2025/08/03 17:04:00 executed programs: 1 BUG: memory leak unreferenced object 0xffff8881129ad000 (size 1024): comm "syz-executor.0", pid 6284, jiffies 4294944967 hex dump (first 32 bytes): 00 cc 9a 12 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 860e8211): kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline] slab_post_alloc_hook mm/slub.c:4184 [inline] slab_alloc_node mm/slub.c:4229 [inline] __kmalloc_cache_noprof+0x35c/0x3f0 mm/slub.c:4391 kmalloc_noprof include/linux/slab.h:905 [inline] kzalloc_noprof include/linux/slab.h:1039 [inline] gsm_dlci_alloc+0x27/0x1f0 drivers/tty/n_gsm.c:2648 gsm_activate_mux+0x1c/0x1d0 drivers/tty/n_gsm.c:3189 gsm_config_ext drivers/tty/n_gsm.c:3494 [inline] gsmld_ioctl+0x6ce/0xa00 drivers/tty/n_gsm.c:3858 tty_ioctl+0x40d/0xd70 drivers/tty/tty_io.c:2801 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:598 [inline] __se_sys_ioctl fs/ioctl.c:584 [inline] __x64_sys_ioctl+0xf4/0x140 fs/ioctl.c:584 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xa4/0x2a0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f BUG: memory leak unreferenced object 0xffff88811060b000 (size 4096): comm "syz-executor.0", pid 6284, jiffies 4294944967 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): kmemleak_alloc_recursive include/linux/kmemleak.h:44 [inline] slab_post_alloc_hook mm/slub.c:4184 [inline] slab_alloc_node mm/slub.c:4229 [inline] __do_kmalloc_node mm/slub.c:4364 [inline] __kmalloc_noprof+0x36d/0x4f0 mm/slub.c:4377 kmalloc_noprof include/linux/slab.h:909 [inline] kmalloc_array_noprof include/linux/slab.h:948 [inline] __kfifo_alloc+0x89/0xf0 lib/kfifo.c:44 gsm_dlci_alloc+0x71/0x1f0 drivers/tty/n_gsm.c:2653 gsm_activate_mux+0x1c/0x1d0 drivers/tty/n_gsm.c:3189 gsm_config_ext drivers/tty/n_gsm.c:3494 [inline] gsmld_ioctl+0x6ce/0xa00 drivers/tty/n_gsm.c:3858 tty_ioctl+0x40d/0xd70 drivers/tty/tty_io.c:2801 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:598 [inline] __se_sys_ioctl fs/ioctl.c:584 [inline] __x64_sys_ioctl+0xf4/0x140 fs/ioctl.c:584 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xa4/0x2a0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f