W0316 11:55:19.687273 571926 log.go:379] Invalid request partialResult true and err (type safecopy.BusError) SIGBUS at 0x7f70fdc2f000 for pwritev operation on "/tmp/syzkaller-testdir359920702/syzkaller.iX30B6/267/memory.events": goroutine 27062 [running]: gvisor.dev/gvisor/pkg/log.Stacks(0x2537c00, 0xc000000001, 0xc000000001, 0x1c775a0) pkg/log/log.go:359 +0x119 gvisor.dev/gvisor/pkg/log.Traceback(0x1b0590a, 0x4c, 0xc0032bc370, 0x5, 0x5) pkg/log/log.go:378 +0x50 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.HandleIOErrorVFS2(0x1c775a0, 0xc003e04a80, 0x1, 0x1c4aa80, 0xc003246a88, 0x1c4ae00, 0x1c2e358, 0x1abe1ec, 0x7, 0xc003d3f400, ...) pkg/sentry/syscalls/linux/error.go:56 +0x52d gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Pwritev(0xc003e04a80, 0x5, 0x200004c0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:557 +0x4a5 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc003e04a80, 0x128, 0x5, 0x200004c0, 0x3, 0x0, 0x0, 0x0, 0x301, 0x1, ...) pkg/sentry/kernel/task_syscall.go:117 +0x582 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc003e04a80, 0x128, 0x5, 0x200004c0, 0x3, 0x0, 0x0, 0x0, 0x408eb8, 0xc003e05367) pkg/sentry/kernel/task_syscall.go:292 +0xd2 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc003e04a80, 0x128, 0x5, 0x200004c0, 0x3, 0x0, 0x0, 0x0, 0xc00399a460, 0x1ffffffff) pkg/sentry/kernel/task_syscall.go:239 +0x158 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc003e04a80, 0x1, 0xc000000004) pkg/sentry/kernel/task_syscall.go:206 +0x27c gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc003e04a80, 0xf, 0x0) pkg/sentry/kernel/task_run.go:329 +0x152b gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc003e04a80, 0x2b8) pkg/sentry/kernel/task_run.go:102 +0x324 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:376 +0x1da