I0821 12:35:07.032177 1259 x:0] Watchdog starting loop, tasks: 9, discount: 0s I0821 12:35:52.033904 1259 x:0] Watchdog starting loop, tasks: 9, discount: 0s I0821 12:36:37.035350 1259 x:0] Watchdog starting loop, tasks: 9, discount: 0s I0821 12:37:22.035965 1259 x:0] Watchdog starting loop, tasks: 9, discount: 0s I0821 12:38:05.507350 7253 x:0] *************************** I0821 12:38:05.507618 7253 x:0] Args: [/syzkaller/managers/ptrace-proxy-sandbox-race/current/image -root /syzkaller/managers/ptrace-proxy-sandbox-race/workdir/gvisor_root -watchdog-action=panic -network=none -platform=ptrace -file-access=proxy-shared -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-1 /syz-execprog -executor=/syz-executor -arch=amd64 -sandbox=none -procs=1 -repeat=0 -threaded=true -collide=true -cover=0 -fault_call=-1 -fault_nth=-1 /syzkaller482653366] I0821 12:38:05.508051 7253 x:0] Git Revision: d4d5ed1d9def507b1f2ff3ff8ec75813e931f129 I0821 12:38:05.508170 7253 x:0] PID: 7253 I0821 12:38:05.508281 7253 x:0] UID: 0, GID: 0 I0821 12:38:05.508386 7253 x:0] Configuration: I0821 12:38:05.508505 7253 x:0] RootDir: /syzkaller/managers/ptrace-proxy-sandbox-race/workdir/gvisor_root I0821 12:38:05.508617 7253 x:0] Platform: ptrace I0821 12:38:05.508791 7253 x:0] FileAccess: proxy-shared, overlay: false I0821 12:38:05.508964 7253 x:0] Network: sandbox, logging: false I0821 12:38:05.509089 7253 x:0] Strace: false, max size: 1024, syscalls: [] I0821 12:38:05.509219 7253 x:0] *************************** I0821 12:38:05.521779 1259 x:0] EXEC: [/syz-execprog -executor=/syz-executor -arch=amd64 -sandbox=none -procs=1 -repeat=0 -threaded=true -collide=true -cover=0 -fault_call=-1 -fault_nth=-1 /syzkaller482653366] I0821 12:38:07.036639 1259 x:0] Watchdog starting loop, tasks: 40, discount: 0s 2018/08/21 12:38:07 parsed 1 programs 2018/08/21 12:38:07 executed programs: 0 2018/08/21 12:38:13 executed programs: 5 2018/08/21 12:38:18 executed programs: 11 2018/08/21 12:38:23 executed programs: 17 2018/08/21 12:38:29 executed programs: 23 2018/08/21 12:38:35 executed programs: 29 2018/08/21 12:38:40 executed programs: 35 2018/08/21 12:38:45 executed programs: 41 2018/08/21 12:38:51 executed programs: 47 I0821 12:38:52.046565 1259 x:0] Watchdog starting loop, tasks: 55, discount: 0s 2018/08/21 12:38:56 executed programs: 53 ================== WARNING: DATA RACE Write at 0x00c4205781e0 by goroutine 267: runtime.mapassign_faststr() GOROOT/src/runtime/hashmap_fast.go:694 +0x0 gvisor.googlesource.com/gvisor/pkg/sentry/fs.(*Dirent).hashChildParentSet() pkg/sentry/fs/dirent.go:301 +0x176 gvisor.googlesource.com/gvisor/pkg/sentry/fs.(*Dirent).hashChild() pkg/sentry/fs/dirent.go:286 +0xda gvisor.googlesource.com/gvisor/pkg/sentry/fs.(*Dirent).walk() pkg/sentry/fs/dirent.go:592 +0x537 gvisor.googlesource.com/gvisor/pkg/sentry/fs.(*Dirent).Walk() pkg/sentry/fs/dirent.go:617 +0xd5 gvisor.googlesource.com/gvisor/pkg/sentry/fs.(*MountNamespace).FindLink() pkg/sentry/fs/mounts.go:401 +0x202 gvisor.googlesource.com/gvisor/pkg/sentry/fs.(*MountNamespace).FindInode() pkg/sentry/fs/mounts.go:439 +0x93 gvisor.googlesource.com/gvisor/pkg/sentry/syscalls/linux.mkdirAt.func1() pkg/sentry/syscalls/linux/sys_file.go:995 +0x1a2 gvisor.googlesource.com/gvisor/pkg/sentry/syscalls/linux.fileOpAt.func1() pkg/sentry/syscalls/linux/sys_file.go:58 +0x66 gvisor.googlesource.com/gvisor/pkg/sentry/syscalls/linux.fileOpOn() pkg/sentry/syscalls/linux/sys_file.go:111 +0x235 gvisor.googlesource.com/gvisor/pkg/sentry/syscalls/linux.fileOpAt() pkg/sentry/syscalls/linux/sys_file.go:57 +0x17e gvisor.googlesource.com/gvisor/pkg/sentry/syscalls/linux.mkdirAt() pkg/sentry/syscalls/linux/sys_file.go:989 +0x162 gvisor.googlesource.com/gvisor/pkg/sentry/syscalls/linux.Mkdir() pkg/sentry/syscalls/linux/sys_file.go:1022 +0x58 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:280 +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 +0x19e gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*runApp).execute() pkg/sentry/kernel/task_run.go:219 +0x1501 gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).run() pkg/sentry/kernel/task_run.go:95 +0x264 Previous read at 0x00c4205781e0 by goroutine 279: runtime.mapiterinit() GOROOT/src/runtime/hashmap.go:691 +0x0 gvisor.googlesource.com/gvisor/pkg/sentry/fs.