Загрузил модуль с перехватом системных вызовов (грубо говоря, модуль перехватывает ip пакеты), после его выгрузки компьютер зависает, в лог выводит следующие сообщения.
[ 750.094171] Bye! drop module unloaded
[ 750.094203] WARNING: CPU: 1 PID: 6049 at /build/linux-7wS8Nk/linux-4.15.0/net/netfilter/core.c:353 nf_unregister_net_hook+0xb2/0xd0
[ 750.094204] Modules linked in: firewall(OE-) usblp snd_intel8x0 snd_ac97_codec ac97_bus snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi gpio_ich x86_pkg_temp_thermal coretemp crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_seq pcbc uvcvideo videobuf2_vmalloc videobuf2_memops snd_seq_device aesni_intel videobuf2_v4l2 prl_fs_freeze(POE) aes_x86_64 crypto_simd prl_fs(POE) prl_eth(POE) glue_helper cryptd videobuf2_core snd_timer intel_rapl_perf videodev media input_leds serio_raw snd soundcore sbs lpc_ich sbshc shpchp prl_tg(POE) pvpanic mac_hid sch_fq_codel parport_pc ppdev lp parport ip_tables x_tables autofs4 ahci psmouse libahci pata_acpi virtio_net
[ 750.094224] CPU: 1 PID: 6049 Comm: rmmod Tainted: P OE 4.15.0-126-generic #129-Ubuntu
[ 750.094224] Hardware name: Parallels Software International Inc. Parallels Virtual Platform/Parallels Virtual Platform, BIOS 14.1.3 (45485) 03/12/2019
[ 750.094227] RIP: 0010:nf_unregister_net_hook+0xb2/0xd0
[ 750.094228] RSP: 0018:ffffa864c48c3ea0 EFLAGS: 00010246
[ 750.094229] RAX: 0000000000000000 RBX: ffffffffb23e95d0 RCX: 0000000000000006
[ 750.094230] RDX: ffff9619f0b08000 RSI: ffffffffc055f140 RDI: 0000000000000000
[ 750.094231] RBP: ffffa864c48c3eb8 R08: 00000000000002c1 R09: 0000000000000004
[ 750.094232] R10: ffffa864c48c3e88 R11: 0000000000000001 R12: ffffffffb23e8740
[ 750.094234] R13: ffffffffc055f140 R14: 0000000000000000 R15: 0000000000000000
[ 750.094235] FS: 00007efec8d41540(0000) GS:ffff9619fde40000(0000) knlGS:0000000000000000
[ 750.094236] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 750.094237] CR2: 0000555a89e18f38 CR3: 000000003534c005 CR4: 00000000003606e0
[ 750.094241] Call Trace:
[ 750.094249] icmp_drop_exit+0x69/0xa78 [firewall]
[ 750.094254] SyS_delete_module+0x1ab/0x2d0
[ 750.094258] do_syscall_64+0x73/0x130
[ 750.094263] entry_SYSCALL_64_after_hwframe+0x41/0xa6
[ 750.094265] RIP: 0033:0x7efec8862367
[ 750.094265] RSP: 002b:00007ffecf5f2758 EFLAGS: 00000206 ORIG_RAX: 00000000000000b0
[ 750.094267] RAX: ffffffffffffffda RBX: 00007ffecf5f27b8 RCX: 00007efec8862367
[ 750.094267] RDX: 000000000000000a RSI: 0000000000000800 RDI: 0000555a89e0e7e8
[ 750.094268] RBP: 0000555a89e0e780 R08: 00007ffecf5f16d1 R09: 0000000000000000
[ 750.094269] R10: 00007efec88def20 R11: 0000000000000206 R12: 00007ffecf5f2980
[ 750.094269] R13: 00007ffecf5f37a7 R14: 0000555a89e0e260 R15: 0000555a89e0e780
[ 750.094270] Code: 41 5d 5d c3 48 8b 5e 08 48 85 db 74 0d 85 d2 75 09 48 3b bb e0 04 00 00 74 21 e8 9a fb ff ff 48 89 c3 eb 83 e8 30 52 fb ff eb ca <0f> 0b 48 c7 c7 80 b4 3f b2 e8 20 a7 10 00 eb c2 48 81 c3 80 03
[ 750.094283] ---[ end trace 68ae87b144bb4017 ]---
Не знаю насколько может пригодиться эта информация, но вдруг. Могу еще код скинуть.
Спасибо за ответы!
