Hello, syzbot found the following issue on: HEAD commit: 155a3c003e55 Merge tag 'for-6.16/dm-fixes-2' of git://git... git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=1413e58c580000 kernel config: https://syzkaller.appspot.com/x/.config?x=8d5ef2da1e1c848 dashboard link: https://syzkaller.appspot.com/bug?extid=cc2032ba16cc2018ca25 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=1213e58c580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=13a567d4580000 Downloadable assets: disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/d900f083ada3/non_bootable_disk-155a3c00.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/725a320dfe66/vmlinux-155a3c00.xz kernel image: https://storage.googleapis.com/syzbot-assets/9f06899bb6f3/bzImage-155a3c00.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+cc2032ba16cc2018ca25@xxxxxxxxxxxxxxxxxxxxxxxxx WARNING: CPU: 1 PID: 6108 at arch/x86/kvm/x86.c:11645 kvm_arch_vcpu_ioctl_run+0x13bc/0x18c0 arch/x86/kvm/x86.c:11645 Modules linked in: CPU: 1 UID: 0 PID: 6108 Comm: syz.0.16 Not tainted 6.16.0-rc6-syzkaller-00002-g155a3c003e55 #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:kvm_arch_vcpu_ioctl_run+0x13bc/0x18c0 arch/x86/kvm/x86.c:11645 Code: 0a 00 00 00 00 00 00 e8 25 88 be 1e 31 ff 89 c5 89 c6 e8 e7 68 7a 00 85 ed 0f 8f f4 f0 ff ff e9 f5 f1 ff ff e8 95 6d 7a 00 90 <0f> 0b 90 e9 9c f0 ff ff e8 87 6d 7a 00 90 0f 0b 90 e9 d3 f0 ff ff RSP: 0018:ffffc9000379fc38 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff888044358000 RCX: ffffffff81417587 RDX: ffff88802327a440 RSI: ffffffff814184eb RDI: 0000000000000007 RBP: 0000000000000001 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88804ff02000 R13: ffff8880443580d8 R14: 0000000000000000 R15: ffff88804ff02120 FS: 000055555f07c500(0000) GS:ffff8880d6813000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000005200000c CR3: 0000000033cb3000 CR4: 0000000000352ef0 Call Trace: <TASK> kvm_vcpu_ioctl+0x5eb/0x1690 virt/kvm/kvm_main.c:4464 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:907 [inline] __se_sys_ioctl fs/ioctl.c:893 [inline] __x64_sys_ioctl+0x18e/0x210 fs/ioctl.c:893 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f4f8b18e929 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffdc1bf8098 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f4f8b3b5fa0 RCX: 00007f4f8b18e929 RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005 RBP: 00007f4f8b210ca1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f4f8b3b5fa0 R14: 00007f4f8b3b5fa0 R15: 0000000000000003 </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 report is already addressed, 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 report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup
