netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. device bond3 entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): bond3: link is not ready ================================================================== BUG: KASAN: user-memory-access in atomic_inc include/asm-generic/atomic-instrumented.h:109 [inline] BUG: KASAN: user-memory-access in __lock_acquire+0x251/0x3ff0 kernel/locking/lockdep.c:3308 8021q: adding VLAN 0 to HW filter on device bond3 Write of size 4 at addr 0000770007700138 by task kworker/u4:3/28203 CPU: 1 PID: 28203 Comm: kworker/u4:3 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: bat_events batadv_purge_orig Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 kasan_report_error.cold+0x15b/0x1b9 mm/kasan/report.c:352 netlink: 88 bytes leftover after parsing attributes in process `syz-executor.0'. kasan_report+0x8f/0xa0 mm/kasan/report.c:412 atomic_inc include/asm-generic/atomic-instrumented.h:109 [inline] __lock_acquire+0x251/0x3ff0 kernel/locking/lockdep.c:3308 lock_acquire+0x170/0x3c0 kernel/locking/lockdep.c:3908 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:135 [inline] _raw_spin_lock_bh+0x2f/0x40 kernel/locking/spinlock.c:168 spin_lock_bh include/linux/spinlock.h:334 [inline] batadv_purge_orig_ref+0x16d/0x1110 net/batman-adv/originator.c:1363 batadv_purge_orig+0x17/0x60 net/batman-adv/originator.c:1392 process_one_work+0x864/0x1570 kernel/workqueue.c:2153 worker_thread+0x64c/0x1130 kernel/workqueue.c:2296 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 ==================================================================