------------[ cut here ]------------
WARNING: CPU: 0 PID: 3102 at drivers/infiniband/sw/rxe/rxe_net.c:357 rxe_skb_tx_dtor+0x8b/0x2a0 drivers/infiniband/sw/rxe/rxe_net.c:357
Modules linked in:
CPU: 0 UID: 0 PID: 3102 Comm: kworker/u4:10 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Workqueue: rxe_wq do_work
RIP: 0010:rxe_skb_tx_dtor+0x8b/0x2a0 drivers/infiniband/sw/rxe/rxe_net.c:357
Code: 80 3c 20 00 74 08 4c 89 ff e8 61 71 74 f9 4d 8b 37 44 89 f6 83 e6 01 31 ff e8 51 8e 0f f9 41 f6 c6 01 75 0e e8 66 89 0f f9 90 <0f> 0b 90 e9 b4 01 00 00 4c 89 ff e8 b5 1a 03 02 48 89 c7 be 0e 00
RSP: 0018:ffffc900000079e8 EFLAGS: 00010246
RAX: ffffffff88b031ca RBX: ffff8880525fc780 RCX: ffff88803f802440
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffffff88b03140 R12: dffffc0000000000
R13: 1ffff1100a4bf8fb R14: 0000000000025820 R15: ffff888033a20000
FS:  0000000000000000(0000) GS:ffff88808d210000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007faadd378fc8 CR3: 0000000043063000 CR4: 0000000000352ef0
Call Trace:
 <IRQ>
 skb_release_head_state+0x101/0x250 net/core/skbuff.c:1138
 napi_consume_skb+0xd2/0x1e0 net/core/skbuff.c:-1
 e1000_unmap_and_free_tx_resource drivers/net/ethernet/intel/e1000/e1000_main.c:1972 [inline]
 e1000_clean_tx_irq drivers/net/ethernet/intel/e1000/e1000_main.c:3864 [inline]
 e1000_clean+0x49d/0x2b00 drivers/net/ethernet/intel/e1000/e1000_main.c:3805
 __napi_poll+0xc4/0x360 net/core/dev.c:7506
 napi_poll net/core/dev.c:7569 [inline]
 net_rx_action+0x707/0xe30 net/core/dev.c:7696
 handle_softirqs+0x283/0x870 kernel/softirq.c:579
 do_softirq+0xec/0x180 kernel/softirq.c:480
 </IRQ>
 <TASK>
 __local_bh_enable_ip+0x17d/0x1c0 kernel/softirq.c:407
 local_bh_enable include/linux/bottom_half.h:33 [inline]
 rcu_read_unlock_bh include/linux/rcupdate.h:910 [inline]
 __dev_queue_xmit+0x1d79/0x3b50 net/core/dev.c:4752
 neigh_output include/net/neighbour.h:547 [inline]
 ip6_finish_output2+0x11fb/0x16a0 net/ipv6/ip6_output.c:141
 __ip6_finish_output net/ipv6/ip6_output.c:-1 [inline]
 ip6_finish_output+0x234/0x7d0 net/ipv6/ip6_output.c:226
 rxe_send drivers/infiniband/sw/rxe/rxe_net.c:391 [inline]
 rxe_xmit_packet+0x79e/0xa30 drivers/infiniband/sw/rxe/rxe_net.c:450
 rxe_requester+0x1fea/0x3d20 drivers/infiniband/sw/rxe/rxe_req.c:805
 rxe_sender+0x16/0x50 drivers/infiniband/sw/rxe/rxe_req.c:839
 do_task drivers/infiniband/sw/rxe/rxe_task.c:127 [inline]
 do_work+0x1b4/0x6c0 drivers/infiniband/sw/rxe/rxe_task.c:187
 process_one_work kernel/workqueue.c:3236 [inline]
 process_scheduled_works+0xae1/0x17b0 kernel/workqueue.c:3319
 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3400
 kthread+0x70e/0x8a0 kernel/kthread.c:463
 ret_from_fork+0x3f9/0x770 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>