BUG: memory leak
unreferenced object 0xffff88811f922780 (size 48):
  comm "syz-executor.1", pid 6407, jiffies 4294945116
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 01 46 00 00 03 00 00 00  .........F......
    00 00 00 00 00 00 00 00 40 f8 63 1e 81 88 ff ff  ........@.c.....
  backtrace (crc a5f72e09):
    kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline]
    slab_post_alloc_hook mm/slub.c:4195 [inline]
    slab_alloc_node mm/slub.c:4240 [inline]
    kmem_cache_alloc_noprof+0x34f/0x3f0 mm/slub.c:4247
    fasync_alloc fs/fcntl.c:1018 [inline]
    fasync_add_entry fs/fcntl.c:1076 [inline]
    fasync_helper+0x3d/0xd0 fs/fcntl.c:1105
    sock_fasync+0x4c/0xa0 net/socket.c:1464
    ioctl_fioasync fs/ioctl.c:379 [inline]
    do_vfs_ioctl+0x6b8/0xc70 fs/ioctl.c:512
    __do_sys_ioctl fs/ioctl.c:596 [inline]
    __se_sys_ioctl fs/ioctl.c:584 [inline]
    __x64_sys_ioctl+0xb7/0x140 fs/ioctl.c:584
    do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
    do_syscall_64+0xa4/0x2a0 arch/x86/entry/syscall_64.c:94
    entry_SYSCALL_64_after_hwframe+0x77/0x7f