UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) ------------[ cut here ]------------ WARNING: CPU: 0 PID: 9890 at fs/udf/inode.c:639 udf_setsize+0xf9e/0x1380 fs/udf/inode.c:1236 Modules linked in: CPU: 0 PID: 9890 Comm: syz-executor.4 Not tainted 6.1.0-syzkaller-03225-g764822972d64 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 RIP: 0010:udf_extend_file fs/udf/inode.c:638 [inline] RIP: 0010:udf_setsize+0xf9e/0x1380 fs/udf/inode.c:1236 Code: 8e fe 45 85 f6 49 bf 00 00 00 00 00 fc ff df 74 0a e8 86 28 8e fe e9 34 ff ff ff e8 7c 28 8e fe e9 fa fd ff ff e8 72 28 8e fe <0f> 0b e9 61 f6 ff ff 89 d9 80 e1 07 38 c1 0f 8c 1a f1 ff ff 48 89 RSP: 0018:ffffc90014cbfb00 EFLAGS: 00010283 RAX: ffffffff82fd3d5e RBX: 0000000000000800 RCX: 0000000000040000 RDX: ffffc9000bf39000 RSI: 0000000000003cbb RDI: 0000000000003cbc RBP: ffffc90014cbfcd8 R08: ffffffff82fd33b8 R09: ffffed100e181cf4 R10: ffffed100e181cf4 R11: 1ffff1100e181cf3 R12: 1ffff92002997f70 R13: ffffc90014cbfc10 R14: 0000000000001000 R15: 0000000000000009 FS: 00007f6b17224700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7c6de15000 CR3: 0000000067081000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: udf_setattr+0x362/0x530 fs/udf/file.c:281 notify_change+0xe50/0x1100 fs/attr.c:482 do_truncate+0x200/0x2f0 fs/open.c:65 do_sys_ftruncate+0x2bc/0x360 fs/open.c:193 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f6b1648c0d9 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:00007f6b17224168 EFLAGS: 00000246 ORIG_RAX: 000000000000004d RAX: ffffffffffffffda RBX: 00007f6b165abf80 RCX: 00007f6b1648c0d9 RDX: 0000000000000000 RSI: 00000000000007fb RDI: 0000000000000004 RBP: 00007f6b164e7ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffdf308a45f R14: 00007f6b17224300 R15: 0000000000022000