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terminal-util: add paranoid overflow check

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Lennart Poettering
2019-03-26 17:22:18 +01:00
parent f171decd3f
commit 1fd4c4edce
1 changed files with 4 additions and 0 deletions
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4
src/basic/terminal-util.c
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@@ -1041,6 +1041,10 @@ int ptsname_malloc(int fd, char **ret) {
}
free(c);
if (l > SIZE_MAX / 2)
return -ENOMEM;
l *= 2;
}
}