panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0xe07e2f]

goroutine 8007 gp=0xc0014c3340 m=0 mp=0x2cc75e0 [running]:
panic({0x194c0c0?, 0x2c93390?})
	/syzkaller/.cache/bazel/_bazel_root/8c3527d6b90f1bcab77f0f2b1b1fec96/sandbox/linux-sandbox/23/execroot/_main/go/src/runtime/panic.go:802 +0x168 fp=0xc000affdd0 sp=0xc000affd20 pc=0x480428
runtime.panicmem(...)
	/syzkaller/.cache/bazel/_bazel_root/8c3527d6b90f1bcab77f0f2b1b1fec96/sandbox/linux-sandbox/23/execroot/_main/go/src/runtime/panic.go:262
runtime.sigpanic()
	/syzkaller/.cache/bazel/_bazel_root/8c3527d6b90f1bcab77f0f2b1b1fec96/sandbox/linux-sandbox/23/execroot/_main/go/src/runtime/signal_unix.go:925 +0x359 fp=0xc000affe30 sp=0xc000affdd0 pc=0x482fd9
gvisor.dev/gvisor/pkg/sentry/kernel.(*FSContext).DecRef(...)
	/syzkaller/.cache/bazel/_bazel_root/8c3527d6b90f1bcab77f0f2b1b1fec96/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(0xc00116f5f0?, 0xc00114c588)
	/syzkaller/.cache/bazel/_bazel_root/8c3527d6b90f1bcab77f0f2b1b1fec96/sandbox/linux-sandbox/23/execroot/_main/gopath/src/gvisor.dev/gvisor/pkg/sentry/kernel/task_exit.go:300 +0x7cf fp=0xc000afff30 sp=0xc000affe30 pc=0xe07e2f
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc00114c588, 0x930)
	/syzkaller/.cache/bazel/_bazel_root/8c3527d6b90f1bcab77f0f2b1b1fec96/sandbox/linux-sandbox/23/execroot/_main/gopath/src/gvisor.dev/gvisor/pkg/sentry/kernel/task_run.go:89 +0x3de fp=0xc000afffc0 sp=0xc000afff30 pc=0xe1b73e
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1()
	/syzkaller/.cache/bazel/_bazel_root/8c3527d6b90f1bcab77f0f2b1b1fec96/sandbox/linux-sandbox/23/execroot/_main/gopath/src/gvisor.dev/gvisor/pkg/sentry/kernel/task_start.go:416 +0x25 fp=0xc000afffe0 sp=0xc000afffc0 pc=0xe2de25
runtime.goexit({})
	/syzkaller/.cache/bazel/_bazel_root/8c3527d6b90f1bcab77f0f2b1b1fec96/sandbox/linux-sandbox/23/execroot/_main/go/src/runtime/asm_amd64.s:1693 +0x1 fp=0xc000afffe8 sp=0xc000afffe0 pc=0x4896c1
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 7963
	/syzkaller/.cache/bazel/_bazel_root/8c3527d6b90f1bcab77f0f2b1b1fec96/sandbox/linux-sandbox/23/execroot/_main/gopath/src/gvisor.dev/gvisor/pkg/sentry/kernel/task_start.go:416 +0x110