RAX: ffffffffffffffda RBX: 00007f5045c25fa0 RCX: 00007f504599e159
RDX: 0000000000000020 RSI: 0000200000000140 RDI: 0000000000000004
RBP: 00007f5046855090 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007f5045c26038 R14: 00007f5045c25fa0 R15: 00007f5045d4fa48
 </TASK>
------------[ cut here ]------------
1
WARNING: net/sched/act_ct.c:437 at tcf_ct_flow_table_add net/sched/act_ct.c:437 [inline], CPU#0: syz.7.4116/20915
WARNING: net/sched/act_ct.c:437 at tcf_ct_flow_table_process_conn+0x449/0x7c0 net/sched/act_ct.c:513, CPU#0: syz.7.4116/20915
Modules linked in:
CPU: 0 UID: 0 PID: 20915 Comm: syz.7.4116 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:tcf_ct_flow_table_add net/sched/act_ct.c:437 [inline]
RIP: 0010:tcf_ct_flow_table_process_conn+0x449/0x7c0 net/sched/act_ct.c:513
Code: 85 81 02 00 00 41 0f b7 2f 31 ff 89 ee e8 6f 2c e9 f7 85 ed 0f 84 7c 01 00 00 e8 22 28 e9 f7 e9 e0 01 00 00 e8 18 28 e9 f7 90 <0f> 0b 90 e9 b2 01 00 00 e8 0a 28 e9 f7 4d 89 f7 40 84 ed 74 27 e8
RSP: 0018:ffffc9000422ef38 EFLAGS: 00010293
RAX: ffffffff89deb3e8 RBX: ffff888033e5a000 RCX: ffff888032f80000
RDX: 0000000000000000 RSI: ffffffff8c6da760 RDI: ffffffff8c6da720
RBP: 0000000000000000 R08: 00000000ffffffff R09: 1ffffffff1dd5d06
R10: dffffc0000000000 R11: fffffbfff1dd5d07 R12: dffffc0000000000
R13: 1ffff110067cb41e R14: ffff888033e5a0c0 R15: 0000000000000001
FS:  00007f50468556c0(0000) GS:ffff888124ccb000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005555730309f8 CR3: 0000000029e54000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 tcf_ct_act+0x2a75/0x4050 net/sched/act_ct.c:1123
 tc_act include/net/tc_wrapper.h:131 [inline]
 tcf_action_exec+0x185/0x8d0 net/sched/act_api.c:1162
 tc_classify include/net/tc_wrapper.h:198 [inline]
 __tcf_classify net/sched/cls_api.c:1779 [inline]
 tcf_classify+0x43d/0x1160 net/sched/cls_api.c:1875
 tc_run+0x42d/0x750 net/core/dev.c:4463
 sch_handle_ingress net/core/dev.c:4538 [inline]
 __netif_receive_skb_core+0x1443/0x30c0 net/core/dev.c:6115
 __netif_receive_skb_one_core net/core/dev.c:6262 [inline]
 __netif_receive_skb net/core/dev.c:6377 [inline]
 netif_receive_skb_internal net/core/dev.c:6463 [inline]
 netif_receive_skb+0x1fe/0xbf0 net/core/dev.c:6522
 tun_rx_batched+0x1de/0x790 drivers/net/tun.c:1571
 tun_get_user+0x2be0/0x44d0 drivers/net/tun.c:2045
 tun_chr_write_iter+0x113/0x200 drivers/net/tun.c:2091
 new_sync_write fs/read_write.c:595 [inline]
 vfs_write+0x612/0xba0 fs/read_write.c:687
 ksys_write+0x150/0x270 fs/read_write.c:739
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f504599e159
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f5046855028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f5045c25fa0 RCX: 00007f504599e159
RDX: 0000000000000020 RSI: 0000200000000140 RDI: 0000000000000004
RBP: 00007f5046855090 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007f5045c26038 R14: 00007f5045c25fa0 R15: 00007f5045d4fa48
 </TASK>