diff options
| author | Martin KaFai Lau <martin.lau@linux.dev> | 2022-08-30 16:19:53 -0700 |
|---|---|---|
| committer | Daniel Borkmann <daniel@iogearbox.net> | 2022-08-31 22:22:29 +0200 |
| commit | 197072945a708d62181895409effdfcda80c7798 (patch) | |
| tree | ec9c9a9ecaa2b308aec7cd238ce61b157658dab4 /scripts/bpf_doc.py | |
| parent | 84e5a0f208ca341ec1ea88a97c40849a2d541faa (diff) | |
selftest/bpf: Ensure no module loading in bpf_setsockopt(TCP_CONGESTION)
This patch adds a test to ensure bpf_setsockopt(TCP_CONGESTION, "not_exist")
will not trigger the kernel module autoload.
Before the fix:
[ 40.535829] BUG: sleeping function called from invalid context at include/linux/sched/mm.h:274
[...]
[ 40.552134] tcp_ca_find_autoload.constprop.0+0xcb/0x200
[ 40.552689] tcp_set_congestion_control+0x99/0x7b0
[ 40.553203] do_tcp_setsockopt+0x3ed/0x2240
[...]
[ 40.556041] __bpf_setsockopt+0x124/0x640
Signed-off-by: Martin KaFai Lau <martin.lau@linux.dev>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20220830231953.792412-1-martin.lau@linux.dev
Diffstat (limited to 'scripts/bpf_doc.py')
0 files changed, 0 insertions, 0 deletions