Backtrace

general protection fault, probably for non-canonical address 0xad8bdded5c86f77c: 0000 [#2] SMP PTI
CPU: 0 PID: 2591 Comm: PK-Backend Tainted: G      D           5.11.12-300.fc34.x86_64 #1
Hardware name: Dell Inc. Latitude E5250/06FDV4, BIOS A05 01/05/2015
RIP: 0010:refill_obj_stock+0x94/0xa0
Code: 0f 1f 44 00 00 5b 5d 41 5c 41 5d c3 8b 45 18 44 01 e8 89 45 18 3d 00 10 00 00 76 df 48 89 ef e8 c2 fe ff ff eb d5 48 8b 43 08 <f0> 48 83 00 01 eb af 0f 1f 44 00 00 0f 1f 44 00 00 55 53 9c 58 0f
RSP: 0018:ffffb8ec00f13a98 EFLAGS: 00010006
RAX: ad8bdded5c86f77c RBX: ffff948c21ed0e40 RCX: 0000000000000006
RDX: 0000000000000318 RSI: 0000000000000070 RDI: ffff948f0f4279a0
RBP: ffff948f0f4279a0 R08: ffffffffa7a07908 R09: 0000000000000000
R10: ffff948ca8dca888 R11: 0000000000000001 R12: 0000000000000212
R13: 0000000000000070 R14: ffff948c001e1700 R15: ffffdb7a86a37280
FS:  00007efd39c54640(0000) GS:ffff948f0f400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6e0003f050 CR3: 00000001308c6004 CR4: 00000000003706f0
Call Trace:
 kmem_cache_free+0x2ac/0x430
 ? free_buffer_head+0x21/0x50
 free_buffer_head+0x21/0x50
 try_to_free_buffers+0x9a/0xe0
 jbd2_journal_try_to_free_buffers+0x10c/0x160
 truncate_cleanup_page+0xbb/0xe0
 truncate_inode_pages_range+0x1a7/0x710
 ? process_slab+0x1bf/0x3f0
 truncate_pagecache+0x44/0x60
 ext4_setattr+0x50d/0x900
 notify_change+0x35e/0x500
 ? do_truncate+0x66/0xa0
 do_truncate+0x66/0xa0
 vfs_truncate+0xf4/0x130
 do_sys_truncate.part.0+0x6a/0x80
 do_syscall_64+0x33/0x40
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7efd4920388b
Code: 48 8b 54 24 28 64 48 2b 14 25 28 00 00 00 75 05 48 83 c4 38 c3 e8 05 67 01 00 0f 1f 44 00 00 f3 0f 1e fa b8 4c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 05 c3 0f 1f 40 00 48 8b 15 b1 95 0c 00 f7 d8
RSP: 002b:00007efd39c53688 EFLAGS: 00000202 ORIG_RAX: 000000000000004c
RAX: ffffffffffffffda RBX: 00007efd14156210 RCX: 00007efd4920388b
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 00007efd1589c610
RBP: 00007efd39c537f0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000010 R11: 0000000000000202 R12: 0000000000000000
R13: 0000000000000000 R14: 00007efd39c53704 R15: 00007efd3905b2ae
Modules linked in: uas usb_storage uinput snd_seq_dummy snd_hrtimer rfcomm 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 nfnetlink ip6table_filter ip6_tables iptable_filter cmac bnep sunrpc snd_hda_codec_realtek snd_hda_codec_generic snd_hda_codec_hdmi snd_hda_intel snd_intel_dspcfg soundwire_intel soundwire_generic_allocation snd_soc_core iwlmvm mac80211 uvcvideo snd_compress snd_pcm_dmaengine videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 soundwire_cadence videobuf2_common libarc4 iTCO_wdt x86_pkg_temp_thermal videodev dell_laptop snd_hda_codec intel_powerclamp intel_pmc_bxt coretemp mc snd_hda_core ac97_bus snd_hwdep kvm_intel iTCO_vendor_support
 snd_seq btusb ledtrig_audio mei_hdcp kvm btrtl btbcm ppdev btintel iwlwifi snd_seq_device intel_rapl_msr bluetooth snd_pcm irqbypass dell_smm_hwmon cfg80211 snd_timer rapl intel_cstate snd intel_uncore ecdh_generic ecc soundcore dell_wmi pcspkr joydev sparse_keymap dell_smbios dcdbas wmi_bmof dell_wmi_descriptor i2c_i801 mei_me processor_thermal_device mei lpc_ich processor_thermal_rfim i2c_smbus processor_thermal_mbox parport_pc processor_thermal_rapl parport intel_rapl_common int3403_thermal intel_soc_dts_iosf dell_smo8800 dell_rbtn int3400_thermal int3402_thermal int340x_thermal_zone acpi_thermal_rel acpi_pad rfkill zram ip_tables i915 i2c_algo_bit drm_kms_helper crct10dif_pclmul cec crc32_pclmul crc32c_intel drm sdhci_pci cqhci sdhci ghash_clmulni_intel mmc_core e1000e serio_raw wmi video fuse