Backtrace

WARNING: CPU: 0 PID: 13 at drivers/net/wireless/mediatek/mt7601u/dma.c:306 mt7601u_dma_enqueue_tx+0x225/0x250 [mt7601u]
Modules linked in: uinput ccm xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJECT nf_nat_tftp nf_conntrack_tftp tun bridge stp llc 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_hdmi 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 mei_hdcp snd_hda_core ac97_bus snd_hwdep snd_seq snd_seq_device snd_pcm mt7601u snd_timer mac80211 cfg80211 joydev intel_rapl_msr libarc4 intel_rapl_common x86_pkg_temp_thermal intel_powerclamp
 iTCO_wdt at24 coretemp intel_pmc_bxt iTCO_vendor_support rapl intel_cstate intel_uncore snd pcspkr hp_wmi mei_wdt sparse_keymap mei_me rfkill mei tpm_infineon wmi_bmof lpc_ich i2c_i801 soundcore i2c_smbus zram ip_tables i915 crct10dif_pclmul crc32_pclmul crc32c_intel i2c_algo_bit drm_kms_helper ghash_clmulni_intel cec serio_raw drm e1000e wmi video fuse
CPU: 0 PID: 13 Comm: ksoftirqd/0 Tainted: G        W         5.11.15-200.fc33.x86_64 #1
Hardware name: Hewlett-Packard HP Compaq Elite 8300 CMT/3396, BIOS K01 v02.05 05/07/2012
RIP: 0010:mt7601u_dma_enqueue_tx+0x225/0x250 [mt7601u]
Code: e8 30 61 06 eb 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 88 8b 2a eb eb a5 0f
RSP: 0018:ffffad80c008fa60 EFLAGS: 00010046
RAX: 0000000000000040 RBX: 00000000c0028400 RCX: 0000000000000000
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff97ad022c25b4
RBP: ffff97ad022c1f20 R08: 0000000000000282 R09: ffff97ad8285fc98
R10: 8f20cc732b50f832 R11: ffff97ad022c2510 R12: ffff97ad028ce868
R13: ffff97adf6560f00 R14: ffff97ad06f8f800 R15: ffff97ad022c25b4
FS:  0000000000000000(0000) GS:ffff97ae16a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff71231effc CR3: 0000000149a10002 CR4: 00000000001706f0
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]
 ? enqueue_task_fair+0x8a/0x6b0
 ? psi_task_change+0x84/0xc0
 ? activate_task+0x4a/0x120
 ? sched_clock_cpu+0xc/0xa0
 ? attach_task+0x2f/0x50
 ? check_preempt_curr+0x2f/0x70
 ? csum_partial+0xd/0x20
 ? __skb_checksum+0x6c/0x2f0
 ieee80211_subif_start_xmit+0x38/0x2c0 [mac80211]
 ? netif_skb_features+0x9c/0x2d0
 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