Extracting prog: 11m59.872979462s
Minimizing prog: 6h23m57.319056614s
Simplifying prog options: 39m22.391338079s
Extracting C: 18m44.350870204s
Simplifying C: 0s


extracting reproducer from 1 programs
testing a last program of every proc
single: executing 1 programs separately with timeout 45s
testing program (duration=45s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_procs-write$cgroup_pid-mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_procs-openat$cgroup_procs-write$cgroup_pid-preadv
detailed listing:
executing program 0:
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.net/syz0\x00', 0x1ff)
r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
r1 = openat$cgroup_procs(r0, &(0x7f00000001c0)='tasks\x00', 0x2, 0x0)
write$cgroup_pid(r1, &(0x7f0000000180), 0x12)
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff)
r2 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
r3 = openat$cgroup_procs(r2, &(0x7f0000000040)='cgroup.procs\x00', 0x2, 0x0)
r4 = openat$cgroup_procs(r2, &(0x7f0000000080)='tasks\x00', 0x2, 0x0)
write$cgroup_pid(r3, &(0x7f00000000c0), 0x12)
preadv(r4, &(0x7f00000024c0)=[{&(0x7f0000001700)=""/188, 0xbc}], 0x1, 0x3, 0x0)

program did not crash
single: failed to extract reproducer
single: executing 1 programs separately with timeout 16m0s
testing program (duration=16m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_procs-write$cgroup_pid-mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_procs-openat$cgroup_procs-write$cgroup_pid-preadv
detailed listing:
executing program 0:
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.net/syz0\x00', 0x1ff)
r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
r1 = openat$cgroup_procs(r0, &(0x7f00000001c0)='tasks\x00', 0x2, 0x0)
write$cgroup_pid(r1, &(0x7f0000000180), 0x12)
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff)
r2 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
r3 = openat$cgroup_procs(r2, &(0x7f0000000040)='cgroup.procs\x00', 0x2, 0x0)
r4 = openat$cgroup_procs(r2, &(0x7f0000000080)='tasks\x00', 0x2, 0x0)
write$cgroup_pid(r3, &(0x7f00000000c0), 0x12)
preadv(r4, &(0x7f00000024c0)=[{&(0x7f0000001700)=""/188, 0xbc}], 0x1, 0x3, 0x0)

program crashed: panic: runtime error: invalid memory address or nil pointer dereference
single: successfully extracted reproducer
found reproducer with 10 syscalls
minimizing guilty program
testing program (duration=16m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_procs-write$cgroup_pid-mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_procs-openat$cgroup_procs-write$cgroup_pid
detailed listing:
executing program 0:
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.net/syz0\x00', 0x1ff)
r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
r1 = openat$cgroup_procs(r0, &(0x7f00000001c0)='tasks\x00', 0x2, 0x0)
write$cgroup_pid(r1, &(0x7f0000000180), 0x12)
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff)
r2 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
r3 = openat$cgroup_procs(r2, &(0x7f0000000040)='cgroup.procs\x00', 0x2, 0x0)
openat$cgroup_procs(r2, &(0x7f0000000080)='tasks\x00', 0x2, 0x0)
write$cgroup_pid(r3, &(0x7f00000000c0), 0x12)

program did not crash
testing program (duration=16m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_procs-write$cgroup_pid-mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_procs-openat$cgroup_procs-preadv
detailed listing:
executing program 0:
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.net/syz0\x00', 0x1ff)
r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
r1 = openat$cgroup_procs(r0, &(0x7f00000001c0)='tasks\x00', 0x2, 0x0)
write$cgroup_pid(r1, &(0x7f0000000180), 0x12)
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff)
r2 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
openat$cgroup_procs(r2, &(0x7f0000000040)='cgroup.procs\x00', 0x2, 0x0)
r3 = openat$cgroup_procs(r2, &(0x7f0000000080)='tasks\x00', 0x2, 0x0)
preadv(r3, &(0x7f00000024c0)=[{&(0x7f0000001700)=""/188, 0xbc}], 0x1, 0x3, 0x0)

