device lo entered promiscuous mode kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 18 Comm: ksoftirqd/1 Not tainted 4.19.193-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:lookup_object lib/debugobjects.c:156 [inline] RIP: 0010:debug_object_active_state lib/debugobjects.c:727 [inline] RIP: 0010:debug_object_active_state+0x14b/0x330 lib/debugobjects.c:713 Code: 8f 01 00 00 48 8b ab 80 bb 36 8d 31 db 48 85 ed 74 44 49 bc 00 00 00 00 00 fc ff df 48 8d 7d 18 83 c3 01 48 89 f8 48 c1 e8 03 <42> 80 3c 20 00 0f 85 03 01 00 00 4c 3b 7d 18 74 71 48 89 e8 48 c1 RSP: 0018:ffff8880b5ad7bf0 EFLAGS: 00010006 RAX: 00000000e0e00003 RBX: 0000000000000002 RCX: 0000000000000000 RDX: 0000000000000001 RSI: ffffffff89f85dc0 RDI: 0000000707000018 RBP: 0000000707000000 R08: 0000000000000282 R09: fffffbfff1a82fe1 R10: ffffffff8d417f0b R11: 0000000000000000 R12: dffffc0000000000 R13: 1ffff11016b5af82 R14: ffffffff8d417f08 R15: ffff88803fdc5f10 FS: 0000000000000000(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000564154f4d160 CR3: 0000000009e6d000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: debug_rcu_head_unqueue kernel/rcu/rcu.h:202 [inline] rcu_do_batch kernel/rcu/tree.c:2583 [inline] invoke_rcu_callbacks kernel/rcu/tree.c:2897 [inline] __rcu_process_callbacks kernel/rcu/tree.c:2864 [inline] rcu_process_callbacks+0x9af/0x18b0 kernel/rcu/tree.c:2881 __do_softirq+0x265/0x980 kernel/softirq.c:292 run_ksoftirqd+0x57/0x110 kernel/softirq.c:653 smpboot_thread_fn+0x655/0x9e0 kernel/smpboot.c:164 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 Modules linked in: ======================================================