loop0: detected capacity change from 0 to 2048 UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5951 at fs/udf/inode.c:666 udf_extend_file fs/udf/inode.c:666 [inline] WARNING: CPU: 0 PID: 5951 at fs/udf/inode.c:666 udf_setsize+0xa46/0x11a0 fs/udf/inode.c:1269 Modules linked in: CPU: 0 PID: 5951 Comm: syz-executor.0 Not tainted 6.8.0-rc3-syzkaller-00279-g4a7bbe7519b6 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 RIP: 0010:udf_extend_file fs/udf/inode.c:666 [inline] RIP: 0010:udf_setsize+0xa46/0x11a0 fs/udf/inode.c:1269 Code: 92 fe 85 db 0f 84 46 04 00 00 e8 15 75 92 fe be 01 00 00 00 4c 89 ff e8 88 d7 fe ff 45 31 e4 e9 ef f8 ff ff e8 fb 74 92 fe 90 <0f> 0b 90 e9 6d fc ff ff e8 ed 74 92 fe 49 8d bf d0 fe ff ff 44 29 RSP: 0018:ffffc9000363fb60 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000000400 RCX: ffffffff82f8ccf2 RDX: ffff88801ea7bb80 RSI: ffffffff82f8d085 RDI: 0000000000000006 RBP: ffffc9000363fd10 R08: 0000000000000006 R09: 0000000000000400 R10: 0000000000000200 R11: 0000000000000000 R12: 0000000000000200 R13: ffff8880692e4232 R14: 0000000000000000 R15: ffff8880692e4168 FS: 00007f52583366c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f5258315d58 CR3: 00000000231a6000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: udf_setattr+0x4a8/0x5e0 fs/udf/file.c:235 notify_change+0x742/0x11c0 fs/attr.c:499 do_truncate+0x15c/0x220 fs/open.c:66 do_sys_ftruncate+0x6a6/0x790 fs/open.c:194 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xd5/0x270 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x6f/0x77 RIP: 0033:0x7f525767cda9 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:00007f52583360c8 EFLAGS: 00000246 ORIG_RAX: 000000000000004d RAX: ffffffffffffffda RBX: 00007f52577abf80 RCX: 00007f525767cda9 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000004 RBP: 00007f52576c947a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f52577abf80 R15: 00007ffffe351d88