Extracting prog: 29.596427549s
Minimizing prog: 4m15.528999785s
Simplifying prog options: 0s
Extracting C: 12.579918842s
Simplifying C: 1m19.298659137s


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:4 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: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}}): connect$unix-socket$packet-setsockopt$packet_tx_ring-mmap-mremap-mremap-ioctl$ifreq_SIOCGIFINDEX_batadv_hard
detailed listing:
executing program 0:
connect$unix(0xffffffffffffffff, 0x0, 0x0)
r0 = socket$packet(0x11, 0x2, 0x300)
setsockopt$packet_tx_ring(r0, 0x107, 0x5, &(0x7f00000000c0)=@req3={0x8000, 0x6, 0x8000, 0x6}, 0x1c)
mmap(&(0x7f0000000000/0x2000)=nil, 0x30000, 0x2, 0x11, r0, 0x0)
mremap(&(0x7f0000000000/0x9000)=nil, 0x9000, 0x600000, 0x3, &(0x7f0000a00000/0x600000)=nil)
mremap(&(0x7f0000a96000/0x1000)=nil, 0x1000, 0x400000, 0x3, &(0x7f0000000000/0x400000)=nil)
ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f00000001c0)={'batadv_slave_0\x00'})

program crashed: panic: runtime error: invalid memory address or nil pointer dereference
single: successfully extracted reproducer
found reproducer with 7 syscalls
minimizing guilty program
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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: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}}): connect$unix-socket$packet-setsockopt$packet_tx_ring-mmap-mremap-mremap
detailed listing:
executing program 0:
connect$unix(0xffffffffffffffff, 0x0, 0x0)
r0 = socket$packet(0x11, 0x2, 0x300)
setsockopt$packet_tx_ring(r0, 0x107, 0x5, &(0x7f00000000c0)=@req3={0x8000, 0x6, 0x8000, 0x6}, 0x1c)
mmap(&(0x7f0000000000/0x2000)=nil, 0x30000, 0x2, 0x11, r0, 0x0)
mremap(&(0x7f0000000000/0x9000)=nil, 0x9000, 0x600000, 0x3, &(0x7f0000a00000/0x600000)=nil)
mremap(&(0x7f0000a96000/0x1000)=nil, 0x1000, 0x400000, 0x3, &(0x7f0000000000/0x400000)=nil)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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: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}}): connect$unix-socket$packet-setsockopt$packet_tx_ring-mmap-mremap-ioctl$ifreq_SIOCGIFINDEX_batadv_hard
detailed listing:
executing program 0:
connect$unix(0xffffffffffffffff, 0x0, 0x0)
r0 = socket$packet(0x11, 0x2, 0x300)
setsockopt$packet_tx_ring(r0, 0x107, 0x5, &(0x7f00000000c0)=@req3={0x8000, 0x6, 0x8000, 0x6}, 0x1c)
mmap(&(0x7f0000000000/0x2000)=nil, 0x30000, 0x2, 0x11, r0, 0x0)
mremap(&(0x7f0000000000/0x9000)=nil, 0x9000, 0x600000, 0x3, &(0x7f0000a00000/0x600000)=nil)
ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f00000001c0)={'batadv_slave_0\x00'})

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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: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}}): connect$unix-socket$packet-setsockopt$packet_tx_ring-mmap-mremap-ioctl$ifreq_SIOCGIFINDEX_batadv_hard
detailed listing:
executing program 0:
connect$unix(0xffffffffffffffff, 0x0, 0x0)
r0 = socket$packet(0x11, 0x2, 0x300)
setsockopt$packet_tx_ring(r0, 0x107, 0x5, &(0x7f00000000c0)=@req3={0x8000, 0x6, 0x8000, 0x6}, 0x1c)
mmap(&(0x7f0000000000/0x2000)=nil, 0x30000, 0x2, 0x11, r0, 0x0)
mremap(&(0x7f0000a96000/0x1000)=nil, 0x1000, 0x400000, 0x3, &(0x7f0000000000/0x400000)=nil)
ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f00000001c0)={'batadv_slave_0\x00'})

