BUG: memory leak
unreferenced object 0xffff88811de30000 (size 1024):
  comm "syz-executor.0", pid 6237, jiffies 4294944606
  hex dump (first 32 bytes):
    00 50 a2 1c 81 88 ff ff 00 00 00 00 00 00 00 00  .P..............
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace (crc ee788d94):
    kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    slab_post_alloc_hook mm/slub.c:4151 [inline]
    slab_alloc_node mm/slub.c:4196 [inline]
    __kmalloc_cache_noprof+0x325/0x3d0 mm/slub.c:4353
    kmalloc_noprof include/linux/slab.h:905 [inline]
    kzalloc_noprof include/linux/slab.h:1039 [inline]
    gsm_dlci_alloc+0x27/0x1f0 drivers/tty/n_gsm.c:2648
    gsm_activate_mux+0x1c/0x1d0 drivers/tty/n_gsm.c:3189
    gsm_config_ext drivers/tty/n_gsm.c:3494 [inline]
    gsmld_ioctl+0x6ce/0xa00 drivers/tty/n_gsm.c:3858
    tty_ioctl+0x40a/0xd10 drivers/tty/tty_io.c:2811
    vfs_ioctl fs/ioctl.c:51 [inline]
    __do_sys_ioctl fs/ioctl.c:906 [inline]
    __se_sys_ioctl fs/ioctl.c:892 [inline]
    __x64_sys_ioctl+0xfa/0x140 fs/ioctl.c:892
    do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
    do_syscall_64+0x9e/0x1d0 arch/x86/entry/syscall_64.c:94
    entry_SYSCALL_64_after_hwframe+0x77/0x7f

BUG: memory leak
unreferenced object 0xffff888108cd5000 (size 4096):
  comm "syz-executor.0", pid 6237, jiffies 4294944606
  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 (crc 0):
    kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    slab_post_alloc_hook mm/slub.c:4151 [inline]
    slab_alloc_node mm/slub.c:4196 [inline]
    __do_kmalloc_node mm/slub.c:4326 [inline]
    __kmalloc_noprof+0x36d/0x4f0 mm/slub.c:4339
    kmalloc_noprof include/linux/slab.h:909 [inline]
    kmalloc_array_noprof include/linux/slab.h:948 [inline]
    __kfifo_alloc+0x89/0xf0 lib/kfifo.c:44
    gsm_dlci_alloc+0x71/0x1f0 drivers/tty/n_gsm.c:2653
    gsm_activate_mux+0x1c/0x1d0 drivers/tty/n_gsm.c:3189
    gsm_config_ext drivers/tty/n_gsm.c:3494 [inline]
    gsmld_ioctl+0x6ce/0xa00 drivers/tty/n_gsm.c:3858
    tty_ioctl+0x40a/0xd10 drivers/tty/tty_io.c:2811
    vfs_ioctl fs/ioctl.c:51 [inline]
    __do_sys_ioctl fs/ioctl.c:906 [inline]
    __se_sys_ioctl fs/ioctl.c:892 [inline]
    __x64_sys_ioctl+0xfa/0x140 fs/ioctl.c:892
    do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
    do_syscall_64+0x9e/0x1d0 arch/x86/entry/syscall_64.c:94
    entry_SYSCALL_64_after_hwframe+0x77/0x7f