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AFNElJ80DHkmlmeYL/H09QMsx6v5mEkqbhqleEi/I2GssaVZn7SdkUPPEIslReJDavBi0rzo1aM0nPhMtWBrBvw=@vger.kernel.org X-Gm-Message-State: AOJu0YxsJVmjcysDAarJ8ZpBfBBeceENNMbxNW4BosBcyp++MrpUlOxV WGRYfCtE7/gxN7ix1UzCcGM9jv9oGG0WZAm2M23nFkDLzEcWMm61dEzzUrKGbKOxy9hXzKFVRo9 hRvSCaMDs94qCrcJRcMON2jqXesvdgqDEx44KsVGMOBfjxPXlEm+ZN6/9eBo= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6808:6904:b0:4a1:296:adec with SMTP id 5614622812f47-4a42acc6fd7mr3300056b6e.15.1783823522477; Sat, 11 Jul 2026 19:32:02 -0700 (PDT) Date: Sat, 11 Jul 2026 19:32:02 -0700 In-Reply-To: <20260712020904.29847-1-kartikey406@gmail.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6a52fca2.574492cf.19a3b.000c.GAE@google.com> Subject: Re: [syzbot] [kvm-x86?] WARNING in kvm_check_and_inject_events From: syzbot To: kartikey406@gmail.com, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot has tested the proposed patch but the reproducer is still triggering an issue: WARNING in kvm_check_and_inject_events ------------[ cut here ]------------ irq == -1 WARNING: arch/x86/kvm/x86.c:10800 at kvm_check_and_inject_events+0xf1e/0x1070 arch/x86/kvm/x86.c:10800, CPU#3: syz.0.69/6653 Modules linked in: CPU: 3 UID: 0 PID: 6653 Comm: syz.0.69 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 RIP: 0010:kvm_check_and_inject_events+0xf1e/0x1070 arch/x86/kvm/x86.c:10800 Code: 00 48 8b 44 24 20 48 0d 00 01 01 00 48 89 44 24 10 e9 35 fd ff ff e8 a1 4e 7e 00 90 0f 0b 90 e9 b7 fe ff ff e8 93 4e 7e 00 90 <0f> 0b 90 e9 2e f8 ff ff e8 45 c8 ee 00 e9 ae f6 ff ff 48 8b 7c 24 RSP: 0018:ffffc90004137a20 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff88803a0fa9c0 RCX: ffffffff818b8bac RDX: ffff8880565a8000 RSI: ffffffff818b8ccd RDI: ffff8880565a8000 RBP: 00000000ffffffff R08: 0000000000000005 R09: 00000000ffffffff R10: 00000000ffffffff R11: 0000000000000000 R12: ffff88803a0fb5ec R13: 0000000000000001 R14: ffff88803a0faca8 R15: ffff88803a0fb2f8 FS: 00007f76f1fb46c0(0000) GS:ffff8880d60e8000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f76f1073780 CR3: 000000003e0e3000 CR4: 0000000000352ef0 Call Trace: vcpu_enter_guest arch/x86/kvm/x86.c:11296 [inline] vcpu_run+0xf1d/0x5d50 arch/x86/kvm/x86.c:11707 kvm_arch_vcpu_ioctl_run+0x5b6/0x1890 arch/x86/kvm/x86.c:12062 kvm_vcpu_ioctl+0x730/0x1700 virt/kvm/kvm_main.c:4470 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:597 [inline] __se_sys_ioctl fs/ioctl.c:583 [inline] __x64_sys_ioctl+0x18e/0x210 fs/ioctl.c:583 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x115/0x870 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f76f119de59 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f76f1fb4028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f76f1425fa0 RCX: 00007f76f119de59 RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005 RBP: 00007f76f1233e6f R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f76f1426038 R14: 00007f76f1425fa0 R15: 00007fff9f7ea3a8 Tested on: commit: 44696aa3 Merge tag 'input-for-v7.2-rc2' of git://git.k.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=17611b89580000 kernel config: https://syzkaller.appspot.com/x/.config?x=48ef5c5c0f192153 dashboard link: https://syzkaller.appspot.com/bug?extid=9dcd0a11dc9703a49511 compiler: gcc (Debian 14.2.0-19) 14.2.0, GNU ld (GNU Binutils for Debian) 2.44 patch: https://syzkaller.appspot.com/x/patch.diff?x=1660f0b9580000