I0624 20:43:18.368979 48940 x:0] CalibratedClock(Monotonic): ready I0624 20:43:18.369268 48940 x:0] CalibratedClock(Realtime): ready I0624 20:44:02.473925 48940 x:0] Watchdog starting loop, tasks: 6, discount: 0s I0624 20:44:17.426535 54920 x:0] *************************** I0624 20:44:17.426696 54920 x:0] Args: [/syzkaller/managers/ptrace-proxy-sandbox-race/current/image -root /syzkaller/managers/ptrace-proxy-sandbox-race/workdir/gvisor_root -network=none -platform=ptrace -file-access=proxy -network=sandbox exec -user=0:0 -cap CAP_CHOWN -cap CAP_DAC_OVERRIDE -cap CAP_DAC_READ_SEARCH -cap CAP_FOWNER -cap CAP_FSETID -cap CAP_KILL -cap CAP_SETGID -cap CAP_SETUID -cap CAP_SETPCAP -cap CAP_LINUX_IMMUTABLE -cap CAP_NET_BIND_SERVICE -cap CAP_NET_BROADCAST -cap CAP_NET_ADMIN -cap CAP_NET_RAW -cap CAP_IPC_LOCK -cap CAP_IPC_OWNER -cap CAP_SYS_MODULE -cap CAP_SYS_RAWIO -cap CAP_SYS_CHROOT -cap CAP_SYS_PTRACE -cap CAP_SYS_PACCT -cap CAP_SYS_ADMIN -cap CAP_SYS_BOOT -cap CAP_SYS_NICE -cap CAP_SYS_RESOURCE -cap CAP_SYS_TIME -cap CAP_SYS_TTY_CONFIG -cap CAP_MKNOD -cap CAP_LEASE -cap CAP_AUDIT_WRITE -cap CAP_AUDIT_CONTROL -cap CAP_SETFCAP -cap CAP_MAC_OVERRIDE -cap CAP_MAC_ADMIN -cap CAP_SYSLOG -cap CAP_WAKE_ALARM -cap CAP_BLOCK_SUSPEND -cap CAP_AUDIT_READ ci-gvisor-ptrace-proxy-sandbox-race-3 /syz-executor529996557] I0624 20:44:17.426948 54920 x:0] Git Revision: 60dbbdc2d54bb52ad36234a843c1aaeec2650aa1 I0624 20:44:17.426971 54920 x:0] PID: 54920 I0624 20:44:17.426991 54920 x:0] UID: 0, GID: 0 I0624 20:44:17.427009 54920 x:0] Configuration: I0624 20:44:17.427027 54920 x:0] RootDir: /syzkaller/managers/ptrace-proxy-sandbox-race/workdir/gvisor_root I0624 20:44:17.427043 54920 x:0] Platform: ptrace I0624 20:44:17.427110 54920 x:0] FileAccess: proxy, overlay: false I0624 20:44:17.427148 54920 x:0] Network: sandbox, logging: false I0624 20:44:17.427192 54920 x:0] Strace: false, max size: 1024, syscalls: [] I0624 20:44:17.427234 54920 x:0] *************************** I0624 20:44:17.433044 48940 x:0] EXEC: [/syz-executor529996557] executing program ================== WARNING: DATA RACE Read at 0x00c420402160 by goroutine 126: gvisor.googlesource.com/gvisor/pkg/tcpip/transport/unix.(*streamQueueReceiver).RecvQueuedSize() pkg/tcpip/transport/queue/queue.go:160 +0x71 gvisor.googlesource.com/gvisor/pkg/tcpip/transport/unix.(*baseEndpoint).GetSockOpt() pkg/tcpip/transport/unix/unix.go:808 +0x6b6 gvisor.googlesource.com/gvisor/pkg/tcpip/transport/unix.(*connectionedEndpoint).GetSockOpt() :1 +0x57 gvisor.googlesource.com/gvisor/pkg/sentry/socket/epsocket.Ioctl() pkg/sentry/socket/epsocket/epsocket.go:1100 +0x3e1 gvisor.googlesource.com/gvisor/pkg/sentry/socket/unix.(*SocketOperations).Ioctl() pkg/sentry/socket/unix/unix.go:136 +0xea gvisor.googlesource.com/gvisor/pkg/sentry/syscalls/linux.Ioctl() pkg/sentry/syscalls/linux/sys_file.go:560 +0x1e4 gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).executeSyscall() pkg/sentry/kernel/task_syscall.go:162 +0x14e gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke() pkg/sentry/kernel/task_syscall.go:278 +0x7d gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter() pkg/sentry/kernel/task_syscall.go:241 +0xc3 gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).doSyscall() pkg/sentry/kernel/task_syscall.go:216 +0x19c gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*runApp).execute() pkg/sentry/kernel/task_run.go:217 +0x157c gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).run() pkg/sentry/kernel/task_run.go:95 +0x264 Previous write at 0x00c420402160 by goroutine 124: gvisor.googlesource.com/gvisor/pkg/tcpip/transport/queue.(*Queue).Enqueue() pkg/tcpip/transport/queue/queue.go:103 +0x164 gvisor.googlesource.com/gvisor/pkg/tcpip/transport/unix.(*connectedEndpoint).Send() pkg/tcpip/transport/unix/unix.go:611 +0x402 gvisor.googlesource.com/gvisor/pkg/tcpip/transport/unix.(*baseEndpoint).SendMsg() pkg/tcpip/transport/unix/unix.go:761 +0x183 gvisor.googlesource.com/gvisor/pkg/tcpip/transport/unix.(*connectionedEndpoint).SendMsg() pkg/tcpip/transport/unix/connectioned.go:405 +0xe6 gvisor.googlesource.com/gvisor/pkg/sentry/socket/unix.(*EndpointWriter).WriteFromBlocks.func1() pkg/sentry/socket/unix/io.go:41 +0xfe gvisor.googlesource.com/gvisor/pkg/sentry/safemem.FromVecWriterFunc.WriteFromBlocks() pkg/sentry/safemem/io.go:334 +0x3b5 gvisor.googlesource.com/gvisor/pkg/sentry/socket/unix.(*EndpointWriter).WriteFromBlocks() pkg/sentry/socket/unix/io.go:46 +0xcb gvisor.googlesource.com/gvisor/pkg/sentry/safemem.(Writer).WriteFromBlocks-fm() pkg/sentry/mm/io.go:309 +0x75 gvisor.googlesource.com/gvisor/pkg/sentry/mm.(*MemoryManager).withInternalMappings() pkg/sentry/mm/io.go:464 +0x88e gvisor.googlesource.com/gvisor/pkg/sentry/mm.(*MemoryManager).withVecInternalMappings() pkg/sentry/mm/io.go:533 +0x973 gvisor.googlesource.com/gvisor/pkg/sentry/mm.(*MemoryManager).CopyInTo() pkg/sentry/mm/io.go:309 +0x210 gvisor.googlesource.com/gvisor/pkg/sentry/usermem.IOSequence.CopyInTo() pkg/sentry/usermem/usermem.go:528 +0xce gvisor.googlesource.com/gvisor/pkg/sentry/socket/unix.(*SocketOperations).Write() pkg/sentry/socket/unix/unix.go:353 +0x29a gvisor.googlesource.com/gvisor/pkg/sentry/fs.(*File).Writev() pkg/sentry/fs/file.go:271 +0x1ba gvisor.googlesource.com/gvisor/pkg/sentry/syscalls/linux.writev() pkg/sentry/syscalls/linux/sys_write.go:191 +0xa1 gvisor.googlesource.com/gvisor/pkg/sentry/syscalls/linux.Writev() pkg/sentry/syscalls/linux/sys_write.go:144 +0x28c gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).executeSyscall() pkg/sentry/kernel/task_syscall.go:162 +0x14e gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke() pkg/sentry/kernel/task_syscall.go:278 +0x7d gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter() pkg/sentry/kernel/task_syscall.go:241 +0xc3 gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).doSyscall() pkg/sentry/kernel/task_syscall.go:216 +0x19c gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*runApp).execute() pkg/sentry/kernel/task_run.go:217 +0x157c gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).run() pkg/sentry/kernel/task_run.go:95 +0x264 Goroutine 126 (running) created at: gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).Start() pkg/sentry/kernel/task_start.go:251 +0x193 gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).Clone() pkg/sentry/kernel/task_clone.go:314 +0x10e6 gvisor.googlesource.com/gvisor/pkg/sentry/syscalls/linux.clone() pkg/sentry/syscalls/linux/sys_thread.go:157 +0x22e gvisor.googlesource.com/gvisor/pkg/sentry/syscalls/linux.Clone() pkg/sentry/syscalls/linux/sys_thread.go:171 +0x80 gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).executeSyscall() pkg/sentry/kernel/task_syscall.go:162 +0x14e gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke() pkg/sentry/kernel/task_syscall.go:278 +0x7d gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter() pkg/sentry/kernel/task_syscall.go:241 +0xc3 gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).doSyscall() pkg/sentry/kernel/task_syscall.go:216 +0x19c gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*runApp).execute() pkg/sentry/kernel/task_run.go:217 +0x157c gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).run() pkg/sentry/kernel/task_run.go:95 +0x264 Goroutine 124 (running) created at: gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).Start() pkg/sentry/kernel/task_start.go:251 +0x193 gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).Clone() pkg/sentry/kernel/task_clone.go:314 +0x10e6 gvisor.googlesource.com/gvisor/pkg/sentry/syscalls/linux.clone() pkg/sentry/syscalls/linux/sys_thread.go:157 +0x22e gvisor.googlesource.com/gvisor/pkg/sentry/syscalls/linux.Clone() pkg/sentry/syscalls/linux/sys_thread.go:171 +0x80 gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).executeSyscall() pkg/sentry/kernel/task_syscall.go:162 +0x14e gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke() pkg/sentry/kernel/task_syscall.go:278 +0x7d gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter() pkg/sentry/kernel/task_syscall.go:241 +0xc3 gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).doSyscall() pkg/sentry/kernel/task_syscall.go:216 +0x19c gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*runApp).execute() pkg/sentry/kernel/task_run.go:217 +0x157c gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).run() pkg/sentry/kernel/task_run.go:95 +0x264 ================== W0624 20:44:17.582685 54920 x:0] FATAL ERROR: error getting processes for container: error executing in sandbox: EOF error getting processes for container: error executing in sandbox: EOF W0624 20:44:17.582736 48881 x:0] FATAL ERROR: error running container: err waiting on container "ci-gvisor-ptrace-proxy-sandbox-race-3": EOF error running container: err waiting on container "ci-gvisor-ptrace-proxy-sandbox-race-3": EOF