e6a63bf68
Ron Yorston
2018-11-16
Subject
ash: ensure variables are fully initialised when unset
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shell/ash.c+2 -3
| @@ -2420,13 +2420,12 @@ setvar(const char *name, const char *val, int flags) | |
| } | |
| INT_OFF; | |
| - | nameeq = ckmalloc(namelen + vallen + 2); |
| + | nameeq = ckzalloc(namelen + vallen + 2); |
| p = mempcpy(nameeq, name, namelen); | |
| if (val) { | |
| *p++ = '='; | |
| - | p = mempcpy(p, val, vallen); |
| + | memcpy(p, val, vallen); |
| } | |
| - | *p = '\0'; |
| vp = setvareq(nameeq, flags | VNOSAVE); | |
| INT_ON; | |