197072945a
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