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authorKarel Zak2017-09-18 10:41:20 +0200
committerKarel Zak2017-09-18 10:41:20 +0200
commit7928a926a05855c3f13f3d1c115f5a3a093d57ec (patch)
treef903cb90f7a3315d526af2fc7d24a827ebce0896 /libsmartcols/src
parentMerge branch 'patch-1' of https://github.com/aner-perez/util-linux (diff)
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libsmartcols: fix scols_line_move_cells() n+1 error [asan]
Reported-by: Sami Kerola <kerolasa@iki.fi> Signed-off-by: Karel Zak <kzak@redhat.com>
Diffstat (limited to 'libsmartcols/src')
-rw-r--r--libsmartcols/src/line.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/libsmartcols/src/line.c b/libsmartcols/src/line.c
index c2a991c2d..6c64e7f62 100644
--- a/libsmartcols/src/line.c
+++ b/libsmartcols/src/line.c
@@ -163,12 +163,12 @@ int scols_line_move_cells(struct libscols_line *ln, size_t newn, size_t oldn)
/* remove old possition (move data behind oldn to oldn) */
if (oldn + 1 < ln->ncells)
memmove(ln->cells + oldn, ln->cells + oldn + 1,
- (ln->ncells - oldn) * sizeof(struct libscols_cell));
+ (ln->ncells - oldn - 1) * sizeof(struct libscols_cell));
/* create a space for new position */
if (newn + 1 < ln->ncells)
memmove(ln->cells + newn + 1, ln->cells + newn,
- (ln->ncells - newn) * sizeof(struct libscols_cell));
+ (ln->ncells - newn - 1) * sizeof(struct libscols_cell));
/* copy original data to new position */
memcpy(&ln->cells[newn], &ce, sizeof(struct libscols_cell));