------------[ cut here ]------------
refcount_t: decrement hit 0; leaking memory.
WARNING: CPU: 0 PID: 18315 at lib/refcount.c:31 refcount_warn_saturate+0xfa/0x1d0 lib/refcount.c:31
Modules linked in:
CPU: 0 UID: 0 PID: 18315 Comm: syz.9.2955 Not tainted 6.14.0-rc2-syzkaller-00056-gab68d7eb7b1a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:refcount_warn_saturate+0xfa/0x1d0 lib/refcount.c:31
Code: b2 00 00 00 e8 47 8e d6 fc 5b 5d e9 ab 7f 27 fc e8 3b 8e d6 fc c6 05 c8 bd 1c 0b 01 90 48 c7 c7 80 48 60 8c e8 17 38 97 fc 90 <0f> 0b 90 90 eb d9 e8 1b 8e d6 fc c6 05 a5 bd 1c 0b 01 90 48 c7 c7
RSP: 0018:ffffc900044a7b68 EFLAGS: 00010246
RAX: e317ad9e61aa1100 RBX: ffff88801cbc264c RCX: ffff888034e18000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: 0000000000000004 R08: ffffffff817ffc22 R09: 1ffff110170c519a
R10: dffffc0000000000 R11: ffffed10170c519b R12: ffff88801cbc2608
R13: 0000000000000000 R14: ffff88801cbc264c R15: dffffc0000000000
FS:  0000555594f79500(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3cc1e45b03 CR3: 0000000022354000 CR4: 0000000000350ef0
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:4295 [inline]
 netdev_put include/linux/netdevice.h:4312 [inline]
 ax25_release+0x368/0x960 net/ax25/af_ax25.c:1069
 __sock_release net/socket.c:647 [inline]
 sock_close+0xbe/0x240 net/socket.c:1398
 __fput+0x3eb/0x9f0 fs/file_table.c:464
 task_work_run+0x251/0x310 kernel/task_work.c:227
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0x13f/0x340 kernel/entry/common.c:218
 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f6713f8cde9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffcef476978 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 000000000014515e RCX: 00007f6713f8cde9
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 00007f67141a7ba0 R08: 0000000000000001 R09: 00000002ef476c6f
R10: 00007f6713e00000 R11: 0000000000000246 R12: 00007f67141a5fac
R13: 00007f67141a5fa0 R14: ffffffffffffffff R15: 00007ffcef476a90
 </TASK>