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| author | Frantisek Sumsal <frantisek@sumsal.cz> | 2023-05-02 22:37:17 +0200 |
|---|---|---|
| committer | Frantisek Sumsal <frantisek@sumsal.cz> | 2023-05-03 10:09:53 +0200 |
| commit | 740831076cfcf2f73f3063fbb040c1ea593dfe6c (patch) | |
| tree | 0e8de689a29e95914c40b3b5357235073b3376d3 /src/shared/bpf-program.c | |
| parent | shared: ignore invalid valink socket fd when deserializing (diff) | |
| download | systemd-740831076cfcf2f73f3063fbb040c1ea593dfe6c.tar.xz systemd-740831076cfcf2f73f3063fbb040c1ea593dfe6c.zip | |
shared: reject empty attachment path
Diffstat (limited to 'src/shared/bpf-program.c')
| -rw-r--r-- | src/shared/bpf-program.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/shared/bpf-program.c b/src/shared/bpf-program.c index d5eb6f4ccb..f4bb7f390c 100644 --- a/src/shared/bpf-program.c +++ b/src/shared/bpf-program.c @@ -467,6 +467,9 @@ int bpf_program_deserialize_attachment(const char *v, FDSet *fds, BPFProgram **b return at; /* The rest is the path */ + if (isempty(v)) + return -EINVAL; + l = cunescape(v, 0, &unescaped); if (l < 0) return l; |