W0317 13:15:52.083255  766192 log.go:377] Invalid request partialResult true and err (type safecopy.BusError) SIGBUS at 0x7f7d82383000 for pwritev operation on "/tmp/syzkaller-testdir005881725/syzkaller.UFfWeT/1981/memory.events":
goroutine 146049 [running]:
gvisor.dev/gvisor/pkg/log.Stacks(0x11e6b00, 0xc006268720, 0xc0090b9a10, 0xc0090b99d8)
	pkg/log/log.go:357 +0xc6
gvisor.dev/gvisor/pkg/log.Traceback(0x1309d13, 0x4c, 0xc0013e2aa0, 0x5, 0x5)
	pkg/log/log.go:376 +0x34
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.HandleIOErrorVFS2(0x145e2a0, 0xc009651500, 0x1458e01, 0x1430340, 0xc004a34788, 0x14306c0, 0x1413118, 0x12c27f8, 0x7, 0xc001795780, ...)
	pkg/sentry/syscalls/linux/error.go:55 +0x31f
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Pwritev(0xc009651500, 0x5, 0x200004c0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...)
	pkg/sentry/syscalls/linux/vfs2/read_write.go:554 +0x318
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc009651500, 0x128, 0x5, 0x200004c0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x12bea00, ...)
	pkg/sentry/kernel/task_syscall.go:116 +0x1b9
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc009651500, 0x128, 0x5, 0x200004c0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0)
	pkg/sentry/kernel/task_syscall.go:291 +0x70
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc009651500, 0x128, 0x5, 0x200004c0, 0x3, 0x0, 0x0, 0x0, 0xc010601120, 0xc010601080)
	pkg/sentry/kernel/task_syscall.go:238 +0xb4
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc009651500, 0x2, 0xc009651500)
	pkg/sentry/kernel/task_syscall.go:205 +0x198
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc009651500, 0x142e620, 0x0)
	pkg/sentry/kernel/task_run.go:327 +0xd95
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc009651500, 0x1236)
	pkg/sentry/kernel/task_run.go:100 +0x1e2
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:374 +0x116