WARNING: CPU: 1 PID: 9342 at lib/refcount.c:31 refcount_warn_saturate+0x1e8/0x20c lib/refcount.c:31
Modules linked in:
CPU: 1 PID: 9342 Comm: syz.0.1034 Not tainted 6.1.130-syzkaller #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 : ffff8000213475d0
x29: ffff8000213475d0 x28: 1fffe0001beca0c3 x27: dfff800000000000
x26: dfff800000000000 x25: ffff700004268ec4 x24: ffff0000cab8ae00
x23: ffff0000cab8ae10 x22: ffff800021347640 x21: 0000000000000004
x20: ffff0000dc1225fc x19: ffff8000184e9000 x18: ffff800021346ca0
x17: ffff800018c58000 x16: ffff80000830270c x15: ffff800008a4b9fc
x14: ffff800008a4bcc4 x13: ffff800008230354 x12: 0000000000080000
x11: 00000000000125de x10: 0000000000000003 x9 : fdaf4301461a2e00
x8 : fdaf4301461a2e00 x7 : ffff8000081ece70 x6 : ffff800008230354
x5 : ffff0000dff9a2b8 x4 : ffff800021346fa0 x3 : 0000000000000000
x2 : 0000000000000006 x1 : ffff80001248d5c0 x0 : 0000000000000001
Call trace:
 refcount_warn_saturate+0x1e8/0x20c lib/refcount.c:31
 __refcount_dec include/linux/refcount.h:344 [inline]
 refcount_dec include/linux/refcount.h:359 [inline]
 ref_tracker_free+0x550/0x6ac lib/ref_tracker.c:118
 netdev_tracker_free include/linux/netdevice.h:4071 [inline]
 netdev_put include/linux/netdevice.h:4088 [inline]
 ax25_release+0x344/0x89c net/ax25/af_ax25.c:1080
 __sock_release net/socket.c:654 [inline]
 sock_close+0xb8/0x1fc net/socket.c:1400
 __fput+0x1c8/0x7c8 fs/file_table.c:320
 ____fput+0x20/0x30 fs/file_table.c:348
 task_work_run+0x240/0x2f0 kernel/task_work.c:203
 get_signal+0x1330/0x1528 kernel/signal.c:2648
 do_signal arch/arm64/kernel/signal.c:1076 [inline]
 do_notify_resume+0x388/0x2cb8 arch/arm64/kernel/signal.c:1129
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline]
 el0_svc+0x9c/0x168 arch/arm64/kernel/entry-common.c:638
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
irq event stamp: 1312
hardirqs last  enabled at (1311): [<ffff8000089778b4>] kasan_quarantine_put+0xdc/0x204 mm/kasan/quarantine.c:242
hardirqs last disabled at (1312): [<ffff80001232641c>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (1288): [<ffff8000081c40ac>] softirq_handle_end kernel/softirq.c:421 [inline]
softirqs last  enabled at (1288): [<ffff8000081c40ac>] handle_softirqs+0xb84/0xd58 kernel/softirq.c:606
softirqs last disabled at (1271): [<ffff800008020174>] __do_softirq+0x14/0x20 kernel/softirq.c:612
---[ end trace 0000000000000000 ]---