I0627 09:52:03.401644 21881 x:0] CalibratedClock(Monotonic): ready I0627 09:52:03.401862 21881 x:0] CalibratedClock(Realtime): ready I0627 09:52:47.464737 21881 x:0] Watchdog starting loop, tasks: 7, discount: 0s I0627 09:53:02.011813 30628 x:0] *************************** I0627 09:53:02.011946 30628 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-2 /syz-executor271686943] I0627 09:53:02.012180 30628 x:0] Git Revision: 53efb512bdf71f2eabcbdb51f9b180e8a4bc52f6 I0627 09:53:02.012208 30628 x:0] PID: 30628 I0627 09:53:02.012230 30628 x:0] UID: 0, GID: 0 I0627 09:53:02.012249 30628 x:0] Configuration: I0627 09:53:02.012276 30628 x:0] RootDir: /syzkaller/managers/ptrace-proxy-sandbox-race/workdir/gvisor_root I0627 09:53:02.012296 30628 x:0] Platform: ptrace I0627 09:53:02.012319 30628 x:0] FileAccess: proxy, overlay: false I0627 09:53:02.012367 30628 x:0] Network: sandbox, logging: false I0627 09:53:02.012449 30628 x:0] Strace: false, max size: 1024, syscalls: [] I0627 09:53:02.012488 30628 x:0] *************************** I0627 09:53:02.018473 21881 x:0] EXEC: [/syz-executor271686943] executing program ================== WARNING: DATA RACE Write at 0x00c4201dc698 by goroutine 130: gvisor.googlesource.com/gvisor/pkg/waiter.(*Entry).SetNext() bazel-out/k8-fastbuild/bin/pkg/ilist/interface_list.go:160 +0x50 gvisor.googlesource.com/gvisor/pkg/ilist.(*List).PushBack() bazel-out/k8-fastbuild/bin/pkg/ilist/interface_list.go:70 +0xee gvisor.googlesource.com/gvisor/pkg/waiter.(*Queue).EventRegister() pkg/waiter/waiter.go:160 +0x86 gvisor.googlesource.com/gvisor/pkg/sentry/fs/tty.(*slaveFileOperations).EventRegister() pkg/sentry/fs/tty/slave.go:108 +0xa0 gvisor.googlesource.com/gvisor/pkg/sentry/fs.(*File).EventRegister() pkg/sentry/fs/file.go:175 +0x6a gvisor.googlesource.com/gvisor/pkg/sentry/syscalls/linux.writev() pkg/sentry/syscalls/linux/sys_write.go:202 +0x3cb 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 Previous write at 0x00c4201dc698 by goroutine 128: gvisor.googlesource.com/gvisor/pkg/waiter.(*Entry).SetNext() bazel-out/k8-fastbuild/bin/pkg/ilist/interface_list.go:160 +0x50 gvisor.googlesource.com/gvisor/pkg/ilist.(*List).PushBack() bazel-out/k8-fastbuild/bin/pkg/ilist/interface_list.go:66 +0x4a gvisor.googlesource.com/gvisor/pkg/waiter.(*Queue).EventRegister() pkg/waiter/waiter.go:160 +0x86 gvisor.googlesource.com/gvisor/pkg/sentry/fs/tty.(*slaveFileOperations).EventRegister() pkg/sentry/fs/tty/slave.go:109 +0x10f gvisor.googlesource.com/gvisor/pkg/sentry/fs.(*File).EventRegister() pkg/sentry/fs/file.go:175 +0x6a gvisor.googlesource.com/gvisor/pkg/sentry/kernel/epoll.(*EventPoll).initEntryReadiness() pkg/sentry/kernel/epoll/epoll.go:309 +0x11f gvisor.googlesource.com/gvisor/pkg/sentry/kernel/epoll.(*EventPoll).AddEntry() pkg/sentry/kernel/epoll/epoll.go:392 +0x440 gvisor.googlesource.com/gvisor/pkg/sentry/syscalls.AddEpoll() pkg/sentry/syscalls/epoll.go:67 +0x162 gvisor.googlesource.com/gvisor/pkg/sentry/syscalls/linux.EpollCtl() pkg/sentry/syscalls/linux/sys_epoll.go:100 +0x252 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 130 (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 128 (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 ================== W0627 09:53:02.206641 21868 x:0] FATAL ERROR: error running container: err waiting on container "ci-gvisor-ptrace-proxy-sandbox-race-2": EOF W0627 09:53:02.206619 30628 x:0] FATAL ERROR: error getting processes for container: error executing in sandbox: EOF error getting processes for container: error executing in sandbox: EOF error running container: err waiting on container "ci-gvisor-ptrace-proxy-sandbox-race-2": EOF