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[server] Daily crash of my server with kernel error message

January 16, 2021, 6:39 am
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Hi,

I have a Ubuntu 20.04.1 LTS (GNU/Linux 5.5.4-050504-generic x86_64) server running like a charm during one year.
But since 3 weeks, my server is "crashing" around once a day, at random timing.
A don't have choice to reboot it, and it's starting again for one more day approximately !
But it's not a very sustainable solution !

On the log during the time crash, I have this kind of messages :

Code:
janv. 16 09:25:02 server.domain.tld CRON[1426508]: pam_unix(cron:session): session closed for user admin
janv. 16 09:25:02 server.domain.tld sudo[1426529]: pam_unix(sudo:session): session closed for user root
janv. 16 09:25:02 server.domain.tld kernel: Fixing recursive fault but reboot is needed!
janv. 16 09:25:02 server.domain.tld kernel: CR2: 00007fe2c17892d1 CR3: 000000000260a000 CR4: 0000000000040660
janv. 16 09:25:02 server.domain.tld kernel: CS:  e030 DS: 0000 ES: 0000 CR0: 0000000080050033
janv. 16 09:25:02 server.domain.tld kernel: FS:  00007fe2c16a0740(0000) GS:ffff88807d240000(0000) knlGS:0000000000000000
janv. 16 09:25:02 server.domain.tld kernel: R13: ffffc90040c9bc60 R14: ffff88807931a398 R15: 0000561336c74000
janv. 16 09:25:02 server.domain.tld kernel: R10: 0000000000000001 R11: 0000000000000001 R12: 0000561336c73000
janv. 16 09:25:02 server.domain.tld kernel: RBP: ffffc90040c9bb30 R08: ffffea0001bd5300 R09: 0000000000000000
janv. 16 09:25:02 server.domain.tld kernel: RDX: 0000000000000000 RSI: 0000561336c73000 RDI: 0000001ad394c125
janv. 16 09:25:02 server.domain.tld kernel: RAX: ffffea0001bd5300 RBX: 0000001ad394c125 RCX: 0000000000000125
janv. 16 09:25:02 server.domain.tld kernel: RSP: e02b:ffffc90040c9ba88 EFLAGS: 00010202
janv. 16 09:25:02 server.domain.tld kernel: Code: 00 10 00 00 e8 15 f6 ff ff 48 83 7d 98 00 49 89 c0 74 09 48 85 c0 0f 85 91 05 00 00 41 f6 45 20 01 0f 84 b5 02 00 00 49>
janv. 16 09:25:02 server.domain.tld kernel: RIP: e030:zap_pte_range.isra.0+0x19c/0x880
janv. 16 09:25:02 server.domain.tld kernel: ---[ end trace 778135425d0d7b88 ]---
janv. 16 09:25:02 server.domain.tld kernel: Modules linked in: ipt_REJECT nf_reject_ipv4 xt_tcpudp xt_multiport iptable_filter bpfilter intel_rapl_msr intel_rapl_common >
janv. 16 09:25:02 server.domain.tld kernel:  call  1: op=26 arg=[ffff88807d217b10] result=-22
janv. 16 09:25:02 server.domain.tld kernel: R13: 000056133797d800 R14: 000056133797d320 R15: 000056133797d000
janv. 16 09:25:02 server.domain.tld kernel: R10: 0000000000000008 R11: 0000000000000246 R12: 00000000ffffffff
janv. 16 09:25:02 server.domain.tld kernel: 1 of 1 multicall(s) failed: cpu 0
janv. 16 09:25:02 server.domain.tld kernel: RBP: 000056133797d040 R08: 000056133797d800 R09: 0000000000000000
janv. 16 09:25:02 server.domain.tld kernel: ---[ end trace 778135425d0d7b87 ]---
janv. 16 09:25:02 server.domain.tld kernel: RDX: 000056133797d320 RSI: 000056133797d800 RDI: 000056133797d040
janv. 16 09:25:02 server.domain.tld kernel: RAX: ffffffffffffffda RBX: 000056133797cfe0 RCX: 00007fe2c17892fb
janv. 16 09:25:02 server.domain.tld kernel:  ret_from_fork+0x35/0x40
janv. 16 09:25:02 server.domain.tld kernel: RSP: 002b:00007ffeb9f837d8 EFLAGS: 00000246 ORIG_RAX: 000000000000003b
janv. 16 09:25:02 server.domain.tld kernel:  ? kthread_park+0x90/0x90
janv. 16 09:25:02 server.domain.tld kernel: Code: Bad RIP value.
