BUG: memory leak
unreferenced object 0xffff88811cbe1c00 (size 1024):
  comm "syz-executor.0", pid 5511, jiffies 4294944715
  hex dump (first 32 bytes):
    00 14 be 1c 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 bbc209e8):
    [<ffffffff815f0693>] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline]
    [<ffffffff815f0693>] slab_post_alloc_hook mm/slub.c:3817 [inline]
    [<ffffffff815f0693>] slab_alloc_node mm/slub.c:3860 [inline]
    [<ffffffff815f0693>] kmalloc_trace+0x283/0x330 mm/slub.c:4007
    [<ffffffff829bb977>] kmalloc include/linux/slab.h:590 [inline]
    [<ffffffff829bb977>] kzalloc include/linux/slab.h:711 [inline]
    [<ffffffff829bb977>] gsm_dlci_alloc+0x27/0x1f0 drivers/tty/n_gsm.c:2641
    [<ffffffff829bbb5c>] gsm_activate_mux+0x1c/0x1c0 drivers/tty/n_gsm.c:3128
    [<ffffffff829c265f>] gsm_config_ext drivers/tty/n_gsm.c:3433 [inline]
    [<ffffffff829c265f>] gsmld_ioctl+0x6cf/0x9f0 drivers/tty/n_gsm.c:3797
    [<ffffffff829a72f3>] tty_ioctl+0x3e3/0xc60 drivers/tty/tty_io.c:2812
    [<ffffffff816bfa02>] vfs_ioctl fs/ioctl.c:51 [inline]
    [<ffffffff816bfa02>] __do_sys_ioctl fs/ioctl.c:871 [inline]
    [<ffffffff816bfa02>] __se_sys_ioctl fs/ioctl.c:857 [inline]
    [<ffffffff816bfa02>] __x64_sys_ioctl+0xf2/0x140 fs/ioctl.c:857
    [<ffffffff84d5da6d>] do_syscall_x64 arch/x86/entry/common.c:52 [inline]
    [<ffffffff84d5da6d>] do_syscall_64+0xad/0x1d0 arch/x86/entry/common.c:83
    [<ffffffff84e0008b>] entry_SYSCALL_64_after_hwframe+0x63/0x6b

BUG: memory leak
unreferenced object 0xffff88810a9ef000 (size 4096):
  comm "syz-executor.0", pid 5511, jiffies 4294944715
  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):
    [<ffffffff815f02cf>] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline]
    [<ffffffff815f02cf>] slab_post_alloc_hook mm/slub.c:3817 [inline]
    [<ffffffff815f02cf>] slab_alloc_node mm/slub.c:3860 [inline]
    [<ffffffff815f02cf>] __do_kmalloc_node mm/slub.c:3980 [inline]
    [<ffffffff815f02cf>] __kmalloc+0x2cf/0x410 mm/slub.c:3994
    [<ffffffff826c6499>] kmalloc_array include/linux/slab.h:627 [inline]
    [<ffffffff826c6499>] __kfifo_alloc+0x89/0xe0 lib/kfifo.c:43
    [<ffffffff829bb9c1>] gsm_dlci_alloc+0x71/0x1f0 drivers/tty/n_gsm.c:2646
    [<ffffffff829bbb5c>] gsm_activate_mux+0x1c/0x1c0 drivers/tty/n_gsm.c:3128
    [<ffffffff829c265f>] gsm_config_ext drivers/tty/n_gsm.c:3433 [inline]
    [<ffffffff829c265f>] gsmld_ioctl+0x6cf/0x9f0 drivers/tty/n_gsm.c:3797
    [<ffffffff829a72f3>] tty_ioctl+0x3e3/0xc60 drivers/tty/tty_io.c:2812
    [<ffffffff816bfa02>] vfs_ioctl fs/ioctl.c:51 [inline]
    [<ffffffff816bfa02>] __do_sys_ioctl fs/ioctl.c:871 [inline]
    [<ffffffff816bfa02>] __se_sys_ioctl fs/ioctl.c:857 [inline]
    [<ffffffff816bfa02>] __x64_sys_ioctl+0xf2/0x140 fs/ioctl.c:857
    [<ffffffff84d5da6d>] do_syscall_x64 arch/x86/entry/common.c:52 [inline]
    [<ffffffff84d5da6d>] do_syscall_64+0xad/0x1d0 arch/x86/entry/common.c:83
    [<ffffffff84e0008b>] entry_SYSCALL_64_after_hwframe+0x63/0x6b