------------[ cut here ]------------
refcount_t: decrement hit 0; leaking memory.
WARNING: CPU: 1 PID: 15774 at lib/refcount.c:31 refcount_warn_saturate+0xfa/0x1d0 lib/refcount.c:31
Modules linked in:
CPU: 1 PID: 15774 Comm: syz-executor.1 Not tainted 6.9.0-syzkaller-12116-g782471db6c72 #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:ffffc9000d437748 EFLAGS: 00010246
RAX: e3e5cefcf74e0d00 RBX: ffff888011668664 RCX: ffff888020945a00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: 0000000000000004 R08: ffffffff815847a2 R09: fffffbfff1c3996c
R10: dffffc0000000000 R11: fffffbfff1c3996c R12: ffff888011668620
R13: 0000000000000000 R14: ffff888011668664 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32a2a000 CR3: 000000006091e000 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
 task_work_run+0x24f/0x310 kernel/task_work.c:180
 exit_task_work include/linux/task_work.h:38 [inline]
 do_exit+0xa27/0x27e0 kernel/exit.c:874
 do_group_exit+0x207/0x2c0 kernel/exit.c:1023
 get_signal+0x16a1/0x1740 kernel/signal.c:2909
 arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:310
 exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0xc9/0x370 kernel/entry/common.c:218
 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f97dcc7cee9
Code: Unable to access opcode bytes at 0x7f97dcc7cebf.
RSP: 002b:00007f97dda45178 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f97dcdb3fa8 RCX: 00007f97dcc7cee9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f97dcdb3fa8
RBP: 00007f97dcdb3fa0 R08: 00007f97dda456c0 R09: 00007f97dda456c0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f97dcdb3fac
R13: 000000000000004d R14: 00007ffc74535cb0 R15: 00007ffc74535d98
 </TASK>