Extracting prog: 3m21.333037409s
Minimizing prog: 31m58.853099459s
Simplifying prog options: 0s
Extracting C: 37.928871716s
Simplifying C: 9m24.670559646s
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:5 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$dri-ioctl$DRM_IOCTL_MODE_CREATE_LEASE
detailed listing:
executing program 0:
r0 = syz_open_dev$dri(&(0x7f0000000000), 0x1f, 0x0)
ioctl$DRM_IOCTL_MODE_CREATE_LEASE(r0, 0xc01864c6, &(0x7f00000003c0)={&(0x7f0000000280)=[0x0], 0xf4240})
program did not crash
single: failed to extract reproducer
single: executing 1 programs separately with timeout 6m0s
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$dri-ioctl$DRM_IOCTL_MODE_CREATE_LEASE
detailed listing:
executing program 0:
r0 = syz_open_dev$dri(&(0x7f0000000000), 0x1f, 0x0)
ioctl$DRM_IOCTL_MODE_CREATE_LEASE(r0, 0xc01864c6, &(0x7f00000003c0)={&(0x7f0000000280)=[0x0], 0xf4240})
program crashed: WARNING in drm_mode_create_lease_ioctl
single: successfully extracted reproducer
found reproducer with 2 syscalls
minimizing guilty program
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$dri
detailed listing:
executing program 0:
syz_open_dev$dri(&(0x7f0000000000), 0x1f, 0x0)
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$DRM_IOCTL_MODE_CREATE_LEASE
detailed listing:
executing program 0:
ioctl$DRM_IOCTL_MODE_CREATE_LEASE(0xffffffffffffffff, 0xc01864c6, &(0x7f00000003c0)={&(0x7f0000000280)=[0x0], 0xf4240})
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$dri-ioctl$DRM_IOCTL_MODE_CREATE_LEASE
detailed listing:
executing program 0:
r0 = syz_open_dev$dri(0x0, 0x1f, 0x0)
ioctl$DRM_IOCTL_MODE_CREATE_LEASE(r0, 0xc01864c6, &(0x7f00000003c0)={&(0x7f0000000280)=[0x0], 0xf4240})
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$dri-ioctl$DRM_IOCTL_MODE_CREATE_LEASE
detailed listing:
executing program 0:
r0 = syz_open_dev$dri(&(0x7f0000000000), 0x1f, 0x0)
ioctl$DRM_IOCTL_MODE_CREATE_LEASE(r0, 0xc01864c6, 0x0)
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$dri-ioctl$DRM_IOCTL_MODE_CREATE_LEASE
detailed listing:
executing program 0:
r0 = syz_open_dev$dri(&(0x7f0000000000), 0x1f, 0x0)
ioctl$DRM_IOCTL_MODE_CREATE_LEASE(r0, 0xc01864c6, &(0x7f00000003c0)={0x0})
program did not crash
extracting C reproducer
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$dri-ioctl$DRM_IOCTL_MODE_CREATE_LEASE
program crashed: WARNING in drm_mode_create_lease_ioctl
simplifying C reproducer
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$dri-ioctl$DRM_IOCTL_MODE_CREATE_LEASE
program crashed: WARNING in drm_mode_create_lease_ioctl
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$dri-ioctl$DRM_IOCTL_MODE_CREATE_LEASE
program crashed: WARNING in drm_mode_create_lease_ioctl
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$dri-ioctl$DRM_IOCTL_MODE_CREATE_LEASE
program crashed: WARNING in drm_mode_create_lease_ioctl
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$dri-ioctl$DRM_IOCTL_MODE_CREATE_LEASE
program crashed: WARNING in drm_mode_create_lease_ioctl
