DATA RACE in stack.(*PacketBuffer).reset (2)

Kernel	Title	Rank 🛈	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
gvisor	DATA RACE in stack.(*PacketBuffer).reset	-1				9	1521d	1521d	14/26	fixed on 2021/11/11 02:22

WARNING: DATA RACE
Write at 0x00c006d12298 by goroutine 1107:
  gvisor.dev/gvisor/pkg/tcpip/stack.(*PacketBuffer).reset()
      pkg/tcpip/stack/packet_buffer.go:205 +0x78
  gvisor.dev/gvisor/pkg/tcpip/stack.NewPacketBuffer()
      pkg/tcpip/stack/packet_buffer.go:171 +0x66
  gvisor.dev/gvisor/pkg/tcpip/transport/raw.(*endpoint).write()
      pkg/tcpip/transport/raw/endpoint.go:323 +0x575
  gvisor.dev/gvisor/pkg/tcpip/transport/raw.(*endpoint).Write()
      pkg/tcpip/transport/raw/endpoint.go:276 +0xd4
  gvisor.dev/gvisor/pkg/sentry/socket/netstack.(*socketOpsCommon).SendMsg()
      pkg/sentry/socket/netstack/netstack.go:3051 +0x2d3
  gvisor.dev/gvisor/pkg/sentry/socket/netstack.(*SocketVFS2).SendMsg()
      <autogenerated>:1 +0x19d
  gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.sendSingleMsg()
      pkg/sentry/syscalls/linux/vfs2/socket.go:1112 +0x594
  gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.SendMMsg()
      pkg/sentry/syscalls/linux/vfs2/socket.go:1036 +0x324
  gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall()
      pkg/sentry/kernel/task_syscall.go:103 +0x194
  gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke()
      pkg/sentry/kernel/task_syscall.go:238 +0xb3
  gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter()
      pkg/sentry/kernel/task_syscall.go:198 +0x10e
  gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall()
      pkg/sentry/kernel/task_syscall.go:173 +0x213
  gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute()
      pkg/sentry/kernel/task_run.go:282 +0x1346
  gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run()
      pkg/sentry/kernel/task_run.go:97 +0x352

Previous read at 0x00c006d12298 by goroutine 1010:
  [failed to restore the stack]

Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Assets (help?)	Manager	Title
2022/01/08 01:42	gvisor	f2a57c9dac27	2ca0d385	.config	console log	report	syz				ci-gvisor-ptrace-1-race	DATA RACE in stack.(*PacketBuffer).reset
2022/01/08 01:03	gvisor	f2a57c9dac27	2ca0d385	.config	console log	report	syz				ci-gvisor-ptrace-2-race	DATA RACE in stack.(*PacketBuffer).reset