W0719 07:20:14.580970 43868 x:0] Invalid request partialResult true and err (type syscall.Errno) cannot allocate memory for pwrite64 operation on "/tmp/syzkaller-testdir447173258/syzkaller.urNWzI/2428/file0", *tmpfs.regularFileOperations: goroutine 877747 [running]: gvisor.googlesource.com/gvisor/pkg/log.Stacks(0x0, 0x7facaff322c8, 0x0, 0x35) pkg/log/log.go:259 +0xc1 gvisor.googlesource.com/gvisor/pkg/log.Traceback(0xbe3499, 0x50, 0xc425be18c0, 0x6, 0x6) pkg/log/log.go:274 +0x2a gvisor.googlesource.com/gvisor/pkg/sentry/syscalls/linux.handleIOError(0xc42671e900, 0xc4291c0301, 0xc75e60, 0xc4259044e8, 0xc75c20, 0xc6fa50, 0xbc3e3e, 0x8, 0xc4291c03f0, 0x0, ...) pkg/sentry/syscalls/linux/error.go:114 +0x2fd gvisor.googlesource.com/gvisor/pkg/sentry/syscalls/linux.Pwrite64(0xc42671e900, 0x3, 0x20000200, 0xffffff62, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...) pkg/sentry/syscalls/linux/sys_write.go:116 +0x31d gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc42671e900, 0x12, 0x3, 0x20000200, 0xffffff62, 0x0, 0x0, 0x0, 0xc420304040, 0xbc0520, ...) pkg/sentry/kernel/task_syscall.go:162 +0x307 gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc42671e900, 0x12, 0x3, 0x20000200, 0xffffff62, 0x0, 0x0, 0x0, 0x0, 0x0) pkg/sentry/kernel/task_syscall.go:278 +0x62 gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc42671e900, 0x12, 0x3, 0x20000200, 0xffffff62, 0x0, 0x0, 0x0, 0xc74460, 0xc42175de18) pkg/sentry/kernel/task_syscall.go:241 +0x91 gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc42671e900, 0x2, 0xc420372900) pkg/sentry/kernel/task_syscall.go:216 +0x10c gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc42671e900, 0xc74460, 0x0) pkg/sentry/kernel/task_run.go:217 +0xe56 gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).run(0xc42671e900, 0x6ff0) 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:258 +0x100