program did not crash
testing program (duration=16m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_procs-write$cgroup_pid-mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_procs-write$cgroup_pid-preadv
detailed listing:
executing program 0:
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.net/syz0\x00', 0x1ff)
r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
r1 = openat$cgroup_procs(r0, &(0x7f00000001c0)='tasks\x00', 0x2, 0x0)
write$cgroup_pid(r1, &(0x7f0000000180), 0x12)
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff)
r2 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
r3 = openat$cgroup_procs(r2, &(0x7f0000000040)='cgroup.procs\x00', 0x2, 0x0)
write$cgroup_pid(r3, &(0x7f00000000c0), 0x12)
preadv(0xffffffffffffffff, &(0x7f00000024c0)=[{&(0x7f0000001700)=""/188, 0xbc}], 0x1, 0x3, 0x0)

program did not crash
testing program (duration=16m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_procs-write$cgroup_pid-mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_procs-write$cgroup_pid-preadv
detailed listing:
executing program 0:
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.net/syz0\x00', 0x1ff)
r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
r1 = openat$cgroup_procs(r0, &(0x7f00000001c0)='tasks\x00', 0x2, 0x0)
write$cgroup_pid(r1, &(0x7f0000000180), 0x12)
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff)
r2 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
r3 = openat$cgroup_procs(r2, &(0x7f0000000080)='tasks\x00', 0x2, 0x0)
write$cgroup_pid(0xffffffffffffffff, &(0x7f00000000c0), 0x12)
preadv(r3, &(0x7f00000024c0)=[{&(0x7f0000001700)=""/188, 0xbc}], 0x1, 0x3, 0x0)

program crashed: panic: runtime error: invalid memory address or nil pointer dereference
testing program (duration=16m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_procs-write$cgroup_pid-mkdirat$cgroup_root-openat$cgroup_procs-write$cgroup_pid-preadv
detailed listing:
executing program 0:
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.net/syz0\x00', 0x1ff)
r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
r1 = openat$cgroup_procs(r0, &(0x7f00000001c0)='tasks\x00', 0x2, 0x0)
write$cgroup_pid(r1, &(0x7f0000000180), 0x12)
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff)
r2 = openat$cgroup_procs(0xffffffffffffffff, &(0x7f0000000080)='tasks\x00', 0x2, 0x0)
write$cgroup_pid(0xffffffffffffffff, &(0x7f00000000c0), 0x12)
preadv(r2, &(0x7f00000024c0)=[{&(0x7f0000001700)=""/188, 0xbc}], 0x1, 0x3, 0x0)

program did not crash
testing program (duration=16m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_procs-write$cgroup_pid-openat$cgroup_root-openat$cgroup_procs-write$cgroup_pid-preadv
detailed listing:
executing program 0:
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.net/syz0\x00', 0x1ff)
r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
r1 = openat$cgroup_procs(r0, &(0x7f00000001c0)='tasks\x00', 0x2, 0x0)
write$cgroup_pid(r1, &(0x7f0000000180), 0x12)
r2 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
r3 = openat$cgroup_procs(r2, &(0x7f0000000080)='tasks\x00', 0x2, 0x0)
write$cgroup_pid(0xffffffffffffffff, &(0x7f00000000c0), 0x12)
preadv(r3, &(0x7f00000024c0)=[{&(0x7f0000001700)=""/188, 0xbc}], 0x1, 0x3, 0x0)

program did not crash
testing program (duration=16m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_procs-mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_procs-write$cgroup_pid-preadv
detailed listing:
executing program 0:
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.net/syz0\x00', 0x1ff)
r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
openat$cgroup_procs(r0, &(0x7f00000001c0)='tasks\x00', 0x2, 0x0)
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff)
r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
r2 = openat$cgroup_procs(r1, &(0x7f0000000080)='tasks\x00', 0x2, 0x0)
write$cgroup_pid(0xffffffffffffffff, &(0x7f00000000c0), 0x12)
preadv(r2, &(0x7f00000024c0)=[{&(0x7f0000001700)=""/188, 0xbc}], 0x1, 0x3, 0x0)

