------------[ cut here ]------------ refcount_t: decrement hit 0; leaking memory. WARNING: CPU: 1 PID: 31042 at lib/refcount.c:31 refcount_warn_saturate+0xbf/0x1e0 lib/refcount.c:31 Modules linked in: CPU: 1 PID: 31042 Comm: syz-fuzzer 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+0xbf/0x1e0 lib/refcount.c:31 Code: 1d 69 11 82 09 31 ff 89 de e8 ad ae 9e fd 84 db 75 e0 e8 64 a8 9e fd 48 c7 c7 20 2a e4 89 c6 05 49 11 82 09 01 e8 c1 55 1b 05 <0f> 0b eb c4 e8 48 a8 9e fd 0f b6 1d 38 11 82 09 31 ff 89 de e8 78 RSP: 0000:ffffc9000471fd38 EFLAGS: 00010286 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff88803bc50000 RSI: ffffffff815ef908 RDI: fffff520008e3f99 RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff815e96ee R11: 0000000000000000 R12: 0000000000000001 R13: ffff8880369525b0 R14: 0000000000000005 R15: ffff8880226bb9e8 FS: 000000c0095da490(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff69ecf4010 CR3: 000000006f8c1000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __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+0x160/0x1b0 net/ipv4/devinet.c:246 in_dev_put include/linux/inetdevice.h:276 [inline] in_dev_rcu_put+0x83/0xb0 net/ipv4/devinet.c:303 rcu_do_batch kernel/rcu/tree.c:2506 [inline] rcu_core+0x7ab/0x1470 kernel/rcu/tree.c:2741 __do_softirq+0x29b/0x9c2 kernel/softirq.c:558 invoke_softirq kernel/softirq.c:432 [inline] __irq_exit_rcu+0x123/0x180 kernel/softirq.c:636 irq_exit_rcu+0x5/0x20 kernel/softirq.c:648 sysvec_apic_timer_interrupt+0x45/0xc0 arch/x86/kernel/apic/apic.c:1097 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0033:0x4214d8 Code: 34 30 44 84 ce 0f 85 a8 00 00 00 90 f0 44 08 0f 48 8b 35 fb e8 78 01 84 06 90 90 48 8b 4b 18 90 48 bf 00 00 00 00 00 80 00 00 <48> 8d 04 0f 48 c1 e8 1a 48 3d 00 00 40 00 0f 83 9d 00 00 00 48 8b RSP: 002b:000000c0002ede78 EFLAGS: 00000246 RAX: 0000000000000013 RBX: 00007f3e9e91c6f0 RCX: 000000c00f5dc000 RDX: 000000c00f5dd3a0 RSI: 00007f3ea7fd3000 RDI: 0000800000000000 RBP: 000000c0002ede98 R08: 000000000000009d R09: 0000000000000020 R10: 000000c00001fe98 R11: 0000000000000008 R12: 000000c00f5dd3a0 R13: 000000c0000200b8 R14: 0000000000c55a05 R15: 0000000000000000