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Date: Thu, 4 Jun 2020 20:37:47 +0200
From: Mikhail Morfikov <mmorfikov@...il.com>
To: lkrg-users@...ts.openwall.com
Subject: Re: Re: Support for 5.7 linux kernel?
On 04/06/2020 19:42, Adam Zabrocki wrote:
> Hi,
>
> I've just pushed a basic verification if necessary CONFIG_* options are
> enabled. If I miss something in the latest commit, I will be incrementaly
> adding them.
>
> Please try to recompile the module and check if it works.
Still some issues:
# modprobe -v p_lkrg
insmod /lib/modules/5.7.0-amd64/updates/dkms/p_lkrg.ko
# lsmod
Module Size Used by
p_lkrg 245760 0
So it loads, but in the syslog:
Jun 04 20:32:32 morfikownia kernel: p_lkrg: loading out-of-tree module taints kernel.
Jun 04 20:32:32 morfikownia kernel: [p_lkrg] Loading LKRG...
Jun 04 20:32:32 morfikownia kernel: BUG: using smp_processor_id() in preemptible [00000000] code: modprobe/5461
Jun 04 20:32:32 morfikownia kernel: caller is p_parse_module_params+0x161/0x28c [p_lkrg]
Jun 04 20:32:32 morfikownia kernel: CPU: 0 PID: 5461 Comm: modprobe Tainted: G O T 5.7.0-amd64 #5
Jun 04 20:32:32 morfikownia kernel: Hardware name: LENOVO 2349BM5/2349BM5, BIOS G1ETC2WW (2.82 ) 08/07/2019
Jun 04 20:32:32 morfikownia kernel: Call Trace:
Jun 04 20:32:32 morfikownia kernel: dump_stack+0x50/0x68
Jun 04 20:32:32 morfikownia kernel: debug_smp_processor_id.cold+0x4e/0x53
Jun 04 20:32:32 morfikownia kernel: p_parse_module_params+0x161/0x28c [p_lkrg]
Jun 04 20:32:32 morfikownia kernel: p_lkrg_register+0x50/0x1000 [p_lkrg]
Jun 04 20:32:32 morfikownia kernel: ? 0xffffffffc0499000
Jun 04 20:32:32 morfikownia kernel: do_one_initcall+0x5b/0x240
Jun 04 20:32:32 morfikownia kernel: do_init_module+0x5f/0x230
Jun 04 20:32:32 morfikownia kernel: load_module+0x2709/0x29e0
Jun 04 20:32:32 morfikownia kernel: ? __do_sys_finit_module+0xc2/0x120
Jun 04 20:32:32 morfikownia kernel: __do_sys_finit_module+0xc2/0x120
Jun 04 20:32:32 morfikownia kernel: do_syscall_64+0xa4/0x5f1
Jun 04 20:32:32 morfikownia kernel: ? do_syscall_64+0x30/0x5f1
Jun 04 20:32:32 morfikownia kernel: entry_SYSCALL_64_after_hwframe+0x44/0xa9
Jun 04 20:32:32 morfikownia kernel: RIP: 0033:0x79de8c2fef79
Jun 04 20:32:32 morfikownia kernel: Code: 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d e7 3e 0c 00 f7 d8 64 89 01 48
Jun 04 20:32:32 morfikownia kernel: RSP: 002b:00007ffeaf5bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
Jun 04 20:32:32 morfikownia kernel: RAX: ffffffffffffffda RBX: 00005f050dd29ef0 RCX: 000079de8c2fef79
Jun 04 20:32:32 morfikownia kernel: RDX: 0000000000000000 RSI: 00005f050cd10358 RDI: 0000000000000003
Jun 04 20:32:32 morfikownia kernel: RBP: 0000000000040000 R08: 0000000000000000 R09: 00005f050dd2b3f0
Jun 04 20:32:32 morfikownia kernel: R10: 0000000000000003 R11: 0000000000000246 R12: 00005f050cd10358