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$dri-ioctl$DRM_IOCTL_MODE_CREATE_LEASE
program crashed: WARNING in drm_mode_create_lease_ioctl
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$dri-ioctl$DRM_IOCTL_MODE_CREATE_LEASE
program crashed: WARNING in drm_mode_create_lease_ioctl
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$dri-ioctl$DRM_IOCTL_MODE_CREATE_LEASE
program crashed: WARNING in drm_mode_create_lease_ioctl
testing program (duration=6m0s, {Threaded:false Repeat:true 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$dri-ioctl$DRM_IOCTL_MODE_CREATE_LEASE
detailed listing:
executing program 0:
r0 = syz_open_dev$dri(&(0x7f0000000000), 0x1f, 0x0)
ioctl$DRM_IOCTL_MODE_CREATE_LEASE(r0, 0xc01864c6, &(0x7f00000003c0)={&(0x7f0000000280)=[0x0], 0xf4240})
program crashed: WARNING in drm_mode_create_lease_ioctl
validation run: crashed=true
testing program (duration=6m0s, {Threaded:false Repeat:true 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$dri-ioctl$DRM_IOCTL_MODE_CREATE_LEASE
detailed listing:
executing program 0:
r0 = syz_open_dev$dri(&(0x7f0000000000), 0x1f, 0x0)
ioctl$DRM_IOCTL_MODE_CREATE_LEASE(r0, 0xc01864c6, &(0x7f00000003c0)={&(0x7f0000000280)=[0x0], 0xf4240})
program crashed: WARNING in drm_mode_create_lease_ioctl
validation run: crashed=true
testing program (duration=6m0s, {Threaded:false Repeat:true 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_dev$dri-ioctl$DRM_IOCTL_MODE_CREATE_LEASE
detailed listing:
executing program 0:
r0 = syz_open_dev$dri(&(0x7f0000000000), 0x1f, 0x0)
ioctl$DRM_IOCTL_MODE_CREATE_LEASE(r0, 0xc01864c6, &(0x7f00000003c0)={&(0x7f0000000280)=[0x0], 0xf4240})
program crashed: WARNING in drm_mode_create_lease_ioctl
validation run: crashed=true
reproducing took 52m44.499045814s
repro crashed as (corrupted=false):
------------[ cut here ]------------
1
WARNING: mm/page_alloc.c:5226 at __alloc_frozen_pages_noprof+0x2d1/0x380 mm/page_alloc.c:5226, CPU#0: syz.0.17/5977
Modules linked in:
CPU: 0 UID: 0 PID: 5977 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
RIP: 0010:__alloc_frozen_pages_noprof+0x2d1/0x380 mm/page_alloc.c:5226
Code: 74 10 4c 89 e7 89 54 24 0c e8 4b 1a 0e 00 8b 54 24 0c 49 83 3c 24 00 0f 85 a8 fe ff ff e9 a9 fe ff ff c6 05 3e e8 37 0d 01 90 <0f> 0b 90 e9 17 ff ff ff a9 00 00 08 00 48 8b 4c 24 10 4c 8d 44 24
RSP: 0018:ffffc90003f277a0 EFLAGS: 00010246
RAX: ffffc90003f27700 RBX: 000000000000000b RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffc90003f27808
RBP: ffffc90003f27898 R08: ffffc90003f27807 R09: 0000000000000000
R10: ffffc90003f277e0 R11: fffff520007e4f01 R12: 0000000000000000
R13: 1ffff920007e4ef8 R14: 0000000000040dc0 R15: dffffc0000000000
FS: 0000555555b9b500(0000) GS:ffff88812633c000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00002000003d0000 CR3: 0000000033df2000 CR4: 00000000003526f0
Call Trace:
alloc_pages_mpol+0xd1/0x380 mm/mempolicy.c:2484
___kmalloc_large_node+0x4e/0x150 mm/slub.c:5201
__kmalloc_large_node_noprof+0x18/0x90 mm/slub.c:5232
__do_kmalloc_node mm/slub.c:5248 [inline]
__kmalloc_noprof+0x4a3/0x7b0 mm/slub.c:5272
kmalloc_noprof include/linux/slab.h:954 [inline]
