I0706 22:38:58.073895 1 x:0] Watchdog starting loop, tasks: 6, discount: 0s I0706 22:39:15.997541 52653 x:0] *************************** I0706 22:39:15.998936 52653 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-0 /syz-executor233856686] I0706 22:39:15.999110 52653 x:0] Git Revision: 34af9a61741f26be403231ec302b4e0795147906 I0706 22:39:15.999210 52653 x:0] PID: 52653 I0706 22:39:15.999282 52653 x:0] UID: 0, GID: 0 I0706 22:39:15.999378 52653 x:0] Configuration: I0706 22:39:15.999482 52653 x:0] RootDir: /syzkaller/managers/kvm-proxy-overlay-sandbox/workdir/gvisor_root I0706 22:39:15.999570 52653 x:0] Platform: kvm I0706 22:39:15.999696 52653 x:0] FileAccess: proxy, overlay: true I0706 22:39:15.999784 52653 x:0] Network: sandbox, logging: false I0706 22:39:15.999803 52653 x:0] Strace: false, max size: 1024, syscalls: [] I0706 22:39:15.999809 52653 x:0] *************************** I0706 22:39:16.002403 1 x:0] EXEC: [/syz-executor233856686] executing program W0706 22:39:17.028057 1 x:0] Invalid request partialResult true and err (type *errors.errorString) short write for sendfile operation on "/tmp/bus", *tmpfs.regularFileOperations: goroutine 223 [running]: gvisor.googlesource.com/gvisor/pkg/log.Stacks(0x0, 0x7fa305425000, 0x0, 0x4) pkg/log/log.go:259 +0xc1 gvisor.googlesource.com/gvisor/pkg/log.Traceback(0xbdcc97, 0x50, 0xc420140780, 0x6, 0x6) pkg/log/log.go:274 +0x2a gvisor.googlesource.com/gvisor/pkg/sentry/syscalls/linux.handleIOError(0xc420287b00, 0x20d83f01, 0xc6d120, 0xc420124030, 0xc6f020, 0xc69060, 0xbbd909, 0x8, 0xc4206187e0, 0xc4202d0000, ...) pkg/sentry/syscalls/linux/error.go:114 +0x2fd gvisor.googlesource.com/gvisor/pkg/sentry/syscalls/linux.Sendfile(0xc420287b00, 0x3, 0x5, 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(0xc420287b00, 0x28, 0x3, 0x5, 0x20d83ff8, 0x8000fffffffe, 0x0, 0x0, 0xc420509ca8, 0xbb9f40, ...) pkg/sentry/kernel/task_syscall.go:162 +0x307 gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc420287b00, 0x28, 0x3, 0x5, 0x20d83ff8, 0x8000fffffffe, 0x0, 0x0, 0x0, 0x0) pkg/sentry/kernel/task_syscall.go:278 +0x62 gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc420287b00, 0x28, 0x3, 0x5, 0x20d83ff8, 0x8000fffffffe, 0x0, 0x0, 0xc4204f2800, 0xc420509e00) pkg/sentry/kernel/task_syscall.go:241 +0x91 gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc420287b00, 0x2, 0xc42055e900) pkg/sentry/kernel/task_syscall.go:216 +0x10c gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc420287b00, 0xc6d860, 0x0) pkg/sentry/kernel/task_run.go:217 +0xed8 gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).run(0xc420287b00, 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 22:39:17.120518 52653 x:0] Exiting with status: 0