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| author | Lennart Poettering <lennart@poettering.net> | 2024-11-08 23:06:44 +0100 |
|---|---|---|
| committer | Luca Boccassi <luca.boccassi@gmail.com> | 2024-11-13 15:18:05 +0100 |
| commit | 9466fe014f6083825ed819fe17bf98f72baa3af9 (patch) | |
| tree | a795538d80786d786d845a22ae3f8ce4bf29a4bf /src/basic | |
| parent | network/ndisc: fix removal of unnecessary routes (#35128) (diff) | |
| download | systemd-9466fe014f6083825ed819fe17bf98f72baa3af9.tar.xz systemd-9466fe014f6083825ed819fe17bf98f72baa3af9.zip | |
namespace-util: pin pid via pidfd during namespace_open()
Diffstat (limited to 'src/basic')
| -rw-r--r-- | src/basic/namespace-util.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/src/basic/namespace-util.c b/src/basic/namespace-util.c index a80ed32791..2c61506149 100644 --- a/src/basic/namespace-util.c +++ b/src/basic/namespace-util.c @@ -136,12 +136,14 @@ int namespace_open( int *ret_userns_fd, int *ret_root_fd) { - assert(pid >= 0); + _cleanup_(pidref_done) PidRef pidref = PIDREF_NULL; + int r; - if (pid == 0) - pid = getpid_cached(); + r = pidref_set_pid(&pidref, pid); + if (r < 0) + return r; - return pidref_namespace_open(&PIDREF_MAKE_FROM_PID(pid), ret_pidns_fd, ret_mntns_fd, ret_netns_fd, ret_userns_fd, ret_root_fd); + return pidref_namespace_open(&pidref, ret_pidns_fd, ret_mntns_fd, ret_netns_fd, ret_userns_fd, ret_root_fd); } int namespace_enter(int pidns_fd, int mntns_fd, int netns_fd, int userns_fd, int root_fd) { |