make -C tools/testing/selftests TARGETS="net" TEST_PROGS=msg_zerocopy.sh TTEST_GEN_PROGS="" run_tests make: Entering directory '/home/virtme/testing-3/tools/testing/selftests' make[1]: Entering directory '/home/virtme/testing-3/tools/testing/selftests/net' make[1]: Nothing to be done for 'all'. make[1]: Leaving directory '/home/virtme/testing-3/tools/testing/selftests/net' make[1]: Entering directory '/home/virtme/testing-3/tools/testing/selftests/net' TAP version 13 1..1 # overriding timeout to 7200 # selftests: net: msg_zerocopy.sh # 1.29 [+1.29] ipv4 tcp -t 1 # 2.85 [+1.55] tx=8402 (524 MB) txc=0 zc=n # 3.25 [+0.40] rx=4196 (524 MB) # 3.25 [+0.00] ipv4 tcp -z -t 1 # 4.86 [+1.61] tx=5423 (338 MB) txc=5423 zc=n # 5.22 [+0.36] rx=2712 (338 MB) # 5.22 [+0.00] ok # 6.68 [+1.46] ipv6 tcp -t 1 # 8.23 [+1.55] tx=8562 (534 MB) txc=0 zc=n # 8.63 [+0.40] rx=4274 (534 MB) # 8.63 [+0.00] ipv6 tcp -z -t 1 # 10.24 [+1.61] tx=5328 (332 MB) txc=5328 zc=n # 10.60 [+0.36] rx=2664 (332 MB) # 10.60 [+0.00] ok # 12.07 [+1.47] ipv4 udp -t 1 # 13.62 [+1.55] tx=16621 (1037 MB) txc=0 zc=n # 14.12 [+0.50] rx=15998 (998 MB) # 14.12 [+0.00] ipv4 udp -z -t 1 # 15.69 [+1.57] tx=6523 (407 MB) txc=6523 zc=n # 16.18 [+0.49] rx=6513 (406 MB) # 16.19 [+0.01] ok # 17.66 [+1.46] ipv6 udp -t 1 # 19.22 [+1.56] tx=16603 (1036 MB) txc=0 zc=n # 19.72 [+0.50] rx=16041 (1001 MB) # 19.72 [+0.00] ipv6 udp -z -t 1 # 21.29 [+1.57] tx=6473 (403 MB) txc=6473 zc=n # 21.79 [+0.50] rx=6473 (403 MB) # 21.80 [+0.01] ok # 21.98 [+0.18] OK. All tests passed ok 1 selftests: net: msg_zerocopy.sh make[1]: Leaving directory '/home/virtme/testing-3/tools/testing/selftests/net' make: Leaving directory '/home/virtme/testing-3/tools/testing/selftests' xx__-> echo $? 0 xx__-> echo scan > /sys/kernel/debug/kmemleak && cat /sys/kernel/debug/kmemleak unreferenced object 0xffff88800c16df00 (size 256): comm "ip", pid 255, jiffies 4294676400 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_node_noprof+0x35d/0x4a0 fib4_semantics_init+0x25/0xf0 fib_net_init+0x17e/0x340 ops_init+0x189/0x550 setup_net+0x189/0x750 copy_net_ns+0x238/0x4b0 create_new_namespaces+0x35f/0x920 unshare_nsproxy_namespaces+0x8a/0x1b0 ksys_unshare+0x2c4/0x6e0 __x64_sys_unshare+0x31/0x40 do_syscall_64+0xc1/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f unreferenced object 0xffff88800b445300 (size 256): comm "ip", pid 256, jiffies 4294676511 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_node_noprof+0x35d/0x4a0 DETECTED CRASH, lowering timeout fib4_semantics_init+0x25/0xf0 fib_net_init+0x17e/0x340 ops_init+0x189/0x550 setup_net+0x189/0x750 copy_net_ns+0x238/0x4b0 create_new_namespaces+0x35f/0x920 unshare_nsproxy_namespaces+0x8a/0x1b0 ksys_unshare+0x2c4/0x6e0 __x64_sys_unshare+0x31/0x40 do_syscall_64+0xc1/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f unreferenced object 0xffff88800936e500 (size 256): comm "kworker/u16:0", pid 11, jiffies 4294681635 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_node_noprof+0x35d/0x4a0 fib4_semantics_init+0x25/0xf0 ops_exit_list+0x99/0x170 cleanup_net+0x4fe/0xaf0 process_one_work+0xe55/0x16d0 worker_thread+0x58c/0xce0 kthread+0x359/0x5d0 ret_from_fork+0x31/0x70 ret_from_fork_asm+0x1a/0x30 unreferenced object 0xffff888009fb3a00 (size 256): comm "kworker/u16:0", pid 11, jiffies 4294681682 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_node_noprof+0x35d/0x4a0 fib4_semantics_init+0x25/0xf0 ops_exit_list+0x99/0x170 cleanup_net+0x4fe/0xaf0 process_one_work+0xe55/0x16d0 