Extracting prog: 23.89346521s Minimizing prog: 4m12.625504365s Simplifying prog options: 0s Extracting C: 11.400031789s Simplifying C: 1m4.259220166s 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 5m52.178238842s 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 278 gp=0xc00063c8c0 m=9 mp=0xc0003fce08 [running]: panic({0x11c90c0?, 0x20e7b70?}) bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x168 fp=0xc0009b5828 sp=0xc0009b5778 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=0xc0009b5888 sp=0xc0009b5828 pc=0x4767f9 gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).getPMAsInternalLocked(0xc0005f9008, {0x15ce960, 0xc000632c88}, {0xc0008ea908?, 0xc0008ea908?}, {0x1000000?, 0x10000008dd320?}, {0x0, 0x1, 0x0}, ...) pkg/sentry/mm/pma.go:368 +0x21cb fp=0xc0009b5cf0 sp=0xc0009b5888 pc=0x8e826b gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).getPMAsLocked(0xc0005f9008, {0x15ce960?, 0xc000632c88?}, {0xc0008ea908?, 0xc000433ea8?}, {0xc0009b5e18?, 0xe50a88?}, {0x0, 0x1, 0x0}, ...) pkg/sentry/mm/pma.go:131 +0xb7 fp=0xc0009b5d80 sp=0xc0009b5cf0 pc=0x8e5ad7 gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).HandleUserFault(0xc0005f9008, {0x15ce960, 0xc000632c88}, 0x15c87f0?, {0x8?, 0x90?, 0x5f?}, 0xc000a20000?) pkg/sentry/mm/syscalls.go:57 +0x15c fp=0xc0009b5e28 sp=0xc0009b5d80 pc=0x8f789c gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc0008ca090?, 0xc000632c88) pkg/sentry/kernel/task_run.go:290 +0xaa5 fp=0xc0009b5f30 sp=0xc0009b5e28 pc=0xa6dec5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc000632c88, 0xc) pkg/sentry/kernel/task_run.go:97 +0x214 fp=0xc0009b5fc0 sp=0xc0009b5f30 pc=0xa6cd94 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1() pkg/sentry/kernel/task_start.go:412 +0x25 fp=0xc0009b5fe0 sp=0xc0009b5fc0 pc=0xa76965 runtime.goexit({}) src/runtime/asm_amd64.s:1700 +0x1 fp=0xc0009b5fe8 sp=0xc0009b5fe0 pc=0x47d1a1 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 292 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 278 gp=0xc00063c8c0 m=9 mp=0xc0003fce08 [running]: panic({0x11c90c0?, 0x20e7b70?}) bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x168 fp=0xc0009b5828 sp=0xc0009b5778 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=0xc0009b5888 sp=0xc0009b5828 pc=0x4767f9 gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).getPMAsInternalLocked(0xc0005f9008, {0x15ce960, 0xc000632c88}, {0xc0008ea908?, 0xc0008ea908?}, {0x1000000?, 0x10000008dd320?}, {0x0, 0x1, 0x0}, ...) pkg/sentry/mm/pma.go:368 +0x21cb fp=0xc0009b5cf0 sp=0xc0009b5888 pc=0x8e826b gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).getPMAsLocked(0xc0005f9008, {0x15ce960?, 0xc000632c88?}, {0xc0008ea908?, 0xc000433ea8?}, {0xc0009b5e18?, 0xe50a88?}, {0x0, 0x1, 0x0}, ...) pkg/sentry/mm/pma.go:131 +0xb7 fp=0xc0009b5d80 sp=0xc0009b5cf0 pc=0x8e5ad7 gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).HandleUserFault(0xc0005f9008, {0x15ce960, 0xc000632c88}, 0x15c87f0?, {0x8?, 0x90?, 0x5f?}, 0xc000a20000?) pkg/sentry/mm/syscalls.go:57 +0x15c fp=0xc0009b5e28 sp=0xc0009b5d80 pc=0x8f789c gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc0008ca090?, 0xc000632c88) pkg/sentry/kernel/task_run.go:290 +0xaa5 fp=0xc0009b5f30 sp=0xc0009b5e28 pc=0xa6dec5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc000632c88, 0xc) pkg/sentry/kernel/task_run.go:97 +0x214 fp=0xc0009b5fc0 sp=0xc0009b5f30 pc=0xa6cd94 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1() pkg/sentry/kernel/task_start.go:412 +0x25 fp=0xc0009b5fe0 sp=0xc0009b5fc0 pc=0xa76965 runtime.goexit({}) src/runtime/asm_amd64.s:1700 +0x1 fp=0xc0009b5fe8 sp=0xc0009b5fe0 pc=0x47d1a1 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 292 pkg/sentry/kernel/task_start.go:412 +0xc5