Backtrace

WARNING: CPU: 2 PID: 24 at drivers/net/wireless/mediatek/mt7601u/dma.c:306 mt7601u_dma_enqueue_tx+0x225/0x250 [mt7601u]
Modules linked in: cdc_acm uinput ccm mt7601u mac80211 cfg80211 libarc4 snd_seq_dummy snd_hrtimer xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJECT nf_nat_tftp nf_conntrack_tftp bridge stp llc rfkill nft_objref nf_conntrack_netbios_ns nf_conntrack_broadcast nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat ip6table_nat ip6table_mangle ip6table_raw ip6table_security iptable_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 iptable_mangle iptable_raw iptable_security ip_set nf_tables nfnetlink ip6table_filter ip6_tables iptable_filter sunrpc vfat fat snd_hda_codec_realtek snd_hda_codec_generic ledtrig_audio snd_hda_intel snd_intel_dspcfg soundwire_intel soundwire_generic_allocation snd_soc_core snd_compress snd_pcm_dmaengine soundwire_cadence snd_hda_codec intel_rapl_msr intel_rapl_common snd_hda_core ac97_bus snd_hwdep x86_pkg_temp_thermal snd_seq at24 intel_powerclamp mei_hdcp gpio_ich
 snd_seq_device snd_pcm coretemp rapl intel_cstate intel_uncore iTCO_wdt intel_pmc_bxt iTCO_vendor_support snd_timer snd soundcore mei_me lpc_ich i2c_i801 mei i2c_smbus pcspkr zram ip_tables i915 video i2c_algo_bit drm_kms_helper crct10dif_pclmul crc32_pclmul crc32c_intel cec drm ghash_clmulni_intel r8169 fuse
CPU: 2 PID: 24 Comm: ksoftirqd/2 Tainted: G        W         5.11.16-200.fc33.x86_64 #1
Hardware name: Hewlett-Packard Rfrb s5-1015t/2AC2, BIOS 7.11 07/04/2011
RIP: 0010:mt7601u_dma_enqueue_tx+0x225/0x250 [mt7601u]
Code: e8 e0 81 7e e5 85 c0 75 38 41 8b 55 74 41 8b 85 b8 00 00 00 85 d2 75 27 01 d8 41 01 5d 70 41 89 85 b8 00 00 00 e9 4f fe ff ff <0f> 0b 4c 89 c6 4c 89 ff 41 be e4 ff ff ff e8 a8 ab a2 e5 eb a5 0f
RSP: 0018:ffffb6db800f3a60 EFLAGS: 00010046
RAX: 0000000000000040 RBX: 00000000c0028500 RCX: 0000000000000000
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff90c56c9525b4
RBP: ffff90c56c951f20 R08: 0000000000000282 R09: ffff90c545220d40
R10: f6f01520cc14d71e R11: ffff90c56c952510 R12: ffff90c549dd2868
R13: ffff90c55720ce00 R14: ffff90c541b32800 R15: ffff90c56c9525b4
FS:  0000000000000000(0000) GS:ffff90c57b500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1e45e11ff0 CR3: 0000000052a10005 CR4: 00000000000606e0
Call Trace:
 mt7601u_tx+0x249/0x330 [mt7601u]
 ieee80211_tx_frags+0x160/0x220 [mac80211]
 __ieee80211_tx+0x7a/0x130 [mac80211]
 ieee80211_tx+0xc9/0x110 [mac80211]
 __ieee80211_subif_start_xmit+0x818/0xdc0 [mac80211]
 ? find_busiest_group+0x30/0x310
 ? sugov_update_single_freq+0x5c/0x1a0
 ? sugov_get_util+0xf0/0xf0
 ? csum_partial+0xd/0x20
 ? __skb_checksum+0x6c/0x2f0
 ieee80211_subif_start_xmit+0x38/0x2c0 [mac80211]
 ? skb_checksum+0x22/0x30
 ? skb_send_sock_locked+0x1e0/0x1e0
 ? skb_checksum_help+0xa6/0x120
 dev_hard_start_xmit+0xc7/0x1e0
 sch_direct_xmit+0xeb/0x2f0
 __qdisc_run+0x149/0x550
 net_tx_action+0x10d/0x230
 __do_softirq+0xcf/0x28f
 run_ksoftirqd+0x26/0x40
 smpboot_thread_fn+0xc5/0x160
 ? smpboot_register_percpu_thread+0xf0/0xf0
 kthread+0x11b/0x140
 ? __kthread_bind_mask+0x60/0x60
 ret_from_fork+0x22/0x30