[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [xen master] tools/xenstore: fix hashtable_expand() zeroing new area
commit b977929d3646a390f1a7b4540fcd7a36aa59ff14 Author: Juergen Gross <jgross@xxxxxxxx> AuthorDate: Fri Jan 21 16:21:19 2022 +0100 Commit: Andrew Cooper <andrew.cooper3@xxxxxxxxxx> CommitDate: Fri Jan 21 15:34:45 2022 +0000 tools/xenstore: fix hashtable_expand() zeroing new area When realloc()ing the hashtable for expanding it, zero out all the new bytes at the end of the table, not only one byte for each new element. Fixes: 186f0e02a1c ("Added hashtable implementation") Signed-off-by: Juergen Gross <jgross@xxxxxxxx> Reviewed-by: Anthony PERARD <anthony.perard@xxxxxxxxxx> --- tools/xenstore/hashtable.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/tools/xenstore/hashtable.c b/tools/xenstore/hashtable.c index 39fb3ed338..6ac336eff1 100644 --- a/tools/xenstore/hashtable.c +++ b/tools/xenstore/hashtable.c @@ -136,7 +136,8 @@ hashtable_expand(struct hashtable *h) realloc(h->table, newsize * sizeof(struct entry *)); if (NULL == newtable) { (h->primeindex)--; return 0; } h->table = newtable; - memset(newtable[h->tablelength], 0, newsize - h->tablelength); + memset(newtable + h->tablelength, 0, + (newsize - h->tablelength) * sizeof(*newtable)); for (i = 0; i < h->tablelength; i++) { for (pE = &(newtable[i]), e = *pE; e != NULL; e = *pE) { index = indexFor(newsize,e->h); -- generated by git-patchbot for /home/xen/git/xen.git#master
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