W0319 03:58:23.246346  650226 log.go:379] Invalid request partialResult true and err (type safecopy.BusError) SIGBUS at 0x7f018cdb3000 for pwritev operation on "/tmp/syzkaller-testdir856138380/syzkaller.D5ehEW/15/memory.events":
goroutine 7209 [running]:
gvisor.dev/gvisor/pkg/log.Stacks(0x253ce00, 0xc000000001, 0xc000000001, 0x1c7b480)
	pkg/log/log.go:359 +0x119
gvisor.dev/gvisor/pkg/log.Traceback(0x1b09339, 0x4c, 0xc000a1f130, 0x5, 0x5)
	pkg/log/log.go:378 +0x50
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.HandleIOErrorVFS2(0x1c7b480, 0xc000cd8a80, 0x1, 0x1c4e8c0, 0xc0013183a8, 0x1c4ec40, 0x1c32138, 0x1ac1b12, 0x7, 0xc000d03a80, ...)
	pkg/sentry/syscalls/linux/error.go:56 +0x52d
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Pwritev(0xc000cd8a80, 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(0xc000cd8a80, 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(0xc000cd8a80, 0x128, 0x5, 0x200004c0, 0x3, 0x0, 0x0, 0x0, 0x408eb8, 0xc000cd9367)
	pkg/sentry/kernel/task_syscall.go:292 +0xd2
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc000cd8a80, 0x128, 0x5, 0x200004c0, 0x3, 0x0, 0x0, 0x0, 0xc000ccc220, 0x1ffffffff)
	pkg/sentry/kernel/task_syscall.go:239 +0x158
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc000cd8a80, 0x1, 0xc000000003)
	pkg/sentry/kernel/task_syscall.go:206 +0x27c
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc000cd8a80, 0x4, 0x0)
	pkg/sentry/kernel/task_run.go:329 +0x152b
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc000cd8a80, 0x4d)
	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