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Date: Sat, 16 Sep 2023 02:11:53 +0300 From: Martin Zaharinov <micron10@...il.com> To: netdev <netdev@...r.kernel.org> Cc: Eric Dumazet <edumazet@...gle.com>, Paolo Abeni <pabeni@...hat.com>, patchwork-bot+netdevbpf@...nel.org, Jakub Kicinski <kuba@...nel.org>, Stephen Hemminger <stephen@...workplumber.org>, kuba+netdrv@...nel.org, dsahern@...il.com Subject: Re: Urgent Bug Report Kernel crash 6.5.2 one more log: Sep 12 07:37:29 [151563.298466][ C5] ------------[ cut here ]------------ Sep 12 07:37:29 [151563.298550][ C5] rcuref - imbalanced put() Sep 12 07:37:29 [151563.298564][ C5] WARNING: CPU: 5 PID: 0 at lib/rcuref.c:267 rcuref_put_slowpath (lib/rcuref.c:267 (discriminator 1)) Sep 12 07:37:29 [151563.298724][ C5] Modules linked in: nft_limit nf_conntrack_netlink vlan_mon(O) pppoe pppox ppp_generic slhc nft_ct nft_nat nft_chain_nat nf_tables netconsole coretemp bonding i40e nf_nat_sip nf_conntrack_sip nf_nat_pptp nf_conntrack_pptp nf_nat_tftp nf_conntrack_tftp nf_nat_ftp nf_conntrack_ftp nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nf_xnatlog(O) ipmi_si ipmi_devintf ipmi_msghandler rtc_cmos [last unloaded: BNGBOOT(O)] Sep 12 07:37:29 [151563.298894][ C5] CPU: 5 PID: 0 Comm: swapper/5 Tainted: G O 6.5.2 #1 Sep 12 07:37:29 [151563.298975][ C5] Hardware name: Supermicro SYS-5038MR-H8TRF/X10SRD-F, BIOS 3.3 10/28/2020 Sep 12 07:37:29 [151563.299091][ C5] RIP: 0010:rcuref_put_slowpath (lib/rcuref.c:267 (discriminator 1)) Sep 12 07:37:29 [151563.299185][ C5] Code: 31 c0 eb e2 80 3d c7 b8 e6 00 00 74 0a c7 03 00 00 00 e0 31 c0 eb cf 48 c7 c7 9b f5 e2 9f c6 05 ad b8 e6 00 01 e8 01 7b c7 ff <0f> 0b eb df cc cc cc cc cc cc cc cc cc cc cc cc cc 48 89 fa 83 e2 All code ======== 0: 31 c0 xor %eax,%eax 2: eb e2 jmp 0xffffffffffffffe6 4: 80 3d c7 b8 e6 00 00 cmpb $0x0,0xe6b8c7(%rip) # 0xe6b8d2 b: 74 0a je 0x17 d: c7 03 00 00 00 e0 movl $0xe0000000,(%rbx) 13: 31 c0 xor %eax,%eax 15: eb cf jmp 0xffffffffffffffe6 17: 48 c7 c7 9b f5 e2 9f mov $0xffffffff9fe2f59b,%rdi 1e: c6 05 ad b8 e6 00 01 movb $0x1,0xe6b8ad(%rip) # 0xe6b8d2 25: e8 01 7b c7 ff call 0xffffffffffc77b2b 2a:* 0f 0b ud2 <-- trapping instruction 2c: eb df jmp 0xd 2e: cc int3 2f: cc int3 30: cc int3 31: cc int3 32: cc int3 33: cc int3 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: cc int3 39: cc int3 3a: cc int3 3b: 48 89 fa mov %rdi,%rdx 3e: 83 .byte 0x83 3f: e2 .byte 0xe2 Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: eb df jmp 0xffffffffffffffe3 4: cc int3 5: cc int3 6: cc int3 7: cc int3 8: cc int3 9: cc int3 a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: cc int3 f: cc int3 10: cc int3 11: 48 89 fa mov %rdi,%rdx 14: 83 .byte 0x83 15: e2 .byte 0xe2 Sep 12 07:37:29 [151563.299344][ C5] RSP: 0018:ffffad0e0033cde8 EFLAGS: 00010296 Sep 12 07:37:29 [151563.299440][ C5] RAX: 0000000000000019 RBX: ffffa10ba37ce100 RCX: 00000000fff7ffff Sep 12 07:37:29 [151563.299558][ C5] RDX: 00000000fff7ffff RSI: 0000000000000001 RDI: 00000000ffffffea Sep 12 07:37:29 [151563.299677][ C5] RBP: ffffa10b05c76000 R08: 0000000000000000 R09: 00000000fff7ffff Sep 12 07:37:29 [151563.299796][ C5] R10: ffffa1125ae00000 R11: 0000000000000003 R12: ffffa10b5f1a4ec0 Sep 12 07:37:29 [151563.299914][ C5] R13: 0000000000000000 R14: 0000000000000258 R15: ffffad0e0033cf60 