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[moshengrenzenme]

kernel: [18504.023526] kernel tried to execute NX-protected page - exploit attempt? (uid: 0)
kernel: [18504.023531] BUG: unable to handle page fault for address: ffff88d1884cb1a8
kernel: [18504.023534] #PF: supervisor instruction fetch in kernel mode
kernel: [18504.023536] #PF: error_code(0x0011) - permissions violation
kernel: [18504.023538] PGD 407401067 P4D 407401067 PUD 407405067 PMD 402f36063 PTE 80000004084cb163
kernel: [18504.023545] Oops: 0011 [#1] SMP NOPTI
kernel: [18504.023550] CPU: 0 PID: 120109 Comm: Xorg Tainted: P OE 5.4.0-39-generic #43-Ubuntu
kernel: [18504.023552] Hardware name: System manufacturer System Product Name/TUF B450M-PLUS GAMING, BIOS 0409 08/24/2018
kernel: [18504.023558] RIP: 0010:0xffff88d1884cb1a8
kernel: [18504.023562] Code: 00 00 88 b1 4c 88 d1 88 ff ff 26 2e 08 00 01 00 00 00 98 b1 4c 88 d1 88 ff ff 1d 25 08 00 01 00 00 00 a8 b1 4c 88 d1 88 ff ff <15> 1c 10 01 02 00 00 00 b8 b1 4c 88 d1 88 ff ff 10 14 08 01 00 00
kernel: [18504.023564] RSP: 0018:ffffb74f014e39a0 EFLAGS: 00010286
kernel: [18504.023567] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff88cfc5efa92c
kernel: [18504.023569] RDX: 0000000000000020 RSI: 0000000000070000 RDI: ffff88d130c3c008
kernel: [18504.023571] RBP: ffff88cfc5efa950 R08: 0000000000000020 R09: ffff88cfc5efa928
kernel: [18504.023573] R10: ffffffffc0f78af0 R11: ffff88d1884cb1a8 R12: 0000000000000000
kernel: [18504.023575] R13: 0000000000000001 R14: 0000000000000000 R15: ffff88d130c3c008
kernel: [18504.023578] FS: 00007fb737677a80(0000) GS:ffff88d18ec00000(0000) knlGS:0000000000000000
kernel: [18504.023580] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
kernel: [18504.023582] CR2: ffff88d1884cb1a8 CR3: 00000003d6bb8000 CR4: 00000000003406f0
kernel: [18504.023584] Call Trace:
kernel: [18504.023975] ? _nv006065rm+0x178/0x330 [nvidia]
kernel: [18504.024439] ? _nv024444rm+0x2dc/0x450 [nvidia]
kernel: [18504.024900] ? _nv024434rm+0x138/0x460 [nvidia]
kernel: [18504.025359] ? _nv024444rm+0x12d/0x450 [nvidia]
kernel: [18504.025823] ? _nv024434rm+0x138/0x460 [nvidia]
kernel: [18504.026283] ? _nv024444rm+0x12d/0x450 [nvidia]
kernel: [18504.026743] ? _nv024434rm+0x138/0x460 [nvidia]
kernel: [18504.027202] ? _nv024444rm+0x12d/0x450 [nvidia]
kernel: [18504.027662] ? _nv024434rm+0x138/0x460 [nvidia]
kernel: [18504.028121] ? _nv024455rm+0x40/0xc0 [nvidia]
kernel: [18504.028425] ? _nv021290rm+0x10d/0x180 [nvidia]
kernel: [18504.028728] ? _nv021263rm+0x1f3/0x6f0 [nvidia]
kernel: [18504.029058] ? _nv013826rm+0x6cd/0x6f0 [nvidia]
kernel: [18504.029386] ? _nv013825rm+0x93/0x190 [nvidia]
kernel: [18504.029735] ? _nv013825rm+0x2c/0x190 [nvidia]
kernel: [18504.030058] ? _nv001089rm+0xaa9/0xe30 [nvidia]
kernel: [18504.030377] ? _nv006359rm+0x11d/0x160 [nvidia]
kernel: [18504.030697] ? _nv006359rm+0xed/0x160 [nvidia]
kernel: [18504.030980] ? _nv001017rm+0x156/0x930 [nvidia]
kernel: [18504.031258] ? rm_ioctl+0x54/0xb0 [nvidia]
kernel: [18504.031264] ? __check_object_size+0x101/0x150
kernel: [18504.031471] ? nvidia_ioctl+0x581/0x7a0 [nvidia]
kernel: [18504.031677] ? nvidia_frontend_unlocked_ioctl+0x3b/0x50 [nvidia]
kernel: [18504.031681] ? do_vfs_ioctl+0x407/0x670
kernel: [18504.031685] ? do_setitimer+0xde/0x230
kernel: [18504.031688] ? ksys_ioctl+0x67/0x90
kernel: [18504.031692] ? __x64_sys_ioctl+0x1a/0x20
kernel: [18504.031696] ? do_syscall_64+0x57/0x190
kernel: [18504.031701] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9
kernel: [18504.031704] Modules linked in: iptable_mangle xt_CHECKSUM iptable_nat xt_comment xt_MASQUERADE nf_nat bridge stp llc ashmem_xdroid(OE) binder_xdroid(OE) aufs overlay vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) binfmt_misc nls_iso8859_1 snd_hda_codec_hdmi nvidia_uvm(POE) nvidia_drm(POE) nvidia_modeset(POE) nvidia(POE) edac_mce_amd snd_hda_codec_realtek snd_hda_codec_generic ledtrig_audio 8821cu(OE) kvm_amd snd_hda_intel snd_intel_dspcfg kvm snd_hda_codec snd_hda_core cfg80211 drm_kms_helper snd_hwdep ipmi_devintf snd_pcm snd_seq_midi snd_seq_midi_event joydev snd_rawmidi snd_seq ipmi_msghandler input_leds snd_seq_device crct10dif_pclmul fb_sys_fops snd_timer ghash_clmulni_intel syscopyarea snd sysfillrect sysimgblt soundcore aesni_intel ccp k10temp eeepc_wmi crypto_simd asus_wmi cryptd sparse_keymap glue_helper video wmi_bmof mac_hid nf_log_ipv6 ip6t_REJECT nf_reject_ipv6 xt_hl ip6t_rt nf_log_ipv4 nf_log_common ipt_REJECT nf_reject_ipv4 xt_LOG xt_multiport xt_limit xt_addrtype xt_tcpudp
kernel: [18504.031751] xt_conntrack nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 libcrc32c sch_fq_codel ip6table_filter ip6_tables iptable_filter bpfilter parport_pc ppdev lp parport drm ip_tables x_tables autofs4 hid_generic usbhid hid crc32_pclmul i2c_piix4 r8169 ahci realtek libahci wmi gpio_amdpt gpio_generic
kernel: [18504.031772] CR2: ffff88d1884cb1a8
kernel: [18504.031775] ---[ end trace bdf6ec4ad5872874 ]---
kernel: [18504.031779] RIP: 0010:0xffff88d1884cb1a8
kernel: [18504.031783] Code: 00 00 88 b1 4c 88 d1 88 ff ff 26 2e 08 00 01 00 00 00 98 b1 4c 88 d1 88 ff ff 1d 25 08 00 01 00 00 00 a8 b1 4c 88 d1 88 ff ff <15> 1c 10 01 02 00 00 00 b8 b1 4c 88 d1 88 ff ff 10 14 08 01 00 00
kernel: [18504.031785] RSP: 0018:ffffb74f014e39a0 EFLAGS: 00010286
kernel: [18504.031787] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff88cfc5efa92c
kernel: [18504.031789] RDX: 0000000000000020 RSI: 0000000000070000 RDI: ffff88d130c3c008
kernel: [18504.031791] RBP: ffff88cfc5efa950 R08: 0000000000000020 R09: ffff88cfc5efa928
kernel: [18504.031793] R10: ffffffffc0f78af0 R11: ffff88d1884cb1a8 R12: 0000000000000000
kernel: [18504.031794] R13: 0000000000000001 R14: 0000000000000000 R15: ffff88d130c3c008
kernel: [18504.031797] FS: 00007fb737677a80(0000) GS:ffff88d18ec00000(0000) knlGS:0000000000000000
kernel: [18504.031799] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
kernel: [18504.031801] CR2: ffff88d1884cb1a8 CR3: 00000003d6bb8000 CR4: 00000000003406f0
kernel: [18541.189980] [UFW BLOCK] IN=wlx488ad2cf5f30 OUT= MAC=01:00:5e:00:00:fb:c0:d0:12:d9:e7:67:08:00 SRC=172.18.0.94 DST=224.0.0.251 LEN=32 TOS=0x00 PREC=0x00 TTL=1 ID=51168 PROTO=2
CRON[530504]: (root) CMD ( /bin/bash /usr/share/kylin-sso-client/run.sh)
kernel: [18570.067627] [UFW BLOCK] IN=wlx488ad2cf5f30 OUT= MAC=01:00:5e:00:00:fb:48:a1:95:9e:67:ba:08:00 SRC=172.18.1.56 DST=224.0.0.251 LEN=32 TOS=0x00 PREC=0x00 TTL=1 ID=25806 PROTO=2
systemd[1]: Started Session 185 of user feng.
