W0309 03:28:59.556336 846679 log.go:379] Invalid request partialResult true and err (type safecopy.BusError) SIGBUS at 0x7f6a3d8b3000 for pwritev operation on "/tmp/syzkaller-testdir001501781/syzkaller.YIHJmi/284/memory.events": goroutine 46624 [running]: gvisor.dev/gvisor/pkg/log.Stacks(0x251c800, 0xc000000001, 0xc000000001, 0x1c643c0) pkg/log/log.go:359 +0x119 gvisor.dev/gvisor/pkg/log.Traceback(0x1af384e, 0x4c, 0xc08237c9b0, 0x5, 0x5) pkg/log/log.go:378 +0x50 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.HandleIOErrorVFS2(0x1c643c0, 0xc083d02a80, 0x1, 0x1c38040, 0xc0833352c0, 0x1c383c0, 0x1c1ba58, 0x1aac423, 0x7, 0xc083aa2000, ...) pkg/sentry/syscalls/linux/error.go:56 +0x52d gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Pwritev(0xc083d02a80, 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(0xc083d02a80, 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(0xc083d02a80, 0x128, 0x5, 0x200004c0, 0x3, 0x0, 0x0, 0x0, 0x408eb8, 0xc083d03367) pkg/sentry/kernel/task_syscall.go:292 +0xd2 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc083d02a80, 0x128, 0x5, 0x200004c0, 0x3, 0x0, 0x0, 0x0, 0xc0001e31e0, 0x1ffffffff) pkg/sentry/kernel/task_syscall.go:239 +0x158 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc083d02a80, 0x1, 0xc000000003) pkg/sentry/kernel/task_syscall.go:206 +0x27c gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc083d02a80, 0x5, 0x0) pkg/sentry/kernel/task_run.go:329 +0x152b gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc083d02a80, 0x410) 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