panic: runtime error: invalid memory address or nil pointer dereference [signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0xe07e2f] goroutine 1013 gp=0xc000eb7340 m=10 mp=0xc000101008 [running]: panic({0x194c0c0?, 0x2c93390?}) /syzkaller/.cache/bazel/_bazel_root/e46b623d9124efeebe6def9c4e64353e/sandbox/linux-sandbox/23/execroot/_main/go/src/runtime/panic.go:802 +0x168 fp=0xc0005e1dd0 sp=0xc0005e1d20 pc=0x480428 runtime.panicmem(...) /syzkaller/.cache/bazel/_bazel_root/e46b623d9124efeebe6def9c4e64353e/sandbox/linux-sandbox/23/execroot/_main/go/src/runtime/panic.go:262 runtime.sigpanic() /syzkaller/.cache/bazel/_bazel_root/e46b623d9124efeebe6def9c4e64353e/sandbox/linux-sandbox/23/execroot/_main/go/src/runtime/signal_unix.go:925 +0x359 fp=0xc0005e1e30 sp=0xc0005e1dd0 pc=0x482fd9 gvisor.dev/gvisor/pkg/sentry/kernel.(*FSContext).DecRef(...) /syzkaller/.cache/bazel/_bazel_root/e46b623d9124efeebe6def9c4e64353e/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(0xc0005f0480?, 0xc0010b7208) /syzkaller/.cache/bazel/_bazel_root/e46b623d9124efeebe6def9c4e64353e/sandbox/linux-sandbox/23/execroot/_main/gopath/src/gvisor.dev/gvisor/pkg/sentry/kernel/task_exit.go:300 +0x7cf fp=0xc0005e1f30 sp=0xc0005e1e30 pc=0xe07e2f gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0010b7208, 0x5e) /syzkaller/.cache/bazel/_bazel_root/e46b623d9124efeebe6def9c4e64353e/sandbox/linux-sandbox/23/execroot/_main/gopath/src/gvisor.dev/gvisor/pkg/sentry/kernel/task_run.go:89 +0x3de fp=0xc0005e1fc0 sp=0xc0005e1f30 pc=0xe1b73e gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1() /syzkaller/.cache/bazel/_bazel_root/e46b623d9124efeebe6def9c4e64353e/sandbox/linux-sandbox/23/execroot/_main/gopath/src/gvisor.dev/gvisor/pkg/sentry/kernel/task_start.go:416 +0x25 fp=0xc0005e1fe0 sp=0xc0005e1fc0 pc=0xe2de25 runtime.goexit({}) /syzkaller/.cache/bazel/_bazel_root/e46b623d9124efeebe6def9c4e64353e/sandbox/linux-sandbox/23/execroot/_main/go/src/runtime/asm_amd64.s:1693 +0x1 fp=0xc0005e1fe8 sp=0xc0005e1fe0 pc=0x4896c1 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 980 /syzkaller/.cache/bazel/_bazel_root/e46b623d9124efeebe6def9c4e64353e/sandbox/linux-sandbox/23/execroot/_main/gopath/src/gvisor.dev/gvisor/pkg/sentry/kernel/task_start.go:416 +0x110