make -C tools/testing/selftests TARGETS="drivers/net/netdevsim" TEST_PROGSS=udp_tunnel_nic.sh TEST_GEN_PROGS="" run_tests make: Entering directory '/home/virtme/testing-14/tools/testing/selftests' make[1]: Entering directory '/home/virtme/testing-14/tools/testing/selftests/drivers/net/netdevsim' make[1]: Nothing to be done for 'all'. make[1]: Leaving directory '/home/virtme/testing-14/tools/testing/selftests/drivers/net/netdevsim' make[1]: Entering directory '/home/virtme/testing-14/tools/testing/selftests/drivers/net/netdevsim' TAP version 13 1..1 # overriding timeout to 1200 # selftests: drivers/net/netdevsim: udp_tunnel_nic.sh # ./udp_tunnel_nic.sh: line 269: /sys/kernel/debug/netdevsim/netdevsim646/udp_ports_sleep: Permission denied WAIT TIMEOUT stdout Ctrl-C stdout Ctrl-C stdout ^Cmake[1]: *** [../../../lib.mk:142: run_tests] Interrupt make: *** [Makefile:216: run_tests] Interrupt xx__-> echo scan > /sys/kernel/debug/kmemleak && cat /sys/kernel/debug/kmemleak unreferenced object 0xffff888010d67400 (size 128): comm "udp_tunnel_nic.", pid 13309, jiffies 4295937208 hex dump (first 32 bytes): 00 00 00 04 00 00 00 00 08 74 d6 10 80 88 ff ff .........t...... 08 74 d6 10 80 88 ff ff 50 08 44 c0 ff ff ff ff .t......P.D..... backtrace (crc 13895513): __kmalloc_noprof+0x32f/0x470 0xffffffffc043c64d 0xffffffffc043fe69 0xffffffffc044039d notifier_call_chain+0xcd/0x150 register_netdevice+0xf91/0x17c0 nsim_init_netdevsim+0x55c/0x7c0 [netdevsim] nsim_create+0x3ec/0x510 [netdevsim] __nsim_dev_port_add+0x22e/0x6e0 [netdevsim] nsim_dev_port_add_all+0x39/0xf0 [netdevsim] nsim_drv_probe+0x61c/0x8b0 [netdevsim] really_probe+0x1e2/0x920 __driver_probe_device+0x2e6/0x3e0 driver_probe_device+0x49/0x140 __device_attach_driver+0x192/0x2b0 bus_for_each_drv+0x109/0x190 unreferenced object 0xffff88800d5dada0 (size 32): comm "udp_tunnel_nic.", pid 13309, jiffies 4295937208 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+0x32f/0x470 0xffffffffc043c79a 0xffffffffc043fe69 0xffffffffc044039d notifier_call_chain+0xcd/0x150 register_netdevice+0xf91/0x17c0 nsim_init_netdevsim+0x55c/0x7c0 [netdevsim] nsim_create+0x3ec/0x510 [netdevsim] __nsim_dev_port_add+0x22e/0x6e0 [netdevsim] nsim_dev_port_add_all+0x39/0xf0 [netdevsim] nsim_drv_probe+0x61c/0x8b0 [netdevsim] really_probe+0x1e2/0x920 __driver_probe_device+0x2e6/0x3e0 driver_probe_device+0x49/0x140 __device_attach_driver+0x192/0x2b0 bus_for_each_drv+0x109/0x190 unreferenced object 0xffff88800d5daf20 (size 32): comm "udp_tunnel_nic.", pid 13309, jiffies 4295937208 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+0x32f/0x470 0xffffffffc043c79a 0xffffffffc043fe69 0xffffffffc044039d notifier_call_chain+0xcd/0x150 register_netdevice+0xf91/0x17c0 nsim_init_netdevsim+0x55c/0x7c0 [netdevsim] nsim_create+0x3ec/0x510 [netdevsim] __nsim_dev_port_add+0x22e/0x6e0 [netdevsim] nsim_dev_port_add_all+0x39/0xf0 [netdevsim] nsim_drv_probe+0x61c/0x8b0 [netdevsim] really_probe+0x1e2/0x920 __driver_probe_device+0x2e6/0x3e0 driver_probe_device+0x49/0x140 __device_attach_driver+0x192/0x2b0 bus_for_each_drv+0x109/0x190 xx__-> echo scan > /sys/kernel/debug/kmemleak && cat /sys/kernel/debug/kmemleak unreferenced object 0xffff888010d67400 (size 128): comm "udp_tunnel_nic.", pid 13309, jiffies 4295937208 hex dump (first 32 bytes): 00 00 00 04 00 00 00 00 08 74 d6 10 80 88 ff ff .........t...... 08 74 d6 10 80 88 ff ff 50 08 44 c0 ff ff ff ff .t......P.D..... backtrace (crc 13895513): __kmalloc_noprof+0x32f/0x470 0xffffffffc043c64d 0xffffffffc043fe69 0xffffffffc044039d notifier_call_chain+0xcd/0x150 register_netdevice+0xf91/0x17c0 nsim_init_netdevsim+0x55c/0x7c0 [netdevsim] nsim_create+0x3ec/0x510 [netdevsim] __nsim_dev_port_add+0x22e/0x6e0 [netdevsim] nsim_dev_port_add_all+0x39/0xf0 [netdevsim] nsim_drv_probe+0x61c/0x8b0 [netdevsim] really_probe+0x1e2/0x920 __driver_probe_device+0x2e6/0x3e0 driver_probe_device+0x49/0x140 __device_attach_driver+0x192/0x2b0 bus_for_each_drv+0x109/0x190 unreferenced object 0xffff88800d5dada0 (size 32): comm "udp_tunnel_nic.", pid 13309, jiffies 4295937208 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+0x32f/0x470 0xffffffffc043c79a 0xffffffffc043fe69 0xffffffffc044039d notifier_call_chain+0xcd/0x150 register_netdevice+0xf91/0x17c0 nsim_init_netdevsim+0x55c/0x7c0 [netdevsim] nsim_create+0x3ec/0x510 [netdevsim] __nsim_dev_port_add+0x22e/0x6e0 [netdevsim] nsim_dev_port_add_all+0x39/0xf0 [netdevsim] nsim_drv_probe+0x61c/0x8b0 [netdevsim] really_probe+0x1e2/0x920 __driver_probe_device+0x2e6/0x3e0 driver_probe_device+0x49/0x140 __device_attach_driver+0x192/0x2b0 bus_for_each_drv+0x109/0x190 unreferenced object 0xffff88800d5daf20 (size 32): comm "udp_tunnel_nic.", pid 13309, jiffies 4295937208 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+0x32f/0x470 0xffffffffc043c79a 0xffffffffc043fe69 0xffffffffc044039d notifier_call_chain+0xcd/0x150 register_netdevice+0xf91/0x17c0 nsim_init_netdevsim+0x55c/0x7c0 [netdevsim] nsim_create+0x3ec/0x510 [netdevsim] __nsim_dev_port_add+0x22e/0x6e0 [netdevsim] nsim_dev_port_add_all+0x39/0xf0 [netdevsim] nsim_drv_probe+0x61c/0x8b0 [netdevsim] really_probe+0x1e2/0x920 __driver_probe_device+0x2e6/0x3e0 driver_probe_device+0x49/0x140 __device_attach_driver+0x192/0x2b0 bus_for_each_drv+0x109/0x190 xx__->