BUG: memory leak
unreferenced object 0xffff88811c817400 (size 1024):
  comm "syz-executor.0", pid 5534, jiffies 4294944625
  hex dump (first 32 bytes):
    00 70 81 1c 81 88 ff ff 00 00 00 00 00 00 00 00  .p..............
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace (crc 24636ecc):
    [<ffffffff816633e2>] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline]
    [<ffffffff816633e2>] slab_post_alloc_hook mm/slub.c:3802 [inline]
    [<ffffffff816633e2>] slab_alloc_node mm/slub.c:3845 [inline]
    [<ffffffff816633e2>] kmalloc_trace+0x282/0x330 mm/slub.c:3992
    [<ffffffff82aff187>] kmalloc include/linux/slab.h:628 [inline]
    [<ffffffff82aff187>] kzalloc include/linux/slab.h:749 [inline]
    [<ffffffff82aff187>] gsm_dlci_alloc+0x27/0x1f0 drivers/tty/n_gsm.c:2641
    [<ffffffff82aff37c>] gsm_activate_mux+0x1c/0x1d0 drivers/tty/n_gsm.c:3128
    [<ffffffff82b061d3>] gsm_config_ext drivers/tty/n_gsm.c:3433 [inline]
    [<ffffffff82b061d3>] gsmld_ioctl+0x6d3/0xa00 drivers/tty/n_gsm.c:3797
    [<ffffffff82ae9872>] tty_ioctl+0x3f2/0xc80 drivers/tty/tty_io.c:2812
    [<ffffffff8173aea6>] vfs_ioctl fs/ioctl.c:51 [inline]
    [<ffffffff8173aea6>] __do_sys_ioctl fs/ioctl.c:904 [inline]
    [<ffffffff8173aea6>] __se_sys_ioctl fs/ioctl.c:890 [inline]
    [<ffffffff8173aea6>] __x64_sys_ioctl+0xf6/0x150 fs/ioctl.c:890
    [<ffffffff850d7f00>] do_syscall_x64 arch/x86/entry/common.c:52 [inline]
    [<ffffffff850d7f00>] do_syscall_64+0xa0/0x1d0 arch/x86/entry/common.c:83
    [<ffffffff85200130>] entry_SYSCALL_64_after_hwframe+0x77/0x7f

BUG: memory leak
unreferenced object 0xffff8881095d7000 (size 4096):
  comm "syz-executor.0", pid 5534, jiffies 4294944625
  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):
    [<ffffffff8166300e>] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline]
    [<ffffffff8166300e>] slab_post_alloc_hook mm/slub.c:3802 [inline]
    [<ffffffff8166300e>] slab_alloc_node mm/slub.c:3845 [inline]
    [<ffffffff8166300e>] __do_kmalloc_node mm/slub.c:3965 [inline]
    [<ffffffff8166300e>] __kmalloc+0x2ce/0x410 mm/slub.c:3979
    [<ffffffff827dfba9>] kmalloc_array include/linux/slab.h:665 [inline]
    [<ffffffff827dfba9>] __kfifo_alloc+0x89/0xf0 lib/kfifo.c:43
    [<ffffffff82aff1d1>] gsm_dlci_alloc+0x71/0x1f0 drivers/tty/n_gsm.c:2646
    [<ffffffff82aff37c>] gsm_activate_mux+0x1c/0x1d0 drivers/tty/n_gsm.c:3128
    [<ffffffff82b061d3>] gsm_config_ext drivers/tty/n_gsm.c:3433 [inline]
    [<ffffffff82b061d3>] gsmld_ioctl+0x6d3/0xa00 drivers/tty/n_gsm.c:3797
    [<ffffffff82ae9872>] tty_ioctl+0x3f2/0xc80 drivers/tty/tty_io.c:2812
    [<ffffffff8173aea6>] vfs_ioctl fs/ioctl.c:51 [inline]
    [<ffffffff8173aea6>] __do_sys_ioctl fs/ioctl.c:904 [inline]
    [<ffffffff8173aea6>] __se_sys_ioctl fs/ioctl.c:890 [inline]
    [<ffffffff8173aea6>] __x64_sys_ioctl+0xf6/0x150 fs/ioctl.c:890
    [<ffffffff850d7f00>] do_syscall_x64 arch/x86/entry/common.c:52 [inline]
    [<ffffffff850d7f00>] do_syscall_64+0xa0/0x1d0 arch/x86/entry/common.c:83
    [<ffffffff85200130>] entry_SYSCALL_64_after_hwframe+0x77/0x7f

