BUG: memory leak
unreferenced object 0xffff888120989800 (size 1024):
  comm "syz-executor.3", pid 5578, jiffies 4294944451 (age 14.910s)
  hex dump (first 32 bytes):
    00 90 98 20 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:
    [<ffffffff815545e5>] kmalloc_trace+0x25/0x90 mm/slab_common.c:1076
    [<ffffffff827ba207>] kmalloc include/linux/slab.h:582 [inline]
    [<ffffffff827ba207>] kzalloc include/linux/slab.h:703 [inline]
    [<ffffffff827ba207>] gsm_dlci_alloc+0x27/0x1f0 drivers/tty/n_gsm.c:2618
    [<ffffffff827c0969>] gsm_activate_mux drivers/tty/n_gsm.c:3103 [inline]
    [<ffffffff827c0969>] gsm_config drivers/tty/n_gsm.c:3358 [inline]
    [<ffffffff827c0969>] gsmld_ioctl+0x509/0xb70 drivers/tty/n_gsm.c:3736
    [<ffffffff827a5a81>] tty_ioctl+0x3f1/0xc70 drivers/tty/tty_io.c:2795
    [<ffffffff8168e5f2>] vfs_ioctl fs/ioctl.c:51 [inline]
    [<ffffffff8168e5f2>] __do_sys_ioctl fs/ioctl.c:870 [inline]
    [<ffffffff8168e5f2>] __se_sys_ioctl fs/ioctl.c:856 [inline]
    [<ffffffff8168e5f2>] __x64_sys_ioctl+0xf2/0x140 fs/ioctl.c:856
    [<ffffffff84ad3bb8>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
    [<ffffffff84ad3bb8>] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
    [<ffffffff84c0008b>] entry_SYSCALL_64_after_hwframe+0x63/0xcd

BUG: memory leak
unreferenced object 0xffff888120b7d000 (size 4096):
  comm "syz-executor.3", pid 5578, jiffies 4294944451 (age 14.910s)
  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:
    [<ffffffff81554d08>] __do_kmalloc_node mm/slab_common.c:984 [inline]
    [<ffffffff81554d08>] __kmalloc+0x48/0x150 mm/slab_common.c:998
    [<ffffffff824c8df9>] kmalloc_array include/linux/slab.h:619 [inline]
    [<ffffffff824c8df9>] __kfifo_alloc+0x89/0xe0 lib/kfifo.c:43
    [<ffffffff827ba251>] gsm_dlci_alloc+0x71/0x1f0 drivers/tty/n_gsm.c:2623
    [<ffffffff827c0969>] gsm_activate_mux drivers/tty/n_gsm.c:3103 [inline]
    [<ffffffff827c0969>] gsm_config drivers/tty/n_gsm.c:3358 [inline]
    [<ffffffff827c0969>] gsmld_ioctl+0x509/0xb70 drivers/tty/n_gsm.c:3736
    [<ffffffff827a5a81>] tty_ioctl+0x3f1/0xc70 drivers/tty/tty_io.c:2795
    [<ffffffff8168e5f2>] vfs_ioctl fs/ioctl.c:51 [inline]
    [<ffffffff8168e5f2>] __do_sys_ioctl fs/ioctl.c:870 [inline]
    [<ffffffff8168e5f2>] __se_sys_ioctl fs/ioctl.c:856 [inline]
    [<ffffffff8168e5f2>] __x64_sys_ioctl+0xf2/0x140 fs/ioctl.c:856
    [<ffffffff84ad3bb8>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
    [<ffffffff84ad3bb8>] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
    [<ffffffff84c0008b>] entry_SYSCALL_64_after_hwframe+0x63/0xcd

