diff options
Diffstat (limited to 'isolation.c')
| -rw-r--r-- | isolation.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/isolation.c b/isolation.c index bbcd23b..b25f349 100644 --- a/isolation.c +++ b/isolation.c @@ -188,6 +188,9 @@ void isolate_initial(int argc, char **argv) * We have to keep CAP_SETUID and CAP_SETGID at this stage, so * that we can switch user away from root. * + * CAP_DAC_OVERRIDE may be required for socket setup when combined + * with --runas. + * * We have to keep some capabilities for the --netns-only case: * - CAP_SYS_ADMIN, so that we can setns() to the netns. * - Keep CAP_NET_ADMIN, so that we can configure interfaces @@ -198,7 +201,7 @@ void isolate_initial(int argc, char **argv) * isolate_prefork(). */ keep = BIT(CAP_NET_BIND_SERVICE) | BIT(CAP_SETUID) | BIT(CAP_SETGID) | - BIT(CAP_SYS_ADMIN) | BIT(CAP_NET_ADMIN); + BIT(CAP_SYS_ADMIN) | BIT(CAP_NET_ADMIN) | BIT(CAP_DAC_OVERRIDE); /* Since Linux 5.12, if we want to update /proc/self/uid_map to create * a mapping from UID 0, which only happens with pasta spawning a child |