BUG: memory leak
unreferenced object 0xffff88811a8c9400 (size 1024):
  comm "syz-executor.5", pid 3869, jiffies 4295049658 (age 10.650s)
  hex dump (first 32 bytes):
    00 98 8c 1a 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:
    [<ffffffff814edc90>] kmalloc_trace+0x20/0x90 mm/slab_common.c:1045
    [<ffffffff82610ee7>] kmalloc include/linux/slab.h:553 [inline]
    [<ffffffff82610ee7>] kzalloc include/linux/slab.h:689 [inline]
    [<ffffffff82610ee7>] gsm_dlci_alloc+0x27/0x180 drivers/tty/n_gsm.c:2064
    [<ffffffff8261625b>] gsm_activate_mux drivers/tty/n_gsm.c:2538 [inline]
    [<ffffffff8261625b>] gsm_config drivers/tty/n_gsm.c:2778 [inline]
    [<ffffffff8261625b>] gsmld_ioctl+0x45b/0x750 drivers/tty/n_gsm.c:3117
    [<ffffffff825fdc13>] tty_ioctl+0x733/0xbe0 drivers/tty/tty_io.c:2780
    [<ffffffff8162018c>] vfs_ioctl fs/ioctl.c:51 [inline]
    [<ffffffff8162018c>] __do_sys_ioctl fs/ioctl.c:870 [inline]
    [<ffffffff8162018c>] __se_sys_ioctl fs/ioctl.c:856 [inline]
    [<ffffffff8162018c>] __x64_sys_ioctl+0xfc/0x140 fs/ioctl.c:856
    [<ffffffff8485c5c5>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
    [<ffffffff8485c5c5>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
    [<ffffffff84a00087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd

BUG: memory leak
unreferenced object 0xffff88811a9ac800 (size 1024):
  comm "syz-executor.0", pid 3886, jiffies 4295049702 (age 10.210s)
  hex dump (first 32 bytes):
    00 c4 9a 1a 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:
    [<ffffffff814edc90>] kmalloc_trace+0x20/0x90 mm/slab_common.c:1045
    [<ffffffff82610ee7>] kmalloc include/linux/slab.h:553 [inline]
    [<ffffffff82610ee7>] kzalloc include/linux/slab.h:689 [inline]
    [<ffffffff82610ee7>] gsm_dlci_alloc+0x27/0x180 drivers/tty/n_gsm.c:2064
    [<ffffffff8261625b>] gsm_activate_mux drivers/tty/n_gsm.c:2538 [inline]
    [<ffffffff8261625b>] gsm_config drivers/tty/n_gsm.c:2778 [inline]
    [<ffffffff8261625b>] gsmld_ioctl+0x45b/0x750 drivers/tty/n_gsm.c:3117
    [<ffffffff825fdc13>] tty_ioctl+0x733/0xbe0 drivers/tty/tty_io.c:2780
    [<ffffffff8162018c>] vfs_ioctl fs/ioctl.c:51 [inline]
    [<ffffffff8162018c>] __do_sys_ioctl fs/ioctl.c:870 [inline]
    [<ffffffff8162018c>] __se_sys_ioctl fs/ioctl.c:856 [inline]
    [<ffffffff8162018c>] __x64_sys_ioctl+0xfc/0x140 fs/ioctl.c:856
    [<ffffffff8485c5c5>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
    [<ffffffff8485c5c5>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
    [<ffffffff84a00087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd

BUG: memory leak
unreferenced object 0xffff88811a2f6800 (size 1024):
  comm "syz-executor.5", pid 3894, jiffies 4295049762 (age 9.610s)
  hex dump (first 32 bytes):
    00 58 f4 1a 81 88 ff ff 00 00 00 00 00 00 00 00  .X..............
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<ffffffff814edc90>] kmalloc_trace+0x20/0x90 mm/slab_common.c:1045
    [<ffffffff82610ee7>] kmalloc include/linux/slab.h:553 [inline]
    [<ffffffff82610ee7>] kzalloc include/linux/slab.h:689 [inline]
    [<ffffffff82610ee7>] gsm_dlci_alloc+0x27/0x180 drivers/tty/n_gsm.c:2064
    [<ffffffff8261625b>] gsm_activate_mux drivers/tty/n_gsm.c:2538 [inline]
    [<ffffffff8261625b>] gsm_config drivers/tty/n_gsm.c:2778 [inline]
    [<ffffffff8261625b>] gsmld_ioctl+0x45b/0x750 drivers/tty/n_gsm.c:3117
    [<ffffffff825fdc13>] tty_ioctl+0x733/0xbe0 drivers/tty/tty_io.c:2780
    [<ffffffff8162018c>] vfs_ioctl fs/ioctl.c:51 [inline]
    [<ffffffff8162018c>] __do_sys_ioctl fs/ioctl.c:870 [inline]
    [<ffffffff8162018c>] __se_sys_ioctl fs/ioctl.c:856 [inline]
    [<ffffffff8162018c>] __x64_sys_ioctl+0xfc/0x140 fs/ioctl.c:856
    [<ffffffff8485c5c5>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
    [<ffffffff8485c5c5>] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
    [<ffffffff84a00087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd