panic: runtime error: invalid memory address or nil pointer dereference [signal SIGSEGV: segmentation violation code=0x1 addr=0x40 pc=0x95dd7d] goroutine 234 gp=0xc000b401c0 m=13 mp=0xc000683808 [running]: panic({0x12ed300?, 0x23f8fd0?}) bazel-out/k8-fastbuild/bin/external/io_bazel_rules_go/stdlib_/src/runtime/panic.go:804 +0x168 fp=0xc000b43890 sp=0xc000b437e0 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=0xc000b438f0 sp=0xc000b43890 pc=0x4767f9 gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).getPMAsInternalLocked(0xc000b56008, {0x171fda0, 0xc0009ba588}, {0xc000a50408?, 0xc000b43d70?}, {0x97c213?, 0xc000a50408?}, {0x1, 0x0, 0x0}, ...) pkg/sentry/mm/pma.go:368 +0x22dd fp=0xc000b43ce0 sp=0xc000b438f0 pc=0x95dd7d gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).getPMAsLocked(0xc000b56008, {0x171fda0?, 0xc0009ba588?}, {0xc000a50408?, 0xc0009ba588?}, {0x1719eb0?, 0xc000b56008?}, {0x1, 0x0, 0x0}, ...) pkg/sentry/mm/pma.go:131 +0x125 fp=0xc000b43d80 sp=0xc000b43ce0 pc=0x95b465 gvisor.dev/gvisor/pkg/sentry/mm.(*MemoryManager).HandleUserFault(0xc000b56008, {0x171fda0, 0xc0009ba588}, 0x1719eb0?, {0x8?, 0x60?, 0xb5?}, 0xc000b541e0?) pkg/sentry/mm/syscalls.go:57 +0x1a9 fp=0xc000b43e28 sp=0xc000b43d80 pc=0x970be9 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0xc0002c4360?, 0xc0009ba588) pkg/sentry/kernel/task_run.go:290 +0xdf3 fp=0xc000b43f38 sp=0xc000b43e28 pc=0xb134d3 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0009ba588, 0xb) pkg/sentry/kernel/task_run.go:97 +0x27d fp=0xc000b43fc0 sp=0xc000b43f38 pc=0xb1201d gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1() pkg/sentry/kernel/task_start.go:412 +0x25 fp=0xc000b43fe0 sp=0xc000b43fc0 pc=0xb1da45 runtime.goexit({}) src/runtime/asm_amd64.s:1700 +0x1 fp=0xc000b43fe8 sp=0xc000b43fe0 pc=0x47d1a1 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 322 pkg/sentry/kernel/task_start.go:412 +0xd9