W0316 03:44:34.287773  865099 log.go:379] Invalid request partialResult true and err (type safecopy.BusError) SIGBUS at 0x7f30e066c000 for pwritev operation on "/tmp/syzkaller-testdir483660323/syzkaller.8zzbyy/346/memory.events":
goroutine 138741 [running]:
gvisor.dev/gvisor/pkg/log.Stacks(0x2537b00, 0xc000000001, 0xc000000001, 0x1c76be0)
	pkg/log/log.go:359 +0x119
gvisor.dev/gvisor/pkg/log.Traceback(0x1b04f97, 0x4c, 0xc0018d1900, 0x5, 0x5)
	pkg/log/log.go:378 +0x50
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.HandleIOErrorVFS2(0x1c76be0, 0xc002453500, 0x1, 0x1c4a100, 0xc006c6a900, 0x1c4a480, 0x1c2d9b8, 0x1abd8ac, 0x7, 0xc000a15780, ...)
	pkg/sentry/syscalls/linux/error.go:56 +0x52d
gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Pwritev(0xc002453500, 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(0xc002453500, 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(0xc002453500, 0x128, 0x5, 0x200004c0, 0x3, 0x0, 0x0, 0x0, 0x408eb8, 0xc002453de7)
	pkg/sentry/kernel/task_syscall.go:292 +0xd2
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc002453500, 0x128, 0x5, 0x200004c0, 0x3, 0x0, 0x0, 0x0, 0xc0018e6520, 0x1ffffffff)
	pkg/sentry/kernel/task_syscall.go:239 +0x158
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc002453500, 0x1, 0xc000000003)
	pkg/sentry/kernel/task_syscall.go:206 +0x27c
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc002453500, 0x4, 0x0)
	pkg/sentry/kernel/task_run.go:329 +0x152b
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc002453500, 0xee1)
	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