kernel: [18594.943491] BUG: unable to handle page fault for address: ffffb74f014e3d80
kernel: [18594.943497] #PF: supervisor read access in kernel mode
kernel: [18594.943499] #PF: error_code(0x0000) - not-present page
kernel: [18594.943501] PGD 40d158067 P4D 40d158067 PUD 40d159067 PMD 4019d1067 PTE 0
kernel: [18594.943508] Oops: 0000 [#2] SMP NOPTI
kernel: [18594.943513] CPU: 7 PID: 180341 Comm: code Tainted: P D OE 5.4.0-39-generic #43-Ubuntu
kernel: [18594.943515] Hardware name: System manufacturer System Product Name/TUF B450M-PLUS GAMING, BIOS 0409 08/24/2018
kernel: [18594.943865] RIP: 0010:_nv006293rm+0x2c/0x330 [nvidia]
kernel: [18594.943870] Code: 48 85 d2 74 07 48 63 47 08 48 01 d0 48 8b 17 48 85 d2 75 16 e9 9d 02 00 00 0f 1f 44 00 00 48 8b 4a 10 48 85 c9 74 17 48 89 ca <48> 39 32 77 ef 0f 83 29 02 00 00 48 8b 4a 18 48 85 c9 75 e9 48 89
kernel: [18594.943872] RSP: 0018:ffffb74f0cd1fcf8 EFLAGS: 00010082
kernel: [18594.943875] RAX: ffffb74f0cd1fd80 RBX: ffffb74f0cd1fd30 RCX: 0044b82fa09b5a53
kernel: [18594.943877] RDX: ffffb74f014e3d80 RSI: 000000000002c075 RDI: ffffffffc19c3d98
kernel: [18594.943879] RBP: ffff88d01854aff0 R08: ffff88d188b75e50 R09: 0000000000000010
kernel: [18594.943881] R10: ffff88d18d0079c0 R11: 0000000040000000 R12: 0000000000000000
kernel: [18594.943883] R13: ffffb74f0cd1fe48 R14: ffff88d1048a8200 R15: 0000000000000052
kernel: [18594.943886] FS: 00007f7c8df0a000(0000) GS:ffff88d18edc0000(0000) knlGS:0000000000000000
kernel: [18594.943889] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
kernel: [18594.943890] CR2: ffffb74f014e3d80 CR3: 00000003773b8000 CR4: 00000000003406e0
kernel: [18594.943892] Call Trace:
kernel: [18594.944212] ? _nv033447rm+0xe3/0x1b0 [nvidia]
kernel: [18594.944492] ? rm_ioctl+0x3c/0xb0 [nvidia]
kernel: [18594.944704] ? os_pci_read_dword+0x16/0x30 [nvidia]
kernel: [18594.944709] ? _cond_resched+0x19/0x30
kernel: [18594.944713] ? __kmalloc+0x189/0x280
kernel: [18594.944718] ? __check_object_size+0x100/0x150
kernel: [18594.944925] ? nvidia_ioctl+0x581/0x7a0 [nvidia]
kernel: [18594.945131] ? nvidia_frontend_unlocked_ioctl+0x3b/0x50 [nvidia]
kernel: [18594.945135] ? do_vfs_ioctl+0x407/0x670
kernel: [18594.945138] ? __schedule+0x167/0x740
kernel: [18594.945141] ? vfs_read+0x12e/0x160
kernel: [18594.945144] ? ksys_ioctl+0x67/0x90
kernel: [18594.945148] ? __x64_sys_ioctl+0x1a/0x20
kernel: [18594.945152] ? do_syscall_64+0x57/0x190
kernel: [18594.945156] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9
