diff options
| -rw-r--r-- | src/shared/capability.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/src/shared/capability.c b/src/shared/capability.c index 57f392a4da..915ceb9d9b 100644 --- a/src/shared/capability.c +++ b/src/shared/capability.c @@ -275,10 +275,10 @@ int drop_privileges(uid_t uid, gid_t gid, uint64_t keep_capabilities) { if (keep_capabilities & (1ULL << i)) bits[j++] = i; - /* don't keep too many bits */ - assert((keep_capabilities & (~1ULL << i)) == 0); - /* don't throw away too many bits */ - assert(((keep_capabilities >> i) & (~1ULL >> i)) == 0); + /* use enough bits */ + assert(i == 64 || (keep_capabilities >> i) == 0); + /* don't use too many bits */ + assert(keep_capabilities & (1ULL << (i - 1))); if (cap_set_flag(d, CAP_EFFECTIVE, j, bits, CAP_SET) < 0 || cap_set_flag(d, CAP_PERMITTED, j, bits, CAP_SET) < 0) { |