Backtrace

WARNING: CPU: 6 PID: 44 at drivers/net/wireless/mediatek/mt7601u/dma.c:306 mt7601u_dma_enqueue_tx+0x20d/0x230 [mt7601u]
Modules linked in: uinput xt_state ip_vs_rr xt_ipvs ip_vs xt_REDIRECT xt_nat veth vxlan ip6_udp_tunnel udp_tunnel xt_policy xt_mark xt_u32 snd_seq_dummy snd_hrtimer xt_conntrack xt_MASQUERADE nf_conntrack_netlink xt_addrtype br_netfilter bridge stp llc ccm 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 overlay nfnetlink ip6table_filter ip6_tables iptable_filter snd_hda_codec_hdmi sunrpc mt7601u snd_hda_codec_realtek snd_hda_codec_generic mac80211 ledtrig_audio intel_rapl_msr intel_rapl_common snd_hda_intel snd_intel_dspcfg soundwire_intel x86_pkg_temp_thermal soundwire_generic_allocation intel_powerclamp coretemp snd_soc_core cfg80211 kvm_intel snd_compress
 snd_pcm_dmaengine soundwire_cadence kvm joydev rfkill libarc4 snd_hda_codec usbtouchscreen irqbypass snd_hda_core rapl ac97_bus snd_hwdep snd_seq snd_seq_device snd_pcm intel_cstate intel_uncore iTCO_wdt pcspkr snd_timer at24 intel_pmc_bxt i2c_i801 iTCO_vendor_support snd i2c_smbus soundcore lpc_ich zram ip_tables i915 i2c_algo_bit drm_kms_helper cec crct10dif_pclmul crc32_pclmul crc32c_intel drm ghash_clmulni_intel r8169 video fuse
CPU: 6 PID: 44 Comm: ksoftirqd/6 Not tainted 5.11.12-300.fc34.x86_64 #1
Hardware name: To be filled by O.E.M. To be filled by O.E.M./H61, BIOS 4.6.5 08/09/2018
RIP: 0010:mt7601u_dma_enqueue_tx+0x20d/0x230 [mt7601u]
Code: e8 e8 99 e5 cb 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 64 fe ff ff <0f> 0b 4c 89 fe 4c 89 e7 41 be e4 ff ff ff e8 70 b8 09 cc eb a5 0f
RSP: 0018:ffffb928c01cba58 EFLAGS: 00010046
RAX: 0000000000000040 RBX: ffff967906fb0868 RCX: 0000000000000000
RDX: 0000000000000001 RSI: ffff96790172e000 RDI: ffff9679170325b4
RBP: ffff967917031f20 R08: 0000000000000202 R09: ffff9679150cd24c
R10: 80720d17e9209863 R11: ffff967917032510 R12: ffff9679170325b4
R13: ffff96787d8660e0 R14: 00000000c0028300 R15: 0000000000000282
FS:  0000000000000000(0000) GS:ffff967a17380000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00002b22098d2000 CR3: 0000000143a10003 CR4: 00000000000606e0
Call Trace:
 mt7601u_tx+0x245/0x330 [mt7601u]
 ieee80211_tx_frags+0x15f/0x220 [mac80211]
 __ieee80211_tx+0x76/0x140 [mac80211]
 ieee80211_tx+0xc7/0x110 [mac80211]
 __ieee80211_subif_start_xmit+0x8a6/0xe80 [mac80211]
 ? __pskb_pull_tail+0x52/0x410
 ? csum_partial+0xd/0x20
 ? __skb_checksum+0x6c/0x2e0
 ieee80211_subif_start_xmit+0x3b/0x2d0 [mac80211]
 ? skb_checksum+0x22/0x30
 ? skb_send_sock_locked+0x1e0/0x1e0
 ? skb_checksum_help+0xa6/0x120
 dev_hard_start_xmit+0xca/0x1e0
 sch_direct_xmit+0xeb/0x2f0
 __qdisc_run+0x149/0x550
 ? switch_mm_irqs_off+0x1d5/0x440
 net_tx_action+0x10d/0x230
 __do_softirq+0xd0/0x28f
 run_ksoftirqd+0x26/0x40
 smpboot_thread_fn+0xc5/0x160
 ? smpboot_register_percpu_thread+0xf0/0xf0
 kthread+0x11b/0x140
 ? kthread_associate_blkcg+0xa0/0xa0
 ret_from_fork+0x22/0x30