(*Dirent).flush() pkg/sentry/fs/dirent.go:1018 +0x12d gvisor.googlesource.com/gvisor/pkg/sentry/fs.Rename() pkg/sentry/fs/dirent.go:1589 +0xc24 gvisor.googlesource.com/gvisor/pkg/sentry/syscalls/linux.renameAt.func1.1() pkg/sentry/syscalls/linux/sys_file.go:1831 +0x18d gvisor.googlesource.com/gvisor/pkg/sentry/syscalls/linux.fileOpAt.func1() pkg/sentry/syscalls/linux/sys_file.go:58 +0x66 gvisor.googlesource.com/gvisor/pkg/sentry/syscalls/linux.fileOpOn() pkg/sentry/syscalls/linux/sys_file.go:111 +0x235 gvisor.googlesource.com/gvisor/pkg/sentry/syscalls/linux.fileOpAt() pkg/sentry/syscalls/linux/sys_file.go:57 +0x17e gvisor.googlesource.com/gvisor/pkg/sentry/syscalls/linux.renameAt.func1() pkg/sentry/syscalls/linux/sys_file.go:1820 +0x20a gvisor.googlesource.com/gvisor/pkg/sentry/syscalls/linux.fileOpAt.func1() pkg/sentry/syscalls/linux/sys_file.go:58 +0x66 gvisor.googlesource.com/gvisor/pkg/sentry/syscalls/linux.fileOpOn() pkg/sentry/syscalls/linux/sys_file.go:111 +0x235 gvisor.googlesource.com/gvisor/pkg/sentry/syscalls/linux.fileOpAt() pkg/sentry/syscalls/linux/sys_file.go:57 +0x17e gvisor.googlesource.com/gvisor/pkg/sentry/syscalls/linux.renameAt() pkg/sentry/syscalls/linux/sys_file.go:1805 +0x1ef gvisor.googlesource.com/gvisor/pkg/sentry/syscalls/linux.Rename() pkg/sentry/syscalls/linux/sys_file.go:1840 +0x60 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:280 +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 +0x19e gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*runApp).execute() pkg/sentry/kernel/task_run.go:219 +0x1501 gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).run() pkg/sentry/kernel/task_run.go:95 +0x264 Goroutine 267 (running) created at: gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).Start() pkg/sentry/kernel/task_start.go:258 +0x193 gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).Clone() pkg/sentry/kernel/task_clone.go:319 +0x10f1 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:280 +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 +0x19e gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*runApp).execute() pkg/sentry/kernel/task_run.go:219 +0x1501 gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).run() pkg/sentry/kernel/task_run.go:95 +0x264 Goroutine 279 (running) created at: gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).Start() pkg/sentry/kernel/task_start.go:258 +0x193 gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).Clone() pkg/sentry/kernel/task_clone.go:319 +0x10f1 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:280 +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 +0x19e gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*runApp).execute() pkg/sentry/kernel/task_run.go:219 +0x1501 gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).run() pkg/sentry/kernel/task_run.go:95 +0x264 ================== W0821 12:38:59.234444 7253 x:0] FATAL ERROR: error getting processes for container: error executing in sandbox: urpc method "containerManager.Execute" failed: EOF error getting processes for container: error executing in sandbox: urpc method "containerManager.Execute" failed: EOF W0821 12:38:59.233977 1252 x:0] FATAL ERROR: error running container: error waiting on container "ci-gvisor-ptrace-proxy-sandbox-race-1": urpc method "containerManager.Wait" failed: EOF error running container: error waiting on container "ci-gvisor-ptrace-proxy-sandbox-race-1": urpc method "containerManager.Wait" failed: EOF