janv. 16 09:25:02 server.domain.tld kernel:  ? process_one_work+0x3b0/0x3b0
janv. 16 09:25:02 server.domain.tld kernel: RIP: 0033:0x7fe2c17892fb
janv. 16 09:25:02 server.domain.tld kernel:  kthread+0x104/0x140
janv. 16 09:25:02 server.domain.tld kernel:  rewind_stack_do_exit+0x17/0x20
janv. 16 09:25:02 server.domain.tld kernel:  worker_thread+0x4d/0x400
janv. 16 09:25:02 server.domain.tld kernel:  ? __x64_sys_execve+0x39/0x50
janv. 16 09:25:02 server.domain.tld kernel:  process_one_work+0x1eb/0x3b0
janv. 16 09:25:02 server.domain.tld kernel:  netstamp_clear+0x34/0x40
janv. 16 09:25:02 server.domain.tld kernel:  do_exit+0x2fd/0xac0
janv. 16 09:25:02 server.domain.tld kernel:  static_key_disable+0x1b/0x30
janv. 16 09:25:02 server.domain.tld kernel:  mmput+0x5d/0x130
janv. 16 09:25:02 server.domain.tld kernel:  static_key_disable_cpuslocked+0x66/0x90
janv. 16 09:25:02 server.domain.tld kernel:  ? _cond_resched+0x19/0x30
janv. 16 09:25:02 server.domain.tld kernel:  jump_label_update+0x64/0xc0
janv. 16 09:25:02 server.domain.tld kernel:  exit_mmap+0xb4/0x1b0
janv. 16 09:25:02 server.domain.tld kernel:  __jump_label_update+0x115/0x120
janv. 16 09:25:02 server.domain.tld kernel:  unmap_vmas+0x79/0xf0
janv. 16 09:25:02 server.domain.tld kernel:  arch_jump_label_transform_apply+0x32/0x50
janv. 16 09:25:02 server.domain.tld kernel:  unmap_single_vma+0x7f/0xf0
janv. 16 09:25:02 server.domain.tld kernel:  text_poke_bp_batch+0xf7/0x160
janv. 16 09:25:02 server.domain.tld kernel:  unmap_page_range+0x2d7/0x4e0
janv. 16 09:25:02 server.domain.tld kernel:  __text_poke+0x21a/0x4a0
janv. 16 09:25:02 server.domain.tld kernel:  ? exit_mmap+0xb4/0x1b0
janv. 16 09:25:02 server.domain.tld kernel:  ? netif_receive_skb_list_internal+0x47/0x2b0
janv. 16 09:25:02 server.domain.tld kernel:  zap_pte_range.isra.0+0x126/0x880
janv. 16 09:25:02 server.domain.tld kernel:  switch_mm_irqs_off+0x19b/0x500
janv. 16 09:25:02 server.domain.tld kernel: Call Trace:
janv. 16 09:25:02 server.domain.tld kernel:  load_new_mm_cr3+0x4d/0xf0
janv. 16 09:25:02 server.domain.tld kernel: CR2: 000055558da6d138 CR3: 000000000260a000 CR4: 0000000000040660
janv. 16 09:25:02 server.domain.tld kernel: CS:  e030 DS: 0000 ES: 0000 CR0: 0000000080050033
janv. 16 09:25:02 server.domain.tld kernel:  xen_write_cr3+0xf9/0x160
janv. 16 09:25:02 server.domain.tld kernel: FS:  00007fe2c16a0740(0000) GS:ffff88807d240000(0000) knlGS:0000000000000000
janv. 16 09:25:02 server.domain.tld kernel: R13: ffffc90040c9be20 R14: ffff888072d32ff0 R15: ffff888072d33ff8
janv. 16 09:25:02 server.domain.tld kernel: Call Trace:
janv. 16 09:25:02 server.domain.tld kernel: R10: 0000000000000001 R11: 0000000000000001 R12: 00007fffffffe000
janv. 16 09:25:02 server.domain.tld kernel: RBP: ffffc90040c9bc38 R08: 00007ffffffff000 R09: 0000000000000000
janv. 16 09:25:02 server.domain.tld kernel: CR2: 0000561337976bc8 CR3: 00000000250ee000 CR4: 0000000000040660
janv. 16 09:25:02 server.domain.tld kernel: CS:  10000e030 DS: 0000 ES: 0000 CR0: 0000000080050033
janv. 16 09:25:02 server.domain.tld kernel: RDX: 0000000000000001 RSI: ffff8880043e0898 RDI: ffff88801d8a1980
janv. 16 09:25:02 server.domain.tld kernel: RAX: 0000000000000001 RBX: ffff888007b18ff8 RCX: ffff888000000ff0
janv. 16 09:25:02 server.domain.tld kernel: FS:  00007fe2c16a0740(0000) GS:ffff88807d200000(0000) knlGS:0000000000000000
