I0723 06:11:56.087538 41993 x:0] Watchdog starting loop, tasks: 8, discount: 0s I0723 06:12:24.662900 45973 x:0] *************************** I0723 06:12:24.663191 45973 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 -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-executor508867958] I0723 06:12:24.665154 45973 x:0] Git Revision: 72627b310e89405fb0215d773405d73f305de993 I0723 06:12:24.665292 45973 x:0] PID: 45973 I0723 06:12:24.665615 45973 x:0] UID: 0, GID: 0 I0723 06:12:24.665722 45973 x:0] Configuration: I0723 06:12:24.665839 45973 x:0] RootDir: /syzkaller/managers/ptrace-proxy-sandbox-race/workdir/gvisor_root I0723 06:12:24.665929 45973 x:0] Platform: ptrace I0723 06:12:24.666064 45973 x:0] FileAccess: proxy, overlay: false I0723 06:12:24.666200 45973 x:0] Network: sandbox, logging: false I0723 06:12:24.666311 45973 x:0] Strace: false, max size: 1024, syscalls: [] I0723 06:12:24.666544 45973 x:0] *************************** I0723 06:12:24.682154 41993 x:0] EXEC: [/syz-executor508867958] executing program ================== WARNING: DATA RACE Read at 0x00c4204d8578 by goroutine 135: gvisor.googlesource.com/gvisor/pkg/waiter.(*Entry).Next() bazel-out/k8-fastbuild/bin/pkg/ilist/interface_list.go:150 +0x4c gvisor.googlesource.com/gvisor/pkg/ilist.(*List).Remove() bazel-out/k8-fastbuild/bin/pkg/ilist/interface_list.go:125 +0x6a gvisor.googlesource.com/gvisor/pkg/waiter.(*Queue).EventUnregister() pkg/waiter/waiter.go:177 +0x67 gvisor.googlesource.com/gvisor/pkg/sentry/fs/tty.(*slaveFileOperations).EventUnregister() pkg/sentry/fs/tty/slave.go:114 +0x96 gvisor.googlesource.com/gvisor/pkg/sentry/fs.(*File).EventUnregister() pkg/sentry/fs/file.go:180 +0x60 gvisor.googlesource.com/gvisor/pkg/sentry/syscalls/linux.readv() pkg/sentry/syscalls/linux/sys_read.go:223 +0x5e1 gvisor.googlesource.com/gvisor/pkg/sentry/syscalls/linux.Readv() pkg/sentry/syscalls/linux/sys_read.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 +0x1501 gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).run() pkg/sentry/kernel/task_run.go:95 +0x264 Previous write at 0x00c4204d8578 by goroutine 140: 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:170 +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/syscalls/linux.readv() pkg/sentry/syscalls/linux/sys_read.go:202 +0x3cb gvisor.googlesource.com/gvisor/pkg/sentry/syscalls/linux.Readv() pkg/sentry/syscalls/linux/sys_read.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 +0x1501 gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).run() pkg/sentry/kernel/task_run.go:95 +0x264 Goroutine 135 (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:316 +0x110a 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 +0x1501 gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).run() pkg/sentry/kernel/task_run.go:95 +0x264 Goroutine 140 (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:316 +0x110a 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 +0x1501 gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).run() pkg/sentry/kernel/task_run.go:95 +0x264 ================== W0723 06:12:25.341987 41983 x:0] FATAL ERROR: error running container: error waiting on container "ci-gvisor-ptrace-proxy-sandbox-race-1": EOF error running container: error waiting on container "ci-gvisor-ptrace-proxy-sandbox-race-1": EOF W0723 06:12:25.341956 45973 x:0] FATAL ERROR: error getting processes for container: error executing in sandbox: EOF error getting processes for container: error executing in sandbox: EOF