===================================================== BUG: KMSAN: uninit-value in consumer_filter kernel/events/uprobes.c:869 [inline] BUG: KMSAN: uninit-value in filter_chain kernel/events/uprobes.c:880 [inline] BUG: KMSAN: uninit-value in uprobe_mmap+0x2150/0x24d0 kernel/events/uprobes.c:1387 consumer_filter kernel/events/uprobes.c:869 [inline] filter_chain kernel/events/uprobes.c:880 [inline] uprobe_mmap+0x2150/0x24d0 kernel/events/uprobes.c:1387 mmap_region+0x3dfb/0x4420 mm/mmap.c:3058 do_mmap+0xebc/0x1b10 mm/mmap.c:1468 vm_mmap_pgoff+0x23b/0x5a0 mm/util.c:588 ksys_mmap_pgoff+0x5cb/0x7a0 mm/mmap.c:1514 __do_sys_mmap arch/x86/kernel/sys_x86_64.c:86 [inline] __se_sys_mmap arch/x86/kernel/sys_x86_64.c:79 [inline] __x64_sys_mmap+0x1a8/0x240 arch/x86/kernel/sys_x86_64.c:79 x64_sys_call+0x1bfb/0x3ba0 arch/x86/include/generated/asm/syscalls_64.h:10 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Uninit was created at: slab_post_alloc_hook mm/slub.c:3994 [inline] slab_alloc_node mm/slub.c:4037 [inline] __kmalloc_cache_noprof+0x4f0/0xb00 mm/slub.c:4184 kmalloc_noprof include/linux/slab.h:681 [inline] netdev_name_node_alloc net/core/dev.c:266 [inline] netdev_name_node_head_alloc net/core/dev.c:280 [inline] register_netdevice+0x453/0x22d0 net/core/dev.c:10365 nsim_init_netdevsim drivers/net/netdevsim/netdev.c:690 [inline] nsim_create+0xf49/0x10a0 drivers/net/netdevsim/netdev.c:750 __nsim_dev_port_add+0xac3/0x1120 drivers/net/netdevsim/dev.c:1390 nsim_dev_port_add_all drivers/net/netdevsim/dev.c:1446 [inline] nsim_dev_reload_create drivers/net/netdevsim/dev.c:1498 [inline] nsim_dev_reload_up+0xbde/0x1180 drivers/net/netdevsim/dev.c:985 devlink_reload+0x4e5/0xa50 net/devlink/dev.c:474 devlink_pernet_pre_exit+0x18f/0x520 net/devlink/core.c:509 ops_pre_exit_list net/core/net_namespace.c:163 [inline] cleanup_net+0xcad/0x1c90 net/core/net_namespace.c:620 process_one_work kernel/workqueue.c:3231 [inline] process_scheduled_works+0xae0/0x1c40 kernel/workqueue.c:3312 worker_thread+0xea7/0x14d0 kernel/workqueue.c:3389 kthread+0x3dd/0x540 kernel/kthread.c:389 ret_from_fork+0x6d/0x90 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 CPU: 0 UID: 0 PID: 9806 Comm: syz.2.1480 Not tainted 6.11.0-rc4-syzkaller-00268-g48fb4b3d9b43 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 =====================================================