Backtrace

WARNING: CPU: 2 PID: 4199 at kernel/rcu/tree_plugin.h:318 rcu_note_context_switch+0x4ee/0x690
Modules linked in: tls uinput xt_conntrack xt_MASQUERADE nf_conntrack_netlink xt_addrtype nft_compat br_netfilter bridge stp llc rfcomm snd_seq_dummy snd_hrtimer 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 nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip_set overlay nf_tables nfnetlink qrtr bnep sunrpc vfat fat rtl8192ce rtl_pci rtl8192c_common rtlwifi mac80211 snd_hda_codec_realtek snd_hda_codec_generic snd_hda_codec_hdmi snd_hda_intel snd_intel_dspcfg snd_intel_sdw_acpi snd_hda_codec btusb btrtl snd_usb_audio libarc4 dell_wmi btbcm snd_usbmidi_lib snd_hda_core btintel dell_smbios snd_rawmidi mc btmtk cfg80211 snd_hwdep snd_seq dell_wmi_descriptor ledtrig_audio bluetooth intel_rapl_msr snd_seq_device intel_rapl_common sparse_keymap snd_pcm wmi x86_pkg_temp_thermal intel_powerclamp iTCO_wdt rfkill coretemp snd_timer intel_pmc_bxt
 kvm_intel snd iTCO_vendor_support soundcore at24 kvm dcdbas mei_pxp irqbypass mei_hdcp rapl intel_cstate intel_uncore mei_me mei i2c_i801 lpc_ich i2c_smbus pcspkr zram hid_jabra i915 crct10dif_pclmul crc32_pclmul crc32c_intel polyval_clmulni polyval_generic ghash_clmulni_intel drm_buddy drm_display_helper r8169 cec ttm video ip6_tables ip_tables fuse
CPU: 2 PID: 4199 Comm: db2fm Tainted: G      D            6.0.5-200.fc36.x86_64 #1
Hardware name: Dell Inc. OptiPlex 3020/0WMJ54, BIOS A06 11/17/2014
RIP: 0010:rcu_note_context_switch+0x4ee/0x690
Code: 49 89 3f 49 83 bc 24 98 00 00 00 00 0f 85 66 fe ff ff e9 58 fe ff ff 48 c7 c7 48 62 75 91 c6 05 05 1f 14 02 01 e8 29 a5 bc 00 <0f> 0b e9 70 fb ff ff a9 ff ff ff 7f 0f 84 2c fc ff ff 65 48 8b 3c
RSP: 0000:ffffa26bc12fbc90 EFLAGS: 00010092
RAX: 000000000000003f RBX: ffff93f90fb32800 RCX: 0000000000000000
RDX: 0000000000000002 RSI: ffffffff917b020a RDI: 00000000ffffffff
RBP: 0000000000000000 R08: 0000000000000000 R09: ffffa26bc12fbb30
R10: 0000000000000003 R11: ffffffff921461a8 R12: ffff93f634abd180
R13: ffff93f634abd180 R14: ffffa26bc12fbdc0 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff93f90fb00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f424f1b5000 CR3: 00000002877b4004 CR4: 00000000001706e0
Call Trace:
 <TASK>
 __schedule+0x9a/0x12b0
 ? memcg_check_events+0x40/0x220
 schedule+0x5d/0xe0
 rwsem_down_write_slowpath+0x339/0x730
 exit_mmap+0x53/0x1b0
 __mmput+0x49/0x130
 do_exit+0x2c3/0xaf0
 make_task_dead+0x51/0x60
 rewind_stack_and_make_dead+0x17/0x20
RIP: 0033:0x7f425043632d
Code: Unable to access opcode bytes at RIP 0x7f4250436303.
RSP: 002b:00007ffc31ba5d30 EFLAGS: 00010202
RAX: 00007f424daf0d10 RBX: 00007f424d2fa958 RCX: 00007f424f1b5000
RDX: 00007f424ce00000 RSI: 00007f424ce00000 RDI: 0000000000004ec0
RBP: 00007ffc31ba5e40 R08: 00007f424d2ffff8 R09: 00007f424d304eb8
R10: 0000000000000000 R11: 00007f424ce00000 R12: 00007ffc31ba5dd0
R13: 00007ffc31ba5dd0 R14: 00007f424d299008 R15: 00007f424fce8320
 </TASK>