program did not crash
testing program (duration=16m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-openat$cgroup_root-write$cgroup_pid-mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_procs-write$cgroup_pid-preadv
detailed listing:
executing program 0:
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.net/syz0\x00', 0x1ff)
openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
write$cgroup_pid(0xffffffffffffffff, &(0x7f0000000180), 0x12)
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff)
r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
r1 = openat$cgroup_procs(r0, &(0x7f0000000080)='tasks\x00', 0x2, 0x0)
write$cgroup_pid(0xffffffffffffffff, &(0x7f00000000c0), 0x12)
preadv(r1, &(0x7f00000024c0)=[{&(0x7f0000001700)=""/188, 0xbc}], 0x1, 0x3, 0x0)

program did not crash
testing program (duration=16m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-openat$cgroup_procs-write$cgroup_pid-mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_procs-write$cgroup_pid-preadv
detailed listing:
executing program 0:
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.net/syz0\x00', 0x1ff)
r0 = openat$cgroup_procs(0xffffffffffffffff, &(0x7f00000001c0)='tasks\x00', 0x2, 0x0)
write$cgroup_pid(r0, &(0x7f0000000180), 0x12)
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff)
r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
r2 = openat$cgroup_procs(r1, &(0x7f0000000080)='tasks\x00', 0x2, 0x0)
write$cgroup_pid(0xffffffffffffffff, &(0x7f00000000c0), 0x12)
preadv(r2, &(0x7f00000024c0)=[{&(0x7f0000001700)=""/188, 0xbc}], 0x1, 0x3, 0x0)

program did not crash
testing program (duration=16m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$cgroup_root-openat$cgroup_procs-write$cgroup_pid-mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_procs-write$cgroup_pid-preadv
detailed listing:
executing program 0:
r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
r1 = openat$cgroup_procs(r0, &(0x7f00000001c0)='tasks\x00', 0x2, 0x0)
write$cgroup_pid(r1, &(0x7f0000000180), 0x12)
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff)
r2 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
r3 = openat$cgroup_procs(r2, &(0x7f0000000080)='tasks\x00', 0x2, 0x0)
write$cgroup_pid(0xffffffffffffffff, &(0x7f00000000c0), 0x12)
preadv(r3, &(0x7f00000024c0)=[{&(0x7f0000001700)=""/188, 0xbc}], 0x1, 0x3, 0x0)

program did not crash
testing program (duration=16m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_procs-write$cgroup_pid-mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_procs-write$cgroup_pid-preadv
detailed listing:
executing program 0:
mkdirat$cgroup_root(0xffffffffffffff9c, 0x0, 0x1ff)
r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
r1 = openat$cgroup_procs(r0, &(0x7f00000001c0)='tasks\x00', 0x2, 0x0)
write$cgroup_pid(r1, &(0x7f0000000180), 0x12)
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff)
r2 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
r3 = openat$cgroup_procs(r2, &(0x7f0000000080)='tasks\x00', 0x2, 0x0)
write$cgroup_pid(0xffffffffffffffff, &(0x7f00000000c0), 0x12)
preadv(r3, &(0x7f00000024c0)=[{&(0x7f0000001700)=""/188, 0xbc}], 0x1, 0x3, 0x0)

program did not crash
testing program (duration=16m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_procs-write$cgroup_pid-mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_procs-write$cgroup_pid-preadv
detailed listing:
executing program 0:
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.net/syz0\x00', 0x1ff)
r0 = openat$cgroup_root(0xffffffffffffff9c, 0x0, 0x200002, 0x0)
r1 = openat$cgroup_procs(r0, &(0x7f00000001c0)='tasks\x00', 0x2, 0x0)
write$cgroup_pid(r1, &(0x7f0000000180), 0x12)
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff)
r2 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
r3 = openat$cgroup_procs(r2, &(0x7f0000000080)='tasks\x00', 0x2, 0x0)
write$cgroup_pid(0xffffffffffffffff, &(0x7f00000000c0), 0x12)
preadv(r3, &(0x7f00000024c0)=[{&(0x7f0000001700)=""/188, 0xbc}], 0x1, 0x3, 0x0)

