BUG: memory leak
unreferenced object 0xffff888143af3800 (size 1024):
  comm "syz-executor.2", pid 5752, jiffies 4294944793
  hex dump (first 32 bytes):
    00 34 af 43 81 88 ff ff 00 00 00 00 00 00 00 00  .4.C............
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace (crc 704e1f5a):
    [<ffffffff815f7d53>] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline]
    [<ffffffff815f7d53>] slab_post_alloc_hook mm/slub.c:3817 [inline]
    [<ffffffff815f7d53>] slab_alloc_node mm/slub.c:3860 [inline]
    [<ffffffff815f7d53>] kmalloc_trace+0x283/0x330 mm/slub.c:4007
    [<ffffffff8282ce87>] kmalloc include/linux/slab.h:590 [inline]
    [<ffffffff8282ce87>] kzalloc include/linux/slab.h:711 [inline]
    [<ffffffff8282ce87>] gsm_dlci_alloc+0x27/0x1f0 drivers/tty/n_gsm.c:2641
    [<ffffffff8282d06c>] gsm_activate_mux+0x1c/0x1c0 drivers/tty/n_gsm.c:3128
    [<ffffffff82833b9f>] gsm_config_ext drivers/tty/n_gsm.c:3433 [inline]
    [<ffffffff82833b9f>] gsmld_ioctl+0x6cf/0x9f0 drivers/tty/n_gsm.c:3797
    [<ffffffff828186cb>] tty_ioctl+0x3eb/0xc70 drivers/tty/tty_io.c:2789
    [<ffffffff816c6ee2>] vfs_ioctl fs/ioctl.c:51 [inline]
    [<ffffffff816c6ee2>] __do_sys_ioctl fs/ioctl.c:871 [inline]
    [<ffffffff816c6ee2>] __se_sys_ioctl fs/ioctl.c:857 [inline]
    [<ffffffff816c6ee2>] __x64_sys_ioctl+0xf2/0x140 fs/ioctl.c:857
    [<ffffffff84bb0910>] do_syscall_x64 arch/x86/entry/common.c:52 [inline]
    [<ffffffff84bb0910>] do_syscall_64+0x50/0x140 arch/x86/entry/common.c:83
    [<ffffffff84c0008b>] entry_SYSCALL_64_after_hwframe+0x63/0x6b

BUG: memory leak
unreferenced object 0xffff88811a107000 (size 4096):
  comm "syz-executor.2", pid 5752, jiffies 4294944793
  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):
    [<ffffffff815f798f>] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline]
    [<ffffffff815f798f>] slab_post_alloc_hook mm/slub.c:3817 [inline]
    [<ffffffff815f798f>] slab_alloc_node mm/slub.c:3860 [inline]
    [<ffffffff815f798f>] __do_kmalloc_node mm/slub.c:3980 [inline]
    [<ffffffff815f798f>] __kmalloc+0x2cf/0x410 mm/slub.c:3994
    [<ffffffff82538159>] kmalloc_array include/linux/slab.h:627 [inline]
    [<ffffffff82538159>] __kfifo_alloc+0x89/0xe0 lib/kfifo.c:43
    [<ffffffff8282ced1>] gsm_dlci_alloc+0x71/0x1f0 drivers/tty/n_gsm.c:2646
    [<ffffffff8282d06c>] gsm_activate_mux+0x1c/0x1c0 drivers/tty/n_gsm.c:3128
    [<ffffffff82833b9f>] gsm_config_ext drivers/tty/n_gsm.c:3433 [inline]
    [<ffffffff82833b9f>] gsmld_ioctl+0x6cf/0x9f0 drivers/tty/n_gsm.c:3797
    [<ffffffff828186cb>] tty_ioctl+0x3eb/0xc70 drivers/tty/tty_io.c:2789
    [<ffffffff816c6ee2>] vfs_ioctl fs/ioctl.c:51 [inline]
    [<ffffffff816c6ee2>] __do_sys_ioctl fs/ioctl.c:871 [inline]
    [<ffffffff816c6ee2>] __se_sys_ioctl fs/ioctl.c:857 [inline]
    [<ffffffff816c6ee2>] __x64_sys_ioctl+0xf2/0x140 fs/ioctl.c:857
    [<ffffffff84bb0910>] do_syscall_x64 arch/x86/entry/common.c:52 [inline]
    [<ffffffff84bb0910>] do_syscall_64+0x50/0x140 arch/x86/entry/common.c:83
    [<ffffffff84c0008b>] entry_SYSCALL_64_after_hwframe+0x63/0x6b

BUG: memory leak
unreferenced object 0xffff88811ab32800 (size 1024):
  comm "syz-executor.7", pid 5764, jiffies 4294944851
  hex dump (first 32 bytes):
    00 24 b3 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 (crc 7e1c0f32):
    [<ffffffff815f7d53>] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline]
    [<ffffffff815f7d53>] slab_post_alloc_hook mm/slub.c:3817 [inline]
    [<ffffffff815f7d53>] slab_alloc_node mm/slub.c:3860 [inline]
    [<ffffffff815f7d53>] kmalloc_trace+0x283/0x330 mm/slub.c:4007
    [<ffffffff8282ce87>] kmalloc include/linux/slab.h:590 [inline]
    [<ffffffff8282ce87>] kzalloc include/linux/slab.h:711 [inline]
    [<ffffffff8282ce87>] gsm_dlci_alloc+0x27/0x1f0 drivers/tty/n_gsm.c:2641
    [<ffffffff8282d06c>] gsm_activate_mux+0x1c/0x1c0 drivers/tty/n_gsm.c:3128
    [<ffffffff82833b9f>] gsm_config_ext drivers/tty/n_gsm.c:3433 [inline]
    [<ffffffff82833b9f>] gsmld_ioctl+0x6cf/0x9f0 drivers/tty/n_gsm.c:3797
    [<ffffffff828186cb>] tty_ioctl+0x3eb/0xc70 drivers/tty/tty_io.c:2789
    [<ffffffff816c6ee2>] vfs_ioctl fs/ioctl.c:51 [inline]
    [<ffffffff816c6ee2>] __do_sys_ioctl fs/ioctl.c:871 [inline]
    [<ffffffff816c6ee2>] __se_sys_ioctl fs/ioctl.c:857 [inline]
    [<ffffffff816c6ee2>] __x64_sys_ioctl+0xf2/0x140 fs/ioctl.c:857
    [<ffffffff84bb0910>] do_syscall_x64 arch/x86/entry/common.c:52 [inline]
    [<ffffffff84bb0910>] do_syscall_64+0x50/0x140 arch/x86/entry/common.c:83
    [<ffffffff84c0008b>] entry_SYSCALL_64_after_hwframe+0x63/0x6b

