[ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.125' (ECDSA) to the list of known hosts. executing program BUG: memory leak unreferenced object 0xffff888124e48180 (size 128): comm "syz-executor189", pid 6601, jiffies 4294943758 (age 9.190s) 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 98 81 e4 24 81 88 ff ff ...........$.... backtrace: [<0000000095c640c7>] kmalloc include/linux/slab.h:555 [inline] [<0000000095c640c7>] kzalloc include/linux/slab.h:669 [inline] [<0000000095c640c7>] tipc_group_create_member+0x39/0x180 net/tipc/group.c:306 [<00000000a037d1fc>] tipc_nametbl_build_group+0x90/0xe0 net/tipc/name_table.c:714 [<0000000015b51323>] tipc_sk_join net/tipc/socket.c:2999 [inline] [<0000000015b51323>] tipc_setsockopt+0x24e/0x4d0 net/tipc/socket.c:3105 [<000000003728e4a6>] __sys_setsockopt+0x112/0x230 net/socket.c:2132 [<00000000cad953bc>] __do_sys_setsockopt net/socket.c:2148 [inline] [<00000000cad953bc>] __se_sys_setsockopt net/socket.c:2145 [inline] [<00000000cad953bc>] __x64_sys_setsockopt+0x22/0x30 net/socket.c:2145 [<0000000020e2cae8>] do_syscall_64+0x6e/0x220 arch/x86/entry/common.c:295 [<0000000037591107>] entry_SYSCALL_64_after_hwframe+0x44/0xa9