panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0x13d0acc]

goroutine 363 gp=0xc000bb9a40 m=21 mp=0xc000e8e808 [running]:
panic({0x24913e0?, 0x38cda50?})
	/syzkaller/.cache/bazel/_bazel_root/09bcf4ef817668e954f893a8f54286a0/sandbox/linux-sandbox/23/execroot/_main/go/src/runtime/panic.go:802 +0x168 fp=0xc000c7bc68 sp=0xc000c7bbb8 pc=0x4bc328
runtime.panicmem(...)
	/syzkaller/.cache/bazel/_bazel_root/09bcf4ef817668e954f893a8f54286a0/sandbox/linux-sandbox/23/execroot/_main/go/src/runtime/panic.go:262
runtime.sigpanic()
	/syzkaller/.cache/bazel/_bazel_root/09bcf4ef817668e954f893a8f54286a0/sandbox/linux-sandbox/23/execroot/_main/go/src/runtime/signal_unix.go:925 +0x359 fp=0xc000c7bcc8 sp=0xc000c7bc68 pc=0x4bf2b9
gvisor.dev/gvisor/pkg/sentry/kernel.(*FSContext).DecRef(...)
	/syzkaller/.cache/bazel/_bazel_root/09bcf4ef817668e954f893a8f54286a0/sandbox/linux-sandbox/23/execroot/_main/gopath/src/gvisor.dev/gvisor/pkg/sentry/kernel/fs_context.go:88
gvisor.dev/gvisor/pkg/sentry/kernel.(*runExitMain).execute(0xc000fc6588?, 0xc000fc6588)
	/syzkaller/.cache/bazel/_bazel_root/09bcf4ef817668e954f893a8f54286a0/sandbox/linux-sandbox/23/execroot/_main/gopath/src/gvisor.dev/gvisor/pkg/sentry/kernel/task_exit.go:300 +0xb4c fp=0xc000c7be68 sp=0xc000c7bcc8 pc=0x13d0acc
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc000fc6588, 0x4c)
	/syzkaller/.cache/bazel/_bazel_root/09bcf4ef817668e954f893a8f54286a0/sandbox/linux-sandbox/23/execroot/_main/gopath/src/gvisor.dev/gvisor/pkg/sentry/kernel/task_run.go:89 +0x6e7 fp=0xc000c7bfb0 sp=0xc000c7be68 pc=0x13ec587
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1()
	/syzkaller/.cache/bazel/_bazel_root/09bcf4ef817668e954f893a8f54286a0/sandbox/linux-sandbox/23/execroot/_main/gopath/src/gvisor.dev/gvisor/pkg/sentry/kernel/task_start.go:416 +0x45 fp=0xc000c7bfe0 sp=0xc000c7bfb0 pc=0x1408545
runtime.goexit({})
	/syzkaller/.cache/bazel/_bazel_root/09bcf4ef817668e954f893a8f54286a0/sandbox/linux-sandbox/23/execroot/_main/go/src/runtime/asm_amd64.s:1693 +0x1 fp=0xc000c7bfe8 sp=0xc000c7bfe0 pc=0x4c5b81
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 384
	/syzkaller/.cache/bazel/_bazel_root/09bcf4ef817668e954f893a8f54286a0/sandbox/linux-sandbox/23/execroot/_main/gopath/src/gvisor.dev/gvisor/pkg/sentry/kernel/task_start.go:416 +0x1be