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

goroutine 11781 gp=0xc000a8d340 m=18 mp=0xc000c84008 [running]:
panic({0x194c0c0?, 0x2c93390?})
	/syzkaller/.cache/bazel/_bazel_root/2f58b38ac247e3234b86a56ede3d9539/sandbox/linux-sandbox/23/execroot/_main/go/src/runtime/panic.go:802 +0x168 fp=0xc000c99dd0 sp=0xc000c99d20 pc=0x480428
runtime.panicmem(...)
	/syzkaller/.cache/bazel/_bazel_root/2f58b38ac247e3234b86a56ede3d9539/sandbox/linux-sandbox/23/execroot/_main/go/src/runtime/panic.go:262
runtime.sigpanic()
	/syzkaller/.cache/bazel/_bazel_root/2f58b38ac247e3234b86a56ede3d9539/sandbox/linux-sandbox/23/execroot/_main/go/src/runtime/signal_unix.go:925 +0x359 fp=0xc000c99e30 sp=0xc000c99dd0 pc=0x482fd9
gvisor.dev/gvisor/pkg/sentry/kernel.(*FSContext).DecRef(...)
	/syzkaller/.cache/bazel/_bazel_root/2f58b38ac247e3234b86a56ede3d9539/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(0xc000179710?, 0xc00142d908)
	/syzkaller/.cache/bazel/_bazel_root/2f58b38ac247e3234b86a56ede3d9539/sandbox/linux-sandbox/23/execroot/_main/gopath/src/gvisor.dev/gvisor/pkg/sentry/kernel/task_exit.go:300 +0x7cf fp=0xc000c99f30 sp=0xc000c99e30 pc=0xe07e2f
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc00142d908, 0xc40)
	/syzkaller/.cache/bazel/_bazel_root/2f58b38ac247e3234b86a56ede3d9539/sandbox/linux-sandbox/23/execroot/_main/gopath/src/gvisor.dev/gvisor/pkg/sentry/kernel/task_run.go:89 +0x3de fp=0xc000c99fc0 sp=0xc000c99f30 pc=0xe1b73e
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1()
	/syzkaller/.cache/bazel/_bazel_root/2f58b38ac247e3234b86a56ede3d9539/sandbox/linux-sandbox/23/execroot/_main/gopath/src/gvisor.dev/gvisor/pkg/sentry/kernel/task_start.go:416 +0x25 fp=0xc000c99fe0 sp=0xc000c99fc0 pc=0xe2de25
runtime.goexit({})
	/syzkaller/.cache/bazel/_bazel_root/2f58b38ac247e3234b86a56ede3d9539/sandbox/linux-sandbox/23/execroot/_main/go/src/runtime/asm_amd64.s:1693 +0x1 fp=0xc000c99fe8 sp=0xc000c99fe0 pc=0x4896c1
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 11811
	/syzkaller/.cache/bazel/_bazel_root/2f58b38ac247e3234b86a56ede3d9539/sandbox/linux-sandbox/23/execroot/_main/gopath/src/gvisor.dev/gvisor/pkg/sentry/kernel/task_start.go:416 +0x110