Jun 04 20:32:32 morfikownia kernel: R13: 0000000000000000 R14: 00005f050dd29e90 R15: 00005f050dd29ef0
Jun 04 20:32:32 morfikownia kernel: BUG: using smp_processor_id() in preemptible [00000000] code: modprobe/5461
Jun 04 20:32:32 morfikownia kernel: caller is p_parse_module_params+0x1b4/0x28c [p_lkrg]
Jun 04 20:32:32 morfikownia kernel: CPU: 0 PID: 5461 Comm: modprobe Tainted: G O T 5.7.0-amd64 #5
Jun 04 20:32:32 morfikownia kernel: Hardware name: LENOVO 2349BM5/2349BM5, BIOS G1ETC2WW (2.82 ) 08/07/2019
Jun 04 20:32:32 morfikownia kernel: Call Trace:
Jun 04 20:32:32 morfikownia kernel: dump_stack+0x50/0x68
Jun 04 20:32:32 morfikownia kernel: debug_smp_processor_id.cold+0x4e/0x53
Jun 04 20:32:32 morfikownia kernel: p_parse_module_params+0x1b4/0x28c [p_lkrg]
Jun 04 20:32:32 morfikownia kernel: p_lkrg_register+0x50/0x1000 [p_lkrg]
Jun 04 20:32:32 morfikownia kernel: ? 0xffffffffc0499000
Jun 04 20:32:32 morfikownia kernel: do_one_initcall+0x5b/0x240
Jun 04 20:32:32 morfikownia kernel: do_init_module+0x5f/0x230
Jun 04 20:32:32 morfikownia kernel: load_module+0x2709/0x29e0
Jun 04 20:32:32 morfikownia kernel: ? __do_sys_finit_module+0xc2/0x120
Jun 04 20:32:32 morfikownia kernel: __do_sys_finit_module+0xc2/0x120
Jun 04 20:32:32 morfikownia kernel: do_syscall_64+0xa4/0x5f1
Jun 04 20:32:32 morfikownia kernel: ? do_syscall_64+0x30/0x5f1
Jun 04 20:32:32 morfikownia kernel: entry_SYSCALL_64_after_hwframe+0x44/0xa9
Jun 04 20:32:32 morfikownia kernel: RIP: 0033:0x79de8c2fef79
Jun 04 20:32:32 morfikownia kernel: Code: 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d e7 3e 0c 00 f7 d8 64 89 01 48
Jun 04 20:32:32 morfikownia kernel: RSP: 002b:00007ffeaf5bf6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
Jun 04 20:32:32 morfikownia kernel: RAX: ffffffffffffffda RBX: 00005f050dd29ef0 RCX: 000079de8c2fef79
Jun 04 20:32:32 morfikownia kernel: RDX: 0000000000000000 RSI: 00005f050cd10358 RDI: 0000000000000003
Jun 04 20:32:32 morfikownia kernel: RBP: 0000000000040000 R08: 0000000000000000 R09: 00005f050dd2b3f0
Jun 04 20:32:32 morfikownia kernel: R10: 0000000000000003 R11: 0000000000000246 R12: 00005f050cd10358
Jun 04 20:32:32 morfikownia kernel: R13: 0000000000000000 R14: 00005f050dd29e90 R15: 00005f050dd29ef0
Jun 04 20:32:32 morfikownia kernel: [p_lkrg] System does NOT support SMAP. LKRG can't enforce SMAP validation :(
Jun 04 20:32:32 morfikownia kernel: Freezing user space processes ... (elapsed 0.032 seconds) done.
Jun 04 20:32:32 morfikownia kernel: OOM killer disabled.
Jun 04 20:32:32 morfikownia kernel: [p_lkrg] 8/23 UMH paths were whitelisted...
Jun 04 20:32:32 morfikownia kernel: [p_lkrg] LKRG initialized successfully!
Jun 04 20:32:32 morfikownia kernel: OOM killer enabled.
Jun 04 20:32:32 morfikownia kernel: Restarting tasks ... done.
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