Hello, syzbot found the following issue on: HEAD commit: 16931859a650 Merge tag 'nfsd-6.5-4' of git://git.kernel.or.. git tree: upstream console+strace: https://syzkaller.appspot.com/x/log.txt?x=13e2673da80000 kernel config: https://syzkaller.appspot.com/x/.config?x=aa796b6080b04102 dashboard link: https://syzkaller.appspot.com/bug?extid=6ec38f7a8db3b3fb1002 compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17cdbc65a80000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1262d8cfa80000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/eecc010800b4/disk-16931859.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/f45ae06377a7/vmlinux-16931859.xz kernel image: https://storage.googleapis.com/syzbot-assets/68891896edba/bzImage-16931859.xz mounted in repro: https://storage.googleapis.com/syzbot-assets/4b6ab78b223a/mount_0.gz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+6ec38f7a8db3b3fb1002@xxxxxxxxxxxxxxxxxxxxxxxxx ntfs: volume version 3.1. process 'syz-executor300' launched './file1' with NULL argv: empty string added ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5020 at fs/exec.c:933 do_open_execat+0x18f/0x3f0 fs/exec.c:933 Modules linked in: CPU: 0 PID: 5020 Comm: syz-executor300 Not tainted 6.5.0-rc6-syzkaller-00038-g16931859a650 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 RIP: 0010:do_open_execat+0x18f/0x3f0 fs/exec.c:933 Code: 8e 46 02 00 00 41 0f b7 1e bf 00 80 ff ff 66 81 e3 00 f0 89 de e8 b1 67 9b ff 66 81 fb 00 80 0f 84 8b 00 00 00 e8 51 6c 9b ff <0f> 0b 48 c7 c3 f3 ff ff ff e8 43 6c 9b ff 4c 89 e7 e8 4b c9 fe ff RSP: 0018:ffffc90003b0fd10 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff888028401dc0 RSI: ffffffff81ea9c4f RDI: 0000000000000003 RBP: 1ffff92000761fa2 R08: 0000000000000003 R09: 0000000000008000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff88802bf18780 R13: ffff888075d70000 R14: ffff8880742776a0 R15: 0000000000000001 FS: 000055555706b380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffe0f1d3ff8 CR3: 0000000015f97000 CR4: 0000000000350ef0 Call Trace: <TASK> bprm_execve fs/exec.c:1830 [inline] bprm_execve+0x49d/0x1a50 fs/exec.c:1811 do_execveat_common.isra.0+0x5d3/0x740 fs/exec.c:1963 do_execve fs/exec.c:2037 [inline] __do_sys_execve fs/exec.c:2113 [inline] __se_sys_execve fs/exec.c:2108 [inline] __x64_sys_execve+0x8c/0xb0 fs/exec.c:2108 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fee7ec27b39 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 17 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:00007ffe6c369d28 EFLAGS: 00000246 ORIG_RAX: 000000000000003b RAX: ffffffffffffffda RBX: 0031656c69662f2e RCX: 00007fee7ec27b39 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000480 RBP: 00007fee7ec7004b R08: 000000000001ee3b R09: 0000000000000000 R10: 00007ffe6c369bf0 R11: 0000000000000246 R12: 00007fee7ec70055 R13: 00007ffe6c369f08 R14: 0000000000000001 R15: 0000000000000001 </TASK> --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@xxxxxxxxxxxxxxxx. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. If the bug is already fixed, let syzbot know by replying with: #syz fix: exact-commit-title If you want syzbot to run the reproducer, reply with: #syz test: git://repo/address.git branch-or-commit-hash If you attach or paste a git patch, syzbot will apply it before testing. If you want to overwrite bug's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the bug is a duplicate of another bug, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup
