BUG: memory leak
unreferenced object 0xffff888118a7dc00 (size 1024):
  comm "syz-executor.5", pid 5729, jiffies 4294945342 (age 13.530s)
  hex dump (first 32 bytes):
    00 d8 a7 18 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:
    [<ffffffff81575ab5>] kmalloc_trace+0x25/0x90 mm/slab_common.c:1117
    [<ffffffff827fb6c7>] kmalloc include/linux/slab.h:599 [inline]
    [<ffffffff827fb6c7>] kzalloc include/linux/slab.h:720 [inline]
    [<ffffffff827fb6c7>] gsm_dlci_alloc+0x27/0x1f0 drivers/tty/n_gsm.c:2640
    [<ffffffff827fb8ac>] gsm_activate_mux+0x1c/0x1c0 drivers/tty/n_gsm.c:3127
    [<ffffffff828023bf>] gsm_config_ext drivers/tty/n_gsm.c:3432 [inline]
    [<ffffffff828023bf>] gsmld_ioctl+0x6cf/0x9f0 drivers/tty/n_gsm.c:3796
    [<ffffffff827e6e7b>] tty_ioctl+0x3eb/0xc70 drivers/tty/tty_io.c:2789
    [<ffffffff816b4ef2>] vfs_ioctl fs/ioctl.c:51 [inline]
    [<ffffffff816b4ef2>] __do_sys_ioctl fs/ioctl.c:871 [inline]
    [<ffffffff816b4ef2>] __se_sys_ioctl fs/ioctl.c:857 [inline]
    [<ffffffff816b4ef2>] __x64_sys_ioctl+0xf2/0x140 fs/ioctl.c:857
    [<ffffffff84b35438>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
    [<ffffffff84b35438>] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
    [<ffffffff84c0008b>] entry_SYSCALL_64_after_hwframe+0x63/0xcd

BUG: memory leak
unreferenced object 0xffff888141fd8000 (size 4096):
  comm "syz-executor.5", pid 5729, jiffies 4294945342 (age 13.530s)
  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:
    [<ffffffff8157615b>] __do_kmalloc_node mm/slab_common.c:1025 [inline]
    [<ffffffff8157615b>] __kmalloc+0x4b/0x150 mm/slab_common.c:1039
    [<ffffffff8250ab09>] kmalloc_array include/linux/slab.h:636 [inline]
    [<ffffffff8250ab09>] __kfifo_alloc+0x89/0xe0 lib/kfifo.c:43
    [<ffffffff827fb711>] gsm_dlci_alloc+0x71/0x1f0 drivers/tty/n_gsm.c:2645
    [<ffffffff827fb8ac>] gsm_activate_mux+0x1c/0x1c0 drivers/tty/n_gsm.c:3127
    [<ffffffff828023bf>] gsm_config_ext drivers/tty/n_gsm.c:3432 [inline]
    [<ffffffff828023bf>] gsmld_ioctl+0x6cf/0x9f0 drivers/tty/n_gsm.c:3796
    [<ffffffff827e6e7b>] tty_ioctl+0x3eb/0xc70 drivers/tty/tty_io.c:2789
    [<ffffffff816b4ef2>] vfs_ioctl fs/ioctl.c:51 [inline]
    [<ffffffff816b4ef2>] __do_sys_ioctl fs/ioctl.c:871 [inline]
    [<ffffffff816b4ef2>] __se_sys_ioctl fs/ioctl.c:857 [inline]
    [<ffffffff816b4ef2>] __x64_sys_ioctl+0xf2/0x140 fs/ioctl.c:857
    [<ffffffff84b35438>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
    [<ffffffff84b35438>] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
    [<ffffffff84c0008b>] entry_SYSCALL_64_after_hwframe+0x63/0xcd

BUG: memory leak
unreferenced object 0xffff888117a03800 (size 1024):
  comm "syz-executor.5", pid 5768, jiffies 4294945397 (age 12.980s)
  hex dump (first 32 bytes):
    00 28 a0 17 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:
    [<ffffffff81575ab5>] kmalloc_trace+0x25/0x90 mm/slab_common.c:1117
    [<ffffffff827fb6c7>] kmalloc include/linux/slab.h:599 [inline]
    [<ffffffff827fb6c7>] kzalloc include/linux/slab.h:720 [inline]
    [<ffffffff827fb6c7>] gsm_dlci_alloc+0x27/0x1f0 drivers/tty/n_gsm.c:2640
    [<ffffffff827fb8ac>] gsm_activate_mux+0x1c/0x1c0 drivers/tty/n_gsm.c:3127
    [<ffffffff828023bf>] gsm_config_ext drivers/tty/n_gsm.c:3432 [inline]
    [<ffffffff828023bf>] gsmld_ioctl+0x6cf/0x9f0 drivers/tty/n_gsm.c:3796
    [<ffffffff827e6e7b>] tty_ioctl+0x3eb/0xc70 drivers/tty/tty_io.c:2789
    [<ffffffff816b4ef2>] vfs_ioctl fs/ioctl.c:51 [inline]
    [<ffffffff816b4ef2>] __do_sys_ioctl fs/ioctl.c:871 [inline]
    [<ffffffff816b4ef2>] __se_sys_ioctl fs/ioctl.c:857 [inline]
    [<ffffffff816b4ef2>] __x64_sys_ioctl+0xf2/0x140 fs/ioctl.c:857
    [<ffffffff84b35438>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
    [<ffffffff84b35438>] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
    [<ffffffff84c0008b>] entry_SYSCALL_64_after_hwframe+0x63/0xcd

BUG: memory leak
unreferenced object 0xffff8881184e5000 (size 4096):
  comm "syz-executor.5", pid 5768, jiffies 4294945397 (age 12.980s)
  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:
    [<ffffffff8157615b>] __do_kmalloc_node mm/slab_common.c:1025 [inline]
    [<ffffffff8157615b>] __kmalloc+0x4b/0x150 mm/slab_common.c:1039
    [<ffffffff8250ab09>] kmalloc_array include/linux/slab.h:636 [inline]
    [<ffffffff8250ab09>] __kfifo_alloc+0x89/0xe0 lib/kfifo.c:43
    [<ffffffff827fb711>] gsm_dlci_alloc+0x71/0x1f0 drivers/tty/n_gsm.c:2645
    [<ffffffff827fb8ac>] gsm_activate_mux+0x1c/0x1c0 drivers/tty/n_gsm.c:3127
    [<ffffffff828023bf>] gsm_config_ext drivers/tty/n_gsm.c:3432 [inline]
    [<ffffffff828023bf>] gsmld_ioctl+0x6cf/0x9f0 drivers/tty/n_gsm.c:3796
    [<ffffffff827e6e7b>] tty_ioctl+0x3eb/0xc70 drivers/tty/tty_io.c:2789
    [<ffffffff816b4ef2>] vfs_ioctl fs/ioctl.c:51 [inline]
    [<ffffffff816b4ef2>] __do_sys_ioctl fs/ioctl.c:871 [inline]
    [<ffffffff816b4ef2>] __se_sys_ioctl fs/ioctl.c:857 [inline]
    [<ffffffff816b4ef2>] __x64_sys_ioctl+0xf2/0x140 fs/ioctl.c:857
    [<ffffffff84b35438>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
    [<ffffffff84b35438>] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
    [<ffffffff84c0008b>] entry_SYSCALL_64_after_hwframe+0x63/0xcd

BUG: memory leak
unreferenced object 0xffff8881194d2c00 (size 1024):
  comm "syz-executor.3", pid 5788, jiffies 4294945456 (age 12.400s)
  hex dump (first 32 bytes):
    00 3c 4d 19 81 88 ff ff 00 00 00 00 00 00 00 00  .<M.............
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<ffffffff81575ab5>] kmalloc_trace+0x25/0x90 mm/slab_common.c:1117
    [<ffffffff827fb6c7>] kmalloc include/linux/slab.h:599 [inline]
    [<ffffffff827fb6c7>] kzalloc include/linux/slab.h:720 [inline]
    [<ffffffff827fb6c7>] gsm_dlci_alloc+0x27/0x1f0 drivers/tty/n_gsm.c:2640
    [<ffffffff827fb8ac>] gsm_activate_mux+0x1c/0x1c0 drivers/tty/n_gsm.c:3127
    [<ffffffff828023bf>] gsm_config_ext drivers/tty/n_gsm.c:3432 [inline]
    [<ffffffff828023bf>] gsmld_ioctl+0x6cf/0x9f0 drivers/tty/n_gsm.c:3796
    [<ffffffff827e6e7b>] tty_ioctl+0x3eb/0xc70 drivers/tty/tty_io.c:2789
    [<ffffffff816b4ef2>] vfs_ioctl fs/ioctl.c:51 [inline]
    [<ffffffff816b4ef2>] __do_sys_ioctl fs/ioctl.c:871 [inline]
    [<ffffffff816b4ef2>] __se_sys_ioctl fs/ioctl.c:857 [inline]
    [<ffffffff816b4ef2>] __x64_sys_ioctl+0xf2/0x140 fs/ioctl.c:857
    [<ffffffff84b35438>] do_syscall_x64 arch/x86/entry/common.c:50 [inline]
    [<ffffffff84b35438>] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
    [<ffffffff84c0008b>] entry_SYSCALL_64_after_hwframe+0x63/0xcd