Extracting prog: 1m26.500029868s
Minimizing prog: 11m2.098590834s
Simplifying prog options: 0s
Extracting C: 29.056445021s
Simplifying C: 5m7.424841627s


extracting reproducer from 1 programs
testing a last program of every proc
single: executing 1 programs separately with timeout 30s
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_XEN_HVM_CONFIG-ioctl$KVM_CREATE_VCPU
detailed listing:
executing program 0:
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000340), 0x0, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
ioctl$KVM_XEN_HVM_CONFIG(r1, 0x4038ae7a, &(0x7f0000000240)={0x0, 0xda0, &(0x7f0000000080)="142f91b1f9", 0x0, 0x5})
ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0)

program crashed: WARNING: suspicious RCU usage in kvm_vcpu_gfn_to_memslot
single: successfully extracted reproducer
found reproducer with 4 syscalls
minimizing guilty program
testing program (duration=56.069703s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_XEN_HVM_CONFIG
detailed listing:
executing program 0:
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000340), 0x0, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
ioctl$KVM_XEN_HVM_CONFIG(r1, 0x4038ae7a, &(0x7f0000000240)={0x0, 0xda0, &(0x7f0000000080)="142f91b1f9", 0x0, 0x5})

program did not crash
testing program (duration=56.069703s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VCPU
detailed listing:
executing program 0:
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000340), 0x0, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0)

program did not crash
testing program (duration=56.069703s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_XEN_HVM_CONFIG-ioctl$KVM_CREATE_VCPU
detailed listing:
executing program 0:
openat$kvm(0xffffffffffffff9c, &(0x7f0000000340), 0x0, 0x0)
ioctl$KVM_XEN_HVM_CONFIG(0xffffffffffffffff, 0x4038ae7a, &(0x7f0000000240)={0x0, 0xda0, &(0x7f0000000080)="142f91b1f9", 0x0, 0x5})
ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0)

program did not crash
testing program (duration=56.069703s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$KVM_CREATE_VM-ioctl$KVM_XEN_HVM_CONFIG-ioctl$KVM_CREATE_VCPU
detailed listing:
executing program 0:
r0 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0)
ioctl$KVM_XEN_HVM_CONFIG(r0, 0x4038ae7a, &(0x7f0000000240)={0x0, 0xda0, &(0x7f0000000080)="142f91b1f9", 0x0, 0x5})
ioctl$KVM_CREATE_VCPU(r0, 0xae41, 0x0)

program did not crash
testing program (duration=56.069703s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_XEN_HVM_CONFIG-ioctl$KVM_CREATE_VCPU
detailed listing:
executing program 0:
r0 = openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
ioctl$KVM_XEN_HVM_CONFIG(r1, 0x4038ae7a, &(0x7f0000000240)={0x0, 0xda0, &(0x7f0000000080)="142f91b1f9", 0x0, 0x5})
ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0)

program did not crash
testing program (duration=56.069703s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_XEN_HVM_CONFIG-ioctl$KVM_CREATE_VCPU
detailed listing:
executing program 0:
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000340), 0x0, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
ioctl$KVM_XEN_HVM_CONFIG(r1, 0x4038ae7a, 0x0)
ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0)

program did not crash
testing program (duration=56.069703s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_XEN_HVM_CONFIG-ioctl$KVM_CREATE_VCPU
detailed listing:
executing program 0:
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000340), 0x0, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
ioctl$KVM_XEN_HVM_CONFIG(r1, 0x4038ae7a, &(0x7f0000000240)={0x0, 0xda0, 0x0, 0x0})
ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0)

program did not crash
testing program (duration=56.069703s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_XEN_HVM_CONFIG-ioctl$KVM_CREATE_VCPU
detailed listing:
executing program 0:
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000340), 0x0, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
ioctl$KVM_XEN_HVM_CONFIG(r1, 0x4038ae7a, &(0x7f0000000240)={0x0, 0xda0, &(0x7f0000000080), 0x0})
ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=56.069703s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_XEN_HVM_CONFIG-ioctl$KVM_CREATE_VCPU
program crashed: WARNING: suspicious RCU usage in kvm_vcpu_gfn_to_memslot
simplifying C reproducer
testing compiled C program (duration=56.069703s, {Threaded:false Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_XEN_HVM_CONFIG-ioctl$KVM_CREATE_VCPU
program crashed: WARNING: suspicious RCU usage in kvm_vcpu_gfn_to_memslot
testing compiled C program (duration=56.069703s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_XEN_HVM_CONFIG-ioctl$KVM_CREATE_VCPU
program crashed: WARNING: suspicious RCU usage in kvm_vcpu_gfn_to_memslot
testing compiled C program (duration=56.069703s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_XEN_HVM_CONFIG-ioctl$KVM_CREATE_VCPU
program crashed: WARNING: suspicious RCU usage in kvm_vcpu_gfn_to_memslot
testing compiled C program (duration=56.069703s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_XEN_HVM_CONFIG-ioctl$KVM_CREATE_VCPU
program crashed: WARNING: suspicious RCU usage in kvm_vcpu_gfn_to_memslot
testing compiled C program (duration=56.069703s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_XEN_HVM_CONFIG-ioctl$KVM_CREATE_VCPU
program crashed: WARNING: suspicious RCU usage in kvm_vcpu_gfn_to_memslot
testing compiled C program (duration=56.069703s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_XEN_HVM_CONFIG-ioctl$KVM_CREATE_VCPU
program crashed: WARNING: suspicious RCU usage in kvm_vcpu_gfn_to_memslot
testing compiled C program (duration=56.069703s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_XEN_HVM_CONFIG-ioctl$KVM_CREATE_VCPU
program crashed: WARNING: suspicious RCU usage in kvm_vcpu_gfn_to_memslot
reproducing took 18m5.079935174s
repro crashed as (corrupted=false):
=============================
WARNING: suspicious RCU usage
6.13.0-syzkaller-00918-g95ec54a420b8 #0 Not tainted
-----------------------------
./include/linux/kvm_host.h:1038 suspicious rcu_dereference_check() usage!