worker_thread+0x58c/0xce0 kthread+0x359/0x5d0 ret_from_fork+0x31/0x70 ret_from_fork_asm+0x1a/0x30 unreferenced object 0xffff888009fb7100 (size 256): comm "ip", pid 279, jiffies 4294681793 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_node_noprof+0x35d/0x4a0 fib4_semantics_init+0x25/0xf0 fib_net_init+0x17e/0x340 ops_init+0x189/0x550 setup_net+0x189/0x750 copy_net_ns+0x238/0x4b0 create_new_namespaces+0x35f/0x920 unshare_nsproxy_namespaces+0x8a/0x1b0 ksys_unshare+0x2c4/0x6e0 __x64_sys_unshare+0x31/0x40 do_syscall_64+0xc1/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f unreferenced object 0xffff88800923dc00 (size 256): comm "ip", pid 280, jiffies 4294681909 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_node_noprof+0x35d/0x4a0 fib4_semantics_init+0x25/0xf0 fib_net_init+0x17e/0x340 ops_init+0x189/0x550 setup_net+0x189/0x750 copy_net_ns+0x238/0x4b0 create_new_namespaces+0x35f/0x920 unshare_nsproxy_namespaces+0x8a/0x1b0 ksys_unshare+0x2c4/0x6e0 __x64_sys_unshare+0x31/0x40 do_syscall_64+0xc1/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f unreferenced object 0xffff888004a24d00 (size 256): comm "kworker/u16:0", pid 11, jiffies 4294687153 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_node_noprof+0x35d/0x4a0 fib4_semantics_init+0x25/0xf0 ops_exit_list+0x99/0x170 cleanup_net+0x4fe/0xaf0 process_one_work+0xe55/0x16d0 worker_thread+0x58c/0xce0 kthread+0x359/0x5d0 ret_from_fork+0x31/0x70 ret_from_fork_asm+0x1a/0x30 unreferenced object 0xffff888005c3b700 (size 256): comm "ip", pid 303, jiffies 4294687194 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_node_noprof+0x35d/0x4a0 fib4_semantics_init+0x25/0xf0 fib_net_init+0x17e/0x340 ops_init+0x189/0x550 setup_net+0x189/0x750 copy_net_ns+0x238/0x4b0 create_new_namespaces+0x35f/0x920 unshare_nsproxy_namespaces+0x8a/0x1b0 ksys_unshare+0x2c4/0x6e0 __x64_sys_unshare+0x31/0x40 do_syscall_64+0xc1/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f unreferenced object 0xffff888005060100 (size 256): comm "ip", pid 304, jiffies 4294687303 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_node_noprof+0x35d/0x4a0 fib4_semantics_init+0x25/0xf0 fib_net_init+0x17e/0x340 ops_init+0x189/0x550 setup_net+0x189/0x750 copy_net_ns+0x238/0x4b0 create_new_namespaces+0x35f/0x920 unshare_nsproxy_namespaces+0x8a/0x1b0 ksys_unshare+0x2c4/0x6e0 __x64_sys_unshare+0x31/0x40 do_syscall_64+0xc1/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f unreferenced object 0xffff888009d79300 (size 256): comm "kworker/u16:0", pid 11, jiffies 4294692633 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_node_noprof+0x35d/0x4a0 fib4_semantics_init+0x25/0xf0 ops_exit_list+0x99/0x170 cleanup_net+0x4fe/0xaf0 process_one_work+0xe55/0x16d0 worker_thread+0x58c/0xce0 kthread+0x359/0x5d0 ret_from_fork+0x31/0x70 ret_from_fork_asm+0x1a/0x30 unreferenced object 0xffff888009d4d000 (size 256): comm "kworker/u16:0", pid 11, jiffies 4294692684 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_node_noprof+0x35d/0x4a0 fib4_semantics_init+0x25/0xf0 ops_exit_list+0x99/0x170 cleanup_net+0x4fe/0xaf0 process_one_work+0xe55/0x16d0 worker_thread+0x58c/0xce0 kthread+0x359/0x5d0 ret_from_fork+0x31/0x70 ret_from_fork_asm+0x1a/0x30 unreferenced object 0xffff88800a20f700 (size 256): comm "ip", pid 326, jiffies 4294692774 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_node_noprof+0x35d/0x4a0 fib4_semantics_init+0x25/0xf0 fib_net_init+0x17e/0x340 ops_init+0x189/0x550 setup_net+0x189/0x750 copy_net_ns+0x238/0x4b0 