kernel: [18594.945160] Modules linked in: iptable_mangle xt_CHECKSUM iptable_nat xt_comment xt_MASQUERADE nf_nat bridge stp llc ashmem_xdroid(OE) binder_xdroid(OE) aufs overlay vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) binfmt_misc nls_iso8859_1 snd_hda_codec_hdmi nvidia_uvm(POE) nvidia_drm(POE) nvidia_modeset(POE) nvidia(POE) edac_mce_amd snd_hda_codec_realtek snd_hda_codec_generic ledtrig_audio 8821cu(OE) kvm_amd snd_hda_intel snd_intel_dspcfg kvm snd_hda_codec snd_hda_core cfg80211 drm_kms_helper snd_hwdep ipmi_devintf snd_pcm snd_seq_midi snd_seq_midi_event joydev snd_rawmidi snd_seq ipmi_msghandler input_leds snd_seq_device crct10dif_pclmul fb_sys_fops snd_timer ghash_clmulni_intel syscopyarea snd sysfillrect sysimgblt soundcore aesni_intel ccp k10temp eeepc_wmi crypto_simd asus_wmi cryptd sparse_keymap glue_helper video wmi_bmof mac_hid nf_log_ipv6 ip6t_REJECT nf_reject_ipv6 xt_hl ip6t_rt nf_log_ipv4 nf_log_common ipt_REJECT nf_reject_ipv4 xt_LOG xt_multiport xt_limit xt_addrtype xt_tcpudp
kernel: [18594.945210] xt_conntrack nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 libcrc32c sch_fq_codel ip6table_filter ip6_tables iptable_filter bpfilter parport_pc ppdev lp parport drm ip_tables x_tables autofs4 hid_generic usbhid hid crc32_pclmul i2c_piix4 r8169 ahci realtek libahci wmi gpio_amdpt gpio_generic
kernel: [18594.945232] CR2: ffffb74f014e3d80
kernel: [18594.945235] ---[ end trace bdf6ec4ad5872875 ]---
kernel: [18594.945241] RIP: 0010:0xffff88d1884cb1a8
kernel: [18594.945245] Code: 00 00 88 b1 4c 88 d1 88 ff ff 26 2e 08 00 01 00 00 00 98 b1 4c 88 d1 88 ff ff 1d 25 08 00 01 00 00 00 a8 b1 4c 88 d1 88 ff ff <15> 1c 10 01 02 00 00 00 b8 b1 4c 88 d1 88 ff ff 10 14 08 01 00 00
kernel: [18594.945247] RSP: 0018:ffffb74f014e39a0 EFLAGS: 00010286
kernel: [18594.945249] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff88cfc5efa92c
kernel: [18594.945251] RDX: 0000000000000020 RSI: 0000000000070000 RDI: ffff88d130c3c008
kernel: [18594.945253] RBP: ffff88cfc5efa950 R08: 0000000000000020 R09: ffff88cfc5efa928
kernel: [18594.945255] R10: ffffffffc0f78af0 R11: ffff88d1884cb1a8 R12: 0000000000000000
kernel: [18594.945257] R13: 0000000000000001 R14: 0000000000000000 R15: ffff88d130c3c008
kernel: [18594.945259] FS: 00007f7c8df0a000(0000) GS:ffff88d18edc0000(0000) knlGS:0000000000000000
kernel: [18594.945261] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
kernel: [18594.945263] CR2: ffffb74f014e3d80 CR3: 00000003773b8000 CR4: 00000000003406e0

[handsome-feng]

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