BUG: memory leak
unreferenced object 0xffff88811b695000 (size 1024):
  comm "syz-executor.0", pid 5498, jiffies 4294944345 (age 13.900s)
  hex dump (first 32 bytes):
    00 00 cc 1b 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:
    [<ffffffff81633f1d>] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline]
    [<ffffffff81633f1d>] slab_post_alloc_hook mm/slab.h:766 [inline]
    [<ffffffff81633f1d>] slab_alloc_node mm/slub.c:3478 [inline]
    [<ffffffff81633f1d>] __kmem_cache_alloc_node+0x2dd/0x3f0 mm/slub.c:3517
    [<ffffffff8157eda5>] kmalloc_trace+0x25/0x90 mm/slab_common.c:1098
    [<ffffffff82812747>] kmalloc include/linux/slab.h:600 [inline]
    [<ffffffff82812747>] kzalloc include/linux/slab.h:721 [inline]
    [<ffffffff82812747>] gsm_dlci_alloc+0x27/0x1f0 drivers/tty/n_gsm.c:2641
    [<ffffffff8281292c>] gsm_activate_mux+0x1c/0x1c0 drivers/tty/n_gsm.c:3128
    [<ffffffff8281945f>] gsm_config_ext drivers/tty/n_gsm.c:3433 [inline]
    [<ffffffff8281945f>] gsmld_ioctl+0x6cf/0x9f0 drivers/tty/n_gsm.c:3797
    [<ffffffff827fdf6b>] tty_ioctl+0x3eb/0xc70 drivers/tty/tty_io.c:2789
    [<ffffffff816becc2>] vfs_ioctl fs/ioctl.c:51 [inline]
    [<ffffffff816becc2>] __do_sys_ioctl fs/ioctl.c:871 [inline]
    [<ffffffff816becc2>] __se_sys_ioctl fs/ioctl.c:857 [inline]
    [<ffffffff816becc2>] __x64_sys_ioctl+0xf2/0x140 fs/ioctl.c:857
    [<ffffffff84b6ddcf>] do_syscall_x64 arch/x86/entry/common.c:51 [inline]
    [<ffffffff84b6ddcf>] do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
    [<ffffffff84c0008b>] entry_SYSCALL_64_after_hwframe+0x63/0x6b

BUG: memory leak
unreferenced object 0xffff88810790f000 (size 4096):
  comm "syz-executor.0", pid 5498, jiffies 4294944345 (age 13.900s)
  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:
    [<ffffffff81633f1d>] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline]
    [<ffffffff81633f1d>] slab_post_alloc_hook mm/slab.h:766 [inline]
    [<ffffffff81633f1d>] slab_alloc_node mm/slub.c:3478 [inline]
    [<ffffffff81633f1d>] __kmem_cache_alloc_node+0x2dd/0x3f0 mm/slub.c:3517
    [<ffffffff8157f44b>] __do_kmalloc_node mm/slab_common.c:1006 [inline]
    [<ffffffff8157f44b>] __kmalloc+0x4b/0x150 mm/slab_common.c:1020
    [<ffffffff82520929>] kmalloc_array include/linux/slab.h:637 [inline]
    [<ffffffff82520929>] __kfifo_alloc+0x89/0xe0 lib/kfifo.c:43
    [<ffffffff82812791>] gsm_dlci_alloc+0x71/0x1f0 drivers/tty/n_gsm.c:2646
    [<ffffffff8281292c>] gsm_activate_mux+0x1c/0x1c0 drivers/tty/n_gsm.c:3128
    [<ffffffff8281945f>] gsm_config_ext drivers/tty/n_gsm.c:3433 [inline]
    [<ffffffff8281945f>] gsmld_ioctl+0x6cf/0x9f0 drivers/tty/n_gsm.c:3797
    [<ffffffff827fdf6b>] tty_ioctl+0x3eb/0xc70 drivers/tty/tty_io.c:2789
    [<ffffffff816becc2>] vfs_ioctl fs/ioctl.c:51 [inline]
    [<ffffffff816becc2>] __do_sys_ioctl fs/ioctl.c:871 [inline]
    [<ffffffff816becc2>] __se_sys_ioctl fs/ioctl.c:857 [inline]
    [<ffffffff816becc2>] __x64_sys_ioctl+0xf2/0x140 fs/ioctl.c:857
    [<ffffffff84b6ddcf>] do_syscall_x64 arch/x86/entry/common.c:51 [inline]
    [<ffffffff84b6ddcf>] do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
    [<ffffffff84c0008b>] entry_SYSCALL_64_after_hwframe+0x63/0x6b

BUG: memory leak
unreferenced object 0xffff888119a6d000 (size 1024):
  comm "syz-executor.0", pid 5756, jiffies 4294944921 (age 8.140s)
  hex dump (first 32 bytes):
    00 d4 a6 19 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:
    [<ffffffff81633f1d>] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline]
    [<ffffffff81633f1d>] slab_post_alloc_hook mm/slab.h:766 [inline]
    [<ffffffff81633f1d>] slab_alloc_node mm/slub.c:3478 [inline]
    [<ffffffff81633f1d>] __kmem_cache_alloc_node+0x2dd/0x3f0 mm/slub.c:3517
    [<ffffffff8157eda5>] kmalloc_trace+0x25/0x90 mm/slab_common.c:1098
    [<ffffffff82812747>] kmalloc include/linux/slab.h:600 [inline]
    [<ffffffff82812747>] kzalloc include/linux/slab.h:721 [inline]
    [<ffffffff82812747>] gsm_dlci_alloc+0x27/0x1f0 drivers/tty/n_gsm.c:2641
    [<ffffffff8281292c>] gsm_activate_mux+0x1c/0x1c0 drivers/tty/n_gsm.c:3128
    [<ffffffff8281945f>] gsm_config_ext drivers/tty/n_gsm.c:3433 [inline]
    [<ffffffff8281945f>] gsmld_ioctl+0x6cf/0x9f0 drivers/tty/n_gsm.c:3797
    [<ffffffff827fdf6b>] tty_ioctl+0x3eb/0xc70 drivers/tty/tty_io.c:2789
    [<ffffffff816becc2>] vfs_ioctl fs/ioctl.c:51 [inline]
    [<ffffffff816becc2>] __do_sys_ioctl fs/ioctl.c:871 [inline]
    [<ffffffff816becc2>] __se_sys_ioctl fs/ioctl.c:857 [inline]
    [<ffffffff816becc2>] __x64_sys_ioctl+0xf2/0x140 fs/ioctl.c:857
    [<ffffffff84b6ddcf>] do_syscall_x64 arch/x86/entry/common.c:51 [inline]
    [<ffffffff84b6ddcf>] do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
    [<ffffffff84c0008b>] entry_SYSCALL_64_after_hwframe+0x63/0x6b

