shinys000114/linux
1
0
Fork 0
mirror of https://github.com/hardkernel/linux.git synced 2026-06-07 19:30:30 +09:00
Code Issues Packages Projects Releases Wiki Activity

bpf: do not blindly change rlimit in reuseport net selftest

Browse Source 
[ Upstream commit 262f9d811c ]

If the current process has unlimited RLIMIT_MEMLOCK,
we should should leave it as is.

Fixes: 941ff6f11c ("bpf: fix rlimit in reuseport net selftest")
Signed-off-by: John Sperbeck <jsperbeck@google.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Eric Dumazet
2018-10-05 19:38:46 -07:00
committed by Chris
parent fdc316d559
commit 29b0600283
1 changed files with 9 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
tools/testing/selftests/net/reuseport_bpf.c
View File

@@ -437,14 +437,19 @@ void enable_fastopen(void)
}
}
static struct rlimit rlim_old, rlim_new;
static struct rlimit rlim_old;
static __attribute__((constructor)) void main_ctor(void)
{
getrlimit(RLIMIT_MEMLOCK, &rlim_old);
rlim_new.rlim_cur = rlim_old.rlim_cur + (1UL << 20);
rlim_new.rlim_max = rlim_old.rlim_max + (1UL << 20);
setrlimit(RLIMIT_MEMLOCK, &rlim_new);
if (rlim_old.rlim_cur != RLIM_INFINITY) {
struct rlimit rlim_new;
rlim_new.rlim_cur = rlim_old.rlim_cur + (1UL << 20);
rlim_new.rlim_max = rlim_old.rlim_max + (1UL << 20);
setrlimit(RLIMIT_MEMLOCK, &rlim_new);
}
}
static __attribute__((destructor)) void main_dtor(void)