program did not crash
testing program (duration=16m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_procs-write$cgroup_pid-mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_procs-write$cgroup_pid-preadv
detailed listing:
executing program 0:
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.net/syz0\x00', 0x1ff)
r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
r1 = openat$cgroup_procs(r0, 0x0, 0x2, 0x0)
write$cgroup_pid(r1, &(0x7f0000000180), 0x12)
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff)
r2 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
r3 = openat$cgroup_procs(r2, &(0x7f0000000080)='tasks\x00', 0x2, 0x0)
write$cgroup_pid(0xffffffffffffffff, &(0x7f00000000c0), 0x12)
preadv(r3, &(0x7f00000024c0)=[{&(0x7f0000001700)=""/188, 0xbc}], 0x1, 0x3, 0x0)

program did not crash
testing program (duration=16m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_procs-write$cgroup_pid-mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_procs-write$cgroup_pid-preadv
detailed listing:
executing program 0:
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.net/syz0\x00', 0x1ff)
r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
r1 = openat$cgroup_procs(r0, &(0x7f00000001c0)='tasks\x00', 0x2, 0x0)
write$cgroup_pid(r1, 0x0, 0x0)
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff)
r2 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
r3 = openat$cgroup_procs(r2, &(0x7f0000000080)='tasks\x00', 0x2, 0x0)
write$cgroup_pid(0xffffffffffffffff, &(0x7f00000000c0), 0x12)
preadv(r3, &(0x7f00000024c0)=[{&(0x7f0000001700)=""/188, 0xbc}], 0x1, 0x3, 0x0)

program did not crash
testing program (duration=16m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_procs-write$cgroup_pid-mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_procs-write$cgroup_pid-preadv
detailed listing:
executing program 0:
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.net/syz0\x00', 0x1ff)
r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
r1 = openat$cgroup_procs(r0, &(0x7f00000001c0)='tasks\x00', 0x2, 0x0)
write$cgroup_pid(r1, &(0x7f0000000180), 0x12)
mkdirat$cgroup_root(0xffffffffffffff9c, 0x0, 0x1ff)
r2 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
r3 = openat$cgroup_procs(r2, &(0x7f0000000080)='tasks\x00', 0x2, 0x0)
write$cgroup_pid(0xffffffffffffffff, &(0x7f00000000c0), 0x12)
preadv(r3, &(0x7f00000024c0)=[{&(0x7f0000001700)=""/188, 0xbc}], 0x1, 0x3, 0x0)

program did not crash
testing program (duration=16m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_procs-write$cgroup_pid-mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_procs-write$cgroup_pid-preadv
detailed listing:
executing program 0:
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.net/syz0\x00', 0x1ff)
r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
r1 = openat$cgroup_procs(r0, &(0x7f00000001c0)='tasks\x00', 0x2, 0x0)
write$cgroup_pid(r1, &(0x7f0000000180), 0x12)
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff)
r2 = openat$cgroup_root(0xffffffffffffff9c, 0x0, 0x200002, 0x0)
r3 = openat$cgroup_procs(r2, &(0x7f0000000080)='tasks\x00', 0x2, 0x0)
write$cgroup_pid(0xffffffffffffffff, &(0x7f00000000c0), 0x12)
preadv(r3, &(0x7f00000024c0)=[{&(0x7f0000001700)=""/188, 0xbc}], 0x1, 0x3, 0x0)

