i think this fix is correct; i'm not sure why tokenize didn't have a problem walking a buffer it expects to be null terminated.
supermic% yesterday -d dial.c diff /n/dump/2016/0520/sys/src/libc/9sys/dial.c /sys/src/libc/9sys/dial.c 209a210 > int n; 211c212,213 < if (outstandingprocs(dp) && await(exitsts, sizeof exitsts) >= 0) { --- > if (outstandingprocs(dp) && (n = await(exitsts, sizeof exitsts)) >= 0) { > exitsts[n] = 0; supermic% > can you spot the problem in reap() function in /sys/src/libc/9sys/dial.c? > hint: in notedeath() there is a tokenize(exitsts, ...) > > static int > reap(Dest *dp) > { > char exitsts[2*ERRMAX]; > > if (outstandingprocs(dp) && await(exitsts, sizeof exitsts) >= 0) { > notedeath(dp, exitsts); > return 0; > } > return -1; > }