Sep 12 07:37:29 [151563.300030][ C5] FS: 0000000000000000(0000) GS:ffffa1125f740000(0000) knlGS:0000000000000000 Sep 12 07:37:29 [151563.300152][ C5] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Sep 12 07:37:29 [151563.300248][ C5] CR2: 00007fade7f56d40 CR3: 000000010088e005 CR4: 00000000003706e0 Sep 12 07:37:29 [151563.300363][ C5] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 Sep 12 07:37:29 [151563.300478][ C5] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Sep 12 07:37:29 [151563.300593][ C5] Call Trace: Sep 12 07:37:29 [151563.300683][ C5] <IRQ> Sep 12 07:37:29 [151563.300769][ C5] ? __warn (kernel/panic.c:668) Sep 12 07:37:29 [151563.300861][ C5] ? report_bug (lib/bug.c:223) Sep 12 07:37:29 [151563.300952][ C5] ? handle_bug (arch/x86/kernel/traps.c:324) Sep 12 07:37:29 [151563.301043][ C5] ? exc_invalid_op (arch/x86/kernel/traps.c:345 (discriminator 1)) Sep 12 07:37:29 [151563.301134][ C5] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) Sep 12 07:37:29 [151563.301225][ C5] ? rcuref_put_slowpath (lib/rcuref.c:267 (discriminator 1)) Sep 12 07:37:29 [151563.301319][ C5] ? rcuref_put_slowpath (lib/rcuref.c:267 (discriminator 1)) Sep 12 07:37:29 [151563.301412][ C5] dst_release (./include/linux/rcuref.h:151 net/core/dst.c:166) Sep 12 07:37:29 [151563.301502][ C5] __dev_queue_xmit (net/core/dev.c:4138) Sep 12 07:37:29 [151563.301595][ C5] ? eth_header (net/ethernet/eth.c:83) Sep 12 07:37:29 [151563.301686][ C5] ip_finish_output2 (./include/net/neighbour.h:327 ./include/net/sock.h:2251 net/ipv4/ip_output.c:228) Sep 12 07:37:29 [151563.301778][ C5] process_backlog (net/core/dev.c:5451 net/core/dev.c:5566 net/core/dev.c:5895) Sep 12 07:37:29 [151563.301871][ C5] __napi_poll+0x20/0x180 Sep 12 07:37:29 [151563.301964][ C5] net_rx_action (net/core/dev.c:5839 net/core/dev.c:5860 net/core/dev.c:6684) Sep 12 07:37:29 [151563.302057][ C5] __do_softirq (./arch/x86/include/asm/bitops.h:319 kernel/softirq.c:550) Sep 12 07:37:29 [151563.302150][ C5] do_softirq (kernel/softirq.c:463 (discriminator 32)) Sep 12 07:37:29 [151563.302240][ C5] </IRQ> Sep 12 07:37:29 [151563.302326][ C5] <TASK> Sep 12 07:37:29 [151563.302416][ C5] flush_smp_call_function_queue (kernel/smp.c:563 (discriminator 1)) Sep 12 07:37:29 [151563.302518][ C5] do_idle (kernel/sched/idle.c:295) Sep 12 07:37:29 [151563.302612][ C5] cpu_startup_entry (kernel/sched/idle.c:379 (discriminator 1)) Sep 12 07:37:29 [151563.302707][ C5] start_secondary (arch/x86/kernel/smpboot.c:326) Sep 12 07:37:29 [151563.302805][ C5] secondary_startup_64_no_verify (arch/x86/kernel/head_64.S:441) Sep 12 07:37:29 [151563.302900][ C5] </TASK> Sep 12 07:37:29 [151563.302986][ C5] ---[ end trace 0000000000000000 ]--- Sep 15 04:32:29 [399661.971344][ C31] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) Sep 15 04:32:29 [399661.971470][ C31] BUG: unable to handle page fault for address: ffffa10c52d43058 Sep 15 04:32:29 [399661.971586][ C31] #PF: supervisor instruction fetch in kernel mode Sep 15 04:32:29 [399661.971680][ C31] #PF: error_code(0x0011) - permissions violation Sep 15 04:32:29 [399661.971775][ C31] PGD 12601067 P4D 12601067 PUD 80000002400001e3 Sep 15 04:32:29 [399661.971871][ C31] Oops: 0011 [#1] PREEMPT SMP Sep 15 04:32:29 [399661.971963][ C31] CPU: 31 PID: 0 Comm: swapper/31 Tainted: G W O 6.5.2 #1 Sep 15 04:32:29 [399661.972079][ C31] Hardware name: Supermicro SYS-5038MR-H8TRF/X10SRD-F, BIOS 3.3 10/28/2020 Sep 15 04:32:29 [399661.972197][ C31] RIP: 0010:0xffffa10c52d43058 Sep 15 04:32:29 [399661.972289][ C31] Code: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <00> 00 00 00 00 00 00 00 58 30 d4 52 0c a1 ff ff 00 00 00 00 00 00 All code ======== ... 