janv. 16 09:25:02 server.domain.tld kernel: R13: ffff88807d217300 R14: 0000000000000020 R15: ffff8880743ee600
janv. 16 09:25:02 server.domain.tld kernel: RSP: e02b:ffffc90040c9bc38 EFLAGS: 00010202
janv. 16 09:25:02 server.domain.tld kernel: R10: 0000000000007ff0 R11: ffffc90040b87ad3 R12: 0000000000000001
janv. 16 09:25:02 server.domain.tld kernel: RBP: ffffc90040b87c78 R08: 0000000000000000 R09: 0000000000000000
janv. 16 09:25:02 server.domain.tld kernel: Code: e8 b4 b0 02 00 5d c3 66 90 0f 1f 44 00 00 55 48 89 e5 65 8b 05 e8 07 fa 7e 85 c0 75 0d 65 c7 05 d9 07 fa 7e 01 00 00 00>
janv. 16 09:25:02 server.domain.tld kernel: RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88807d217b10
janv. 16 09:25:02 server.domain.tld kernel: RAX: ffffffffffffffea RBX: ffff8880250ee000 RCX: 0000000000000001
janv. 16 09:25:02 server.domain.tld kernel: RIP: e030:paravirt_enter_lazy_mmu+0x21/0x30
janv. 16 09:25:02 server.domain.tld kernel: RSP: e02b:ffffc90040b87c48 EFLAGS: 00010002
janv. 16 09:25:02 server.domain.tld kernel: CPU: 1 PID: 1426643 Comm: bash Tainted: G      D W        5.5.4-050504-generic #202002150446
janv. 16 09:25:02 server.domain.tld kernel: Code: 05 00 10 00 81 e8 fa 83 dd 00 48 89 c1 49 89 45 18 48 c1 e9 3f 48 89 ce e9 fa fe ff ff 49 c7 45 18 ea ff ff ff be 01 00>
janv. 16 09:25:02 server.domain.tld kernel: invalid opcode: 0000 [#2] SMP NOPTI
janv. 16 09:25:02 server.domain.tld kernel: RIP: e030:xen_mc_flush+0x1a6/0x1d0
janv. 16 09:25:02 server.domain.tld kernel: kernel BUG at arch/x86/kernel/paravirt.c:216!
janv. 16 09:25:02 server.domain.tld kernel: Workqueue: events netstamp_clear
janv. 16 09:25:02 server.domain.tld kernel: ------------[ cut here ]------------
janv. 16 09:25:02 server.domain.tld kernel: CPU: 0 PID: 1417825 Comm: kworker/0:2 Tainted: G      D W        5.5.4-050504-generic #202002150446
janv. 16 09:25:02 server.domain.tld kernel: CR2: 00007fe2c17892d1 CR3: 0000000001e6e000 CR4: 0000000000040660
janv. 16 09:25:02 server.domain.tld kernel: CS:  e030 DS: 0000 ES: 0000 CR0: 0000000080050033
janv. 16 09:25:02 server.domain.tld kernel: Modules linked in: ipt_REJECT nf_reject_ipv4 xt_tcpudp xt_multiport iptable_filter bpfilter intel_rapl_msr intel_rapl_common >
janv. 16 09:25:02 server.domain.tld kernel: FS:  00007fe2c16a0740(0000) GS:ffff88807d240000(0000) knlGS:0000000000000000
janv. 16 09:25:02 server.domain.tld kernel: WARNING: CPU: 0 PID: 1417825 at arch/x86/xen/multicalls.c:102 xen_mc_flush+0x1a6/0x1d0
janv. 16 09:25:02 server.domain.tld kernel: R13: ffffc90040c9bc60 R14: ffff88807931a398 R15: 0000561336c74000
janv. 16 09:25:02 server.domain.tld kernel: R10: 0000000000000001 R11: 0000000000000001 R12: 0000561336c73000
janv. 16 09:25:02 server.domain.tld kernel: ------------[ cut here ]------------
janv. 16 09:25:02 server.domain.tld kernel: RBP: ffffc90040c9bb30 R08: ffffea0001bd5300 R09: 0000000000000000
janv. 16 09:25:02 server.domain.tld kernel: RDX: 0000000000000000 RSI: 0000561336c73000 RDI: 0000001ad394c125
janv. 16 09:25:02 server.domain.tld kernel:  call  1: op=26 arg=[ffff88807d217b10] result=-22
janv. 16 09:25:02 server.domain.tld kernel: RAX: ffffea0001bd5300 RBX: 0000001ad394c125 RCX: 0000000000000125
janv. 16 09:25:02 server.domain.tld kernel: 1 of 1 multicall(s) failed: cpu 0