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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: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}}): connect$unix-socket$packet-setsockopt$packet_tx_ring-mremap-mremap-ioctl$ifreq_SIOCGIFINDEX_batadv_hard
detailed listing:
executing program 0:
connect$unix(0xffffffffffffffff, 0x0, 0x0)
r0 = socket$packet(0x11, 0x2, 0x300)
setsockopt$packet_tx_ring(r0, 0x107, 0x5, &(0x7f00000000c0)=@req3={0x8000, 0x6, 0x8000, 0x6}, 0x1c)
mremap(&(0x7f0000000000/0x9000)=nil, 0x9000, 0x600000, 0x3, &(0x7f0000a00000/0x600000)=nil)
mremap(&(0x7f0000a96000/0x1000)=nil, 0x1000, 0x400000, 0x3, &(0x7f0000000000/0x400000)=nil)
ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f00000001c0)={'batadv_slave_0\x00'})

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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: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}}): connect$unix-socket$packet-mmap-mremap-mremap-ioctl$ifreq_SIOCGIFINDEX_batadv_hard
detailed listing:
executing program 0:
connect$unix(0xffffffffffffffff, 0x0, 0x0)
r0 = socket$packet(0x11, 0x2, 0x300)
mmap(&(0x7f0000000000/0x2000)=nil, 0x30000, 0x2, 0x11, r0, 0x0)
mremap(&(0x7f0000000000/0x9000)=nil, 0x9000, 0x600000, 0x3, &(0x7f0000a00000/0x600000)=nil)
mremap(&(0x7f0000a96000/0x1000)=nil, 0x1000, 0x400000, 0x3, &(0x7f0000000000/0x400000)=nil)
ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f00000001c0)={'batadv_slave_0\x00'})

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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: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}}): connect$unix-setsockopt$packet_tx_ring-mmap-mremap-mremap-ioctl$ifreq_SIOCGIFINDEX_batadv_hard
detailed listing:
executing program 0:
connect$unix(0xffffffffffffffff, 0x0, 0x0)
setsockopt$packet_tx_ring(0xffffffffffffffff, 0x107, 0x5, &(0x7f00000000c0)=@req3={0x8000, 0x6, 0x8000, 0x6}, 0x1c)
mmap(&(0x7f0000000000/0x2000)=nil, 0x30000, 0x2, 0x11, 0xffffffffffffffff, 0x0)
mremap(&(0x7f0000000000/0x9000)=nil, 0x9000, 0x600000, 0x3, &(0x7f0000a00000/0x600000)=nil)
mremap(&(0x7f0000a96000/0x1000)=nil, 0x1000, 0x400000, 0x3, &(0x7f0000000000/0x400000)=nil)
ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f00000001c0)={'batadv_slave_0\x00'})

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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: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}}): socket$packet-setsockopt$packet_tx_ring-mmap-mremap-mremap-ioctl$ifreq_SIOCGIFINDEX_batadv_hard
detailed listing:
executing program 0:
r0 = socket$packet(0x11, 0x2, 0x300)
setsockopt$packet_tx_ring(r0, 0x107, 0x5, &(0x7f00000000c0)=@req3={0x8000, 0x6, 0x8000, 0x6}, 0x1c)
mmap(&(0x7f0000000000/0x2000)=nil, 0x30000, 0x2, 0x11, r0, 0x0)
mremap(&(0x7f0000000000/0x9000)=nil, 0x9000, 0x600000, 0x3, &(0x7f0000a00000/0x600000)=nil)
mremap(&(0x7f0000a96000/0x1000)=nil, 0x1000, 0x400000, 0x3, &(0x7f0000000000/0x400000)=nil)
ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f00000001c0)={'batadv_slave_0\x00'})

program crashed: panic: runtime error: invalid memory address or nil pointer dereference
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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: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}}): socket$packet-setsockopt$packet_tx_ring-mmap-mremap-mremap-ioctl$ifreq_SIOCGIFINDEX_batadv_hard
detailed listing:
executing program 0:
r0 = socket$packet(0x11, 0x2, 0x300)
setsockopt$packet_tx_ring(r0, 0x107, 0x5, 0x0, 0x0)
mmap(&(0x7f0000000000/0x2000)=nil, 0x30000, 0x2, 0x11, r0, 0x0)
mremap(&(0x7f0000000000/0x9000)=nil, 0x9000, 0x600000, 0x3, &(0x7f0000a00000/0x600000)=nil)
mremap(&(0x7f0000a96000/0x1000)=nil, 0x1000, 0x400000, 0x3, &(0x7f0000000000/0x400000)=nil)
ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, &(0x7f00000001c0)={'batadv_slave_0\x00'})

