W0318 00:00:47.716130 204964 log.go:329] Invalid request partialResult true and err (type safecopy.BusError) SIGBUS at 0x7fcc307ac000 for pwritev operation on "/tmp/syzkaller-testdir216890805/syzkaller.KDwV2u/212/file0/bus": goroutine 46347 [running]: gvisor.dev/gvisor/pkg/log.Stacks(0xdec900, 0xc0041154a8, 0xc000262000, 0xc000337500) pkg/log/log.go:313 +0xbe gvisor.dev/gvisor/pkg/log.Traceback(0x1958da9, 0x4c, 0xc005332f50, 0x5, 0x5) pkg/log/log.go:328 +0x38 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.HandleIOErrorVFS2(0x1afbf60, 0xc004693500, 0x1af6901, 0x1acd4c0, 0xc00351fe10, 0x1acd840, 0x1ab0660, 0x1920092, 0x7, 0xc001fa2e00, ...) pkg/sentry/syscalls/linux/error.go:50 +0x497 gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Pwritev(0xc004693500, 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(0xc004693500, 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(0xc004693500, 0x128, 0x3, 0x20000080, 0x1, 0x0, 0x0, 0x0, 0x408eb8, 0xc004693de7) pkg/sentry/kernel/task_syscall.go:239 +0xba gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc004693500, 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(0xc004693500, 0x2, 0xc004693500) pkg/sentry/kernel/task_syscall.go:174 +0x1ea gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc004693500, 0x1acb7a0, 0x0) pkg/sentry/kernel/task_run.go:282 +0x12a7 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc004693500, 0x719) 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