BUG: memory leak
unreferenced object 0xffff88810400d000 (size 4096):
  comm "syz-executor.0", pid 5756, jiffies 4294944921 (age 8.140s)
  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:
    [<ffffffff81633f1d>] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline]
    [<ffffffff81633f1d>] slab_post_alloc_hook mm/slab.h:766 [inline]
    [<ffffffff81633f1d>] slab_alloc_node mm/slub.c:3478 [inline]
    [<ffffffff81633f1d>] __kmem_cache_alloc_node+0x2dd/0x3f0 mm/slub.c:3517
    [<ffffffff8157f44b>] __do_kmalloc_node mm/slab_common.c:1006 [inline]
    [<ffffffff8157f44b>] __kmalloc+0x4b/0x150 mm/slab_common.c:1020
    [<ffffffff82520929>] kmalloc_array include/linux/slab.h:637 [inline]
    [<ffffffff82520929>] __kfifo_alloc+0x89/0xe0 lib/kfifo.c:43
    [<ffffffff82812791>] gsm_dlci_alloc+0x71/0x1f0 drivers/tty/n_gsm.c:2646
    [<ffffffff8281292c>] gsm_activate_mux+0x1c/0x1c0 drivers/tty/n_gsm.c:3128
    [<ffffffff8281945f>] gsm_config_ext drivers/tty/n_gsm.c:3433 [inline]
    [<ffffffff8281945f>] gsmld_ioctl+0x6cf/0x9f0 drivers/tty/n_gsm.c:3797
    [<ffffffff827fdf6b>] tty_ioctl+0x3eb/0xc70 drivers/tty/tty_io.c:2789
    [<ffffffff816becc2>] vfs_ioctl fs/ioctl.c:51 [inline]
    [<ffffffff816becc2>] __do_sys_ioctl fs/ioctl.c:871 [inline]
    [<ffffffff816becc2>] __se_sys_ioctl fs/ioctl.c:857 [inline]
    [<ffffffff816becc2>] __x64_sys_ioctl+0xf2/0x140 fs/ioctl.c:857
    [<ffffffff84b6ddcf>] do_syscall_x64 arch/x86/entry/common.c:51 [inline]
    [<ffffffff84b6ddcf>] do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
    [<ffffffff84c0008b>] entry_SYSCALL_64_after_hwframe+0x63/0x6b

BUG: memory leak
unreferenced object 0xffff88811bcc1800 (size 1024):
  comm "syz-executor.0", pid 5766, jiffies 4294944954 (age 7.810s)
  hex dump (first 32 bytes):
    00 14 cc 1b 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:
    [<ffffffff81633f1d>] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline]
    [<ffffffff81633f1d>] slab_post_alloc_hook mm/slab.h:766 [inline]
    [<ffffffff81633f1d>] slab_alloc_node mm/slub.c:3478 [inline]
    [<ffffffff81633f1d>] __kmem_cache_alloc_node+0x2dd/0x3f0 mm/slub.c:3517
    [<ffffffff8157eda5>] kmalloc_trace+0x25/0x90 mm/slab_common.c:1098
    [<ffffffff82812747>] kmalloc include/linux/slab.h:600 [inline]
    [<ffffffff82812747>] kzalloc include/linux/slab.h:721 [inline]
    [<ffffffff82812747>] gsm_dlci_alloc+0x27/0x1f0 drivers/tty/n_gsm.c:2641
    [<ffffffff8281292c>] gsm_activate_mux+0x1c/0x1c0 drivers/tty/n_gsm.c:3128
    [<ffffffff8281945f>] gsm_config_ext drivers/tty/n_gsm.c:3433 [inline]
    [<ffffffff8281945f>] gsmld_ioctl+0x6cf/0x9f0 drivers/tty/n_gsm.c:3797
    [<ffffffff827fdf6b>] tty_ioctl+0x3eb/0xc70 drivers/tty/tty_io.c:2789
    [<ffffffff816becc2>] vfs_ioctl fs/ioctl.c:51 [inline]
    [<ffffffff816becc2>] __do_sys_ioctl fs/ioctl.c:871 [inline]
    [<ffffffff816becc2>] __se_sys_ioctl fs/ioctl.c:857 [inline]
    [<ffffffff816becc2>] __x64_sys_ioctl+0xf2/0x140 fs/ioctl.c:857
    [<ffffffff84b6ddcf>] do_syscall_x64 arch/x86/entry/common.c:51 [inline]
    [<ffffffff84b6ddcf>] do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82
    [<ffffffff84c0008b>] entry_SYSCALL_64_after_hwframe+0x63/0x6b