aboutsummaryrefslogtreecommitdiff
path: root/include/asm-generic
diff options
context:
space:
mode:
authorHou Tao2023-12-15 18:07:08 +0800
committerDaniel Borkmann2023-12-15 22:54:55 +0100
commit1467affd16b236fc86e1b8ec5eaa147e104cd2a6 (patch)
tree4f635246979dbe7796567907dcb483e89297430e /include/asm-generic
parent00cdcd2900bdb9190d1e75438b39cef74cd99232 (diff)
selftests/bpf: Add test for abnormal cnt during multi-kprobe attachment
If an abnormally huge cnt is used for multi-kprobes attachment, the following warning will be reported: ------------[ cut here ]------------ WARNING: CPU: 1 PID: 392 at mm/util.c:632 kvmalloc_node+0xd9/0xe0 Modules linked in: bpf_testmod(O) CPU: 1 PID: 392 Comm: test_progs Tainted: G ...... 6.7.0-rc3+ #32 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996) ...... RIP: 0010:kvmalloc_node+0xd9/0xe0 ? __warn+0x89/0x150 ? kvmalloc_node+0xd9/0xe0 bpf_kprobe_multi_link_attach+0x87/0x670 __sys_bpf+0x2a28/0x2bc0 __x64_sys_bpf+0x1a/0x30 do_syscall_64+0x36/0xb0 entry_SYSCALL_64_after_hwframe+0x6e/0x76 RIP: 0033:0x7fbe067f0e0d ...... </TASK> ---[ end trace 0000000000000000 ]--- So add a test to ensure the warning is fixed. Signed-off-by: Hou Tao <houtao1@huawei.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Jiri Olsa <jolsa@kernel.org> Acked-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20231215100708.2265609-6-houtao@huaweicloud.com
Diffstat (limited to 'include/asm-generic')
0 files changed, 0 insertions, 0 deletions