30: 00 00 add %al,(%rax) 32: 58 pop %rax 33: 30 d4 xor %dl,%ah 35:* 52 push %rdx <-- trapping instruction 36: 0c a1 or $0xa1,%al 38: ff (bad) 39: ff 00 incl (%rax) 3b: 00 00 add %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== ... 8: 58 pop %rax 9: 30 d4 xor %dl,%ah b: 52 push %rdx c: 0c a1 or $0xa1,%al e: ff (bad) f: ff 00 incl (%rax) 11: 00 00 add %al,(%rax) 13: 00 00 add %al,(%rax) ... Sep 15 04:32:29 [399661.972448][ C31] RSP: 0018:ffffad0e0097ccc8 EFLAGS: 00010282 Sep 15 04:32:29 [399661.972543][ C31] RAX: ffffa10c52d43058 RBX: ffffa10c52d43000 RCX: 0000000000000000 Sep 15 04:32:29 [399661.972659][ C31] RDX: 0000000000002712 RSI: 0000000000000246 RDI: ffffa10c52d43000 Sep 15 04:32:29 [399661.972774][ C31] RBP: ffffa10c52d43000 R08: 0000000127a83c46 R09: 0000000000004d8c Sep 15 04:32:29 [399661.972889][ C31] R10: ffffe840ca0f7c00 R11: 0000000000000000 R12: ffffa10c8e764d80 Sep 15 04:32:29 [399661.973005][ C31] R13: ffffa10c92b4c760 R14: 0000000000000058 R15: ffffa10c92b4c600 Sep 15 04:32:29 [399661.973123][ C31] FS: 0000000000000000(0000) GS:ffffa1125fdc0000(0000) knlGS:0000000000000000 Sep 15 04:32:29 [399661.973244][ C31] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Sep 15 04:32:29 [399661.973338][ C31] CR2: ffffa10c52d43058 CR3: 00000001059b8001 CR4: 00000000003706e0 Sep 15 04:32:29 [399661.973454][ C31] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 Sep 15 04:32:29 [399661.973569][ C31] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Sep 15 04:32:29 [399661.973684][ C31] Call Trace: Sep 15 04:32:29 [399661.973773][ C31] <IRQ> Sep 15 04:32:29 [399661.973859][ C31] ? __die (arch/x86/kernel/dumpstack.c:478 (discriminator 1) arch/x86/kernel/dumpstack.c:465 (discriminator 1) arch/x86/kernel/dumpstack.c:420 (discriminator 1) arch/x86/kernel/dumpstack.c:434 (discriminator 1)) Sep 15 04:32:29 [399661.973949][ C31] ? page_fault_oops (arch/x86/mm/fault.c:703) Sep 15 04:32:29 [399661.974043][ C31] ? exc_page_fault (arch/x86/mm/fault.c:48 (discriminator 2) arch/x86/mm/fault.c:1479 (discriminator 2) arch/x86/mm/fault.c:1542 (discriminator 2)) Sep 15 04:32:29 [399661.974136][ C31] ? asm_exc_page_fault (./arch/x86/include/asm/idtentry.h:570) Sep 15 04:32:29 [399661.974228][ C31] ? kfree_skb_reason (net/core/skbuff.c:1006 net/core/skbuff.c:1022 net/core/skbuff.c:1058) Sep 15 04:32:29 [399661.974321][ C31] ? tcp_mtu_probe (./include/net/sock.h:1627 (discriminator 1) net/ipv4/tcp_output.c:2338 (discriminator 1) net/ipv4/tcp_output.c:2463 (discriminator 1)) Sep 15 04:32:29 [399661.974416][ C31] ? tcp_write_xmit (net/ipv4/tcp_output.c:2678) Sep 15 04:32:29 [399661.974509][ C31] ? __tcp_push_pending_frames (net/ipv4/tcp_output.c:2940 (discriminator 1)) Sep 15 04:32:29 [399661.974603][ C31] ? tcp_rcv_established (net/ipv4/tcp_input.c:5626 net/ipv4/tcp_input.c:5620 net/ipv4/tcp_input.c:6066) Sep 15 04:32:29 [399661.974695][ C31] ? sk_filter_trim_cap (./include/linux/rcupdate.h:781 net/core/filter.c:157) Sep 15 04:32:29 [399661.974787][ C31] ? tcp_v4_do_rcv (net/ipv4/tcp_ipv4.c:1728) Sep 15 04:32:29 [399661.974877][ C31] ? tcp_v4_rcv (./include/net/tcp.h:2342 (discriminator 1) net/ipv4/tcp_ipv4.c:2147 (discriminator 1)) Sep 15 04:32:29 [399661.974968][ C31] ? ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205) Sep 15 04:32:29 [399661.975062][ C31] ? ip_local_deliver_finish (net/ipv4/ip_input.c:233 (discriminator 1)) Sep 15 04:32:29 [399661.976257][ C31] ? process_backlog (net/core/dev.c:5451 net/core/dev.c:5566 net/core/dev.c:5895) Sep 15 04:32:29 [399661.976352][ C31] ? __napi_poll+0x20/0x180 Sep 15 04:32:29 [399661.976442][ C31] ? net_rx_action (net/core/dev.c:5839 net/core/dev.c:5860 net/core/dev.c:6684) Sep 15 04:32:29 [399661.976534][ C31] ? __do_softirq (./arch/x86/include/asm/bitops.h:319 kernel/softirq.c:550) Sep 15 04:32:29 [399661.976626][ C31] ? do_softirq (kernel/softirq.c:463 (discriminator 32)) Sep 15 04:32:29 [399661.976718][ C31] </IRQ> Sep 15 04:32:29 [399661.976805][ C31] <TASK> Sep 15 04:32:29 [399661.976890][ C31] ? flush_smp_call_function_queue (kernel/smp.c:563 (discriminator 1)) Sep 15 04:32:29 [399661.976988][ C31] ? do_idle (kernel/sched/idle.c:295) Sep 15 04:32:29 [399661.977078][ C31] ? cpu_startup_entry (kernel/sched/idle.c:379 (discriminator 1)) Sep 15 04:32:29 [399661.977168][ C31] ? start_secondary (arch/x86/kernel/smpboot.c:326) Sep 15 04:32:29 [399661.977262][ C31] ? secondary_startup_64_no_verify (arch/x86/kernel/head_64.S:441) Sep 15 04:32:29 [399661.977359][ C31] </TASK> Sep 15 04:32:29 [399661.977448][ C31] Modules linked in: nft_limit nf_conntrack_netlink vlan_mon(O) pppoe pppox ppp_generic slhc nft_ct nft_nat nft_chain_nat nf_tables netconsole coretemp bonding i40e nf_nat_sip nf_conntrack_sip nf_nat_pptp nf_conntrack_pptp nf_nat_tftp nf_conntrack_tftp nf_nat_ftp nf_conntrack_ftp nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nf_xnatlog(O) ipmi_si ipmi_devintf ipmi_msghandler rtc_cmos [last unloaded: BNGBOOT(O)] Sep 15 04:32:29 [399661.977720][ C31] CR2: ffffa10c52d43058 Sep 15 04:32:29 [399661.977809][ C31] ---[ end trace 0000000000000000 ]--- Sep 15 04:32:29 [399661.977901][ C31] RIP: 0010:0xffffa10c52d43058 Sep 15 04:32:29 [399661.977992][ C31] Code: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <00> 00 00 00 00 00 00 00 58 30 d4 52 0c a1 ff ff 00 00 00 00 00 00 All code ======== ... 30: 00 00 add %al,(%rax) 32: 58 pop %rax 33: 30 d4 xor %dl,%ah 35:* 52 push %rdx <-- trapping instruction 36: 0c a1 or $0xa1,%al 38: ff (bad) 39: ff 00 incl (%rax) 3b: 00 00 add %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== ... 8: 58 pop %rax 9: 30 d4 xor %dl,%ah b: 52 push %rdx c: 0c a1 or $0xa1,%al e: ff (bad) f: ff 00 incl (%rax) 11: 00 00 add %al,(%rax) 13: 00 00 add %al,(%rax) ... Sep 15 04:32:29 [399661.978150][ C31] RSP: 0018:ffffad0e0097ccc8 EFLAGS: 00010282 Sep 15 04:32:29 [399661.978243][ C31] RAX: ffffa10c52d43058 RBX: ffffa10c52d43000 RCX: 0000000000000000 Sep 15 04:32:29 [399661.978358][ C31] RDX: 0000000000002712 RSI: 0000000000000246 RDI: ffffa10c52d43000 Sep 15 04:32:29 [399661.978472][ C31] RBP: ffffa10c52d43000 R08: 0000000127a83c46 R09: 0000000000004d8c Sep 15 04:32:29 [399661.978587][ C31] R10: ffffe840ca0f7c00 R11: 0000000000000000 R12: ffffa10c8e764d80 Sep 15 04:32:29 [399661.978702][ C31] R13: ffffa10c92b4c760 R14: 0000000000000058 R15: ffffa10c92b4c600 Sep 15 04:32:29 [399661.978818][ C31] FS: 0000000000000000(0000) GS:ffffa1125fdc0000(0000) knlGS:0000000000000000 Sep 15 04:32:29 [399661.978940][ C31] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Sep 15 04:32:29 [399661.979036][ C31] CR2: ffffa10c52d43058 CR3: 00000001059b8001 CR4: 00000000003706e0 Sep 15 04:32:29 [399661.979150][ C31] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 Sep 15 04:32:29 [399661.979265][ C31] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Sep 15 04:32:29 [399661.979381][ C31] Kernel panic - not syncing: Fatal exception in interrupt Sep 15 04:32:29 [399662.084038][ C31] Kernel Offset: 0x1e000000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) Sep 15 04:32:29 [399662.084162][ C31] Rebooting in 10 seconds.. > On 16 Sep 2023, at 2:00, Martin Zaharinov <micron10@...il.com> wrote: > > Ok fix > one note this is kernel 6.5.3 … > > > see log now : > > > [40915.530445] ------------[ cut here ]------------ > [40915.530529] rcuref - imbalanced put() > [40915.530540] WARNING: CPU: 7 PID: 0 at lib/rcuref.c:267 rcuref_put_slowpath (lib/rcuref.c:267 (discriminator 1)) > [40915.530698] Modules linked in: nf_conntrack_netlink nft_limit pppoe pppox ppp_generic slhc nft_ct nft_nat nft_chain_nat nf_tables netconsole coretemp bonding ixgbe mdio nf_nat_sip nf_conntrack_sip nf_nat_pptp nf_conntrack_pptp nf_nat_tftp nf_conntrack_tftp nf_nat_ftp nf_conntrack_ftp nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ipmi_si ipmi_devintf ipmi_msghandler rtc_cmos > [40915.530899] CPU: 7 PID: 0 Comm: swapper/7 Tainted: G O 6.5.3 #1 > [40915.531018] Hardware name: Supermicro SYS-5038MR-H8TRF/X10SRD-F, BIOS 3.3 10/28/2020 > [40915.531137] RIP: 0010:rcuref_put_slowpath (lib/rcuref.c:267 (discriminator 1)) > [40915.531230] Code: 31 c0 eb e2 80 3d c6 ae e6 00 00 74 0a c7 03 00 00 00 e0 31 c0 eb cf 48 c7 c7 68 f6 e2 8e c6 05 ac ae e6 00 01 e8 11 71 c7 ff <0f> 0b eb df cc cc cc cc cc cc cc cc cc cc cc cc cc 48 89 fa 83 e2 > All code > ======== > 0: 31 c0 xor %eax,%eax > 2: eb e2 jmp 0xffffffffffffffe6 > 4: 80 3d c6 ae e6 00 00 cmpb $0x0,0xe6aec6(%rip) # 0xe6aed1 > b: 74 0a je 0x17 > d: c7 03 00 00 00 e0 movl $0xe0000000,(%rbx) > 13: 31 c0 xor %eax,%eax > 15: eb cf jmp 0xffffffffffffffe6 > 17: 48 c7 c7 68 f6 e2 8e mov $0xffffffff8ee2f668,%rdi > 1e: c6 05 ac ae e6 00 01 movb $0x1,0xe6aeac(%rip) # 0xe6aed1 > 25: e8 11 71 c7 ff call 0xffffffffffc7713b > 2a:* 0f 0b ud2 <-- trapping instruction > 2c: eb df jmp 0xd > 2e: cc int3 > 2f: cc int3 > 30: cc int3 > 31: cc int3 > 32: cc int3 > 33: cc int3 > 34: cc int3 > 35: cc int3 > 36: cc int3 > 37: cc int3 > 38: cc int3 > 39: cc int3 > 3a: cc int3 > 3b: 48 89 fa mov %rdi,%rdx > 3e: 83 .byte 0x83 > 3f: e2 .byte 0xe2 > > Code starting with the faulting instruction > =========================================== > 0: 0f 0b ud2 > 2: eb df jmp 0xffffffffffffffe3 > 4: cc int3 > 5: cc int3 > 6: cc int3 > 7: cc int3 > 8: cc int3 > 9: cc int3 > a: cc int3 > b: cc int3 > c: cc int3 > d: cc int3 > e: cc int3 > f: cc int3 > 10: cc int3 > 11: 48 89 fa mov %rdi,%rdx > 14: 83 .byte 0x83 > 15: e2 .byte 0xe2 > [40915.531389] RSP: 0018:ffffa62680318de8 EFLAGS: 00010296 > [40915.531487] RAX: 0000000000000019 RBX: ffff982f02950c40 RCX: 00000000fffbffff > [40915.531605] RDX: 00000000fffbffff RSI: 0000000000000001 RDI: 00000000ffffffea > [40915.531721] RBP: ffff982e467d2000 R08: 0000000000000000 R09: 00000000fffbffff > [40915.531839] R10: ffff98359d600000 R11: 0000000000000003 R12: ffff982f044e16c0 > [40915.531956] R13: 0000000000000000 R14: 0000000000000258 R15: ffffa62680318f60 > [40915.532075] FS: 0000000000000000(0000) GS:ffff98359fbc0000(0000) knlGS:0000000000000000 > [40915.532195] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > [40915.532291] CR2: 00005593eb3ff078 CR3: 0000000179f6e001 CR4: 00000000003706e0 > [40915.532409] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 > [40915.532526] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 > [40915.532645] Call Trace: > [40915.532736] <IRQ> > [40915.532824] ? __warn (kernel/panic.c:668) > [40915.532918] ? report_bug (lib/bug.c:223) > [40915.533011] ? handle_bug (arch/x86/kernel/traps.c:324) > [40915.533104] ? exc_invalid_op (arch/x86/kernel/traps.c:345 (discriminator 1)) > [40915.533198] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) > [40915.533294] ? rcuref_put_slowpath (lib/rcuref.c:267 (discriminator 1)) > [40915.533389] ? rcuref_put_slowpath (lib/rcuref.c:267 (discriminator 1)) > [40915.533482] dst_release (./include/linux/rcuref.h:151 net/core/dst.c:166) > [40915.533576] __dev_queue_xmit (net/core/dev.c:4138) > [40915.533671] ? eth_header (net/ethernet/eth.c:83) > [40915.533766] ip_finish_output2 (./include/net/neighbour.h:544 net/ipv4/ip_output.c:230) > [40915.533863] process_backlog (net/core/dev.c:5451 net/core/dev.c:5566 net/core/dev.c:5895) > [40915.533958] __napi_poll+0x20/0x180 > [40915.534050] net_rx_action (net/core/dev.c:5839 net/core/dev.c:5860 net/core/dev.c:6684) > [40915.534140] __do_softirq (./arch/x86/include/asm/bitops.h:319 kernel/softirq.c:550) > [40915.534233] do_softirq (kernel/softirq.c:463 (discriminator 32)) > [40915.534326] </IRQ> > [40915.534413] <TASK> > [40915.534503] flush_smp_call_function_queue (kernel/smp.c:563 (discriminator 1)) > [40915.534597] do_idle (kernel/sched/idle.c:295) > [40915.534687] cpu_startup_entry (kernel/sched/idle.c:379 (discriminator 1)) > [40915.534778] start_secondary (arch/x86/kernel/smpboot.c:326) > [40915.534871] secondary_startup_64_no_verify (arch/x86/kernel/head_64.S:441) > [40915.534968] </TASK> > [40915.535057] ---[ end trace 0000000000000000 ]--- > >> On 15 Sep 2023, at 7:05, Martin Zaharinov <micron10@...il.com> wrote: >> >> Hi All >> This is report from kernel 6.5.2 after 4 day up system hang and reboot after this error : >> >> >> >> Sep 15 04:32:29 205.254.184.12 [399661.971344][ C31] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) >> Sep 15 04:32:29 205.254.184.12 [399661.971470][ C31] BUG: unable to handle page fault for address: ffffa10c52d43058 >> Sep 15 04:32:29 205.254.184.12 [399661.971586][ C31] #PF: supervisor instruction fetch in kernel mode >> Sep 15 04:32:29 205.254.184.12 [399661.971680][ C31] #PF: error_code(0x0011) - permissions violation >> Sep 15 04:32:29 205.254.184.12 [399661.971775][ C31] PGD 12601067 P4D 12601067 PUD 80000002400001e3 >> Sep 15 04:32:29 205.254.184.12 [399661.971871][ C31] Oops: 0011 [#1] PREEMPT SMP >> Sep 15 04:32:29 205.254.184.12 [399661.971963][ C31] CPU: 31 PID: 0 Comm: swapper/31 Tainted: G W O 6.5.2 #1 >> Sep 15 04:32:29 