BUG: memory leak
unreferenced object 0xffff888108973400 (size 1024):
  comm "syz-executor.0", pid 5795, jiffies 4294945251
  hex dump (first 32 bytes):
    00 3c 97 08 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 35f21c20):
    [<ffffffff816633e2>] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline]
    [<ffffffff816633e2>] slab_post_alloc_hook mm/slub.c:3802 [inline]
    [<ffffffff816633e2>] slab_alloc_node mm/slub.c:3845 [inline]
    [<ffffffff816633e2>] kmalloc_trace+0x282/0x330 mm/slub.c:3992
    [<ffffffff82aff187>] kmalloc include/linux/slab.h:628 [inline]
    [<ffffffff82aff187>] kzalloc include/linux/slab.h:749 [inline]
    [<ffffffff82aff187>] gsm_dlci_alloc+0x27/0x1f0 drivers/tty/n_gsm.c:2641
    [<ffffffff82aff37c>] gsm_activate_mux+0x1c/0x1d0 drivers/tty/n_gsm.c:3128
    [<ffffffff82b061d3>] gsm_config_ext drivers/tty/n_gsm.c:3433 [inline]
    [<ffffffff82b061d3>] gsmld_ioctl+0x6d3/0xa00 drivers/tty/n_gsm.c:3797
    [<ffffffff82ae9872>] tty_ioctl+0x3f2/0xc80 drivers/tty/tty_io.c:2812
    [<ffffffff8173aea6>] vfs_ioctl fs/ioctl.c:51 [inline]
    [<ffffffff8173aea6>] __do_sys_ioctl fs/ioctl.c:904 [inline]
    [<ffffffff8173aea6>] __se_sys_ioctl fs/ioctl.c:890 [inline]
    [<ffffffff8173aea6>] __x64_sys_ioctl+0xf6/0x150 fs/ioctl.c:890
    [<ffffffff850d7f00>] do_syscall_x64 arch/x86/entry/common.c:52 [inline]
    [<ffffffff850d7f00>] do_syscall_64+0xa0/0x1d0 arch/x86/entry/common.c:83
    [<ffffffff85200130>] entry_SYSCALL_64_after_hwframe+0x77/0x7f

BUG: memory leak
unreferenced object 0xffff888113020000 (size 4096):
  comm "syz-executor.0", pid 5795, jiffies 4294945251
  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):
    [<ffffffff8166300e>] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline]
    [<ffffffff8166300e>] slab_post_alloc_hook mm/slub.c:3802 [inline]
    [<ffffffff8166300e>] slab_alloc_node mm/slub.c:3845 [inline]
    [<ffffffff8166300e>] __do_kmalloc_node mm/slub.c:3965 [inline]
    [<ffffffff8166300e>] __kmalloc+0x2ce/0x410 mm/slub.c:3979
    [<ffffffff827dfba9>] kmalloc_array include/linux/slab.h:665 [inline]
    [<ffffffff827dfba9>] __kfifo_alloc+0x89/0xf0 lib/kfifo.c:43
    [<ffffffff82aff1d1>] gsm_dlci_alloc+0x71/0x1f0 drivers/tty/n_gsm.c:2646
    [<ffffffff82aff37c>] gsm_activate_mux+0x1c/0x1d0 drivers/tty/n_gsm.c:3128
    [<ffffffff82b061d3>] gsm_config_ext drivers/tty/n_gsm.c:3433 [inline]
    [<ffffffff82b061d3>] gsmld_ioctl+0x6d3/0xa00 drivers/tty/n_gsm.c:3797
    [<ffffffff82ae9872>] tty_ioctl+0x3f2/0xc80 drivers/tty/tty_io.c:2812
    [<ffffffff8173aea6>] vfs_ioctl fs/ioctl.c:51 [inline]
    [<ffffffff8173aea6>] __do_sys_ioctl fs/ioctl.c:904 [inline]
    [<ffffffff8173aea6>] __se_sys_ioctl fs/ioctl.c:890 [inline]
    [<ffffffff8173aea6>] __x64_sys_ioctl+0xf6/0x150 fs/ioctl.c:890
    [<ffffffff850d7f00>] do_syscall_x64 arch/x86/entry/common.c:52 [inline]
    [<ffffffff850d7f00>] do_syscall_64+0xa0/0x1d0 arch/x86/entry/common.c:83
    [<ffffffff85200130>] entry_SYSCALL_64_after_hwframe+0x77/0x7f