syzbot

2021/05/29 09:39:42 executed programs: 158
BUG: memory leak
unreferenced object 0xffff888128c67180 (size 64):
  comm "syz-executor.3", pid 11010, jiffies 4294980753 (age 15.590s)
  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:
    [<ffffffff83a88ff7>] kmalloc_array include/linux/slab.h:596 [inline]
    [<ffffffff83a88ff7>] kcalloc include/linux/slab.h:625 [inline]
    [<ffffffff83a88ff7>] tcp_cdg_init+0x37/0x60 net/ipv4/tcp_cdg.c:380
    [<ffffffff839f1274>] tcp_init_congestion_control+0x34/0x170 net/ipv4/tcp_cong.c:183
    [<ffffffff839f1d05>] tcp_reinit_congestion_control net/ipv4/tcp_cong.c:207 [inline]
    [<ffffffff839f1d05>] tcp_set_congestion_control+0x365/0x390 net/ipv4/tcp_cong.c:381
    [<ffffffff839c41cc>] do_tcp_setsockopt net/ipv4/tcp.c:3371 [inline]
    [<ffffffff839c41cc>] tcp_setsockopt+0x3fc/0x1420 net/ipv4/tcp.c:3658
    [<ffffffff83692490>] __sys_setsockopt+0x1b0/0x360 net/socket.c:2117
    [<ffffffff83692662>] __do_sys_setsockopt net/socket.c:2128 [inline]
    [<ffffffff83692662>] __se_sys_setsockopt net/socket.c:2125 [inline]
    [<ffffffff83692662>] __x64_sys_setsockopt+0x22/0x30 net/socket.c:2125
    [<ffffffff8435302a>] do_syscall_64+0x3a/0xb0 arch/x86/entry/common.c:47
    [<ffffffff84400068>] entry_SYSCALL_64_after_hwframe+0x44/0xae