W1027 13:27:30.754639 317 x:0] Invalid request partialResult true and err (type *errors.errorString) short write for sendfile operation on "/tmp/syzkaller-testdir403249668/syzkaller.IEzRsa/1880/file0", *tmpfs.regularFileOperations: goroutine 5909607 [running]: gvisor.googlesource.com/gvisor/pkg/log.Stacks(0x9bdf00, 0x7f3d059d9a48, 0x0, 0xc00376f698) pkg/log/log.go:259 +0xd1 gvisor.googlesource.com/gvisor/pkg/log.Traceback(0x10bb572, 0x50, 0xc111b06d80, 0x6, 0x6) pkg/log/log.go:274 +0x3e gvisor.googlesource.com/gvisor/pkg/sentry/syscalls/linux.handleIOError(0xc111115500, 0x20000101, 0x11cd080, 0xc00012e010, 0x11cf0c0, 0x11c7d38, 0x109a5d6, 0x8, 0xc10f6fdef0, 0x0, ...) pkg/sentry/syscalls/linux/error.go:114 +0x46d gvisor.googlesource.com/gvisor/pkg/sentry/syscalls/linux.Sendfile(0xc111115500, 0x5, 0x5, 0x20000140, 0x8800000, 0x0, 0x0, 0x0, 0x0, 0x0, ...) pkg/sentry/syscalls/linux/sys_file.go:2058 +0x6c6 gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc111115500, 0x28, 0x5, 0x5, 0x20000140, 0x8800000, 0x0, 0x0, 0xc111115500, 0x0, ...) pkg/sentry/kernel/task_syscall.go:162 +0x17b gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc111115500, 0x28, 0x5, 0x5, 0x20000140, 0x8800000, 0x0, 0x0, 0xc000165352, 0xc6a700) pkg/sentry/kernel/task_syscall.go:280 +0xb5 gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc111115500, 0x28, 0x5, 0x5, 0x20000140, 0x8800000, 0x0, 0x0, 0xc00376fc00, 0x4626ce) pkg/sentry/kernel/task_syscall.go:241 +0x10d gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc111115500, 0x2, 0xc000296e80) pkg/sentry/kernel/task_syscall.go:216 +0x1e4 gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc111115500, 0x11cd860, 0x0) pkg/sentry/kernel/task_run.go:219 +0x15aa gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).run(0xc111115500, 0x91c9) pkg/sentry/kernel/task_run.go:95 +0x27a created by gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:279 +0x19e