janv. 16 09:25:02 server.domain.tld kernel: RSP: e02b:ffffc90040c9ba88 EFLAGS: 00010202
janv. 16 09:25:02 server.domain.tld kernel: ---[ end trace 778135425d0d7b86 ]---
janv. 16 09:25:02 server.domain.tld kernel: Code: 00 10 00 00 e8 15 f6 ff ff 48 83 7d 98 00 49 89 c0 74 09 48 85 c0 0f 85 91 05 00 00 41 f6 45 20 01 0f 84 b5 02 00 00 49>
janv. 16 09:25:02 server.domain.tld kernel:  ret_from_fork+0x35/0x40
janv. 16 09:25:02 server.domain.tld kernel: RIP: e030:zap_pte_range.isra.0+0x19c/0x880
janv. 16 09:25:02 server.domain.tld kernel:  ? kthread_park+0x90/0x90
janv. 16 09:25:02 server.domain.tld kernel: ---[ end trace 778135425d0d7b85 ]---
janv. 16 09:25:02 server.domain.tld kernel:  ? process_one_work+0x3b0/0x3b0
janv. 16 09:25:02 server.domain.tld kernel: CR2: ffff88807931a398
janv. 16 09:25:02 server.domain.tld kernel:  kthread+0x104/0x140
janv. 16 09:25:02 server.domain.tld kernel: Modules linked in: ipt_REJECT nf_reject_ipv4 xt_tcpudp xt_multiport iptable_filter bpfilter intel_rapl_msr intel_rapl_common >
janv. 16 09:25:02 server.domain.tld kernel: R13: 000056133797d800 R14: 000056133797d320 R15: 000056133797d000
janv. 16 09:25:02 server.domain.tld kernel:  worker_thread+0x4d/0x400
janv. 16 09:25:02 server.domain.tld kernel: R10: 0000000000000008 R11: 0000000000000246 R12: 00000000ffffffff
janv. 16 09:25:02 server.domain.tld kernel: RBP: 000056133797d040 R08: 000056133797d800 R09: 0000000000000000
janv. 16 09:25:02 server.domain.tld kernel:  process_one_work+0x1eb/0x3b0
janv. 16 09:25:02 server.domain.tld kernel: RDX: 000056133797d320 RSI: 000056133797d800 RDI: 000056133797d040
janv. 16 09:25:02 server.domain.tld kernel: RAX: ffffffffffffffda RBX: 000056133797cfe0 RCX: 00007fe2c17892fb
janv. 16 09:25:02 server.domain.tld kernel:  netstamp_clear+0x34/0x40
janv. 16 09:25:02 server.domain.tld kernel: RSP: 002b:00007ffeb9f837d8 EFLAGS: 00000246 ORIG_RAX: 000000000000003b
janv. 16 09:25:02 server.domain.tld kernel:  static_key_disable+0x1b/0x30
janv. 16 09:25:02 server.domain.tld kernel: Code: Bad RIP value.
janv. 16 09:25:02 server.domain.tld kernel:  static_key_disable_cpuslocked+0x66/0x90
janv. 16 09:25:02 server.domain.tld kernel: RIP: 0033:0x7fe2c17892fb
janv. 16 09:25:02 server.domain.tld kernel:  jump_label_update+0x64/0xc0
janv. 16 09:25:02 server.domain.tld kernel:  __jump_label_update+0x115/0x120
janv. 16 09:25:02 server.domain.tld kernel:  entry_SYSCALL_64_after_hwframe+0x44/0xa9
janv. 16 09:25:02 server.domain.tld kernel:  arch_jump_label_transform_apply+0x32/0x50
janv. 16 09:25:02 server.domain.tld kernel:  do_syscall_64+0x57/0x1b0
janv. 16 09:25:02 server.domain.tld kernel:  text_poke_bp_batch+0xf7/0x160
janv. 16 09:25:02 server.domain.tld kernel:  __x64_sys_execve+0x39/0x50
janv. 16 09:25:02 server.domain.tld kernel:  __text_poke+0x21a/0x4a0
janv. 16 09:25:02 server.domain.tld kernel:  __do_execve_file.isra.0+0x4fe/0x830
janv. 16 09:25:02 server.domain.tld kernel:  ? netif_receive_skb+0x29/0x160
janv. 16 09:25:02 server.domain.tld kernel:  switch_mm_irqs_off+0x19b/0x500
janv. 16 09:25:02 server.domain.tld kernel:  search_binary_handler+0x8b/0x1c0
janv. 16 09:25:02 server.domain.tld kernel:  load_new_mm_cr3+0x4d/0xf0
janv. 16 09:25:02 server.domain.tld kernel:  ? ima_bprm_check+0x87/0xb0
janv. 16 09:25:02 server.domain.tld kernel:  xen_write_cr3+0xf9/0x160
janv. 16 09:25:02 server.domain.tld kernel:  load_elf_binary+0x2f7/0x10f0
janv. 16 09:25:02 server.domain.tld kernel: Call Trace:
janv. 16 09:25:02 server.domain.tld kernel:  flush_old_exec+0x1b5/0x240
janv. 16 09:25:02 server.domain.tld kernel: CR2: 0000561337976bc8 CR3: 00000000250ee000 CR4: 0000000000040660
janv. 16 09:25:02 server.domain.tld kernel: CS:  10000e030 DS: 0000 ES: 0000 CR0: 0000000080050033
janv. 16 09:25:02 server.domain.tld kernel:  mmput+0x5d/0x130
janv. 16 09:25:02 server.domain.tld kernel: FS:  00007fe2c16a0740(0000) GS:ffff88807d200000(0000) knlGS:0000000000000000
janv. 16 09:25:02 server.domain.tld kernel: R13: ffff88807d217300 R14: 0000000000000020 R15: ffff8880743ee600
janv. 16 09:25:02 server.domain.tld kernel:  ? _cond_resched+0x19/0x30
janv. 16 09:25:02 server.domain.tld kernel: R10: 0000000000007ff0 R11: 00000000000375e4 R12: 0000000000000001
janv. 16 09:25:02 server.domain.tld kernel: RBP: ffffc90040b87c78 R08: 0000000000000000 R09: 0000000000000000
janv. 16 09:25:02 server.domain.tld kernel:  exit_mmap+0xb4/0x1b0
janv. 16 09:25:02 server.domain.tld kernel: RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88807d217b10
janv. 16 09:25:02 server.domain.tld kernel: RAX: ffffffffffffffea RBX: ffff8880250ee000 RCX: 0000000000000001
janv. 16 09:25:02 server.domain.tld kernel:  unmap_vmas+0x79/0xf0
janv. 16 09:25:02 server.domain.tld kernel: RSP: e02b:ffffc90040b87c48 EFLAGS: 00010002
janv. 16 09:25:02 server.domain.tld kernel:  unmap_single_vma+0x7f/0xf0
janv. 16 09:25:02 server.domain.tld kernel: Code: 05 00 10 00 81 e8 fa 83 dd 00 48 89 c1 49 89 45 18 48 c1 e9 3f 48 89 ce e9 fa fe ff ff 49 c7 45 18 ea ff ff ff be 01 00>
janv. 16 09:25:02 server.domain.tld kernel:  unmap_page_range+0x2d7/0x4e0
janv. 16 09:25:02 server.domain.tld kernel: RIP: e030:xen_mc_flush+0x1a6/0x1d0
janv. 16 09:25:02 server.domain.tld kernel: Call Trace:
janv. 16 09:25:02 server.domain.tld kernel: Workqueue: events netstamp_clear
janv. 16 09:25:02 server.domain.tld kernel: CR2: ffff88807931a398 CR3: 0000000001e6e000 CR4: 0000000000040660
janv. 16 09:25:02 server.domain.tld kernel: CS:  e030 DS: 0000 ES: 0000 CR0: 0000000080050033
janv. 16 09:25:02 server.domain.tld kernel: CPU: 0 PID: 1417825 Comm: kworker/0:2 Tainted: G        W        5.5.4-050504-generic #202002150446
janv. 16 09:25:02 server.domain.tld kernel: FS:  00007fe2c16a0740(0000) GS:ffff88807d240000(0000) knlGS:0000000000000000
janv. 16 09:25:02 server.domain.tld kernel: R13: ffffc90040c9bc60 R14: ffff88807931a398 R15: 0000561336c74000
janv. 16 09:25:02 server.domain.tld kernel: Modules linked in: ipt_REJECT nf_reject_ipv4 xt_tcpudp xt_multiport iptable_filter bpfilter intel_rapl_msr intel_rapl_common >
janv. 16 09:25:02 server.domain.tld kernel: R10: 0000000000000001 R11: 0000000000000001 R12: 0000561336c73000
janv. 16 09:25:02 server.domain.tld kernel: RBP: ffffc90040c9bb30 R08: ffffea0001bd5300 R09: 0000000000000000
janv. 16 09:25:02 server.domain.tld kernel: WARNING: CPU: 0 PID: 1417825 at arch/x86/xen/multicalls.c:102 xen_mc_flush+0x1a6/0x1d0
janv. 16 09:25:02 server.domain.tld kernel: RDX: 0000000000000000 RSI: 0000561336c73000 RDI: 0000001ad394c125
janv. 16 09:25:02 server.domain.tld kernel: RAX: ffffea0001bd5300 RBX: 0000001ad394c125 RCX: 0000000000000125
janv. 16 09:25:02 server.domain.tld kernel: ------------[ cut here ]------------
