executing program BUG: memory leak unreferenced object 0xffff8881110c1500 (size 32): comm "syz-executor632", pid 8666, jiffies 4294953964 (age 13.310s) 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 00 00 ................ backtrace: [<000000002c8cb755>] kmalloc include/linux/slab.h:552 [inline] [<000000002c8cb755>] kzalloc include/linux/slab.h:682 [inline] [<000000002c8cb755>] ip_mc_add1_src net/ipv4/igmp.c:1971 [inline] [<000000002c8cb755>] ip_mc_add_src+0x348/0x450 net/ipv4/igmp.c:2095 [<00000000f3c98ea5>] ip_mc_source+0x3d4/0x610 net/ipv4/igmp.c:2416 [<00000000d83cfaf3>] do_ip_setsockopt net/ipv4/ip_sockglue.c:1294 [inline] [<00000000d83cfaf3>] ip_setsockopt+0x15d8/0x1f70 net/ipv4/ip_sockglue.c:1423 [<00000000cbffe00b>] tcp_setsockopt+0x70/0x13f0 net/ipv4/tcp.c:3598 [<0000000008ae3f55>] __sys_setsockopt+0x1b0/0x360 net/socket.c:2115 [<0000000044f16784>] __do_sys_setsockopt net/socket.c:2126 [inline] [<0000000044f16784>] __se_sys_setsockopt net/socket.c:2123 [inline] [<0000000044f16784>] __x64_sys_setsockopt+0x22/0x30 net/socket.c:2123 [<000000007c540fe7>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 [<00000000efa0e9b1>] entry_SYSCALL_64_after_hwframe+0x44/0xa9