205.254.184.12 [399661.972079][ C31] Hardware name: Supermicro SYS-5038MR-H8TRF/X10SRD-F, BIOS 3.3 10/28/2020 >> Sep 15 04:32:29 205.254.184.12 [399661.972197][ C31] RIP: 0010:0xffffa10c52d43058 >> Sep 15 04:32:29 205.254.184.12 [399661.972289][ C31] Code: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <00> 00 00 00 00 00 00 00 58 30 d4 52 0c a1 ff ff 00 00 00 00 00 00 >> Sep 15 04:32:29 205.254.184.12 [399661.972448][ C31] RSP: 0018:ffffad0e0097ccc8 EFLAGS: 00010282 >> Sep 15 04:32:29 205.254.184.12 [399661.972543][ C31] RAX: ffffa10c52d43058 RBX: ffffa10c52d43000 RCX: 0000000000000000 >> Sep 15 04:32:29 205.254.184.12 [399661.972659][ C31] RDX: 0000000000002712 RSI: 0000000000000246 RDI: ffffa10c52d43000 >> Sep 15 04:32:29 205.254.184.12 [399661.972774][ C31] RBP: ffffa10c52d43000 R08: 0000000127a83c46 R09: 0000000000004d8c >> Sep 15 04:32:29 205.254.184.12 [399661.972889][ C31] R10: ffffe840ca0f7c00 R11: 0000000000000000 R12: ffffa10c8e764d80 >> Sep 15 04:32:29 205.254.184.12 [399661.973005][ C31] R13: ffffa10c92b4c760 R14: 0000000000000058 R15: ffffa10c92b4c600 >> Sep 15 04:32:29 205.254.184.12 [399661.973123][ C31] FS: 0000000000000000(0000) GS:ffffa1125fdc0000(0000) knlGS:0000000000000000 >> Sep 15 04:32:29 205.254.184.12 [399661.973244][ C31] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 >> Sep 15 04:32:29 205.254.184.12 [399661.973338][ C31] CR2: ffffa10c52d43058 CR3: 00000001059b8001 CR4: 00000000003706e0 >> Sep 15 04:32:29 205.254.184.12 [399661.973454][ C31] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 >> Sep 15 04:32:29 205.254.184.12 [399661.973569][ C31] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 >> Sep 15 04:32:29 205.254.184.12 [399661.973684][ C31] Call Trace: >> Sep 15 04:32:29 205.254.184.12 [399661.973773][ C31] <IRQ> >> Sep 15 04:32:29 205.254.184.12 [399661.973859][ C31] ? __die+0xe4/0xf0 >> Sep 15 04:32:29 205.254.184.12 [399661.973949][ C31] ? page_fault_oops+0x144/0x3e0 >> Sep 15 04:32:29 205.254.184.12 [399661.974043][ C31] ? exc_page_fault+0x92/0xa0 >> Sep 15 04:32:29 205.254.184.12 [399661.974136][ C31] ? asm_exc_page_fault+0x22/0x30 >> Sep 15 04:32:29 205.254.184.12 [399661.974228][ C31] ? kfree_skb_reason+0x33/0xf0 >> Sep 15 04:32:29 205.254.184.12 [399661.974321][ C31] ? tcp_mtu_probe+0x3a6/0x7b0 >> Sep 15 04:32:29 205.254.184.12 [399661.974416][ C31] ? tcp_write_xmit+0x7fa/0x1410 >> Sep 15 04:32:29 205.254.184.12 [399661.974509][ C31] ? __tcp_push_pending_frames+0x2d/0xb0 >> Sep 15 04:32:29 205.254.184.12 [399661.974603][ C31] ? tcp_rcv_established+0x381/0x610 >> Sep 15 04:32:29 205.254.184.12 [399661.974695][ C31] ? sk_filter_trim_cap+0xc6/0x1c0 >> Sep 15 04:32:29 205.254.184.12 [399661.974787][ C31] ? tcp_v4_do_rcv+0x11f/0x1f0 >> Sep 15 04:32:29 205.254.184.12 [399661.974877][ C31] ? tcp_v4_rcv+0xfa1/0x1010 >> Sep 15 04:32:29 205.254.184.12 [399661.974968][ C31] ? ip_protocol_deliver_rcu+0x1b/0x270 >> Sep 15 04:32:29 205.254.184.12 [399661.975062][ C31] ? ip_local_deliver_finish+0x6d/0x90 >> Sep 15 04:32:29 205.254.184.12 [399661.976257][ C31] ? process_backlog+0x10c/0x230 >> Sep 15 04:32:29 205.254.184.12 [399661.976352][ C31] ? __napi_poll+0x20/0x180 >> Sep 15 04:32:29 205.254.184.12 [399661.976442][ C31] ? net_rx_action+0x2a4/0x390 >> Sep 15 04:32:29 205.254.184.12 [399661.976534][ C31] ? __do_softirq+0xd0/0x202 >> Sep 15 04:32:29 205.254.184.12 [399661.976626][ C31] ? do_softirq+0x3a/0x50 >> Sep 15 04:32:29 205.254.184.12 [399661.976718][ C31] </IRQ> >> Sep 15 04:32:29 205.254.184.12 [399661.976805][ C31] <TASK> >> Sep 15 04:32:29 205.254.184.12 [399661.976890][ C31] ? flush_smp_call_function_queue+0x3f/0x50 >> Sep 15 04:32:29 205.254.184.12 [399661.976988][ C31] ? do_idle+0x14d/0x210 >> Sep 15 04:32:29 205.254.184.12 [399661.977078][ C31] ? cpu_startup_entry+0x14/0x20 >> Sep 15 04:32:29 205.254.184.12 [399661.977168][ C31] ? start_secondary+0xe1/0xf0 >> Sep 15 04:32:29 205.254.184.12 [399661.977262][ C31] ? secondary_startup_64_no_verify+0x167/0x16b >> Sep 15 04:32:29 205.254.184.12 [399661.977359][ C31] </TASK> >> Sep 15 04:32:29 205.254.184.12 [399661.977448][ C31] Modules linked in: nft_limit nf_conntrack_netlink pppoe pppox ppp_generic slhc nft_ct nft_nat nft_chain_nat nf_tables netconsole coretemp bonding i40e nf_nat_sip nf_conntrack_sip nf_nat_pptp nf_conntrack_pptp nf_nat_tftp nf_conntrack_tftp nf_nat_ftp nf_conntrack_ftp nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ipmi_si ipmi_devintf ipmi_msghandler rtc_cmos >> Sep 15 04:32:29 205.254.184.12 [399661.977720][ C31] CR2: ffffa10c52d43058 >> Sep 15 04:32:29 205.254.184.12 [399661.977809][ C31] ---[ end trace 0000000000000000 ]--- >> Sep 15 04:32:29 205.254.184.12 [399661.977901][ C31] RIP: 0010:0xffffa10c52d43058 >> Sep 15 04:32:29 205.254.184.12 [399661.977992][ C31] Code: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <00> 00 00 00 00 00 00 00 58 30 d4 52 0c a1 ff ff 00 00 00 00 00 00 >> Sep 15 04:32:29 205.254.184.12 [399661.978150][ C31] RSP: 0018:ffffad0e0097ccc8 EFLAGS: 00010282 >> Sep 15 04:32:29 205.254.184.12 [399661.978243][ C31] RAX: ffffa10c52d43058 RBX: ffffa10c52d43000 RCX: 0000000000000000 >> Sep 15 04:32:29 205.254.184.12 [399661.978358][ C31] RDX: 0000000000002712 RSI: 0000000000000246 RDI: ffffa10c52d43000 >> Sep 15 04:32:29 205.254.184.12 [399661.978472][ C31] RBP: ffffa10c52d43000 R08: 0000000127a83c46 R09: 0000000000004d8c >> Sep 15 04:32:29 205.254.184.12 [399661.978587][ C31] R10: ffffe840ca0f7c00 R11: 0000000000000000 R12: ffffa10c8e764d80 >> Sep 15 04:32:29 205.254.184.12 [399661.978702][ C31] R13: ffffa10c92b4c760 R14: 0000000000000058 R15: ffffa10c92b4c600 >> Sep 15 04:32:29 205.254.184.12 [399661.978818][ C31] FS: 0000000000000000(0000) GS:ffffa1125fdc0000(0000) knlGS:0000000000000000 >> Sep 15 04:32:29 205.254.184.12 [399661.978940][ C31] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 >> Sep 15 04:32:29 205.254.184.12 [399661.979036][ C31] CR2: ffffa10c52d43058 CR3: 00000001059b8001 CR4: 00000000003706e0 >> Sep 15 04:32:29 205.254.184.12 [399661.979150][ C31] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 >> Sep 15 04:32:29 205.254.184.12 [399661.979265][ C31] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 >> Sep 15 04:32:29 205.254.184.12 [399661.979381][ C31] Kernel panic - not syncing: Fatal exception in interrupt >> Sep 15 04:32:29 205.254.184.12 [399662.084038][ C31] Kernel Offset: 0x1e000000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) >> Sep 15 04:32:29 205.254.184.12 [399662.084162][ C31] Rebooting in 10 seconds.. >> >> >> Please if find fix update me . >> >> m. > >
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