janv. 16 09:25:02 server.domain.tld kernel:  call  1: op=26 arg=[ffff88807d217b10] result=-22
janv. 16 09:25:02 server.domain.tld kernel: RSP: e02b:ffffc90040c9ba88 EFLAGS: 00010202
janv. 16 09:25:02 server.domain.tld kernel: 1 of 1 multicall(s) failed: cpu 0
janv. 16 09:25:02 server.domain.tld kernel: Code: 00 10 00 00 e8 15 f6 ff ff 48 83 7d 98 00 49 89 c0 74 09 48 85 c0 0f 85 91 05 00 00 41 f6 45 20 01 0f 84 b5 02 00 00 49>
janv. 16 09:25:02 server.domain.tld kernel: RIP: e030:zap_pte_range.isra.0+0x19c/0x880
janv. 16 09:25:02 server.domain.tld kernel: ---[ end trace 778135425d0d7b84 ]---
janv. 16 09:25:02 server.domain.tld kernel: CPU: 1 PID: 1426643 Comm: bash Tainted: G        W        5.5.4-050504-generic #202002150446
janv. 16 09:25:02 server.domain.tld kernel: Oops: 0003 [#1] SMP NOPTI
janv. 16 09:25:02 server.domain.tld kernel:  ret_from_fork+0x35/0x40
janv. 16 09:25:02 server.domain.tld kernel:  ? kthread_park+0x90/0x90
janv. 16 09:25:02 server.domain.tld kernel: PGD 260c067 P4D 260c067 PUD 3000067 PMD 7ff40067 PTE 801000007931a065
janv. 16 09:25:02 server.domain.tld kernel: #PF: error_code(0x0003) - permissions violation
janv. 16 09:25:02 server.domain.tld kernel:  ? process_one_work+0x3b0/0x3b0
janv. 16 09:25:02 server.domain.tld kernel: #PF: supervisor write access in kernel mode
janv. 16 09:25:02 server.domain.tld kernel: BUG: unable to handle page fault for address: ffff88807931a398
janv. 16 09:25:02 server.domain.tld kernel:  kthread+0x104/0x140
janv. 16 09:25:02 server.domain.tld kernel:  worker_thread+0x4d/0x400
janv. 16 09:25:02 server.domain.tld kernel:  process_one_work+0x1eb/0x3b0
janv. 16 09:25:02 server.domain.tld kernel:  netstamp_clear+0x34/0x40
janv. 16 09:25:02 server.domain.tld kernel:  static_key_disable+0x1b/0x30
janv. 16 09:25:02 server.domain.tld kernel:  static_key_disable_cpuslocked+0x66/0x90
janv. 16 09:25:02 server.domain.tld kernel:  jump_label_update+0x64/0xc0
janv. 16 09:25:02 server.domain.tld kernel:  __jump_label_update+0x115/0x120
janv. 16 09:25:02 server.domain.tld kernel:  arch_jump_label_transform_apply+0x32/0x50
janv. 16 09:25:02 server.domain.tld kernel:  call 19: op=14 arg=[ffff888001efc000] result=-16
janv. 16 09:25:02 server.domain.tld kernel:  text_poke_bp_batch+0xf7/0x160
janv. 16 09:25:02 server.domain.tld kernel:  call 17: op=14 arg=[ffff88801c9de000] result=-16
janv. 16 09:25:02 server.domain.tld kernel:  call 16: op=14 arg=[ffff88807c36d000] result=-16
janv. 16 09:25:02 server.domain.tld kernel:  __text_poke+0x21a/0x4a0
janv. 16 09:25:02 server.domain.tld kernel:  call 14: op=14 arg=[ffff8880735d1000] result=-16
janv. 16 09:25:02 server.domain.tld kernel:  call 12: op=14 arg=[ffff888076aea000] result=-16
janv. 16 09:25:02 server.domain.tld kernel:  ? __netif_receive_skb_core+0x37/0xf70
janv. 16 09:25:02 server.domain.tld kernel:  switch_mm_irqs_off+0x19b/0x500
janv. 16 09:25:02 server.domain.tld kernel:  call 10: op=14 arg=[ffff888074fc7000] result=-16
janv. 16 09:25:02 server.domain.tld kernel:  call  9: op=14 arg=[ffff888076dbe000] result=-16
janv. 16 09:25:02 server.domain.tld kernel:  load_new_mm_cr3+0x4d/0xf0
janv. 16 09:25:02 server.domain.tld kernel:  call  8: op=14 arg=[ffff888010097000] result=-16
janv. 16 09:25:02 server.domain.tld kernel:  call  6: op=14 arg=[ffff88807931a000] result=-16
janv. 16 09:25:02 server.domain.tld kernel:  xen_write_cr3+0xf9/0x160
