I0624 18:42:25.643850 51516 x:0] CalibratedClock(Monotonic): ready I0624 18:42:25.644033 51516 x:0] CalibratedClock(Realtime): ready I0624 18:43:09.734645 51516 x:0] Watchdog starting loop, tasks: 7, discount: 0s I0624 18:43:26.391043 54723 x:0] *************************** I0624 18:43:26.391180 54723 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-0 /syz-executor488683998] I0624 18:43:26.391450 54723 x:0] Git Revision: 60dbbdc2d54bb52ad36234a843c1aaeec2650aa1 I0624 18:43:26.391486 54723 x:0] PID: 54723 I0624 18:43:26.391511 54723 x:0] UID: 0, GID: 0 I0624 18:43:26.391538 54723 x:0] Configuration: I0624 18:43:26.391555 54723 x:0] RootDir: /syzkaller/managers/ptrace-proxy-sandbox-race/workdir/gvisor_root I0624 18:43:26.391579 54723 x:0] Platform: ptrace I0624 18:43:26.391604 54723 x:0] FileAccess: proxy, overlay: false I0624 18:43:26.391676 54723 x:0] Network: sandbox, logging: false I0624 18:43:26.391704 54723 x:0] Strace: false, max size: 1024, syscalls: [] I0624 18:43:26.391737 54723 x:0] *************************** I0624 18:43:26.397470 51516 x:0] EXEC: [/syz-executor488683998] executing program ================== WARNING: DATA RACE Read at 0x00c42014e4f0 by goroutine 127: gvisor.googlesource.com/gvisor/pkg/sentry/kernel/semaphore.(*Registry).RemoveID() pkg/sentry/kernel/semaphore/semaphore.go:420 +0xec gvisor.googlesource.com/gvisor/pkg/sentry/syscalls/linux.remove() pkg/sentry/syscalls/linux/sys_sem.go:125 +0x91 gvisor.googlesource.com/gvisor/pkg/sentry/syscalls/linux.Semctl() pkg/sentry/syscalls/linux/sys_sem.go:105 +0x327 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 0x00c42014e4f0 by goroutine 125: gvisor.googlesource.com/gvisor/pkg/sentry/kernel/semaphore.(*Set).Change() pkg/sentry/kernel/semaphore/semaphore.go:260 +0xf7 gvisor.googlesource.com/gvisor/pkg/sentry/syscalls/linux.ipcSet() pkg/sentry/syscalls/linux/sys_sem.go:145 +0x18d gvisor.googlesource.com/gvisor/pkg/sentry/syscalls/linux.Semctl() pkg/sentry/syscalls/linux/sys_sem.go:115 +0x2ab 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 127 (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 125 (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 18:43:26.538611 54723 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 18:43:26.538657 51476 x:0] FATAL ERROR: error running container: err waiting on container "ci-gvisor-ptrace-proxy-sandbox-race-0": EOF error running container: err waiting on container "ci-gvisor-ptrace-proxy-sandbox-race-0": EOF