program did not crash
testing program (duration=16m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_procs-write$cgroup_pid-mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_procs-write$cgroup_pid-preadv
detailed listing:
executing program 0:
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.net/syz0\x00', 0x1ff)
r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
r1 = openat$cgroup_procs(r0, &(0x7f00000001c0)='tasks\x00', 0x2, 0x0)
write$cgroup_pid(r1, &(0x7f0000000180), 0x12)
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff)
r2 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
r3 = openat$cgroup_procs(r2, 0x0, 0x2, 0x0)
write$cgroup_pid(0xffffffffffffffff, &(0x7f00000000c0), 0x12)
preadv(r3, &(0x7f00000024c0)=[{&(0x7f0000001700)=""/188, 0xbc}], 0x1, 0x3, 0x0)

program did not crash
testing program (duration=16m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_procs-write$cgroup_pid-mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_procs-write$cgroup_pid-preadv
detailed listing:
executing program 0:
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.net/syz0\x00', 0x1ff)
r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
r1 = openat$cgroup_procs(r0, &(0x7f00000001c0)='tasks\x00', 0x2, 0x0)
write$cgroup_pid(r1, &(0x7f0000000180), 0x12)
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff)
r2 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
r3 = openat$cgroup_procs(r2, &(0x7f0000000080)='tasks\x00', 0x2, 0x0)
write$cgroup_pid(0xffffffffffffffff, 0x0, 0x0)
preadv(r3, &(0x7f00000024c0)=[{&(0x7f0000001700)=""/188, 0xbc}], 0x1, 0x3, 0x0)

program did not crash
testing program (duration=16m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_procs-write$cgroup_pid-mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_procs-write$cgroup_pid-preadv
detailed listing:
executing program 0:
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.net/syz0\x00', 0x1ff)
r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
r1 = openat$cgroup_procs(r0, &(0x7f00000001c0)='tasks\x00', 0x2, 0x0)
write$cgroup_pid(r1, &(0x7f0000000180), 0x12)
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff)
r2 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
r3 = openat$cgroup_procs(r2, &(0x7f0000000080)='tasks\x00', 0x2, 0x0)
write$cgroup_pid(0xffffffffffffffff, &(0x7f00000000c0), 0x12)
preadv(r3, 0x0, 0x0, 0x3, 0x0)

program did not crash
testing program (duration=16m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_procs-write$cgroup_pid-mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_procs-write$cgroup_pid-preadv
detailed listing:
executing program 0:
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.net/syz0\x00', 0x1ff)
r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
r1 = openat$cgroup_procs(r0, &(0x7f00000001c0)='tasks\x00', 0x2, 0x0)
write$cgroup_pid(r1, &(0x7f0000000180), 0x12)
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff)
r2 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
r3 = openat$cgroup_procs(r2, &(0x7f0000000080)='tasks\x00', 0x2, 0x0)
write$cgroup_pid(0xffffffffffffffff, &(0x7f00000000c0), 0x12)
preadv(r3, &(0x7f00000024c0)=[{0x0}], 0x1, 0x3, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=16m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_procs-write$cgroup_pid-mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_procs-write$cgroup_pid-preadv
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
simplifying guilty program options
testing program (duration=16m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:2 Slowdown:10 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_procs-write$cgroup_pid-mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_procs-write$cgroup_pid-preadv
detailed listing:
executing program 0:
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.net/syz0\x00', 0x1ff)
r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
r1 = openat$cgroup_procs(r0, &(0x7f00000001c0)='tasks\x00', 0x2, 0x0)
write$cgroup_pid(r1, &(0x7f0000000180), 0x12)
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff)
r2 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
r3 = openat$cgroup_procs(r2, &(0x7f0000000080)='tasks\x00', 0x2, 0x0)
write$cgroup_pid(0xffffffffffffffff, &(0x7f00000000c0), 0x12)
preadv(r3, &(0x7f00000024c0)=[{&(0x7f0000001700)=""/188, 0xbc}], 0x1, 0x3, 0x0)

