device syzkaller0 entered promiscuous mode
------------[ cut here ]------------
WARNING: CPU: 1 PID: 6077 at include/linux/skbuff.h:2844 skb_transport_header include/linux/skbuff.h:2844 [inline]
WARNING: CPU: 1 PID: 6077 at include/linux/skbuff.h:2844 tcf_get_base_ptr include/net/pkt_cls.h:529 [inline]
WARNING: CPU: 1 PID: 6077 at include/linux/skbuff.h:2844 em_cmp_match+0x56a/0x7b0 net/sched/em_cmp.c:25
Modules linked in:
CPU: 1 PID: 6077 Comm: syz.1.541 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:skb_transport_header include/linux/skbuff.h:2844 [inline]
RIP: 0010:tcf_get_base_ptr include/net/pkt_cls.h:529 [inline]
RIP: 0010:em_cmp_match+0x56a/0x7b0 net/sched/em_cmp.c:25
Code: e8 ab 36 1b f9 39 dd 0f 94 c0 e9 40 fe ff ff e8 3c 35 1b f9 e9 34 fe ff ff e8 32 35 1b f9 0f 0b e9 97 fc ff ff e8 26 35 1b f9 <0f> 0b e9 79 fb ff ff 89 d9 80 e1 07 fe c1 38 c1 0f 8c e5 fa ff ff
RSP: 0018:ffffc900031e70d8 EFLAGS: 00010287
RAX: ffffffff88673d4a RBX: ffff88802e6e408a RCX: 0000000000080000
RDX: ffffc90005b39000 RSI: 00000000000003d7 RDI: 00000000000003d8
RBP: 000000000000ffff R08: ffff888051979dc0 R09: 0000000000000003
R10: 0000000000000002 R11: 0000000000000002 R12: 1ffff11005cdc811
R13: 1ffff11005a28f06 R14: ffff88802d147780 R15: ffff88802d147836
FS:  00007f3b3889a6c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000002280 CR3: 0000000045f37000 CR4: 00000000003526e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000002800
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 tcf_em_match net/sched/ematch.c:494 [inline]
 __tcf_em_tree_match+0x1cb/0x7a0 net/sched/ematch.c:520
 tcf_em_tree_match include/net/pkt_cls.h:502 [inline]
 basic_classify+0x111/0x2c0 net/sched/cls_basic.c:48
 __tcf_classify net/sched/cls_api.c:1569 [inline]
 tcf_classify+0x331/0xbf0 net/sched/cls_api.c:1635
 htb_classify net/sched/sch_htb.c:242 [inline]
 htb_enqueue+0x38e/0x1240 net/sched/sch_htb.c:622
 dev_qdisc_enqueue+0x4c/0x2b0 net/core/dev.c:3875
 __dev_xmit_skb net/core/dev.c:3964 [inline]
 __dev_queue_xmit+0xfdc/0x37f0 net/core/dev.c:4312
 packet_snd net/packet/af_packet.c:3127 [inline]
 packet_sendmsg+0x3bc3/0x4e60 net/packet/af_packet.c:3158
 sock_sendmsg_nosec net/socket.c:718 [inline]
 __sock_sendmsg net/socket.c:730 [inline]
 ____sys_sendmsg+0x5be/0x970 net/socket.c:2518
 ___sys_sendmsg+0x2a2/0x360 net/socket.c:2572
 __sys_sendmsg net/socket.c:2601 [inline]
 __do_sys_sendmsg net/socket.c:2610 [inline]
 __se_sys_sendmsg+0x1bb/0x2a0 net/socket.c:2608
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f3b3799acb9
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:00007f3b3889a028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f3b37c15fa0 RCX: 00007f3b3799acb9
RDX: 0000000000000004 RSI: 00002000000000c0 RDI: 0000000000000005
RBP: 00007f3b37a08bf7 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f3b37c16038 R14: 00007f3b37c15fa0 R15: 00007fff36993bd8
 </TASK>