W0306 07:05:40.781830 430287 log.go:379] Invalid request partialResult true and err (type safecopy.BusError) SIGBUS at 0x7f95f3633000 for pwritev operation on "/tmp/syzkaller-testdir296149117/syzkaller.paX9kr/799/memory.events": goroutine 88246 [running]: gvisor.dev/gvisor/pkg/log.Stacks(0x251b800, 0xc000000001, 0xc000000001, 0x1c639c0) pkg/log/log.go:359 +0x119 gvisor.dev/gvisor/pkg/log.Traceback(0x1af2f4e, 0x4c, 0xc0064b8c30, 0x5, 0x5) pkg/log/log.go:378 +0x50 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.HandleIOErrorVFS2(0x1c639c0, 0xc004d94000, 0x1, 0x1c37640, 0xc001beda88, 0x1c379c0, 0x1c1b098, 0x1aabb23, 0x7, 0xc0016b1e80, ...) pkg/sentry/syscalls/linux/error.go:56 +0x52d gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Pwritev(0xc004d94000, 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(0xc004d94000, 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(0xc004d94000, 0x128, 0x5, 0x200004c0, 0x3, 0x0, 0x0, 0x0, 0x408eb8, 0xc004d948e7) pkg/sentry/kernel/task_syscall.go:292 +0xd2 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc004d94000, 0x128, 0x5, 0x200004c0, 0x3, 0x0, 0x0, 0x0, 0xc006302a60, 0x1ffffffff) pkg/sentry/kernel/task_syscall.go:239 +0x158 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc004d94000, 0x1, 0xc000000003) pkg/sentry/kernel/task_syscall.go:206 +0x27c gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc004d94000, 0x3, 0x0) pkg/sentry/kernel/task_run.go:329 +0x152b gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc004d94000, 0x8e1) 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