------------[ cut here ]------------
refcount_t: decrement hit 0; leaking memory.
WARNING: CPU: 0 PID: 8588 at lib/refcount.c:31 refcount_warn_saturate+0xfa/0x1d0 lib/refcount.c:31
Modules linked in:
CPU: 0 PID: 8588 Comm: syz-executor.2 Not tainted 6.9.0-syzkaller-12143-g030fae30f059 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
RIP: 0010:refcount_warn_saturate+0xfa/0x1d0 lib/refcount.c:31
Code: b2 00 00 00 e8 27 15 e7 fc 5b 5d c3 cc cc cc cc e8 1b 15 e7 fc c6 05 ba b5 e8 0a 01 90 48 c7 c7 a0 90 1f 8c e8 97 45 a9 fc 90 <0f> 0b 90 90 eb d9 e8 fb 14 e7 fc c6 05 97 b5 e8 0a 01 90 48 c7 c7
RSP: 0018:ffffc900136afc48 EFLAGS: 00010246
RAX: 315d73f9300d0800 RBX: ffff88807e51c664 RCX: ffff888011550000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: 0000000000000004 R08: ffffffff815847a2 R09: fffffbfff1c3996c
R10: dffffc0000000000 R11: fffffbfff1c3996c R12: ffff88807e51c620
R13: 0000000000000000 R14: ffff88807e51c664 R15: dffffc0000000000
FS:  000055558062d480(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1fc1baae70 CR3: 000000002588c000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __refcount_dec include/linux/refcount.h:336 [inline]
 refcount_dec include/linux/refcount.h:351 [inline]
 ref_tracker_free+0x6af/0x7e0 lib/ref_tracker.c:236
 netdev_tracker_free include/linux/netdevice.h:4058 [inline]
 netdev_put include/linux/netdevice.h:4075 [inline]
 ax25_release+0x368/0x950 net/ax25/af_ax25.c:1069
 __sock_release net/socket.c:659 [inline]
 sock_close+0xbc/0x240 net/socket.c:1421
 __fput+0x406/0x8b0 fs/file_table.c:422
 __do_sys_close fs/open.c:1555 [inline]
 __se_sys_close fs/open.c:1540 [inline]
 __x64_sys_close+0x7f/0x110 fs/open.c:1540
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fd0c0c7bdda
Code: 48 3d 00 f0 ff ff 77 48 c3 0f 1f 80 00 00 00 00 48 83 ec 18 89 7c 24 0c e8 03 7f 02 00 8b 7c 24 0c 89 c2 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 36 89 d7 89 44 24 0c e8 63 7f 02 00 8b 44 24
RSP: 002b:00007ffee444f4e0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fd0c0c7bdda
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005
RBP: 00007fd0c0db59a0 R08: 0000001b33520000 R09: 7fffffffffffffff
R10: 000000000000004d R11: 0000000000000293 R12: 0000000000025a74
R13: 00007fd0c0db407c R14: 0000000000000032 R15: 00007fd0c0db59a0
 </TASK>