------------[ cut here ]------------ WARNING: CPU: 1 PID: 7474 at fs/udf/inode.c:667 udf_setsize+0x104b/0x1470 fs/udf/inode.c:1269 Modules linked in: CPU: 1 PID: 7474 Comm: syz-executor.0 Not tainted 6.6.0-rc4-syzkaller-00012-gce36c8b14987 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 RIP: 0010:udf_extend_file fs/udf/inode.c:666 [inline] RIP: 0010:udf_setsize+0x104b/0x1470 fs/udf/inode.c:1269 Code: 65 fe 31 ff 44 89 fe e8 a3 88 87 fe 45 85 ff 74 0a e8 e9 84 87 fe e9 21 ff ff ff e8 df 84 87 fe e9 e3 fd ff ff e8 d5 84 87 fe <0f> 0b e9 63 f6 ff ff 89 d9 80 e1 07 38 c1 0f 8c 71 f0 ff ff 48 89 RSP: 0018:ffffc900050afae0 EFLAGS: 00010293 RAX: ffffffff830686db RBX: 0000000000000400 RCX: ffff888035dabb80 RDX: 0000000000000000 RSI: 0000000000000400 RDI: 0000000000000200 RBP: ffffc900050afcd0 R08: ffffffff83067d37 R09: 1ffff11007cc10f0 R10: dffffc0000000000 R11: ffffed1007cc10f1 R12: 0000000000000200 R13: 1ffff92000a15f70 R14: 0000000000000009 R15: ffffc900050afba0 FS: 00007fd3e262e6c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020048300 CR3: 0000000079950000 CR4: 00000000003506e0 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:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fd3e187cae9 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:00007fd3e262e0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000004d RAX: ffffffffffffffda RBX: 00007fd3e199c050 RCX: 00007fd3e187cae9 RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000022 RBP: 00007fd3e18c847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fd3e199c050 R15: 00007ffc723ab2a8