==================
WARNING: DATA RACE
Read at 0x00c000200228 by goroutine 15:
  bytes.(*Buffer).String()
      /usr/lib/go-1.22/src/bytes/buffer.go:71 +0x3a4
  github.com/containers/storage/pkg/unshare.TestUnshareOOMScoreAdj()
      /home/hanwen/vc/containers/storage/pkg/unshare/unshare_test.go:192 +0x397
  testing.tRunner()
      /usr/lib/go-1.22/src/testing/testing.go:1689 +0x21e
  testing.(*T).Run.gowrap1()
      /usr/lib/go-1.22/src/testing/testing.go:1742 +0x44

Previous write at 0x00c000200228 by goroutine 16:
  bytes.(*Buffer).grow()
      /usr/lib/go-1.22/src/bytes/buffer.go:154 +0x3bd
  bytes.(*Buffer).ReadFrom()
      /usr/lib/go-1.22/src/bytes/buffer.go:209 +0x65
  io.copyBuffer()
      /usr/lib/go-1.22/src/io/io.go:415 +0x22e
  io.Copy()
      /usr/lib/go-1.22/src/io/io.go:388 +0x6f
  os.genericWriteTo()
      /usr/lib/go-1.22/src/os/file.go:269 +0x12
  os.(*File).WriteTo()
      /usr/lib/go-1.22/src/os/file.go:247 +0xd4
  io.copyBuffer()
      /usr/lib/go-1.22/src/io/io.go:411 +0xd3
  io.Copy()
      /usr/lib/go-1.22/src/io/io.go:388 +0x5a
  os/exec.(*Cmd).writerDescriptor.func1()
      /usr/lib/go-1.22/src/os/exec/exec.go:577 +0x37
  os/exec.(*Cmd).Start.func2()
      /usr/lib/go-1.22/src/os/exec/exec.go:724 +0x3c
  os/exec.(*Cmd).Start.gowrap1()
      /usr/lib/go-1.22/src/os/exec/exec.go:736 +0x41

Goroutine 15 (running) created at:
  testing.(*T).Run()
      /usr/lib/go-1.22/src/testing/testing.go:1742 +0x825
  testing.runTests.func1()
      /usr/lib/go-1.22/src/testing/testing.go:2161 +0x85
  testing.tRunner()
      /usr/lib/go-1.22/src/testing/testing.go:1689 +0x21e
  testing.runTests()
      /usr/lib/go-1.22/src/testing/testing.go:2159 +0x8be
  testing.(*M).Run()
      /usr/lib/go-1.22/src/testing/testing.go:2027 +0xf17
  github.com/containers/storage/pkg/unshare.TestMain()
      /home/hanwen/vc/containers/storage/pkg/unshare/unshare_test.go:24 +0xe4
  main.main()
      _testmain.go:57 +0x2d4

Goroutine 16 (running) created at:
  os/exec.(*Cmd).Start()
      /usr/lib/go-1.22/src/os/exec/exec.go:723 +0x11c4
  github.com/containers/storage/pkg/unshare.(*Cmd).Start()
      /home/hanwen/vc/containers/storage/pkg/unshare/unshare_linux.go:165 +0x1a96
  github.com/containers/storage/pkg/unshare.(*Cmd).Run()
      /home/hanwen/vc/containers/storage/pkg/unshare/unshare_linux.go:364 +0x26
  github.com/containers/storage/pkg/unshare.TestUnshareOOMScoreAdj()
      /home/hanwen/vc/containers/storage/pkg/unshare/unshare_test.go:190 +0x364
  testing.tRunner()
      /usr/lib/go-1.22/src/testing/testing.go:1689 +0x21e
  testing.(*T).Run.gowrap1()
      /usr/lib/go-1.22/src/testing/testing.go:1742 +0x44
==================
==================
WARNING: DATA RACE
Read at 0x00c000200210 by goroutine 15:
  bytes.(*Buffer).String()
      /usr/lib/go-1.22/src/bytes/buffer.go:71 +0x3ba
  github.com/containers/storage/pkg/unshare.TestUnshareOOMScoreAdj()
      /home/hanwen/vc/containers/storage/pkg/unshare/unshare_test.go:192 +0x397
  testing.tRunner()
      /usr/lib/go-1.22/src/testing/testing.go:1689 +0x21e
  testing.(*T).Run.gowrap1()
      /usr/lib/go-1.22/src/testing/testing.go:1742 +0x44

