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top: one sanity check endpoint->slot number

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This commit is contained in:
Ben Gras 2011-06-22 15:46:33 +02:00
parent 67c2d2fa54
commit fa0fe45103
1 changed files with 10 additions and 1 deletions
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11
commands/top/top.c
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@ -88,6 +88,7 @@ void parse_file(pid_t pid)
unsigned long cycles_hi, cycles_lo; unsigned long cycles_hi, cycles_lo;
FILE *fp; FILE *fp;
struct proc *p; struct proc *p;
int slot;
int i; int i;
sprintf(path, "%d/psinfo", pid); sprintf(path, "%d/psinfo", pid);
@ -110,7 +111,15 @@ void parse_file(pid_t pid)
return; return;
} }
p = &proc[SLOT_NR(endpt)]; slot = SLOT_NR(endpt);
if(slot < 0 || slot >= nr_total) {
fprintf(stderr, "top: unreasonable endpoint number %d\n", endpt);
fclose(fp);
return;
}
p = &proc[slot];
if (type == TYPE_TASK) if (type == TYPE_TASK)
p->p_flags |= IS_TASK; p->p_flags |= IS_TASK;