create_new_namespaces+0x35f/0x920 unshare_nsproxy_namespaces+0x8a/0x1b0 ksys_unshare+0x2c4/0x6e0 __x64_sys_unshare+0x31/0x40 do_syscall_64+0xc1/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f unreferenced object 0xffff88800b55fd00 (size 256): comm "ip", pid 327, jiffies 4294692892 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_node_noprof+0x35d/0x4a0 fib4_semantics_init+0x25/0xf0 fib_net_init+0x17e/0x340 ops_init+0x189/0x550 setup_net+0x189/0x750 copy_net_ns+0x238/0x4b0 create_new_namespaces+0x35f/0x920 unshare_nsproxy_namespaces+0x8a/0x1b0 ksys_unshare+0x2c4/0x6e0 __x64_sys_unshare+0x31/0x40 do_syscall_64+0xc1/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f xx__-> echo scan > /sys/kernel/debug/kmemleak && cat /sys/kernel/debug/kmemleak DETECTED CRASH, lowering timeout unreferenced object 0xffff88800c16df00 (size 256): comm "ip", pid 255, jiffies 4294676400 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_node_noprof+0x35d/0x4a0 fib4_semantics_init+0x25/0xf0 fib_net_init+0x17e/0x340 ops_init+0x189/0x550 setup_net+0x189/0x750 copy_net_ns+0x238/0x4b0 create_new_namespaces+0x35f/0x920 unshare_nsproxy_namespaces+0x8a/0x1b0 ksys_unshare+0x2c4/0x6e0 __x64_sys_unshare+0x31/0x40 do_syscall_64+0xc1/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f unreferenced object 0xffff88800b445300 (size 256): comm "ip", pid 256, jiffies 4294676511 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_node_noprof+0x35d/0x4a0 fib4_semantics_init+0x25/0xf0 fib_net_init+0x17e/0x340 ops_init+0x189/0x550 setup_net+0x189/0x750 copy_net_ns+0x238/0x4b0 create_new_namespaces+0x35f/0x920 unshare_nsproxy_namespaces+0x8a/0x1b0 ksys_unshare+0x2c4/0x6e0 __x64_sys_unshare+0x31/0x40 do_syscall_64+0xc1/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f unreferenced object 0xffff88800936e500 (size 256): comm "kworker/u16:0", pid 11, jiffies 4294681635 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_node_noprof+0x35d/0x4a0 fib4_semantics_init+0x25/0xf0 ops_exit_list+0x99/0x170 cleanup_net+0x4fe/0xaf0 process_one_work+0xe55/0x16d0 worker_thread+0x58c/0xce0 kthread+0x359/0x5d0 ret_from_fork+0x31/0x70 ret_from_fork_asm+0x1a/0x30 unreferenced object 0xffff888009fb3a00 (size 256): comm "kworker/u16:0", pid 11, jiffies 4294681682 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_node_noprof+0x35d/0x4a0 fib4_semantics_init+0x25/0xf0 ops_exit_list+0x99/0x170 cleanup_net+0x4fe/0xaf0 process_one_work+0xe55/0x16d0 worker_thread+0x58c/0xce0 kthread+0x359/0x5d0 ret_from_fork+0x31/0x70 ret_from_fork_asm+0x1a/0x30 unreferenced object 0xffff888009fb7100 (size 256): comm "ip", pid 279, jiffies 4294681793 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_node_noprof+0x35d/0x4a0 fib4_semantics_init+0x25/0xf0 fib_net_init+0x17e/0x340 ops_init+0x189/0x550 setup_net+0x189/0x750 copy_net_ns+0x238/0x4b0 create_new_namespaces+0x35f/0x920 unshare_nsproxy_namespaces+0x8a/0x1b0 ksys_unshare+0x2c4/0x6e0 __x64_sys_unshare+0x31/0x40 do_syscall_64+0xc1/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f unreferenced object 0xffff88800923dc00 (size 256): comm "ip", pid 280, jiffies 4294681909 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_node_noprof+0x35d/0x4a0 fib4_semantics_init+0x25/0xf0 fib_net_init+0x17e/0x340 ops_init+0x189/0x550 setup_net+0x189/0x750 copy_net_ns+0x238/0x4b0 create_new_namespaces+0x35f/0x920 unshare_nsproxy_namespaces+0x8a/0x1b0 ksys_unshare+0x2c4/0x6e0 __x64_sys_unshare+0x31/0x40 do_syscall_64+0xc1/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f