Previous write at 0x00c000200210 by goroutine 16:
  bytes.(*Buffer).grow()
      /usr/lib/go-1.22/src/bytes/buffer.go:151 +0x2d3
  bytes.(*Buffer).ReadFrom()
      /usr/lib/go-1.22/src/bytes/buffer.go:209 +0x65
  io.copyBuffer()
      /usr/lib/go-1.22/src/io/io.go:415 +0x22e
  io.Copy()
      /usr/lib/go-1.22/src/io/io.go:388 +0x6f
  os.genericWriteTo()
      /usr/lib/go-1.22/src/os/file.go:269 +0x12
  os.(*File).WriteTo()
      /usr/lib/go-1.22/src/os/file.go:247 +0xd4
  io.copyBuffer()
      /usr/lib/go-1.22/src/io/io.go:411 +0xd3
  io.Copy()
      /usr/lib/go-1.22/src/io/io.go:388 +0x5a
  os/exec.(*Cmd).writerDescriptor.func1()
      /usr/lib/go-1.22/src/os/exec/exec.go:577 +0x37
  os/exec.(*Cmd).Start.func2()
      /usr/lib/go-1.22/src/os/exec/exec.go:724 +0x3c
  os/exec.(*Cmd).Start.gowrap1()
      /usr/lib/go-1.22/src/os/exec/exec.go:736 +0x41

Goroutine 15 (running) created at:
  testing.(*T).Run()
      /usr/lib/go-1.22/src/testing/testing.go:1742 +0x825
  testing.runTests.func1()
      /usr/lib/go-1.22/src/testing/testing.go:2161 +0x85
  testing.tRunner()
      /usr/lib/go-1.22/src/testing/testing.go:1689 +0x21e
  testing.runTests()
      /usr/lib/go-1.22/src/testing/testing.go:2159 +0x8be
  testing.(*M).Run()
      /usr/lib/go-1.22/src/testing/testing.go:2027 +0xf17
  github.com/containers/storage/pkg/unshare.TestMain()
      /home/hanwen/vc/containers/storage/pkg/unshare/unshare_test.go:24 +0xe4
  main.main()
      _testmain.go:57 +0x2d4

Goroutine 16 (running) created at:
  os/exec.(*Cmd).Start()
      /usr/lib/go-1.22/src/os/exec/exec.go:723 +0x11c4
  github.com/containers/storage/pkg/unshare.(*Cmd).Start()
      /home/hanwen/vc/containers/storage/pkg/unshare/unshare_linux.go:165 +0x1a96
  github.com/containers/storage/pkg/unshare.(*Cmd).Run()
      /home/hanwen/vc/containers/storage/pkg/unshare/unshare_linux.go:364 +0x26
  github.com/containers/storage/pkg/unshare.TestUnshareOOMScoreAdj()
      /home/hanwen/vc/containers/storage/pkg/unshare/unshare_test.go:190 +0x364
  testing.tRunner()
      /usr/lib/go-1.22/src/testing/testing.go:1689 +0x21e
  testing.(*T).Run.gowrap1()
      /usr/lib/go-1.22/src/testing/testing.go:1742 +0x44
==================
--- FAIL: TestUnshareOOMScoreAdj (0.00s)
    unshare_test.go:192: run: writing "824633803720" to /proc/501754/oom_score_adj: write /proc/501754/oom_score_adj: permission denied: 
    testing.go:1398: race detected during execution of test