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| author | Lennart Poettering <lennart@poettering.net> | 2021-10-13 12:38:37 +0200 |
|---|---|---|
| committer | Lennart Poettering <lennart@poettering.net> | 2021-10-14 15:57:52 +0200 |
| commit | 2f82562bad423d1190912a4b209647dfac966db2 (patch) | |
| tree | 766d61a085ee9674d8034351a83f64bcdf5d45bb /src/core/dbus-execute.c | |
| parent | 5222651ecc6f46391e5e0d9cf19793bfe65b0ec8 (diff) | |
| download | systemd-2f82562bad423d1190912a4b209647dfac966db2.tar.gz | |
alloc-util: add strdupa_safe() + strndupa_safe() and use it everywhere
Let's define two helpers strdupa_safe() + strndupa_safe() which do the
same as their non-safe counterparts, except that they abort if called
with allocations larger than ALLOCA_MAX.
This should ensure that all our alloca() based allocations are subject
to this limit.
afaics glibc offers three alloca() based APIs: alloca() itself,
strndupa() + strdupa(). With this we have now replacements for all of
them, that take the limit into account.
Diffstat (limited to 'src/core/dbus-execute.c')
| -rw-r--r-- | src/core/dbus-execute.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/core/dbus-execute.c b/src/core/dbus-execute.c index 44f9ee57bd..1c82c7d90d 100644 --- a/src/core/dbus-execute.c +++ b/src/core/dbus-execute.c @@ -3462,7 +3462,7 @@ int bus_exec_context_set_transient_property( if (soft) { const char *n; - n = strndupa(suffix, soft - suffix); + n = strndupa_safe(suffix, soft - suffix); ri = rlimit_from_string(n); if (ri >= 0) name = strjoina("Limit", n); |