RBP: 00007f171b00f4fd R08: 0000000000000000 R09: 00007ffe3fdc3357
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
R13: 00007ffe3fdc3550 R14: 00007f171bcd4620 R15: 0000000000000003
 </TASK>
---[ end trace 0000000000000000 ]---
=====================================================
BUG: KMSAN: uninit-value in __list_add_valid include/linux/list.h:83 [inline]
BUG: KMSAN: uninit-value in __list_add include/linux/list.h:150 [inline]
BUG: KMSAN: uninit-value in list_add_tail include/linux/list.h:183 [inline]
BUG: KMSAN: uninit-value in list_move_tail include/linux/list.h:311 [inline]
BUG: KMSAN: uninit-value in ref_tracker_free+0x8c7/0xec0 lib/ref_tracker.c:262
 __list_add_valid include/linux/list.h:83 [inline]
 __list_add include/linux/list.h:150 [inline]
 list_add_tail include/linux/list.h:183 [inline]
 list_move_tail include/linux/list.h:311 [inline]
 ref_tracker_free+0x8c7/0xec0 lib/ref_tracker.c:262
 netdev_tracker_free include/linux/netdevice.h:4295 [inline]
 netdev_put include/linux/netdevice.h:4312 [inline]
 neigh_parms_release+0x212/0x3d0 net/core/neighbour.c:1711
 inetdev_destroy net/ipv4/devinet.c:343 [inline]
 inetdev_event+0x1412/0x1e60 net/ipv4/devinet.c:1663
 notifier_call_chain kernel/notifier.c:85 [inline]
 raw_notifier_call_chain+0xe8/0x440 kernel/notifier.c:453
 call_netdevice_notifiers_info+0x1be/0x2b0 net/core/dev.c:2141
 call_netdevice_notifiers_extack net/core/dev.c:2179 [inline]
 call_netdevice_notifiers net/core/dev.c:2193 [inline]
 unregister_netdevice_many_notify+0x1fbf/0x3e30 net/core/dev.c:11809
 unregister_netdevice_many net/core/dev.c:11875 [inline]
 unregister_netdevice_queue+0x598/0x5f0 net/core/dev.c:11741
 unregister_netdevice include/linux/netdevice.h:3329 [inline]
 nsim_destroy+0x143/0x6f0 drivers/net/netdevsim/netdev.c:1021
 __nsim_dev_port_del+0x1e9/0x320 drivers/net/netdevsim/dev.c:1428
 nsim_dev_port_del_all drivers/net/netdevsim/dev.c:1440 [inline]
 nsim_dev_reload_destroy+0x464/0x7b0 drivers/net/netdevsim/dev.c:1661
 nsim_drv_remove+0x93/0x310 drivers/net/netdevsim/dev.c:1676
 nsim_bus_remove+0x1e/0x30 drivers/net/netdevsim/bus.c:398
 device_remove drivers/base/dd.c:567 [inline]
 __device_release_driver drivers/base/dd.c:1273 [inline]
 device_release_driver_internal+0x58a/0x990 drivers/base/dd.c:1296
 device_release_driver+0x22/0x30 drivers/base/dd.c:1319
 bus_remove_device+0x71b/0x760 drivers/base/bus.c:576
 device_del+0x7ee/0xd40 drivers/base/core.c:3854
 device_unregister+0x1e/0x40 drivers/base/core.c:3895
 nsim_bus_dev_del drivers/net/netdevsim/bus.c:462 [inline]
 del_device_store+0x421/0x640 drivers/net/netdevsim/bus.c:226
 bus_attr_store+0x92/0xf0 drivers/base/bus.c:172
 sysfs_kf_write+0x19a/0x250 fs/sysfs/file.c:139
 kernfs_fop_write_iter+0x525/0x910 fs/kernfs/file.c:334
 new_sync_write fs/read_write.c:586 [inline]
 vfs_write+0xb34/0x1540 fs/read_write.c:679
 ksys_write+0x240/0x4b0 fs/read_write.c:731
 __do_sys_write fs/read_write.c:742 [inline]
 __se_sys_write fs/read_write.c:739 [inline]
 __x64_sys_write+0x93/0xe0 fs/read_write.c:739
 x64_sys_call+0x3161/0x3c30 arch/x86/include/generated/asm/syscalls_64.h:2
 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:4121 [inline]
 slab_alloc_node mm/slub.c:4164 [inline]
 __kmalloc_cache_noprof+0x8e3/0xdf0 mm/slub.c:4320
 kmalloc_noprof include/linux/slab.h:901 [inline]
 batadv_forw_packet_alloc+0x1c8/0x530 net/batman-adv/send.c:519
 batadv_iv_ogm_aggregate_new net/batman-adv/bat_iv_ogm.c:562 [inline]
 batadv_iv_ogm_queue_add+0x114e/0x18a0 net/batman-adv/bat_iv_ogm.c:670
 batadv_iv_ogm_schedule_buff net/batman-adv/bat_iv_ogm.c:833 [inline]
 batadv_iv_ogm_schedule+0xce8/0x1510 net/batman-adv/bat_iv_ogm.c:868
 batadv_iv_send_outstanding_bat_ogm_packet+0xcda/0xe50 net/batman-adv/bat_iv_ogm.c:1712
 process_one_work kernel/workqueue.c:3236 [inline]
 process_scheduled_works+0xae0/0x1c40 kernel/workqueue.c:3317
 worker_thread+0xea7/0x14f0 kernel/workqueue.c:3398
 kthread+0x6b9/0xef0 kernel/kthread.c:464
 ret_from_fork+0x6d/0x90 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244

CPU: 1 UID: 0 PID: 7563 Comm: syz-executor Tainted: G        W          6.13.0-syzkaller-08997-gf34b580514c9 #0
Tainted: [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
=====================================================