Extracting prog: 26.286319475s
Minimizing prog: 4m14.532710515s
Simplifying prog options: 0s
Extracting C: 11.905181448s
Simplifying C: 1m8.680412019s


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 6m1.404648007s
repro crashed as (corrupted=false):
panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x40 pc=0x8e826b]

goroutine 338 gp=0xc000a521c0 m=20 mp=0xc000798008 [running]:
panic({0x11ca020?, 0x20e8b70?})
	bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x168 fp=0xc00090b828 sp=0xc00090b778 pc=0x4740c8
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=0xc00090b888 sp=0xc00090b828 pc=0x4767f9
gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).getPMAsInternalLocked(0xc000a54008, {0x15cf8e0, 0xc000a76008}, {0xc000a33b08?, 0xc000a33b08?}, {0xc000a1c7e0?, 0x1c00090bd80?}, {0x1, 0x0, 0x0}, ...)
	pkg/sentry/mm/pma.go:368 +0x21cb fp=0xc00090bcf0 sp=0xc00090b888 pc=0x8e826b
gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).getPMAsLocked(0xc000a54008, {0x15cf8e0?, 0xc000a76008?}, {0xc000a33b08?, 0xc000a54008?}, {0xc000a08d20?, 0x400000000000?}, {0x1, 0x0, 0x0}, ...)
	pkg/sentry/mm/pma.go:131 +0xb7 fp=0xc00090bd80 sp=0xc00090bcf0 pc=0x8e5ad7
gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).HandleUserFault(0xc000a54008, {0x15cf8e0, 0xc000a76008}, 0x15c9770?, {0x8?, 0x40?, 0xa5?}, 0xc000a08d20?)
	pkg/sentry/mm/syscalls.go:57 +0x15c fp=0xc00090be28 sp=0xc00090bd80 pc=0x8f789c
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc000214480?, 0xc000a76008)
	pkg/sentry/kernel/task_run.go:290 +0xaa5 fp=0xc00090bf30 sp=0xc00090be28 pc=0xa6dec5
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc000a76008, 0xc)
	pkg/sentry/kernel/task_run.go:97 +0x214 fp=0xc00090bfc0 sp=0xc00090bf30 pc=0xa6cd94
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1()
	pkg/sentry/kernel/task_start.go:412 +0x25 fp=0xc00090bfe0 sp=0xc00090bfc0 pc=0xa76965
runtime.goexit({})
	src/runtime/asm_amd64.s:1700 +0x1 fp=0xc00090bfe8 sp=0xc00090bfe0 pc=0x47d1a1
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 264
	pkg/sentry/kernel/task_start.go:412 +0xc5

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=0x8e826b]

goroutine 338 gp=0xc000a521c0 m=20 mp=0xc000798008 [running]:
panic({0x11ca020?, 0x20e8b70?})
	bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x168 fp=0xc00090b828 sp=0xc00090b778 pc=0x4740c8
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=0xc00090b888 sp=0xc00090b828 pc=0x4767f9
gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).getPMAsInternalLocked(0xc000a54008, {0x15cf8e0, 0xc000a76008}, {0xc000a33b08?, 0xc000a33b08?}, {0xc000a1c7e0?, 0x1c00090bd80?}, {0x1, 0x0, 0x0}, ...)
	pkg/sentry/mm/pma.go:368 +0x21cb fp=0xc00090bcf0 sp=0xc00090b888 pc=0x8e826b
gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).getPMAsLocked(0xc000a54008, {0x15cf8e0?, 0xc000a76008?}, {0xc000a33b08?, 0xc000a54008?}, {0xc000a08d20?, 0x400000000000?}, {0x1, 0x0, 0x0}, ...)
	pkg/sentry/mm/pma.go:131 +0xb7 fp=0xc00090bd80 sp=0xc00090bcf0 pc=0x8e5ad7
gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).HandleUserFault(0xc000a54008, {0x15cf8e0, 0xc000a76008}, 0x15c9770?, {0x8?, 0x40?, 0xa5?}, 0xc000a08d20?)
	pkg/sentry/mm/syscalls.go:57 +0x15c fp=0xc00090be28 sp=0xc00090bd80 pc=0x8f789c
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc000214480?, 0xc000a76008)
	pkg/sentry/kernel/task_run.go:290 +0xaa5 fp=0xc00090bf30 sp=0xc00090be28 pc=0xa6dec5
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc000a76008, 0xc)
	pkg/sentry/kernel/task_run.go:97 +0x214 fp=0xc00090bfc0 sp=0xc00090bf30 pc=0xa6cd94
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1()
	pkg/sentry/kernel/task_start.go:412 +0x25 fp=0xc00090bfe0 sp=0xc00090bfc0 pc=0xa76965
runtime.goexit({})
	src/runtime/asm_amd64.s:1700 +0x1 fp=0xc00090bfe8 sp=0xc00090bfe0 pc=0x47d1a1
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 264
	pkg/sentry/kernel/task_start.go:412 +0xc5