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

goroutine 618 gp=0xc000eb0a80 m=23 mp=0xc00107b008 [running]:
panic({0x24913e0?, 0x38cda50?})
	/syzkaller/.cache/bazel/_bazel_root/f7703b114ac438908ec6c9b5d03b6a0a/sandbox/linux-sandbox/23/execroot/_main/go/src/runtime/panic.go:802 +0x168 fp=0xc001493c68 sp=0xc001493bb8 pc=0x4bc328
runtime.panicmem(...)
	/syzkaller/.cache/bazel/_bazel_root/f7703b114ac438908ec6c9b5d03b6a0a/sandbox/linux-sandbox/23/execroot/_main/go/src/runtime/panic.go:262
runtime.sigpanic()
	/syzkaller/.cache/bazel/_bazel_root/f7703b114ac438908ec6c9b5d03b6a0a/sandbox/linux-sandbox/23/execroot/_main/go/src/runtime/signal_unix.go:925 +0x359 fp=0xc001493cc8 sp=0xc001493c68 pc=0x4bf2b9
gvisor.dev/gvisor/pkg/sentry/kernel.(*FSContext).DecRef(...)
	/syzkaller/.cache/bazel/_bazel_root/f7703b114ac438908ec6c9b5d03b6a0a/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(0xc000954c88?, 0xc000954c88)
	/syzkaller/.cache/bazel/_bazel_root/f7703b114ac438908ec6c9b5d03b6a0a/sandbox/linux-sandbox/23/execroot/_main/gopath/src/gvisor.dev/gvisor/pkg/sentry/kernel/task_exit.go:300 +0xb4c fp=0xc001493e68 sp=0xc001493cc8 pc=0x13d0acc
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc000954c88, 0x4e)
	/syzkaller/.cache/bazel/_bazel_root/f7703b114ac438908ec6c9b5d03b6a0a/sandbox/linux-sandbox/23/execroot/_main/gopath/src/gvisor.dev/gvisor/pkg/sentry/kernel/task_run.go:89 +0x6e7 fp=0xc001493fb0 sp=0xc001493e68 pc=0x13ec587
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1()
	/syzkaller/.cache/bazel/_bazel_root/f7703b114ac438908ec6c9b5d03b6a0a/sandbox/linux-sandbox/23/execroot/_main/gopath/src/gvisor.dev/gvisor/pkg/sentry/kernel/task_start.go:416 +0x45 fp=0xc001493fe0 sp=0xc001493fb0 pc=0x1408545
runtime.goexit({})
	/syzkaller/.cache/bazel/_bazel_root/f7703b114ac438908ec6c9b5d03b6a0a/sandbox/linux-sandbox/23/execroot/_main/go/src/runtime/asm_amd64.s:1693 +0x1 fp=0xc001493fe8 sp=0xc001493fe0 pc=0x4c5b81
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 537
	/syzkaller/.cache/bazel/_bazel_root/f7703b114ac438908ec6c9b5d03b6a0a/sandbox/linux-sandbox/23/execroot/_main/gopath/src/gvisor.dev/gvisor/pkg/sentry/kernel/task_start.go:416 +0x1be