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/wt-4/tools/testing/selftests' make[1]: Entering directory '/home/virtme/testing/wt-4/tools/testing/selftests/net/forwarding' make[1]: Nothing to be done for 'all'. make[1]: Leaving directory '/home/virtme/testing/wt-4/tools/testing/selftests/net/forwarding' make[1]: Entering directory '/home/virtme/testing/wt-4/tools/testing/selftests/net/forwarding' TAP version 13 1..1 # overriding timeout to 21600 # selftests: net/forwarding: min_max_mtu.sh # 11.04 [+11.04] TEST: ping [ OK ] # 12.43 [+1.39] TEST: ping6 [ OK ] # 14.46 [+2.03] TEST: Test maximum MTU configuration [ OK ] # 21.36 [+6.90] TEST: Test traffic, packet size is maximum MTU [ OK ] # 23.19 [+1.83] TEST: Test minimum MTU configuration [ OK ] # 26.52 [+3.33] 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/wt-4/tools/testing/selftests/net/forwarding' make: Leaving directory '/home/virtme/testing/wt-4/tools/testing/selftests' xx__-> echo $? 0 xx__-> echo scan > /sys/kernel/debug/kmemleak xx__-> echo scan > /sys/kernel/debug/kmemleak && cat /sys/kernel/debug/kmemleak unreferenced object 0xffff888004fda940 (size 64): comm "ping6", pid 319, jiffies 4294691804 hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace (crc 0): __kmalloc_noprof+0x32b/0x460 udpv6_init_sock+0x237/0x410 inet6_create.part.0+0x989/0x10b0 __sock_create+0x235/0x690 __sys_socket+0x116/0x1d0 __x64_sys_socket+0x72/0xb0 do_syscall_64+0xc1/0x300 entry_SYSCALL_64_after_hwframe+0x4b/0x53 unreferenced object 0xffff88800a0e8e40 (size 64): comm "ping6", pid 396, jiffies 4294697880 hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace (crc 0): __kmalloc_noprof+0x32b/0x460 udpv6_init_sock+0x237/0x410 inet6_create.part.0+0x989/0x10b0 __sock_create+0x235/0x690 __sys_socket+0x116/0x1d0 DETECTED CRASH, lowering timeout __x64_sys_socket+0x72/0xb0 do_syscall_64+0xc1/0x300 entry_SYSCALL_64_after_hwframe+0x4b/0x53 unreferenced object 0xffff88800897a040 (size 64): comm "ping6", pid 424, jiffies 4294701073 hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace (crc 0): __kmalloc_noprof+0x32b/0x460 udpv6_init_sock+0x237/0x410 inet6_create.part.0+0x989/0x10b0 __sock_create+0x235/0x690 __sys_socket+0x116/0x1d0 __x64_sys_socket+0x72/0xb0 do_syscall_64+0xc1/0x300 entry_SYSCALL_64_after_hwframe+0x4b/0x53 xx__->