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| author | Warner Losh <imp@FreeBSD.org> | 2017-09-24 05:03:57 +0000 |
|---|---|---|
| committer | Warner Losh <imp@FreeBSD.org> | 2017-09-24 05:03:57 +0000 |
| commit | 547f34cace39b156d68197bf9ecbe0edfeec5084 (patch) | |
| tree | 11f769648955c583761162d9c9fad3a37ca4eb9f /contrib/one-true-awk | |
| parent | 27cb792d48174e0f893766e7e9e5544df1a0b9d9 (diff) | |
| download | src-test-547f34cace39b156d68197bf9ecbe0edfeec5084.tar.gz src-test-547f34cace39b156d68197bf9ecbe0edfeec5084.zip | |
Fix uninitialized variable
echo | awk 'BEGIN {i=$1; print i}' prints a boatload of stack
garbage. NUL terminate the memory returned from malloc to prevent it.
Obtained from: OpenBSD run.c 1.40
Sponsored by: Netflix
Differential Revision: https://reviews.freebsd.org/D12379
Notes
Notes:
svn path=/head/; revision=323963
Diffstat (limited to 'contrib/one-true-awk')
| -rw-r--r-- | contrib/one-true-awk/lib.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/contrib/one-true-awk/lib.c b/contrib/one-true-awk/lib.c index 5eeb53d4679db..ff5c95a731aa8 100644 --- a/contrib/one-true-awk/lib.c +++ b/contrib/one-true-awk/lib.c @@ -62,6 +62,7 @@ void recinit(unsigned int n) || (fldtab = (Cell **) malloc((nfields+1) * sizeof(Cell *))) == NULL || (fldtab[0] = (Cell *) malloc(sizeof(Cell))) == NULL ) FATAL("out of space for $0 and fields"); + *record = '\0'; *fldtab[0] = dollar0; fldtab[0]->sval = record; fldtab[0]->nval = tostring("0"); |