WARNING: CPU: 1 PID: 15531 at lib/refcount.c:31 refcount_warn_saturate+0xfa/0x1d0 lib/refcount.c:31
Modules linked in:
CPU: 1 PID: 15531 Comm: syz-executor.0 Not tainted 6.9.0-syzkaller-08544-g4b377b4868ef #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 e7 20 e6 fc 5b 5d c3 cc cc cc cc e8 db 20 e6 fc c6 05 29 36 e7 0a 01 90 48 c7 c7 c0 5c 1f 8c e8 a7 42 a8 fc 90 <0f> 0b 90 90 eb d9 e8 bb 20 e6 fc c6 05 06 36 e7 0a 01 90 48 c7 c7
RSP: 0018:ffffc900030a7908 EFLAGS: 00010246
RAX: dfe31c251f290d00 RBX: ffff888079442664 RCX: 0000000000040000
RDX: ffffc90011760000 RSI: 0000000000006b3b RDI: 0000000000006b3c
RBP: 0000000000000004 R08: ffffffff81585642 R09: fffffbfff1c3995c
R10: dffffc0000000000 R11: fffffbfff1c3995c R12: ffff888079442620
R13: 0000000000000000 R14: ffff888079442664 R15: dffffc0000000000
FS:  00007f68ed6596c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000080 CR3: 000000001ef7a000 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+0x429/0x8a0 fs/file_table.c:422
 task_work_run+0x24f/0x310 kernel/task_work.c:180
 get_signal+0x15e6/0x1740 kernel/signal.c:2683
 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+0x102/0x240 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f68ec87cee9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f68ed6590c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
RAX: 0000000000000000 RBX: 00007f68ec9abf80 RCX: 00007f68ec87cee9
RDX: 0000000000000019 RSI: 0000000000000101 RDI: 0000000000000007
RBP: 00007f68ec8c949e R08: 0000000000000010 R09: 0000000000000000
R10: 00000000200003c0 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f68ec9abf80 R15: 00007ffded0f6db8
 </TASK>