Backtrace

BUG: unable to handle page fault for address: 0000008c00000000
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 0 P4D 0 
Oops: 0000 [#1] PREEMPT SMP NOPTI
CPU: 0 PID: 53959 Comm: zram-generator Tainted: G        W          6.2.12-200.fc37.x86_64 #1
Hardware name: Gigabyte Technology Co., Ltd. B450M DS3H/B450M DS3H-CF, BIOS F41 07/22/2019
RIP: 0010:zs_free+0x3a/0x100
Code: 53 48 83 ec 08 48 89 34 24 48 3d ff ef ff ff 0f 87 92 00 00 00 4c 8d a7 a0 08 00 00 48 89 f3 48 89 fd 4c 89 e7 e8 66 13 b5 00 <48> 8b 33 48 89 f0 48 c1 e8 18 48 c1 e0 06 48 03 05 91 8c 56 01 4c
RSP: 0018:ffffbd458ae0fca0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000008c00000000 RCX: 0000000000000000
RDX: 0000000000000001 RSI: 0000008c00000000 RDI: 0000000000000000
RBP: ffff9f4e83c99000 R08: ffff9f4e80f8bec0 R09: 0000000002000000
R10: 0000000000000002 R11: 0000000000000009 R12: ffff9f4e83c998a0
R13: ffff9f4e8c575138 R14: ffffbd458ae0fdb8 R15: ffff9f4e94f3fc20
FS:  00007f71394de780(0000) GS:ffff9f5190a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000008c00000000 CR3: 0000000123906000 CR4: 00000000003506f0
Call Trace:
 <TASK>
 zram_free_page+0xa7/0x110 [zram]
 zram_reset_device+0xc8/0x180 [zram]
 reset_store+0xa4/0x100 [zram]
 kernfs_fop_write_iter+0x11e/0x200
 vfs_write+0x244/0x400
 ksys_write+0x6b/0xf0
 do_syscall_64+0x5b/0x80
 ? syscall_exit_to_user_mode+0x17/0x40
 ? do_syscall_64+0x67/0x80
 ? preempt_count_add+0x47/0xa0
 ? up_read+0x37/0x70
 ? do_user_addr_fault+0x1ef/0x710
 ? exc_page_fault+0x70/0x170
 entry_SYSCALL_64_after_hwframe+0x72/0xdc
RIP: 0033:0x7f71396dc284
Code: 15 b1 7b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 80 3d 7d 03 0e 00 00 74 13 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 54 c3 0f 1f 00 48 83 ec 28 48 89 54 24 18 48
RSP: 002b:00007ffe5ced88c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f71396dc284
RDX: 0000000000000001 RSI: 0000558862159774 RDI: 0000000000000004
RBP: 0000000000000020 R08: 00005588623ce400 R09: fefefefefefefeff
R10: 00000000000001b6 R11: 0000000000000202 R12: 0000558862159774
R13: 7fffffffffffffff R14: 0000000000000004 R15: 00007f71396dc270
 </TASK>
Modules linked in: tls uinput snd_seq_dummy snd_hrtimer 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 nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip_set rfkill nf_tables nfnetlink qrtr sunrpc binfmt_misc squashfs snd_hda_codec_realtek snd_hda_codec_generic intel_rapl_msr ledtrig_audio intel_rapl_common snd_hda_codec_hdmi edac_mce_amd snd_hda_intel kvm_amd snd_intel_dspcfg snd_intel_sdw_acpi snd_hda_codec kvm snd_hda_core snd_hwdep snd_seq snd_seq_device irqbypass rapl snd_pcm gigabyte_wmi snd_timer pcspkr snd joydev wmi_bmof soundcore k10temp i2c_piix4 gpio_amdpt gpio_generic acpi_cpufreq loop zram amdgpu drm_ttm_helper crct10dif_pclmul ttm crc32_pclmul crc32c_intel polyval_clmulni polyval_generic iommu_v2 drm_buddy gpu_sched ghash_clmulni_intel drm_display_helper sha512_ssse3 ccp r8169 cec sp5100_tco video wmi ip6_tables ip_tables fuse
CR2: 0000008c00000000