W0317 23:59:43.174516  199200 log.go:329] Invalid request partialResult true and err (type safecopy.BusError) SIGBUS at 0x7f27947ac000 for pwritev operation on "/tmp/syzkaller-testdir997585206/syzkaller.MeqU2A/243/file0/bus":
goroutine 53525 [running]:
gvisor.dev/gvisor/pkg/log.Stacks(0xdec900, 0xc0012534a8, 0xc000358c80, 0xc000170180)
	pkg/log/log.go:313 +0xbe
gvisor.dev/gvisor/pkg/log.Traceback(0x1958da9, 0x4c, 0xc084d7c730, 0x5, 0x5)
	pkg/log/log.go:328 +0x38
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.HandleIOErrorVFS2(0x1afbf60, 0xc085045500, 0x1af6901, 0x1acd4c0, 0xc002864850, 0x1acd840, 0x1ab0660, 0x1920092, 0x7, 0xc085077a00, ...)
	pkg/sentry/syscalls/linux/error.go:50 +0x497
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Pwritev(0xc085045500, 0x3, 0x20000080, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...)
	pkg/sentry/syscalls/linux/vfs2/read_write.go:449 +0x3a5
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc085045500, 0x128, 0x3, 0x20000080, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, ...)
	pkg/sentry/kernel/task_syscall.go:104 +0x453
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc085045500, 0x128, 0x3, 0x20000080, 0x1, 0x0, 0x0, 0x0, 0x408eb8, 0xc085045de7)
	pkg/sentry/kernel/task_syscall.go:239 +0xba
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc085045500, 0x128, 0x3, 0x20000080, 0x1, 0x0, 0x0, 0x0, 0x139deab, 0x2d99dd4)
	pkg/sentry/kernel/task_syscall.go:199 +0x10f
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc085045500, 0x2, 0xc085045500)
	pkg/sentry/kernel/task_syscall.go:174 +0x1ea
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc085045500, 0x1acb7a0, 0x0)
	pkg/sentry/kernel/task_run.go:282 +0x12a7
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc085045500, 0x83b)
	pkg/sentry/kernel/task_run.go:97 +0x398
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:323 +0x1a5