BUG: memory leak
unreferenced object 0xffff888110940c00 (size 1024):
  comm "syz-executor.0", pid 6256, jiffies 4294947092
  hex dump (first 32 bytes):
    00 a8 0b 0a 81 88 ff ff 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 18bed5db):
    kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline]
    slab_post_alloc_hook mm/slub.c:4958 [inline]
    slab_alloc_node mm/slub.c:5263 [inline]
    __kmalloc_cache_noprof+0x3b2/0x570 mm/slub.c:5771
    kmalloc_noprof include/linux/slab.h:957 [inline]
    kzalloc_noprof include/linux/slab.h:1094 [inline]
    gsm_dlci_alloc+0x27/0x1f0 drivers/tty/n_gsm.c:2649
    gsm_activate_mux+0x1c/0x1d0 drivers/tty/n_gsm.c:3190
    gsm_config_ext drivers/tty/n_gsm.c:3495 [inline]
    gsmld_ioctl+0x6ce/0xa00 drivers/tty/n_gsm.c:3859
    tty_ioctl+0x410/0xd40 drivers/tty/tty_io.c:2801
    vfs_ioctl fs/ioctl.c:51 [inline]
    __do_sys_ioctl fs/ioctl.c:597 [inline]
    __se_sys_ioctl fs/ioctl.c:583 [inline]
    __x64_sys_ioctl+0xf4/0x140 fs/ioctl.c:583
    do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
    do_syscall_64+0xa4/0xf80 arch/x86/entry/syscall_64.c:94
    entry_SYSCALL_64_after_hwframe+0x77/0x7f

BUG: memory leak
unreferenced object 0xffff88811c518000 (size 4096):
  comm "syz-executor.0", pid 6256, jiffies 4294947092
  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:44 [inline]
    slab_post_alloc_hook mm/slub.c:4958 [inline]
    slab_alloc_node mm/slub.c:5263 [inline]
    __do_kmalloc_node mm/slub.c:5656 [inline]
    __kmalloc_node_noprof+0x3b1/0x680 mm/slub.c:5663
    kmalloc_array_node_noprof include/linux/slab.h:1075 [inline]
    __kfifo_alloc_node+0x95/0x100 lib/kfifo.c:44
    __kfifo_alloc include/linux/kfifo.h:932 [inline]
    gsm_dlci_alloc+0x69/0x1f0 drivers/tty/n_gsm.c:2654
    gsm_activate_mux+0x1c/0x1d0 drivers/tty/n_gsm.c:3190
    gsm_config_ext drivers/tty/n_gsm.c:3495 [inline]
    gsmld_ioctl+0x6ce/0xa00 drivers/tty/n_gsm.c:3859
    tty_ioctl+0x410/0xd40 drivers/tty/tty_io.c:2801
    vfs_ioctl fs/ioctl.c:51 [inline]
    __do_sys_ioctl fs/ioctl.c:597 [inline]
    __se_sys_ioctl fs/ioctl.c:583 [inline]
    __x64_sys_ioctl+0xf4/0x140 fs/ioctl.c:583
    do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
    do_syscall_64+0xa4/0xf80 arch/x86/entry/syscall_64.c:94
    entry_SYSCALL_64_after_hwframe+0x77/0x7f