BUG: memory leak
unreferenced object 0xffff88812209cc00 (size 1024):
  comm "syz-executor.3", pid 5600, jiffies 4294944484 (age 14.580s)
  hex dump (first 32 bytes):
    00 c8 09 22 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:
    [<ffffffff815545e5>] kmalloc_trace+0x25/0x90 mm/slab_common.c:1076
    [<ffffffff827ba207>] kmalloc include/linux/slab.h:582 [inline]
    [<ffffffff827ba207>] kzalloc include/linux/slab.h:703 [inline]
    [<ffffffff827ba207>] gsm_dlci_alloc+0x27/0x1f0 drivers/tty/n_gsm.c:2618
    [<ffffffff827c0969>] gsm_activate_mux drivers/tty/n_gsm.c:3103 [inline]
    [<ffffffff827c0969>] gsm_config drivers/tty/n_gsm.c:3358 [inline]
    [<ffffffff827c0969>] gsmld_ioctl+0x509/0xb70 drivers/tty/n_gsm.c:3736
    [<ffffffff827a5a81>] tty_ioctl+0x3f1/0xc70 drivers/tty/tty_io.c:2795
    [<ffffffff8168e5f2>] vfs_ioctl fs/ioctl.c:51 [inline]
    [<ffffffff8168e5f2>] __do_sys_ioctl fs/ioctl.c:870 [inline]
    [<ffffffff8168e5f2>] __se_sys_ioctl fs/ioctl.c:856 [inline]
    [<ffffffff8168e5f2>] __x64_sys_ioctl+0xf2/0x140 fs/ioctl.c:856
    [<ffffffff84ad3bb8>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
    [<ffffffff84ad3bb8>] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
    [<ffffffff84c0008b>] entry_SYSCALL_64_after_hwframe+0x63/0xcd

BUG: memory leak
unreferenced object 0xffff888141924000 (size 4096):
  comm "syz-executor.3", pid 5600, jiffies 4294944484 (age 14.580s)
  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:
    [<ffffffff81554d08>] __do_kmalloc_node mm/slab_common.c:984 [inline]
    [<ffffffff81554d08>] __kmalloc+0x48/0x150 mm/slab_common.c:998
    [<ffffffff824c8df9>] kmalloc_array include/linux/slab.h:619 [inline]
    [<ffffffff824c8df9>] __kfifo_alloc+0x89/0xe0 lib/kfifo.c:43
    [<ffffffff827ba251>] gsm_dlci_alloc+0x71/0x1f0 drivers/tty/n_gsm.c:2623
    [<ffffffff827c0969>] gsm_activate_mux drivers/tty/n_gsm.c:3103 [inline]
    [<ffffffff827c0969>] gsm_config drivers/tty/n_gsm.c:3358 [inline]
    [<ffffffff827c0969>] gsmld_ioctl+0x509/0xb70 drivers/tty/n_gsm.c:3736
    [<ffffffff827a5a81>] tty_ioctl+0x3f1/0xc70 drivers/tty/tty_io.c:2795
    [<ffffffff8168e5f2>] vfs_ioctl fs/ioctl.c:51 [inline]
    [<ffffffff8168e5f2>] __do_sys_ioctl fs/ioctl.c:870 [inline]
    [<ffffffff8168e5f2>] __se_sys_ioctl fs/ioctl.c:856 [inline]
    [<ffffffff8168e5f2>] __x64_sys_ioctl+0xf2/0x140 fs/ioctl.c:856
    [<ffffffff84ad3bb8>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
    [<ffffffff84ad3bb8>] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
    [<ffffffff84c0008b>] entry_SYSCALL_64_after_hwframe+0x63/0xcd

BUG: memory leak
unreferenced object 0xffff88812209dc00 (size 1024):
  comm "syz-executor.3", pid 5606, jiffies 4294944524 (age 14.180s)
  hex dump (first 32 bytes):
    00 c8 09 22 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:
    [<ffffffff815545e5>] kmalloc_trace+0x25/0x90 mm/slab_common.c:1076
    [<ffffffff827ba207>] kmalloc include/linux/slab.h:582 [inline]
    [<ffffffff827ba207>] kzalloc include/linux/slab.h:703 [inline]
    [<ffffffff827ba207>] gsm_dlci_alloc+0x27/0x1f0 drivers/tty/n_gsm.c:2618
    [<ffffffff827c0969>] gsm_activate_mux drivers/tty/n_gsm.c:3103 [inline]
    [<ffffffff827c0969>] gsm_config drivers/tty/n_gsm.c:3358 [inline]
    [<ffffffff827c0969>] gsmld_ioctl+0x509/0xb70 drivers/tty/n_gsm.c:3736
    [<ffffffff827a5a81>] tty_ioctl+0x3f1/0xc70 drivers/tty/tty_io.c:2795
    [<ffffffff8168e5f2>] vfs_ioctl fs/ioctl.c:51 [inline]
    [<ffffffff8168e5f2>] __do_sys_ioctl fs/ioctl.c:870 [inline]
    [<ffffffff8168e5f2>] __se_sys_ioctl fs/ioctl.c:856 [inline]
    [<ffffffff8168e5f2>] __x64_sys_ioctl+0xf2/0x140 fs/ioctl.c:856
    [<ffffffff84ad3bb8>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
    [<ffffffff84ad3bb8>] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
    [<ffffffff84c0008b>] entry_SYSCALL_64_after_hwframe+0x63/0xcd