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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: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}}): socket$packet-setsockopt$packet_tx_ring-mmap-mremap-mremap-ioctl$ifreq_SIOCGIFINDEX_batadv_hard
detailed listing:
executing program 0:
r0 = socket$packet(0x11, 0x2, 0x300)
setsockopt$packet_tx_ring(r0, 0x107, 0x5, &(0x7f00000000c0)=@req3={0x8000, 0x6, 0x8000, 0x6}, 0x1c)
mmap(&(0x7f0000000000/0x2000)=nil, 0x30000, 0x2, 0x11, r0, 0x0)
mremap(&(0x7f0000000000/0x9000)=nil, 0x9000, 0x600000, 0x3, &(0x7f0000a00000/0x600000)=nil)
mremap(&(0x7f0000a96000/0x1000)=nil, 0x1000, 0x400000, 0x3, &(0x7f0000000000/0x400000)=nil)
ioctl$ifreq_SIOCGIFINDEX_batadv_hard(0xffffffffffffffff, 0x8933, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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: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}}): socket$packet-setsockopt$packet_tx_ring-mmap-mremap-mremap-ioctl$ifreq_SIOCGIFINDEX_batadv_hard
program crashed: panic: runtime error: invalid memory address or nil pointer dereference
simplifying C reproducer
testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$packet-setsockopt$packet_tx_ring-mmap-mremap-mremap-ioctl$ifreq_SIOCGIFINDEX_batadv_hard
program crashed: panic: runtime error: invalid memory address or nil pointer dereference
testing compiled C program (duration=30s, {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: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}}): socket$packet-setsockopt$packet_tx_ring-mmap-mremap-mremap-ioctl$ifreq_SIOCGIFINDEX_batadv_hard
program crashed: panic: runtime error: invalid memory address or nil pointer dereference
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$packet-setsockopt$packet_tx_ring-mmap-mremap-mremap-ioctl$ifreq_SIOCGIFINDEX_batadv_hard
program crashed: panic: runtime error: invalid memory address or nil pointer dereference
testing compiled C program (duration=30s, {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}}): socket$packet-setsockopt$packet_tx_ring-mmap-mremap-mremap-ioctl$ifreq_SIOCGIFINDEX_batadv_hard
program crashed: panic: runtime error: invalid memory address or nil pointer dereference
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$packet-setsockopt$packet_tx_ring-mmap-mremap-mremap-ioctl$ifreq_SIOCGIFINDEX_batadv_hard
program crashed: panic: runtime error: invalid memory address or nil pointer dereference
testing compiled C program (duration=30s, {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}}): socket$packet-setsockopt$packet_tx_ring-mmap-mremap-mremap-ioctl$ifreq_SIOCGIFINDEX_batadv_hard
program crashed: panic: runtime error: invalid memory address or nil pointer dereference
reproducing took 6m17.004032503s
repro crashed as (corrupted=false):
panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x40 pc=0xc8f875]

