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| author | Lennart Poettering <lennart@poettering.net> | 2019-03-26 17:22:18 +0100 |
|---|---|---|
| committer | Lennart Poettering <lennart@poettering.net> | 2019-03-27 12:43:34 +0100 |
| commit | 1fd4c4edced482ded1cdf09997bf419c14e6a3b8 (patch) | |
| tree | 19c5d13b16f7fa9d8d40bdb90a80355a0a373ba3 /src/basic | |
| parent | f171decd3f05573efc5420db0c1630969fde67a0 (diff) | |
| download | systemd-1fd4c4edced482ded1cdf09997bf419c14e6a3b8.tar.gz | |
terminal-util: add paranoid overflow check
Diffstat (limited to 'src/basic')
| -rw-r--r-- | src/basic/terminal-util.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/basic/terminal-util.c b/src/basic/terminal-util.c index a1a789984f..b692c52e59 100644 --- a/src/basic/terminal-util.c +++ b/src/basic/terminal-util.c @@ -1041,6 +1041,10 @@ int ptsname_malloc(int fd, char **ret) { } free(c); + + if (l > SIZE_MAX / 2) + return -ENOMEM; + l *= 2; } } |