W0318 14:47:05.356868 407064 log.go:379] Invalid request partialResult true and err (type safecopy.BusError) SIGBUS at 0x7fd77072c000 for pwritev operation on "/tmp/syzkaller-testdir721519226/syzkaller.vdNgc9/1020/memory.events": goroutine 111991 [running]: gvisor.dev/gvisor/pkg/log.Stacks(0x253ce00, 0xc000000001, 0xc000000001, 0x1c7b420) pkg/log/log.go:359 +0x119 gvisor.dev/gvisor/pkg/log.Traceback(0x1b092d9, 0x4c, 0xc005a088c0, 0x5, 0x5) pkg/log/log.go:378 +0x50 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.HandleIOErrorVFS2(0x1c7b420, 0xc004fe0a80, 0x1, 0x1c4e860, 0xc0061df020, 0x1c4ebe0, 0x1c320d8, 0x1ac1ab2, 0x7, 0xc002781080, ...) pkg/sentry/syscalls/linux/error.go:56 +0x52d gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Pwritev(0xc004fe0a80, 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(0xc004fe0a80, 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(0xc004fe0a80, 0x128, 0x5, 0x200004c0, 0x3, 0x0, 0x0, 0x0, 0x408eb8, 0xc004fe1367) pkg/sentry/kernel/task_syscall.go:292 +0xd2 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc004fe0a80, 0x128, 0x5, 0x200004c0, 0x3, 0x0, 0x0, 0x0, 0xc00591d120, 0x1ffffffff) pkg/sentry/kernel/task_syscall.go:239 +0x158 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc004fe0a80, 0x1, 0xc000000002) pkg/sentry/kernel/task_syscall.go:206 +0x27c gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc004fe0a80, 0x1, 0x0) pkg/sentry/kernel/task_run.go:329 +0x152b gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc004fe0a80, 0xab5) 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