I0706 21:55:05.463301 1 x:0] Watchdog starting loop, tasks: 6, discount: 0s I0706 21:55:32.568360 50928 x:0] *************************** I0706 21:55:32.568432 50928 x:0] Args: [/syzkaller/managers/kvm-proxy-overlay-sandbox/current/image -root /syzkaller/managers/kvm-proxy-overlay-sandbox/workdir/gvisor_root -watchdog-action=panic -network=none -platform=kvm -file-access=proxy -overlay -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-kvm-proxy-overlay-sandbox-1 /syz-executor702771514] I0706 21:55:32.568494 50928 x:0] Git Revision: 34af9a61741f26be403231ec302b4e0795147906 I0706 21:55:32.568500 50928 x:0] PID: 50928 I0706 21:55:32.568509 50928 x:0] UID: 0, GID: 0 I0706 21:55:32.568512 50928 x:0] Configuration: I0706 21:55:32.568515 50928 x:0] RootDir: /syzkaller/managers/kvm-proxy-overlay-sandbox/workdir/gvisor_root I0706 21:55:32.568526 50928 x:0] Platform: kvm I0706 21:55:32.568532 50928 x:0] FileAccess: proxy, overlay: true I0706 21:55:32.568544 50928 x:0] Network: sandbox, logging: false I0706 21:55:32.568555 50928 x:0] Strace: false, max size: 1024, syscalls: [] I0706 21:55:32.568559 50928 x:0] *************************** I0706 21:55:32.569939 1 x:0] EXEC: [/syz-executor702771514] executing program W0706 21:55:36.000907 1 x:0] Invalid request partialResult true and err (type *errors.errorString) short write for sendfile operation on "/tmp/bus", *tmpfs.regularFileOperations: goroutine 137 [running]: gvisor.googlesource.com/gvisor/pkg/log.Stacks(0x0, 0x7f4b03588000, 0x0, 0x4) pkg/log/log.go:259 +0xc1 gvisor.googlesource.com/gvisor/pkg/log.Traceback(0xbdcc97, 0x50, 0xc420500240, 0x6, 0x6) pkg/log/log.go:274 +0x2a gvisor.googlesource.com/gvisor/pkg/sentry/syscalls/linux.handleIOError(0xc4205a3b00, 0x20d83f01, 0xc6d120, 0xc420130030, 0xc6f020, 0xc69060, 0xbbd909, 0x8, 0xc4205341b0, 0xc42015e400, ...) pkg/sentry/syscalls/linux/error.go:114 +0x2fd gvisor.googlesource.com/gvisor/pkg/sentry/syscalls/linux.Sendfile(0xc4205a3b00, 0x3, 0x4, 0x20d83ff8, 0x8000fffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, ...) pkg/sentry/syscalls/linux/sys_file.go:2025 +0x4ec gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc4205a3b00, 0x28, 0x3, 0x4, 0x20d83ff8, 0x8000fffffffe, 0x0, 0x0, 0xc4205cfca8, 0xbb9f40, ...) pkg/sentry/kernel/task_syscall.go:162 +0x307 gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc4205a3b00, 0x28, 0x3, 0x4, 0x20d83ff8, 0x8000fffffffe, 0x0, 0x0, 0x0, 0x0) pkg/sentry/kernel/task_syscall.go:278 +0x62 gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc4205a3b00, 0x28, 0x3, 0x4, 0x20d83ff8, 0x8000fffffffe, 0x0, 0x0, 0xc420123000, 0xc4205cfe00) pkg/sentry/kernel/task_syscall.go:241 +0x91 gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc4205a3b00, 0x2, 0xc420692900) pkg/sentry/kernel/task_syscall.go:216 +0x10c gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc4205a3b00, 0xc6d860, 0x0) pkg/sentry/kernel/task_run.go:217 +0xed8 gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).run(0xc4205a3b00, 0x8) pkg/sentry/kernel/task_run.go:95 +0x174 created by gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:251 +0x100 I0706 21:55:36.113591 50928 x:0] Exiting with status: 0