Backtrace

WARNING: CPU: 22 PID: 5084 at include/linux/thread_info.h:199 ethtool_rxnfc_copy_to_user+0x2b/0xb0
Modules linked in: rfkill sunrpc vfat fat intel_rapl_msr iTCO_wdt intel_pmc_bxt iTCO_vendor_support intel_rapl_common sb_edac x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm irqbypass rapl intel_cstate intel_uncore pcspkr mxm_wmi i40iw lpc_ich ib_uverbs ipmi_ssif ib_core mei_me mei ipmi_si ipmi_devintf ipmi_msghandler acpi_power_meter binfmt_misc ip_tables xfs mgag200 drm_kms_helper cec drm crct10dif_pclmul crc32_pclmul crc32c_intel i40e igb ghash_clmulni_intel megaraid_sas dca i2c_algo_bit wmi zfs(POE) zunicode(POE) zzstd(OE) zlua(OE) zavl(POE) icp(POE) zcommon(POE) znvpair(POE) spl(OE) fuse br_netfilter bridge stp llc overlay
CPU: 22 PID: 5084 Comm: smbd Tainted: P S         OE     5.13.19-200.fc34.x86_64 #1
Hardware name:  /086D43, BIOS 2.1.7 06/16/2016
RIP: 0010:ethtool_rxnfc_copy_to_user+0x2b/0xb0
Code: 1f 44 00 00 41 55 65 48 8b 04 25 c0 7b 01 00 41 54 55 53 f6 40 10 02 75 23 be 08 00 00 00 48 c7 c7 b8 66 5b a3 e8 20 35 15 00 <0f> 0b 41 bc f2 ff ff ff 5b 44 89 e0 5d 41 5c 41 5d c3 48 89 fb 49
RSP: 0018:ffffab180ce2fc10 EFLAGS: 00010282
RAX: 0000000000000023 RBX: ffffffffc0b3dee0 RCX: 0000000000000027
RDX: ffff9f067fcd8a08 RSI: 0000000000000001 RDI: ffff9f067fcd8a00
RBP: ffff9ef759398000 R08: 0000000000000000 R09: ffffab180ce2fa48
R10: ffffab180ce2fa40 R11: ffffffffa3d468c8 R12: 0000000000000000
R13: 00007ffdcb40d400 R14: 0000000000000000 R15: ffffab180ce2fc40
FS:  00007f2bc6ad2b40(0000) GS:ffff9f067fcc0000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000562558858398 CR3: 000000038fe58001 CR4: 00000000001706e0
Call Trace:
 ethtool_get_rxnfc+0xc8/0x1b0
 dev_ethtool+0xb20/0x2970
 ? __mod_memcg_lruvec_state+0x22/0xe0
 ? memcg_slab_post_alloc_hook+0x1a4/0x2d0
 ? netdev_name_node_lookup_rcu+0x67/0x80
 dev_ioctl+0x18d/0x490
 sock_do_ioctl+0xa6/0x140
 sock_ioctl+0x246/0x330
 __x64_sys_ioctl+0x7f/0xb0
 do_syscall_64+0x3d/0x80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f2bcafe00ab
Code: ff ff ff 85 c0 79 9b 49 c7 c4 ff ff ff ff 5b 5d 4c 89 e0 41 5c c3 66 0f 1f 84 00 00 00 00 00 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 9d bd 0c 00 f7 d8 64 89 01 48
RSP: 002b:00007ffdcb40d398 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 000000003b9aca00 RCX: 00007f2bcafe00ab
RDX: 00007ffdcb40d3d0 RSI: 0000000000008946 RDI: 0000000000000004
RBP: 0000000000000004 R08: 000000000000000b R09: 00007ffdcb40d3d0
R10: 0000562558858854 R11: 0000000000000246 R12: 0000000000000001
R13: 0000562558856ae0 R14: 00005625588587f0 R15: 0000562558858894