unreferenced object 0xffff888008f70100 (size 256): comm "kworker/u16:0", pid 11, jiffies 4294687092 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_node_noprof+0x35d/0x4a0 fib4_semantics_init+0x25/0xf0 ops_exit_list+0x99/0x170 cleanup_net+0x4fe/0xaf0 process_one_work+0xe55/0x16d0 worker_thread+0x58c/0xce0 kthread+0x359/0x5d0 ret_from_fork+0x31/0x70 ret_from_fork_asm+0x1a/0x30 unreferenced object 0xffff888004a24d00 (size 256): comm "kworker/u16:0", pid 11, jiffies 4294687153 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_node_noprof+0x35d/0x4a0 fib4_semantics_init+0x25/0xf0 ops_exit_list+0x99/0x170 cleanup_net+0x4fe/0xaf0 process_one_work+0xe55/0x16d0 worker_thread+0x58c/0xce0 kthread+0x359/0x5d0 ret_from_fork+0x31/0x70 ret_from_fork_asm+0x1a/0x30 unreferenced object 0xffff888005c3b700 (size 256): comm "ip", pid 303, jiffies 4294687194 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_node_noprof+0x35d/0x4a0 fib4_semantics_init+0x25/0xf0 fib_net_init+0x17e/0x340 ops_init+0x189/0x550 setup_net+0x189/0x750 copy_net_ns+0x238/0x4b0 create_new_namespaces+0x35f/0x920 unshare_nsproxy_namespaces+0x8a/0x1b0 ksys_unshare+0x2c4/0x6e0 __x64_sys_unshare+0x31/0x40 do_syscall_64+0xc1/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f unreferenced object 0xffff888005060100 (size 256): comm "ip", pid 304, jiffies 4294687303 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_node_noprof+0x35d/0x4a0 fib4_semantics_init+0x25/0xf0 fib_net_init+0x17e/0x340 ops_init+0x189/0x550 setup_net+0x189/0x750 copy_net_ns+0x238/0x4b0 create_new_namespaces+0x35f/0x920 unshare_nsproxy_namespaces+0x8a/0x1b0 ksys_unshare+0x2c4/0x6e0 __x64_sys_unshare+0x31/0x40 do_syscall_64+0xc1/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f unreferenced object 0xffff888009d79300 (size 256): comm "kworker/u16:0", pid 11, jiffies 4294692633 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_node_noprof+0x35d/0x4a0 fib4_semantics_init+0x25/0xf0 ops_exit_list+0x99/0x170 cleanup_net+0x4fe/0xaf0 process_one_work+0xe55/0x16d0 worker_thread+0x58c/0xce0 kthread+0x359/0x5d0 ret_from_fork+0x31/0x70 ret_from_fork_asm+0x1a/0x30 unreferenced object 0xffff888009d4d000 (size 256): comm "kworker/u16:0", pid 11, jiffies 4294692684 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_node_noprof+0x35d/0x4a0 fib4_semantics_init+0x25/0xf0 ops_exit_list+0x99/0x170 cleanup_net+0x4fe/0xaf0 process_one_work+0xe55/0x16d0 worker_thread+0x58c/0xce0 kthread+0x359/0x5d0 ret_from_fork+0x31/0x70 ret_from_fork_asm+0x1a/0x30 unreferenced object 0xffff88800a20f700 (size 256): comm "ip", pid 326, jiffies 4294692774 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_node_noprof+0x35d/0x4a0 fib4_semantics_init+0x25/0xf0 fib_net_init+0x17e/0x340 ops_init+0x189/0x550 setup_net+0x189/0x750 copy_net_ns+0x238/0x4b0 create_new_namespaces+0x35f/0x920 unshare_nsproxy_namespaces+0x8a/0x1b0 ksys_unshare+0x2c4/0x6e0 __x64_sys_unshare+0x31/0x40 do_syscall_64+0xc1/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f unreferenced object 0xffff88800b55fd00 (size 256): comm "ip", pid 327, jiffies 4294692892 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_node_noprof+0x35d/0x4a0 fib4_semantics_init+0x25/0xf0 fib_net_init+0x17e/0x340 ops_init+0x189/0x550 setup_net+0x189/0x750 copy_net_ns+0x238/0x4b0 create_new_namespaces+0x35f/0x920 unshare_nsproxy_namespaces+0x8a/0x1b0 ksys_unshare+0x2c4/0x6e0 __x64_sys_unshare+0x31/0x40 do_syscall_64+0xc1/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f xx__->