Backtrace

BUG: Bad rss-counter state mm:00000000dbfec381 type:MM_SWAPENTS val:-1
usb 5-4: USB disconnect, device number 2
usb 5-4: new full-speed USB device number 3 using xhci_hcd
usb 5-4: New USB device found, idVendor=051d, idProduct=0002, bcdDevice= 0.90
usb 5-4: New USB device strings: Mfr=1, Product=2, SerialNumber=3
usb 5-4: Product: Back-UPS NS 650M1 FW:929.a8 .D USB FW:a8 
usb 5-4: Manufacturer: American Power Conversion
usb 5-4: SerialNumber: 4B1808P40510  
hid-generic 0003:051D:0002.0006: hiddev96,hidraw0: USB HID v1.00 Device [American Power Conversion Back-UPS NS 650M1 FW:929.a8 .D USB FW:a8 ] on usb-0000:08:00.3-4/input0
dnf[286816]: segfault at 7f4e46befc88 ip 00007f4e669ba9a5 sp 00007ffce5d048b0 error 4 in libpython3.8.so.1.0[7f4e66915000+195000]
Code: fd 0f 85 7e 00 00 00 31 ed 4c 8d 3d 65 ff ff ff eb 10 0f 1f 00 48 83 c5 01 48 83 c3 18 4c 39 f5 74 4b 4c 8b 23 4d 85 e4 74 eb <4d> 8b 44 24 08 41 f6 80 a9 00 00 00 40 74 dc 4d 8b a8 48 01 00 00
general protection fault, probably for non-canonical address 0xfed4ef90fed4ef90: 0000 [#1] SMP NOPTI
CPU: 4 PID: 321754 Comm: ThreadPoolForeg Tainted: G    B             5.11.22-100.fc32.x86_64 #1
Hardware name: System manufacturer System Product Name/PRIME B350M-A, BIOS 4011 04/19/2018
RIP: 0010:kernfs_dir_pos+0x97/0xd0
Code: 04 85 c0 78 06 48 39 6b 30 74 2f 48 8d 7b 18 e8 7f f8 28 00 48 89 c3 48 85 c0 75 dc eb cf 48 8b 43 10 48 85 c0 74 d1 48 89 c3 <8b> 43 20 4c 39 e0 7f ec 7d c4 48 8b 43 08 eb e8 48 89 d8 5b 5d 41
RSP: 0018:ffffa1b4c2fcfe38 EFLAGS: 00010286
RAX: fed4ef90fed4ef90 RBX: fed4ef90fed4ef90 RCX: 0000000000000000
RDX: 0000000000000002 RSI: ffff8ac1c1489a80 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000018 R09: 0000000000000000
R10: ffffffffad348bb0 R11: ffff8ac1fa88ec80 R12: 0000000000000002
R13: ffff8ac1c1489a80 R14: 0000000000000000 R15: ffff8ac1c5fee480
FS:  00007f44dda7b700(0000) GS:ffff8ac4cfd00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00002ebd99ff1000 CR3: 000000017c1be000 CR4: 00000000003506e0
Call Trace:
 kernfs_fop_readdir+0x7b/0x250
 ? fillonedir+0x140/0x140
 iterate_dir+0x164/0x1b0
 __x64_sys_getdents64+0x68/0x100
 ? fillonedir+0x140/0x140
 do_syscall_64+0x33/0x40
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7f44fc7fd36b
Code: 0f 1e fa 48 8b 47 20 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa 48 81 fa ff ff ff 7f b8 ff ff ff 7f 48 0f 47 d0 b8 d9 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 05 c3 0f 1f 40 00 48 8b 15 f9 9a 0f 00 f7 d8
RSP: 002b:00007f44dda79d38 EFLAGS: 00000293 ORIG_RAX: 00000000000000d9
RAX: ffffffffffffffda RBX: 00002ebd99ff1000 RCX: 00007f44fc7fd36b
RDX: 0000000000008000 RSI: 00002ebd99ff1030 RDI: 0000000000000096
RBP: 00002ebd99ff1030 R08: 0000000000000030 R09: 00007f44dda79d70
R10: 0000000000000000 R11: 0000000000000293 R12: fffffffffffffe40
R13: 00002ebd99ff1004 R14: 0000000000000000 R15: 00007f44dda79d70
Modules linked in: nfsv3 nfs_acl rpcsec_gss_krb5 auth_rpcgss nfsv4 dns_resolver nfs lockd grace nfs_ssc fscache xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJECT nf_reject_ipv4 ip6table_mangle ip6table_nat iptable_mangle iptable_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter tun bridge stp llc sunrpc snd_hda_codec_realtek snd_hda_codec_generic ledtrig_audio snd_hda_codec_hdmi snd_hda_intel snd_intel_dspcfg soundwire_intel soundwire_generic_allocation snd_soc_core intel_rapl_msr snd_compress intel_rapl_common snd_pcm_dmaengine soundwire_cadence edac_mce_amd snd_hda_codec snd_hda_core ac97_bus snd_hwdep snd_seq snd_seq_device kvm eeepc_wmi snd_pcm asus_wmi irqbypass sparse_keymap joydev rapl snd_timer rfkill wmi_bmof snd sp5100_tco pcspkr k10temp i2c_piix4 soundcore gpio_amdpt gpio_generic acpi_cpufreq binfmt_misc ip_tables amdgpu hid_logitech_hidpp drm_ttm_helper ttm iommu_v2 crct10dif_pclmul gpu_sched
 crc32_pclmul i2c_algo_bit crc32c_intel drm_kms_helper cec drm ghash_clmulni_intel ccp r8169 hid_logitech_dj wmi video fuse