loop4: detected capacity change from 0 to 512 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 6408 at arch/x86/kvm/x86.c:11207 kvm_arch_vcpu_ioctl_run+0x22b1/0x2470 Modules linked in: CPU: 0 PID: 6408 Comm: syz.4.647 Not tainted 6.1.106-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 RIP: 0010:kvm_arch_vcpu_ioctl_run+0x22b1/0x2470 arch/x86/kvm/x86.c:11207 Code: e8 14 7e d1 00 e9 62 eb ff ff 44 89 f9 80 e1 07 38 c1 0f 8c 6a eb ff ff 4c 89 ff e8 f9 7d d1 00 e9 5d eb ff ff e8 bf 02 7a 00 <0f> 0b e9 07 fa ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 05 f9 ff RSP: 0018:ffffc90005c97c68 EFLAGS: 00010287 RAX: ffffffff8110a101 RBX: 0000000000000000 RCX: 0000000000040000 RDX: ffffc9000f2d0000 RSI: 00000000000003d6 RDI: 00000000000003d7 RBP: ffff888073bd02ec R08: ffffffff8117fa91 R09: fffffbfff20e7668 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88807cea9dc0 R13: ffff888073bd0000 R14: ffff88807f60a000 R15: dffffc0000000000 FS: 00007f385235d6c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555572fc808 CR3: 000000005f48c000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: kvm_vcpu_ioctl+0x7f0/0xcf0 virt/kvm/kvm_main.c:4122 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl+0xf1/0x160 fs/ioctl.c:856 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f3851579e79 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:00007f385235d038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f3851715f80 RCX: 00007f3851579e79 RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000006 RBP: 00007f38515e7916 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f3851715f80 R15: 00007ffd3e98c488