------------[ cut here ]------------
refcount_t: decrement hit 0; leaking memory.
WARNING: CPU: 1 PID: 7764 at lib/refcount.c:31 refcount_warn_saturate+0x1e8/0x20c lib/refcount.c:31
Modules linked in:
CPU: 1 UID: 0 PID: 7764 Comm: syz.4.247 Not tainted 6.14.0-rc7-syzkaller-ga2392f333575 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : refcount_warn_saturate+0x1e8/0x20c lib/refcount.c:31
lr : refcount_warn_saturate+0x1e8/0x20c lib/refcount.c:31
sp : ffff8000a3f975b0
x29: ffff8000a3f975b0 x28: dfff800000000000 x27: ffff0000eda7c080
x26: dfff800000000000 x25: ffff7000147f2ec0 x24: ffff0000ceb3c610
x23: ffff0000d0c9c800 x22: ffff8000a3f97620 x21: 0000000000000004
x20: ffff0000d81b264c x19: ffff800092f0b000 x18: 0000000000000008
x17: 0000000000000000 x16: ffff80008b7285ac x15: ffff700011f87b50
x14: 1ffff00011f87b50 x13: 0000000000000004 x12: ffffffffffffffff
x11: 0000000000080000 x10: 0000000000002d10 x9 : 184680cf56621e00
x8 : 184680cf56621e00 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff8000a3f96d58 x4 : ffff80008fcafb00 x3 : ffff8000804a79e8
x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000000
Call trace:
 refcount_warn_saturate+0x1e8/0x20c lib/refcount.c:31 (P)
 __refcount_dec include/linux/refcount.h:336 [inline]
 refcount_dec include/linux/refcount.h:351 [inline]
 ref_tracker_free+0x550/0x6ac lib/ref_tracker.c:236
 netdev_tracker_free include/linux/netdevice.h:4302 [inline]
 netdev_put include/linux/netdevice.h:4319 [inline]
 ax25_release+0x348/0x8a4 net/ax25/af_ax25.c:1080
 __sock_release net/socket.c:647 [inline]
 sock_close+0xa4/0x1e8 net/socket.c:1398
 __fput+0x340/0x760 fs/file_table.c:464
 ____fput+0x20/0x30 fs/file_table.c:492
 task_work_run+0x230/0x2e0 kernel/task_work.c:227
 get_signal+0x1324/0x1500 kernel/signal.c:2809
 do_signal+0x22c/0x3a04 arch/arm64/kernel/signal.c:1658
 do_notify_resume+0x74/0x1f4 arch/arm64/kernel/entry-common.c:148
 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:169 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:178 [inline]
 el0_svc+0xac/0x168 arch/arm64/kernel/entry-common.c:745
 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600
irq event stamp: 1042
hardirqs last  enabled at (1041): [<ffff8000804afa4c>] __up_console_sem kernel/printk/printk.c:344 [inline]
hardirqs last  enabled at (1041): [<ffff8000804afa4c>] __console_unlock+0x70/0xc4 kernel/printk/printk.c:2869
hardirqs last disabled at (1042): [<ffff80008b7c3e94>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:488
softirqs last  enabled at (1026): [<ffff8000803128a4>] softirq_handle_end kernel/softirq.c:407 [inline]
softirqs last  enabled at (1026): [<ffff8000803128a4>] handle_softirqs+0xb44/0xd34 kernel/softirq.c:589
softirqs last disabled at (1011): [<ffff800080020dbc>] __do_softirq+0x14/0x20 kernel/softirq.c:595
---[ end trace 0000000000000000 ]---