goroutine 230 gp=0xc0005d2540 m=18 mp=0xc000680e08 [running]:
panic({0x1bd3f60?, 0x2bef1a0?})
	bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x168 fp=0xc000773350 sp=0xc0007732a0 pc=0x478708
runtime.panicmem(...)
	bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:262
runtime.sigpanic()
	bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/signal_unix.go:900 +0x359 fp=0xc0007733b0 sp=0xc000773350 pc=0x47aed9
gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).getPMAsInternalLocked(0xc000557008, {0x200dee0, 0xc000259208}, {0xc000b20908?, 0xc000773ad8?}, {0x0?, 0x450967?}, {0x0, 0x1, 0x0}, ...)
	pkg/sentry/mm/pma.go:368 +0x33d5 fp=0xc0007739f8 sp=0xc0007733b0 pc=0xc8f875
gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).getPMAsLocked(0xc000557008, {0x200dee0, 0xc000259208}, {0xc000b20908?, 0xba9c90?}, {0x484d89?, 0xc000773b40?}, {0x0, 0x1, 0x0}, ...)
	pkg/sentry/mm/pma.go:131 +0x151 fp=0xc000773ae8 sp=0xc0007739f8 pc=0xc8bab1
gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).HandleUserFault(0xc000557008, {0x200dee0, 0xc000259208}, 0x4000000001c0, {0x8?, 0x70?, 0x55?}, 0xc0005c5770?)
	pkg/sentry/mm/syscalls.go:57 +0x16e fp=0xc000773b98 sp=0xc000773ae8 pc=0xca9bae
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc000259208?, 0xc000259208)
	pkg/sentry/kernel/task_run.go:290 +0x1a32 fp=0xc000773e70 sp=0xc000773b98 pc=0xf40952
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc000259208, 0xa)
	pkg/sentry/kernel/task_run.go:97 +0x4fb fp=0xc000773fb0 sp=0xc000773e70 pc=0xf3e53b
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1()
	pkg/sentry/kernel/task_start.go:412 +0x45 fp=0xc000773fe0 sp=0xc000773fb0 pc=0xf51965
runtime.goexit({})
	src/runtime/asm_amd64.s:1700 +0x1 fp=0xc000773fe8 sp=0xc000773fe0 pc=0x481a81
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 324
	pkg/sentry/kernel/task_start.go:412 +0x165

final repro crashed as (corrupted=false):
panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x40 pc=0xc8f875]

goroutine 230 gp=0xc0005d2540 m=18 mp=0xc000680e08 [running]:
panic({0x1bd3f60?, 0x2bef1a0?})
	bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x168 fp=0xc000773350 sp=0xc0007732a0 pc=0x478708
runtime.panicmem(...)
	bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:262
runtime.sigpanic()
	bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/signal_unix.go:900 +0x359 fp=0xc0007733b0 sp=0xc000773350 pc=0x47aed9
gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).getPMAsInternalLocked(0xc000557008, {0x200dee0, 0xc000259208}, {0xc000b20908?, 0xc000773ad8?}, {0x0?, 0x450967?}, {0x0, 0x1, 0x0}, ...)
	pkg/sentry/mm/pma.go:368 +0x33d5 fp=0xc0007739f8 sp=0xc0007733b0 pc=0xc8f875
gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).getPMAsLocked(0xc000557008, {0x200dee0, 0xc000259208}, {0xc000b20908?, 0xba9c90?}, {0x484d89?, 0xc000773b40?}, {0x0, 0x1, 0x0}, ...)
	pkg/sentry/mm/pma.go:131 +0x151 fp=0xc000773ae8 sp=0xc0007739f8 pc=0xc8bab1
gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).HandleUserFault(0xc000557008, {0x200dee0, 0xc000259208}, 0x4000000001c0, {0x8?, 0x70?, 0x55?}, 0xc0005c5770?)
	pkg/sentry/mm/syscalls.go:57 +0x16e fp=0xc000773b98 sp=0xc000773ae8 pc=0xca9bae
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc000259208?, 0xc000259208)
	pkg/sentry/kernel/task_run.go:290 +0x1a32 fp=0xc000773e70 sp=0xc000773b98 pc=0xf40952
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc000259208, 0xa)
	pkg/sentry/kernel/task_run.go:97 +0x4fb fp=0xc000773fb0 sp=0xc000773e70 pc=0xf3e53b
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1()
	pkg/sentry/kernel/task_start.go:412 +0x45 fp=0xc000773fe0 sp=0xc000773fb0 pc=0xf51965
runtime.goexit({})
	src/runtime/asm_amd64.s:1700 +0x1 fp=0xc000773fe8 sp=0xc000773fe0 pc=0x481a81
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 324
	pkg/sentry/kernel/task_start.go:412 +0x165