other info that might help us debug this:


rcu_scheduler_active = 2, debug_locks = 1
no locks held by syz-executor167/5303.

stack backtrace:
CPU: 0 UID: 0 PID: 5303 Comm: syz-executor167 Not tainted 6.13.0-syzkaller-00918-g95ec54a420b8 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
 lockdep_rcu_suspicious+0x226/0x340 kernel/locking/lockdep.c:6845
 __kvm_memslots include/linux/kvm_host.h:1036 [inline]
 kvm_vcpu_memslots include/linux/kvm_host.h:1050 [inline]
 kvm_vcpu_gfn_to_memslot+0x429/0x4c0 virt/kvm/kvm_main.c:2554
 kvm_vcpu_write_guest_page virt/kvm/kvm_main.c:3238 [inline]
 kvm_vcpu_write_guest+0x7c/0x130 virt/kvm/kvm_main.c:3274
 kvm_xen_write_hypercall_page+0x2ff/0x5f0 arch/x86/kvm/xen.c:1299
 kvm_set_msr_common+0x150/0x3da0 arch/x86/kvm/x86.c:3751
 vmx_set_msr+0x15da/0x2790 arch/x86/kvm/vmx/vmx.c:2487
 __kvm_set_msr arch/x86/kvm/x86.c:1877 [inline]
 kvm_vcpu_reset+0xbea/0x1740 arch/x86/kvm/x86.c:12456
 kvm_arch_vcpu_create+0x8dc/0xa80 arch/x86/kvm/x86.c:12305
 kvm_vm_ioctl_create_vcpu+0x3d6/0xa00 virt/kvm/kvm_main.c:4106
 kvm_vm_ioctl+0x7e2/0xd30 virt/kvm/kvm_main.c:5019
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:906 [inline]
 __se_sys_ioctl+0xf5/0x170 fs/ioctl.c:892
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9a62a26369
Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 00 00 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fff83b20f38 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fff83b21108 RCX: 00007f9a62a26369
RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000004
RBP: 00007f9a62a99610 R08: 00007fff83b21108 R09: 00007fff83b21108
R10: 00007fff83b21108 R11: 0000000000000246 R12: 0000000000000001
R13: 00007fff83b210f8 R14: 0000000000000001 R15: 0000000000000001
 </TASK>

final repro crashed as (corrupted=false):
=============================
WARNING: suspicious RCU usage
6.13.0-syzkaller-00918-g95ec54a420b8 #0 Not tainted
-----------------------------
./include/linux/kvm_host.h:1038 suspicious rcu_dereference_check() usage!

other info that might help us debug this:


rcu_scheduler_active = 2, debug_locks = 1
no locks held by syz-executor167/5303.

stack backtrace:
CPU: 0 UID: 0 PID: 5303 Comm: syz-executor167 Not tainted 6.13.0-syzkaller-00918-g95ec54a420b8 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
 lockdep_rcu_suspicious+0x226/0x340 kernel/locking/lockdep.c:6845
 __kvm_memslots include/linux/kvm_host.h:1036 [inline]
 kvm_vcpu_memslots include/linux/kvm_host.h:1050 [inline]
 kvm_vcpu_gfn_to_memslot+0x429/0x4c0 virt/kvm/kvm_main.c:2554
 kvm_vcpu_write_guest_page virt/kvm/kvm_main.c:3238 [inline]
 kvm_vcpu_write_guest+0x7c/0x130 virt/kvm/kvm_main.c:3274
 kvm_xen_write_hypercall_page+0x2ff/0x5f0 arch/x86/kvm/xen.c:1299
 kvm_set_msr_common+0x150/0x3da0 arch/x86/kvm/x86.c:3751
 vmx_set_msr+0x15da/0x2790 arch/x86/kvm/vmx/vmx.c:2487
 __kvm_set_msr arch/x86/kvm/x86.c:1877 [inline]
 kvm_vcpu_reset+0xbea/0x1740 arch/x86/kvm/x86.c:12456
 kvm_arch_vcpu_create+0x8dc/0xa80 arch/x86/kvm/x86.c:12305
 kvm_vm_ioctl_create_vcpu+0x3d6/0xa00 virt/kvm/kvm_main.c:4106
 kvm_vm_ioctl+0x7e2/0xd30 virt/kvm/kvm_main.c:5019
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:906 [inline]
 __se_sys_ioctl+0xf5/0x170 fs/ioctl.c:892
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9a62a26369
Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 00 00 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fff83b20f38 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fff83b21108 RCX: 00007f9a62a26369
RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000004
RBP: 00007f9a62a99610 R08: 00007fff83b21108 R09: 00007fff83b21108
R10: 00007fff83b21108 R11: 0000000000000246 R12: 0000000000000001
R13: 00007fff83b210f8 R14: 0000000000000001 R15: 0000000000000001
 </TASK>