode.c:667 udf_setsize+0x1048/0x1470 fs/udf/inode.c:1269 Modules linked in: CPU: 1 PID: 12827 Comm: syz-executor.3 Not tainted 6.6.0-syzkaller-05843-g89ed67ef126c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 RIP: 0010:udf_extend_file fs/udf/inode.c:666 [inline] RIP: 0010:udf_setsize+0x1048/0x1470 fs/udf/inode.c:1269 Code: 63 fe 31 ff 44 89 fe e8 86 a4 85 fe 45 85 ff 74 0a e8 cc a0 85 fe e9 21 ff ff ff e8 c2 a0 85 fe e9 e6 fd ff ff e8 b8 a0 85 fe <0f> 0b e9 66 f6 ff ff 89 d9 80 e1 07 38 c1 0f 8c 74 f0 ff ff 48 89 RSP: 0018:ffffc90016fefae0 EFLAGS: 00010293 RAX: ffffffff830911d8 RBX: 0000000000001000 RCX: ffff888088cd3b80 RDX: 0000000000000000 RSI: 0000000000001000 RDI: 0000000000000200 RBP: ffffc90016fefcd0 R08: ffffffff83090837 R09: 1ffff11010e578f2 R10: dffffc0000000000 R11: ffffed1010e578f3 R12: 0000000000000200 R13: 1ffff92002dfdf70 R14: 0000000000000009 R15: ffffc90016fefba0 FS: 00007f04acc0b6c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000040 CR3: 000000003c7a9000 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:51 [inline] do_syscall_64+0x44/0x110 arch/x86/entry/common.c:82 entry_SYSCALL_64_after_hwframe+0x63/0x6b RIP: 0033:0x7f04abe7cae9 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:00007f04acc0b0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000004d RAX: ffffffffffffffda RBX: 00007f04abf9c050 RCX: 00007f04abe7cae9 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000004 RBP: 00007f04abec847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f04abf9c050 R15: 00007fffcd56cb48