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libmach: plug memory leak

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Change-Id: I08cb7227c071c7fc2e30f43e07bcf599fc1d174a
This commit is contained in:
Neven Sajko 2019-08-11 00:54:13 +00:00 committed by Dan Cross
parent a4e59b3702
commit 2c97de1a26
1 changed files with 4 additions and 1 deletions
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5
src/libmach/elf.c
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@ -191,7 +191,7 @@ elfinit(int fd)
ElfHdrBytes h32;
ElfHdrBytes64 h64;
} hdrb;
void *p;
void *p = nil;
ElfSect *s;
e = mallocz(sizeof(Elf), 1);
@ -234,6 +234,7 @@ elfinit(int fd)
unpackprog(h, &e->prog[i], p);
}
free(p);
p = nil;
e->nsect = h->shnum;
if(e->nsect == 0)
@ -247,6 +248,7 @@ elfinit(int fd)
unpacksect(h, &e->sect[i], p);
}
free(p);
p = nil;
if(h->shstrndx >= e->nsect){
fprint(2, "warning: bad string section index %d >= %d", h->shstrndx, e->nsect);
@ -287,6 +289,7 @@ nosects:
return e;
err:
free(p);
free(e->sect);
free(e->prog);
free(e->shstrtab);