BUG: memory leak
unreferenced object 0xffff888142cbd000 (size 4096):
  comm "syz-executor.7", pid 5764, jiffies 4294944851
  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):
    [<ffffffff815f798f>] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline]
    [<ffffffff815f798f>] slab_post_alloc_hook mm/slub.c:3817 [inline]
    [<ffffffff815f798f>] slab_alloc_node mm/slub.c:3860 [inline]
    [<ffffffff815f798f>] __do_kmalloc_node mm/slub.c:3980 [inline]
    [<ffffffff815f798f>] __kmalloc+0x2cf/0x410 mm/slub.c:3994
    [<ffffffff82538159>] kmalloc_array include/linux/slab.h:627 [inline]
    [<ffffffff82538159>] __kfifo_alloc+0x89/0xe0 lib/kfifo.c:43
    [<ffffffff8282ced1>] gsm_dlci_alloc+0x71/0x1f0 drivers/tty/n_gsm.c:2646
    [<ffffffff8282d06c>] gsm_activate_mux+0x1c/0x1c0 drivers/tty/n_gsm.c:3128
    [<ffffffff82833b9f>] gsm_config_ext drivers/tty/n_gsm.c:3433 [inline]
    [<ffffffff82833b9f>] gsmld_ioctl+0x6cf/0x9f0 drivers/tty/n_gsm.c:3797
    [<ffffffff828186cb>] tty_ioctl+0x3eb/0xc70 drivers/tty/tty_io.c:2789
    [<ffffffff816c6ee2>] vfs_ioctl fs/ioctl.c:51 [inline]
    [<ffffffff816c6ee2>] __do_sys_ioctl fs/ioctl.c:871 [inline]
    [<ffffffff816c6ee2>] __se_sys_ioctl fs/ioctl.c:857 [inline]
    [<ffffffff816c6ee2>] __x64_sys_ioctl+0xf2/0x140 fs/ioctl.c:857
    [<ffffffff84bb0910>] do_syscall_x64 arch/x86/entry/common.c:52 [inline]
    [<ffffffff84bb0910>] do_syscall_64+0x50/0x140 arch/x86/entry/common.c:83
    [<ffffffff84c0008b>] entry_SYSCALL_64_after_hwframe+0x63/0x6b

BUG: memory leak
unreferenced object 0xffff88811a42ac00 (size 1024):
  comm "syz-executor.0", pid 5815, jiffies 4294944943
  hex dump (first 32 bytes):
    00 a8 42 1a 81 88 ff ff 00 00 00 00 00 00 00 00  ..B.............
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace (crc f109077d):
    [<ffffffff815f7d53>] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline]
    [<ffffffff815f7d53>] slab_post_alloc_hook mm/slub.c:3817 [inline]
    [<ffffffff815f7d53>] slab_alloc_node mm/slub.c:3860 [inline]
    [<ffffffff815f7d53>] kmalloc_trace+0x283/0x330 mm/slub.c:4007
    [<ffffffff8282ce87>] kmalloc include/linux/slab.h:590 [inline]
    [<ffffffff8282ce87>] kzalloc include/linux/slab.h:711 [inline]
    [<ffffffff8282ce87>] gsm_dlci_alloc+0x27/0x1f0 drivers/tty/n_gsm.c:2641
    [<ffffffff8282d06c>] gsm_activate_mux+0x1c/0x1c0 drivers/tty/n_gsm.c:3128
    [<ffffffff82833b9f>] gsm_config_ext drivers/tty/n_gsm.c:3433 [inline]
    [<ffffffff82833b9f>] gsmld_ioctl+0x6cf/0x9f0 drivers/tty/n_gsm.c:3797
    [<ffffffff828186cb>] tty_ioctl+0x3eb/0xc70 drivers/tty/tty_io.c:2789
    [<ffffffff816c6ee2>] vfs_ioctl fs/ioctl.c:51 [inline]
    [<ffffffff816c6ee2>] __do_sys_ioctl fs/ioctl.c:871 [inline]
    [<ffffffff816c6ee2>] __se_sys_ioctl fs/ioctl.c:857 [inline]
    [<ffffffff816c6ee2>] __x64_sys_ioctl+0xf2/0x140 fs/ioctl.c:857
    [<ffffffff84bb0910>] do_syscall_x64 arch/x86/entry/common.c:52 [inline]
    [<ffffffff84bb0910>] do_syscall_64+0x50/0x140 arch/x86/entry/common.c:83
    [<ffffffff84c0008b>] entry_SYSCALL_64_after_hwframe+0x63/0x6b