program did not crash
testing program (duration=16m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:10 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_procs-write$cgroup_pid-mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_procs-write$cgroup_pid-preadv
detailed listing:
executing program 0:
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.net/syz0\x00', 0x1ff)
r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
r1 = openat$cgroup_procs(r0, &(0x7f00000001c0)='tasks\x00', 0x2, 0x0)
write$cgroup_pid(r1, &(0x7f0000000180), 0x12)
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz1\x00', 0x1ff)
r2 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
r3 = openat$cgroup_procs(r2, &(0x7f0000000080)='tasks\x00', 0x2, 0x0)
write$cgroup_pid(0xffffffffffffffff, &(0x7f00000000c0), 0x12)
preadv(r3, &(0x7f00000024c0)=[{&(0x7f0000001700)=""/188, 0xbc}], 0x1, 0x3, 0x0)

program did not crash
reproducing took 7h34m3.934305279s
repro crashed as (corrupted=false):
panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0x56e068]

goroutine 29 [running]:
github.com/google/syzkaller/prog.(*Prog).serialize(0x0, 0x0)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/encoding.go:40 +0x80
github.com/google/syzkaller/prog.(*Prog).Serialize(...)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/encoding.go:30
github.com/google/syzkaller/pkg/rpcserver.(*Runner).handleExecResult(0xc0002643c0, 0xc0000a2280)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/rpcserver/runner.go:439 +0x17c
github.com/google/syzkaller/pkg/rpcserver.(*Runner).ConnectionLoop(0xc0002643c0)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/rpcserver/runner.go:203 +0x320
github.com/google/syzkaller/pkg/rpcserver.(*server).connectionLoop(0xc002032000, 0xc0002643c0)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/rpcserver/rpcserver.go:356 +0xdc
github.com/google/syzkaller/pkg/rpcserver.(*server).handleRunnerConn(0xc002032000, 0xc0002643c0, 0xc0013e2140)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/rpcserver/rpcserver.go:294 +0x360
github.com/google/syzkaller/pkg/rpcserver.(*server).handleConn(0xc002032000, 0xc0013e2140)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/rpcserver/rpcserver.go:261 +0x254
github.com/google/syzkaller/pkg/flatrpc.ListenAndServe.func1.1()
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/flatrpc/conn.go:55 +0x128
created by github.com/google/syzkaller/pkg/flatrpc.ListenAndServe.func1 in goroutine 24
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/flatrpc/conn.go:52 +0xb0

final repro crashed as (corrupted=false):
panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0x56e068]

goroutine 29 [running]:
github.com/google/syzkaller/prog.(*Prog).serialize(0x0, 0x0)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/encoding.go:40 +0x80
github.com/google/syzkaller/prog.(*Prog).Serialize(...)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/encoding.go:30
github.com/google/syzkaller/pkg/rpcserver.(*Runner).handleExecResult(0xc0002643c0, 0xc0000a2280)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/rpcserver/runner.go:439 +0x17c
github.com/google/syzkaller/pkg/rpcserver.(*Runner).ConnectionLoop(0xc0002643c0)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/rpcserver/runner.go:203 +0x320
github.com/google/syzkaller/pkg/rpcserver.(*server).connectionLoop(0xc002032000, 0xc0002643c0)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/rpcserver/rpcserver.go:356 +0xdc
github.com/google/syzkaller/pkg/rpcserver.(*server).handleRunnerConn(0xc002032000, 0xc0002643c0, 0xc0013e2140)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/rpcserver/rpcserver.go:294 +0x360
github.com/google/syzkaller/pkg/rpcserver.(*server).handleConn(0xc002032000, 0xc0013e2140)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/rpcserver/rpcserver.go:261 +0x254
github.com/google/syzkaller/pkg/flatrpc.ListenAndServe.func1.1()
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/flatrpc/conn.go:55 +0x128
created by github.com/google/syzkaller/pkg/flatrpc.ListenAndServe.func1 in goroutine 24
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/flatrpc/conn.go:52 +0xb0