: Permanently added '10.128.10.49' (ECDSA) to the list of known hosts. executing program executing program BUG: memory leak unreferenced object 0xffff88811f20c600 (size 64): comm "softirq", pid 0, jiffies 4294942234 (age 13.690s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 7f 00 00 01 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<00000000032f2918>] kmemleak_alloc_recursive include/linux/kmemleak.h:55 [inline] [<00000000032f2918>] slab_post_alloc_hook mm/slab.h:439 [inline] [<00000000032f2918>] slab_alloc mm/slab.c:3326 [inline] [<00000000032f2918>] kmem_cache_alloc_trace+0x13d/0x280 mm/slab.c:3553 [<00000000cec86152>] kmalloc include/linux/slab.h:547 [inline] [<00000000cec86152>] kzalloc include/linux/slab.h:742 [inline] [<00000000cec86152>] ip_mc_add1_src net/ipv4/igmp.c:1961 [inline] [<00000000cec86152>] ip_mc_add_src+0x36b/0x400 net/ipv4/igmp.c:2085 [<0000000008f35c47>] ip_mc_source+0x2e3/0x4e0 net/ipv4/igmp.c:2412 [<00000000b1e82822>] do_ip_setsockopt.isra.0+0x67b/0x1930 net/ipv4/ip_sockglue.c:1074 [<0000000065f96812>] ip_setsockopt+0x3b/0xb0 net/ipv4/ip_sockglue.c:1246 [<0000000005c63048>] udp_setsockopt+0x4e/0x90 net/ipv4/udp.c:2616 [<000000006a1cadcb>] sock_common_setsockopt+0x38/0x50 net/core/sock.c:3130 [<00000000445e3f3d>] __sys_setsockopt+0x98/0x120 net/socket.c:2078 [<000000000f8890de>] __do_sys_setsockopt net/socket.c:2089 [inline] [<000000000f8890de>] __se_sys_setsockopt net/socket.c:2086 [inline] [<000000000f8890de>] __x64_sys_setsockopt+0x26/0x30 net/socket.c:2086 [<00000000d6dbf4b7>] do_syscall_64+0x76/0x1a0 arch/x86/entry/common.c:301 [<00000000d5a02a79>] entry_SYSCALL_64_after_hwframe+0x44/0xa9