BUG: memory leak unreferenced object 0xffff8881035efc00 (size 1024): comm "syz-executor.0", pid 5304, jiffies 4294943119 hex dump (first 32 bytes): 00 0c 9c 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 c142557c): kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline] slab_post_alloc_hook mm/slub.c:4625 [inline] slab_alloc_node mm/slub.c:4945 [inline] __kmalloc_cache_noprof+0x356/0x440 mm/slub.c:5511 _kmalloc_noprof include/linux/slab.h:969 [inline] _kzalloc_noprof include/linux/slab.h:1290 [inline] gsm_dlci_alloc+0x29/0x1b0 drivers/tty/n_gsm.c:2648 gsm_activate_mux+0x1a/0x1a0 drivers/tty/n_gsm.c:3189 gsm_config_ext drivers/tty/n_gsm.c:3494 [inline] gsmld_ioctl+0x1b8/0x9e0 drivers/tty/n_gsm.c:3858 tty_ioctl+0xabc/0xd50 drivers/tty/tty_io.c:2801 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:597 [inline] __se_sys_ioctl fs/ioctl.c:583 [inline] __x64_sys_ioctl+0xf4/0x140 fs/ioctl.c:583 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x5f/0x580 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x76/0x7e BUG: memory leak unreferenced object 0xffff888109829c00 (size 1024): comm "syz-executor.0", pid 5396, jiffies 4294943679 hex dump (first 32 bytes): 00 ec 2f 03 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 2f81146e): kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline] slab_post_alloc_hook mm/slub.c:4625 [inline] slab_alloc_node mm/slub.c:4945 [inline] __kmalloc_cache_noprof+0x356/0x440 mm/slub.c:5511 _kmalloc_noprof include/linux/slab.h:969 [inline] _kzalloc_noprof include/linux/slab.h:1290 [inline] gsm_dlci_alloc+0x29/0x1b0 drivers/tty/n_gsm.c:2648 gsm_activate_mux+0x1a/0x1a0 drivers/tty/n_gsm.c:3189 gsm_config_ext drivers/tty/n_gsm.c:3494 [inline] gsmld_ioctl+0x1b8/0x9e0 drivers/tty/n_gsm.c:3858 tty_ioctl+0xabc/0xd50 drivers/tty/tty_io.c:2801 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:597 [inline] __se_sys_ioctl fs/ioctl.c:583 [inline] __x64_sys_ioctl+0xf4/0x140 fs/ioctl.c:583 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x5f/0x580 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x76/0x7e