BUG: memory leak unreferenced object 0xffff8881160ee240 (size 32): comm "syz-executor.0", pid 8655, jiffies 4295044634 (age 13.730s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 01 00 00 00 00 00 00 00 00 00 00 00 00 00 02 00 ................ backtrace: [] kmalloc include/linux/slab.h:554 [inline] [] kzalloc include/linux/slab.h:684 [inline] [] ip_mc_add1_src net/ipv4/igmp.c:1971 [inline] [] ip_mc_add_src+0x348/0x450 net/ipv4/igmp.c:2095 [] ip_mc_source+0x3d4/0x610 net/ipv4/igmp.c:2416 [] do_ip_setsockopt net/ipv4/ip_sockglue.c:1294 [inline] [] ip_setsockopt+0x15d8/0x1f70 net/ipv4/ip_sockglue.c:1423 [] tcp_setsockopt+0x70/0x1420 net/ipv4/tcp.c:3643 [] __sys_setsockopt+0x1b0/0x360 net/socket.c:2117 [] __do_sys_setsockopt net/socket.c:2128 [inline] [] __se_sys_setsockopt net/socket.c:2125 [inline] [] __x64_sys_setsockopt+0x22/0x30 net/socket.c:2125 [] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 [] entry_SYSCALL_64_after_hwframe+0x44/0xae