BUG: memory leak
unreferenced object 0xffff888101adfe60 (size 80):
  comm "syz-executor.7", pid 10564, jiffies 4294967472 (age 111.050s)
  hex dump (first 32 bytes):
    60 fe ad 01 81 88 ff ff 60 fe ad 01 81 88 ff ff  `.......`.......
    00 00 00 00 00 00 00 00 13 00 00 00 00 00 00 00  ................
  backtrace:
    [<ffffffff812450d6>] __sigqueue_alloc+0xd6/0x240 kernel/signal.c:441
    [<ffffffff81247e3c>] __send_signal+0x33c/0x600 kernel/signal.c:1155
    [<ffffffff8124b123>] do_send_sig_info+0x63/0xc0 kernel/signal.c:1333
    [<ffffffff8124b23b>] send_sig_info+0x3b/0x60 kernel/signal.c:1648
    [<ffffffff81242288>] ptrace_attach+0x208/0x380 kernel/ptrace.c:430
    [<ffffffff81243520>] __do_sys_ptrace kernel/ptrace.c:1297 [inline]
    [<ffffffff81243520>] __se_sys_ptrace kernel/ptrace.c:1277 [inline]
    [<ffffffff81243520>] __x64_sys_ptrace+0x1f0/0x230 kernel/ptrace.c:1277
    [<ffffffff843540ea>] do_syscall_64+0x3a/0xb0 arch/x86/entry/common.c:47
    [<ffffffff84400068>] entry_SYSCALL_64_after_hwframe+0x44/0xae

BUG: memory leak
unreferenced object 0xffff888101adf780 (size 80):
  comm "syz-executor.0", pid 11238, jiffies 4294972696 (age 58.820s)
  hex dump (first 32 bytes):
    80 f7 ad 01 81 88 ff ff 80 f7 ad 01 81 88 ff ff  ................
    00 00 00 00 00 00 00 00 13 00 00 00 00 00 00 00  ................
  backtrace:
    [<ffffffff812450d6>] __sigqueue_alloc+0xd6/0x240 kernel/signal.c:441
    [<ffffffff81247e3c>] __send_signal+0x33c/0x600 kernel/signal.c:1155
    [<ffffffff8124b123>] do_send_sig_info+0x63/0xc0 kernel/signal.c:1333
    [<ffffffff8124b23b>] send_sig_info+0x3b/0x60 kernel/signal.c:1648
    [<ffffffff81242288>] ptrace_attach+0x208/0x380 kernel/ptrace.c:430
    [<ffffffff81243520>] __do_sys_ptrace kernel/ptrace.c:1297 [inline]
    [<ffffffff81243520>] __se_sys_ptrace kernel/ptrace.c:1277 [inline]
    [<ffffffff81243520>] __x64_sys_ptrace+0x1f0/0x230 kernel/ptrace.c:1277
    [<ffffffff843540ea>] do_syscall_64+0x3a/0xb0 arch/x86/entry/common.c:47
    [<ffffffff84400068>] entry_SYSCALL_64_after_hwframe+0x44/0xae

BUG: memory leak
unreferenced object 0xffff888101adf690 (size 80):
  comm "syz-executor.1", pid 11369, jiffies 4294972815 (age 57.630s)
  hex dump (first 32 bytes):
    90 f6 ad 01 81 88 ff ff 90 f6 ad 01 81 88 ff ff  ................
    00 00 00 00 00 00 00 00 13 00 00 00 00 00 00 00  ................
  backtrace:
    [<ffffffff812450d6>] __sigqueue_alloc+0xd6/0x240 kernel/signal.c:441
    [<ffffffff81247e3c>] __send_signal+0x33c/0x600 kernel/signal.c:1155
    [<ffffffff8124b123>] do_send_sig_info+0x63/0xc0 kernel/signal.c:1333
    [<ffffffff8124b23b>] send_sig_info+0x3b/0x60 kernel/signal.c:1648
    [<ffffffff81242288>] ptrace_attach+0x208/0x380 kernel/ptrace.c:430
    [<ffffffff81243520>] __do_sys_ptrace kernel/ptrace.c:1297 [inline]
    [<ffffffff81243520>] __se_sys_ptrace kernel/ptrace.c:1277 [inline]
    [<ffffffff81243520>] __x64_sys_ptrace+0x1f0/0x230 kernel/ptrace.c:1277
    [<ffffffff843540ea>] do_syscall_64+0x3a/0xb0 arch/x86/entry/common.c:47
    [<ffffffff84400068>] entry_SYSCALL_64_after_hwframe+0x44/0xae