janv. 16 09:25:02 server.domain.tld kernel:  call  4: op=14 arg=[ffff88800293f000] result=-16
janv. 16 09:25:02 server.domain.tld kernel:  call  3: op=14 arg=[ffff888002ebf000] result=-16
janv. 16 09:25:02 server.domain.tld kernel: Call Trace:
janv. 16 09:25:02 server.domain.tld kernel: CR2: 0000561337976bc8 CR3: 00000000250ee000 CR4: 0000000000040660
janv. 16 09:25:02 server.domain.tld kernel:  call  2: op=14 arg=[ffff88807b30a000] result=-16
janv. 16 09:25:02 server.domain.tld kernel: 12 of 20 multicall(s) failed: cpu 1
janv. 16 09:25:02 server.domain.tld kernel: CS:  10000e030 DS: 0000 ES: 0000 CR0: 0000000080050033
janv. 16 09:25:02 server.domain.tld kernel: ---[ end trace 778135425d0d7b83 ]---
janv. 16 09:25:02 server.domain.tld kernel: FS:  00007fe2c16a0740(0000) GS:ffff88807d200000(0000) knlGS:0000000000000000
janv. 16 09:25:02 server.domain.tld kernel: R13: 000056133797d800 R14: 000056133797d320 R15: 000056133797d000
janv. 16 09:25:02 server.domain.tld kernel: R10: 0000000000000008 R11: 0000000000000246 R12: 00000000ffffffff
janv. 16 09:25:02 server.domain.tld kernel: RBP: 000056133797d040 R08: 000056133797d800 R09: 0000000000000000
janv. 16 09:25:02 server.domain.tld kernel: RDX: 000056133797d320 RSI: 000056133797d800 RDI: 000056133797d040
janv. 16 09:25:02 server.domain.tld kernel: RAX: ffffffffffffffda RBX: 000056133797cfe0 RCX: 00007fe2c17892fb
janv. 16 09:25:02 server.domain.tld kernel: RSP: 002b:00007ffeb9f837d8 EFLAGS: 00000246 ORIG_RAX: 000000000000003b
janv. 16 09:25:02 server.domain.tld kernel: Code: Bad RIP value.
janv. 16 09:25:02 server.domain.tld kernel: R13: ffff88807d217300 R14: 0000000000000020 R15: ffff8880743ee600
janv. 16 09:25:02 server.domain.tld kernel: R10: 0000000000007ff0 R11: ffffffff826654c8 R12: 0000000000000001
janv. 16 09:25:02 server.domain.tld kernel: RBP: ffffc90040b87c78 R08: 0000000000000000 R09: 0000000000000000
janv. 16 09:25:02 server.domain.tld kernel: RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88807d217b10
janv. 16 09:25:02 server.domain.tld kernel: RAX: ffffffffffffffea RBX: ffff8880250ee000 RCX: 0000000000000001
janv. 16 09:25:02 server.domain.tld kernel: RSP: e02b:ffffc90040b87c48 EFLAGS: 00010002
janv. 16 09:25:02 server.domain.tld kernel: RIP: 0033:0x7fe2c17892fb
janv. 16 09:25:02 server.domain.tld kernel: Code: 05 00 10 00 81 e8 fa 83 dd 00 48 89 c1 49 89 45 18 48 c1 e9 3f 48 89 ce e9 fa fe ff ff 49 c7 45 18 ea ff ff ff be 01 00>
janv. 16 09:25:02 server.domain.tld kernel:  entry_SYSCALL_64_after_hwframe+0x44/0xa9
janv. 16 09:25:02 server.domain.tld kernel: RIP: e030:xen_mc_flush+0x1a6/0x1d0
janv. 16 09:25:02 server.domain.tld kernel:  do_syscall_64+0x57/0x1b0
janv. 16 09:25:02 server.domain.tld kernel: Workqueue: events netstamp_clear
janv. 16 09:25:02 server.domain.tld kernel:  __x64_sys_execve+0x39/0x50
janv. 16 09:25:02 server.domain.tld kernel: CPU: 0 PID: 1417825 Comm: kworker/0:2 Not tainted 5.5.4-050504-generic #202002150446
janv. 16 09:25:02 server.domain.tld kernel:  __do_execve_file.isra.0+0x4fe/0x830
janv. 16 09:25:02 server.domain.tld kernel:  crc32_pclmul
janv. 16 09:25:02 server.domain.tld kernel:  search_binary_handler+0x8b/0x1c0
janv. 16 09:25:02 server.domain.tld kernel:  drm ip_tables x_tables autofs4
janv. 16 09:25:02 server.domain.tld kernel:  ? ima_bprm_check+0x87/0xb0
