------------[ cut here ]------------
refcount_t: decrement hit 0; leaking memory.
WARNING: CPU: 1 PID: 19 at lib/refcount.c:31 refcount_warn_saturate+0x17c/0x1a0 lib/refcount.c:31
Modules linked in:
CPU: 1 PID: 19 Comm: ksoftirqd/1 Not tainted 5.15.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:refcount_warn_saturate+0x17c/0x1a0 lib/refcount.c:31
Code: d4 8a 31 c0 e8 c5 8a 38 fd 0f 0b e9 64 ff ff ff e8 49 ae 6e fd c6 05 ba 71 d5 09 01 48 c7 c7 a0 fb d4 8a 31 c0 e8 a4 8a 38 fd <0f> 0b e9 43 ff ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c a2 fe ff
RSP: 0018:ffffc90000d97a58 EFLAGS: 00010246
RAX: 23ffab28647ee600 RBX: 0000000000000004 RCX: ffff88801203d700
RDX: 0000000000000100 RSI: 0000000000000100 RDI: 0000000000000000
RBP: 0000000000000004 R08: ffffffff8169daf2 R09: ffffed10173667b1
R10: ffffed10173667b1 R11: 0000000000000000 R12: dffffc0000000000
R13: ffff888024086000 R14: ffff8880240865b0 R15: ffff88804b55f000
FS:  0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f853b944134 CR3: 000000000c88e000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __refcount_dec include/linux/refcount.h:344 [inline]
 refcount_dec include/linux/refcount.h:359 [inline]
 dev_put include/linux/netdevice.h:4166 [inline]
 in_dev_finish_destroy+0x16d/0x190 net/ipv4/devinet.c:246
 rcu_do_batch kernel/rcu/tree.c:2506 [inline]
 rcu_core+0x9b8/0x1610 kernel/rcu/tree.c:2741
 __do_softirq+0x392/0x7a3 kernel/softirq.c:558
 run_ksoftirqd+0xc1/0x120 kernel/softirq.c:920
 smpboot_thread_fn+0x533/0x9d0 kernel/smpboot.c:164
 kthread+0x468/0x490 kernel/kthread.c:327
 ret_from_fork+0x1f/0x30
 </TASK>