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| author | Seung-Woo Kim <sw0312.kim@samsung.com> | 2021-04-13 20:23:15 +0900 |
|---|---|---|
| committer | Seung-Woo Kim <sw0312.kim@samsung.com> | 2021-05-20 18:48:20 +0900 |
| commit | 121ab7ff8fd1fb66e74431b71b5e0703e9912de1 (patch) | |
| tree | 754cfbd9ec5d62f5c6291570ac5a2123210e8bfa | |
| parent | 6192674bed14c2f3aa307b8761377f322dc76c29 (diff) | |
| download | kmod-121ab7ff8fd1fb66e74431b71b5e0703e9912de1.tar.gz kmod-121ab7ff8fd1fb66e74431b71b5e0703e9912de1.tar.bz2 kmod-121ab7ff8fd1fb66e74431b71b5e0703e9912de1.zip | |
libkmod: fix possible double free with wrong modules.builtin.modinfo
Fix double free for *modinfo with non '\0' terminated wrong
modules.builtin.modinfo, which is because EOF is minus value.
Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
[sw0312.kim: cherry-pick mainline commit 675410c3b3b1]
Change-Id: I9899505ff12d1444013b92007bb0474115047104
| -rw-r--r-- | libkmod/libkmod-builtin.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libkmod/libkmod-builtin.c b/libkmod/libkmod-builtin.c index a75a542..a002cb5 100644 --- a/libkmod/libkmod-builtin.c +++ b/libkmod/libkmod-builtin.c @@ -313,7 +313,7 @@ ssize_t kmod_builtin_get_modinfo(struct kmod_ctx *ctx, const char *modname, while (offset < iter->next) { offset = get_string(iter, pos, &line, &linesz); if (offset <= 0) { - count = (offset) ? -errno : -EOF; + count = (offset) ? -errno : -EINVAL; free(*modinfo); goto fail; } |