janv. 16 09:25:02 server.domain.tld kernel:  intel_rapl_perf quota_v2 quota_tree sch_fq_codel
janv. 16 09:25:02 server.domain.tld kernel:  load_elf_binary+0x2f7/0x10f0
janv. 16 09:25:02 server.domain.tld kernel:  crypto_simd cryptd glue_helper
janv. 16 09:25:02 server.domain.tld kernel:  flush_old_exec+0x1b5/0x240
janv. 16 09:25:02 server.domain.tld kernel:  crct10dif_pclmul ghash_clmulni_intel aesni_intel
janv. 16 09:25:02 server.domain.tld kernel:  mmput+0x5d/0x130
janv. 16 09:25:02 server.domain.tld kernel:  intel_rapl_msr intel_rapl_common sb_edac
janv. 16 09:25:02 server.domain.tld kernel:  ? _cond_resched+0x19/0x30
janv. 16 09:25:02 server.domain.tld kernel:  xt_multiport iptable_filter bpfilter
janv. 16 09:25:02 server.domain.tld kernel:  ? xen_write_cr3+0xa4/0x160
janv. 16 09:25:02 server.domain.tld kernel:  ipt_REJECT nf_reject_ipv4 xt_tcpudp
janv. 16 09:25:02 server.domain.tld kernel:  exit_mmap+0x66/0x1b0
janv. 16 09:25:02 server.domain.tld kernel: Modules linked in:
janv. 16 09:25:02 server.domain.tld kernel: WARNING: CPU: 0 PID: 1417825 at arch/x86/xen/multicalls.c:102 xen_mc_flush+0x1a6/0x1d0
janv. 16 09:25:02 server.domain.tld kernel:  xen_exit_mmap+0x19b/0x1c0
janv. 16 09:25:02 server.domain.tld kernel:  __xen_pgd_unpin+0xfd/0x210
janv. 16 09:25:02 server.domain.tld kernel: ------------[ cut here ]------------
janv. 16 09:25:02 server.domain.tld kernel: Call Trace:
janv. 16 09:25:02 server.domain.tld kernel: CR2: 00007f1dfdd3ff30 CR3: 0000000001e6e000 CR4: 0000000000040660
janv. 16 09:25:02 server.domain.tld kernel: CS:  10000e030 DS: 0000 ES: 0000 CR0: 0000000080050033
janv. 16 09:25:02 server.domain.tld kernel: FS:  00007fe2c16a0740(0000) GS:ffff88807d240000(0000) knlGS:0000000000000000
janv. 16 09:25:02 server.domain.tld kernel: R13: ffff88807d257300 R14: ffff8880fb30a000 R15: 0000000000000000
janv. 16 09:25:02 server.domain.tld kernel: R10: ffff88807c439fb0 R11: 0000000000006f73 R12: 0000000000000014
janv. 16 09:25:02 server.domain.tld kernel: RBP: ffffc90040c9bbd8 R08: ffff88807d2577d0 R09: ffff88801c9df000
janv. 16 09:25:02 server.domain.tld kernel: RDX: 0000000000000000 RSI: 000000000000000c RDI: ffff88807d257310
janv. 16 09:25:02 server.domain.tld kernel: RAX: ffff88807d257818 RBX: 0000777f80000000 RCX: ffff88807d257818
janv. 16 09:25:02 server.domain.tld kernel: RSP: e02b:ffffc90040c9bba8 EFLAGS: 00010006
janv. 16 09:25:02 server.domain.tld kernel: Code: 05 00 10 00 81 e8 fa 83 dd 00 48 89 c1 49 89 45 18 48 c1 e9 3f 48 89 ce e9 fa fe ff ff 49 c7 45 18 ea ff ff ff be 01 00>
janv. 16 09:25:02 server.domain.tld kernel: RIP: e030:xen_mc_flush+0x1a6/0x1d0
janv. 16 09:25:02 server.domain.tld kernel: CPU: 1 PID: 1426643 Comm: bash Not tainted 5.5.4-050504-generic #202002150446
janv. 16 09:25:02 server.domain.tld kernel: Modules linked in: ipt_REJECT nf_reject_ipv4 xt_tcpudp xt_multiport iptable_filter bpfilter intel_rapl_msr intel_rapl_common >
janv. 16 09:25:02 server.domain.tld kernel: WARNING: CPU: 1 PID: 1426643 at arch/x86/xen/multicalls.c:102 xen_mc_flush+0x1a6/0x1d0
My host is Gandi.net and the server is virtualized (if it can help)

I also changed the kernel from a 5.4 to 5.5.4 to test if the issue could comes from it, but no : the crashs are still there...

Any idea what could I do now ?
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