From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eva Kurchatova Date: Fri, 21 Aug 2026 18:03:58 +0300 Subject: [Devel] [PATCH vz10] selftests/uevent: give the netlink socket a usable receive buffer Message-ID: <20260821150402.792278-1-eva.kurchatova@virtuozzo.com> List-Id: SO_RCVBUF is set to __UEVENT_BUFFER_SIZE, 4KB, which a busy machine overruns while the test is listening: No buffer space available - Failed to receive uevent https://virtuozzo.atlassian.net/browse/VSTOR-139674 Feature: fix selftests Signed-off-by: Eva Kurchatova --- tools/testing/selftests/uevent/uevent_filtering.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/uevent/uevent_filtering.c b/tools/testing/selftests/uevent/uevent_filtering.c index 8062804ff759..3b504c9e645d 100644 --- a/tools/testing/selftests/uevent/uevent_filtering.c +++ b/tools/testing/selftests/uevent/uevent_filtering.c @@ -22,7 +22,7 @@ #include "../kselftest_harness.h" #define __DEV_FULL "/sys/devices/virtual/mem/full/uevent" -#define __UEVENT_BUFFER_SIZE (2048 * 2) +#define __UEVENT_BUFFER_SIZE (2048 * 64) #define __UEVENT_HEADER "add@/devices/virtual/mem/full" #define __UEVENT_HEADER_LEN sizeof("add@/devices/virtual/mem/full") #define __UEVENT_LISTEN_ALL -1 -- 2.55.0