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dbus-sysdeps-unix: Check socklen_t is unsigned when getting group list

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After the change to handle an empty list properly, the function now
assumes that is true.

(cherry picked from commit 49dd4aba42)
This commit is contained in:
cptpcrd 2023-07-31 19:33:33 -04:00 • committed by Simon McVittie
parent 8a98ef62b0
commit fa7eaefe7c
1 changed files with 2 additions and 0 deletions
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2
dbus/dbus-sysdeps-unix.c
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@ -1932,6 +1932,8 @@ add_groups_to_credentials (int client_fd,
{
#if defined(__linux__) && defined(SO_PEERGROUPS)
_DBUS_STATIC_ASSERT (sizeof (gid_t) <= sizeof (dbus_gid_t));
/* This function assumes socklen_t is unsigned, which is true on Linux */
_DBUS_STATIC_ASSERT (((socklen_t) -1) > 0);
gid_t *buf = NULL;
socklen_t len = 1024;
dbus_bool_t oom = FALSE;