Backtrace

WARNING: CPU: 6 PID: 2080 at kernel/rcu/tree_plugin.h:332 rcu_note_context_switch+0x303/0x320
Modules linked in: rfcomm 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 nf_tables qrtr bnep binfmt_misc vfat fat snd_hda_codec_realtek snd_hda_codec_generic snd_hda_scodec_component rtl8821ae snd_hda_codec_hdmi snd_hda_intel btcoexist snd_intel_dspcfg snd_intel_sdw_acpi rtl_pci snd_hda_codec snd_hda_core snd_hwdep rtlwifi snd_seq intel_rapl_msr btusb intel_rapl_common btrtl mac80211 snd_seq_device mei_pxp x86_pkg_temp_thermal btintel snd_pcm intel_powerclamp btbcm eeepc_wmi iTCO_wdt libarc4 coretemp mei_hdcp intel_pmc_bxt mei_me btmtk snd_timer cfg80211 bluetooth snd asus_wmi pktcdvd iTCO_vendor_support ums_realtek soundcore rapl at24 sparse_keymap platform_profile nova_core mei intel_cstate i2c_i801 rfkill e1000e intel_uncore i2c_smbus pcspkr lpc_ich wmi_bmof loop nfnetlink zram lz4hc_compress lz4_compress
 nouveau uas usb_storage drm_ttm_helper ttm gpu_sched i2c_algo_bit drm_gpuvm drm_exec mxm_wmi drm_display_helper polyval_clmulni polyval_generic ghash_clmulni_intel sha512_ssse3 sha256_ssse3 sha1_ssse3 cec video wmi i2c_dev fuse
CPU: 6 UID: 0 PID: 2080 Comm: systemd-coredum Tainted: G      D             6.15.3-200.fc42.x86_64 #1 PREEMPT(lazy) 
Tainted: [D]=DIE
Hardware name: ASUSTeK COMPUTER INC. K30AD_M31AD_M51AD/K30AD_M31AD_M51AD_M32AD, BIOS 0702 10/23/2014
RIP: 0010:rcu_note_context_switch+0x303/0x320
Code: ba 02 00 00 00 be 01 00 00 00 48 89 df e8 55 f6 fe ff e9 e0 fd ff ff 48 c7 c7 88 1d 04 94 c6 05 57 5a 75 02 01 e8 4d c6 f1 ff <0f> 0b e9 42 fd ff ff 0f 0b e9 4a ff ff ff 0f 0b e9 2c ff ff ff 0f
RSP: 0018:ffffd2ac40263d68 EFLAGS: 00010046
RAX: 0000000000000000 RBX: ffff8c570dffd400 RCX: 0000000000000027
RDX: ffff8c5816d1cb88 RSI: 0000000000000001 RDI: ffff8c5816d1cb80
RBP: ffff8c5816d33100 R08: 0000000000000000 R09: ffffd2ac40263c10
R10: ffffffff94b3bba8 R11: 00000000ffffdfff R12: 0000000000000000
R13: 0000000000000000 R14: ffffffff94b73ee8 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8c5881371000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000000003c CR3: 000000005282e006 CR4: 00000000001706f0
Call Trace:
 <TASK>
 __schedule+0xd0/0x7a0
 ? prepare_to_wait_event+0x58/0x1b0
 schedule+0x27/0x80
 synchronize_rcu_expedited+0x218/0x270
 ? __pfx_autoremove_wake_function+0x10/0x10
 ? __pfx_wait_rcu_exp_gp+0x10/0x10
 namespace_unlock+0x218/0x2e0
 put_mnt_ns+0x72/0x90
 free_nsproxy+0x1b/0x1a0
 do_exit+0x23d/0x480
 make_task_dead+0x8d/0x90
 rewind_stack_and_make_dead+0x16/0x20
RIP: 0033:0x7fe384a7ba06
Code: Unable to access opcode bytes at 0x7fe384a7b9dc.
RSP: 002b:00007ffcbd520b70 EFLAGS: 00000202 ORIG_RAX: 0000000000000113
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fe384a7ba06
RDX: 0000000000000007 RSI: 0000000000000000 RDI: 0000000000000005
RBP: 00007ffcbd520b90 R08: 00000007efdbe000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000009000
R13: 0000000000000007 R14: 00000007efdbe000 R15: 00000007efdbe000
 </TASK>