W0318 12:29:24.928001 837362 log.go:377] Invalid request partialResult true and err (type safecopy.BusError) SIGBUS at 0x7f1ca5bd6000 for write operation on "/tmp/syzkaller-testdir643752381/syzkaller.W4mTXc/1986/memory.events": goroutine 133823 [running]: gvisor.dev/gvisor/pkg/log.Stacks(0x11e7b00, 0xc085ee3d20, 0xc0068f9a20, 0xc0068f99e8) pkg/log/log.go:357 +0xc6 gvisor.dev/gvisor/pkg/log.Traceback(0x130ad73, 0x4c, 0xc08c15b4a0, 0x5, 0x5) pkg/log/log.go:376 +0x34 gvisor.dev/gvisor/pkg/sentry/syscalls/linux.HandleIOErrorVFS2(0x145f320, 0xc088474000, 0x1459f01, 0x14313c0, 0xc0888ff980, 0x1431740, 0x1414180, 0x12c2088, 0x5, 0xc002b50400, ...) pkg/sentry/syscalls/linux/error.go:55 +0x31f gvisor.dev/gvisor/pkg/sentry/syscalls/linux/vfs2.Write(0xc088474000, 0x5, 0x20000200, 0x806000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ...) pkg/sentry/syscalls/linux/vfs2/read_write.go:388 +0x2db gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0xc088474000, 0x1, 0x5, 0x20000200, 0x806000, 0x0, 0x0, 0x0, 0x0, 0x12bfa60, ...) pkg/sentry/kernel/task_syscall.go:116 +0x1b9 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc088474000, 0x1, 0x5, 0x20000200, 0x806000, 0x0, 0x0, 0x0, 0x0, 0x0) pkg/sentry/kernel/task_syscall.go:291 +0x70 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc088474000, 0x1, 0x5, 0x20000200, 0x806000, 0x0, 0x0, 0x0, 0xc002fc91e0, 0xc002fc9140) pkg/sentry/kernel/task_syscall.go:238 +0xb4 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc088474000, 0x2, 0xc088474000) pkg/sentry/kernel/task_syscall.go:205 +0x198 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc088474000, 0x142f6a0, 0x0) pkg/sentry/kernel/task_run.go:327 +0xd95 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc088474000, 0x1712) pkg/sentry/kernel/task_run.go:100 +0x1e2 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:374 +0x116