kzalloc_noprof include/linux/slab.h:1188 [inline]
fill_object_idr drivers/gpu/drm/drm_lease.c:389 [inline]
drm_mode_create_lease_ioctl+0x56a/0x1a20 drivers/gpu/drm/drm_lease.c:521
drm_ioctl_kernel+0x2e2/0x3b0 drivers/gpu/drm/drm_ioctl.c:804
drm_ioctl+0x6c0/0xb80 drivers/gpu/drm/drm_ioctl.c:901
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:597 [inline]
__se_sys_ioctl+0xff/0x170 fs/ioctl.c:583
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f820bdec799
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:00007ffe6d820e78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f820c065fa0 RCX: 00007f820bdec799
RDX: 00002000000003c0 RSI: 00000000c01864c6 RDI: 0000000000000003
RBP: 00007f820be82c99 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f820c065fac R14: 00007f820c065fa0 R15: 00007f820c065fa0
final repro crashed as (corrupted=false):
------------[ cut here ]------------
1
WARNING: mm/page_alloc.c:5226 at __alloc_frozen_pages_noprof+0x2d1/0x380 mm/page_alloc.c:5226, CPU#0: syz.0.17/5977
Modules linked in:
CPU: 0 UID: 0 PID: 5977 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
RIP: 0010:__alloc_frozen_pages_noprof+0x2d1/0x380 mm/page_alloc.c:5226
Code: 74 10 4c 89 e7 89 54 24 0c e8 4b 1a 0e 00 8b 54 24 0c 49 83 3c 24 00 0f 85 a8 fe ff ff e9 a9 fe ff ff c6 05 3e e8 37 0d 01 90 <0f> 0b 90 e9 17 ff ff ff a9 00 00 08 00 48 8b 4c 24 10 4c 8d 44 24
RSP: 0018:ffffc90003f277a0 EFLAGS: 00010246
RAX: ffffc90003f27700 RBX: 000000000000000b RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffc90003f27808
RBP: ffffc90003f27898 R08: ffffc90003f27807 R09: 0000000000000000
R10: ffffc90003f277e0 R11: fffff520007e4f01 R12: 0000000000000000
R13: 1ffff920007e4ef8 R14: 0000000000040dc0 R15: dffffc0000000000
FS: 0000555555b9b500(0000) GS:ffff88812633c000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00002000003d0000 CR3: 0000000033df2000 CR4: 00000000003526f0
Call Trace:
alloc_pages_mpol+0xd1/0x380 mm/mempolicy.c:2484
___kmalloc_large_node+0x4e/0x150 mm/slub.c:5201
__kmalloc_large_node_noprof+0x18/0x90 mm/slub.c:5232
__do_kmalloc_node mm/slub.c:5248 [inline]
__kmalloc_noprof+0x4a3/0x7b0 mm/slub.c:5272
kmalloc_noprof include/linux/slab.h:954 [inline]
kzalloc_noprof include/linux/slab.h:1188 [inline]
fill_object_idr drivers/gpu/drm/drm_lease.c:389 [inline]
drm_mode_create_lease_ioctl+0x56a/0x1a20 drivers/gpu/drm/drm_lease.c:521
drm_ioctl_kernel+0x2e2/0x3b0 drivers/gpu/drm/drm_ioctl.c:804
drm_ioctl+0x6c0/0xb80 drivers/gpu/drm/drm_ioctl.c:901
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:597 [inline]
__se_sys_ioctl+0xff/0x170 fs/ioctl.c:583
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f820bdec799
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:00007ffe6d820e78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f820c065fa0 RCX: 00007f820bdec799
RDX: 00002000000003c0 RSI: 00000000c01864c6 RDI: 0000000000000003
RBP: 00007f820be82c99 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f820c065fac R14: 00007f820c065fa0 R15: 00007f820c065fa0