make -C tools/testing/selftests TARGETS="net/forwarding" TEST_PROGS=min_maax_mtu.sh TEST_GEN_PROGS="" run_tests make: Entering directory '/home/virtme/testing-4/tools/testing/selftests' make[1]: Entering directory '/home/virtme/testing-4/tools/testing/selftests/net/forwarding' make[1]: Nothing to be done for 'all'. make[1]: Leaving directory '/home/virtme/testing-4/tools/testing/selftests/net/forwarding' make[1]: Entering directory '/home/virtme/testing-4/tools/testing/selftests/net/forwarding' TAP version 13 1..1 # overriding timeout to 21600 # selftests: net/forwarding: min_max_mtu.sh # 9.51 [+9.51] TEST: ping [ OK ] # 10.78 [+1.27] TEST: ping6 [ OK ] # 12.08 [+1.30] TEST: Test maximum MTU configuration [ OK ] # 17.58 [+5.50] TEST: Test traffic, packet size is maximum MTU [ OK ] # 18.99 [+1.41] TEST: Test minimum MTU configuration [ OK ] # 21.59 [+2.60] TEST: Test traffic, packet size is minimum MTU [ OK ] ok 1 selftests: net/forwarding: min_max_mtu.sh make[1]: Leaving directory '/home/virtme/testing-4/tools/testing/selftests/net/forwarding' make: Leaving directory '/home/virtme/testing-4/tools/testing/selftests' xx__-> echo $? 0 xx__-> echo scan > /sys/kernel/debug/kmemleak && cat /sys/kernel/debug/kmemleak unreferenced object 0x00042aa0 (size 64): comm "swapper/0", pid 0, jiffies 4294667296 hex dump (first 32 bytes on cpu 2): 00 00 00 00 00 00 00 00 00 00 06 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace (crc 0): pcpu_alloc_noprof+0x4ad/0xab0 setup_zone_pageset+0x30/0x290 setup_per_cpu_pageset+0x6a/0x1f0 start_kernel+0x2a4/0x410 x86_64_start_reservations+0x18/0x30 x86_64_start_kernel+0xba/0x110 common_startup_64+0x12c/0x138 unreferenced object 0x00042dc0 (size 48): comm "swapper/0", pid 0, jiffies 4294667296 hex dump (first 32 bytes on cpu 2): 18 04 01 13 f1 00 00 ee 00 00 00 00 00 00 00 00 ................ 00 00 06 03 04 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace (crc 0): pcpu_alloc_noprof+0x4ad/0xab0 setup_per_cpu_pageset+0xd2/0x1f0 start_kernel+0x2a4/0x410 x86_64_start_reservations+0x18/0x30 x86_64_start_kernel+0xba/0x110 comm DETECTED CRASH, lowering timeout on_startup_64+0x12c/0x138 xx__->