------------[ cut here ]------------ WARNING: CPU: 1 PID: 12555 at fs/udf/inode.c:673 udf_setsize+0x1092/0x1480 fs/udf/inode.c:1275 Modules linked in: CPU: 1 PID: 12555 Comm: syz-executor.5 Not tainted 6.4.0-syzkaller-01312-gb19edac5992d #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 RIP: 0010:udf_extend_file fs/udf/inode.c:672 [inline] RIP: 0010:udf_setsize+0x1092/0x1480 fs/udf/inode.c:1275 Code: 00 00 00 00 fc ff df 74 0a e8 9a 1f 8c fe e9 18 ff ff ff 4c 89 64 24 20 e8 8b 1f 8c fe 4c 89 fb e9 a7 fd ff ff e8 7e 1f 8c fe <0f> 0b e9 1b f6 ff ff 44 89 f9 80 e1 07 38 c1 0f 8c 2b f0 ff ff 4c RSP: 0018:ffffc9000315fae0 EFLAGS: 00010293 RAX: ffffffff82ff8a62 RBX: 0000000000000200 RCX: ffff888082e03b80 RDX: 0000000000000000 RSI: 0000000000001000 RDI: 0000000000000200 RBP: ffffc9000315fcd0 R08: ffffffff82ff8060 R09: ffffed10100fe358 R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff9200062bf70 R13: 0000000000000003 R14: 0000000000000009 R15: 0000000000001000 FS: 00007f2dfc5c4700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000040 CR3: 000000002d88b000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: udf_setattr+0x370/0x540 fs/udf/file.c:239 notify_change+0xc8b/0xf40 fs/attr.c:483 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: 0033:0x7f2dfb88c389 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f2dfc5c4168 EFLAGS: 00000246 ORIG_RAX: 000000000000004d RAX: ffffffffffffffda RBX: 00007f2dfb9abf80 RCX: 00007f2dfb88c389 RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000004 RBP: 00007f2dfb8d7493 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd71443eef R14: 00007f2dfc5c4300 R15: 0000000000022000