Re: lldpd (base) Abort trap

no need to guess, just build from source so you know what's in it

-- 
  Sent from a phone, apologies for poor formatting.

On 24 August 2026 23:13:16 [email protected] wrote:

> On 2026-08-23 0:47:54, Theo wrote:
>> Probably this.
>>
>> static void
>> rtsock_if_attach(struct lldpd *lldpd, const struct if_announcemsghdr *ifan)
>> {
>> ...
>>         if (ioctl(lldpd->s, SIOCGIFDATA, &ifr) == -1) {
>>
>>
>> This may help, please test and let me know.
>
> If I'm testing again too soon my apologizes.
> I saw the commit messages yesterday and had
> guessed today's snapshot would include them.
>
> Build date: 1787596504 - Mon Aug 24 18:35:04 UTC 2026
>
> # lldpd -d
> lldpd: vio0 index 1
> lldpd: route message: 26 bytes
> lldpd: tap0 index 5: attached
> lldpd[62612]: pledge "inet", syscall 105
> Abort trap
> #
>
> Testing doesn't need a VM (I need a VM to run -current for testing).
> It's just starting lldpd and using ifconfig to create a tap interface to 
> trigger the bug.
>
> My host is 7.9-release, the vm is 8.0-beta (current amd64 snapshot).
> It was only recently that I realized How-To-Repeat could be reduced
> to just creating a tap interface (vs starting a vm which I cannot do inside 
> a vm)
>
> My hosts's dmesg: (if it helps any)
> OpenBSD 7.9 (GENERIC.MP) #8: Fri Aug 21 13:32:14 MDT 2026
>    [email protected]:/usr/src/sys/arch/amd64/compile/GENERIC.MP
> real mem = 103052140544 (98278MB)
> avail mem = 99900698624 (95272MB)
> random: good seed from bootblocks
> mpath0 at root
> scsibus0 at mpath0: 256 targets
> mainbus0 at root
> bios0 at mainbus0: SMBIOS rev. 2.7 @ 0xdf7fe000 (127 entries)
> bios0: vendor HP version "P68" date 05/21/2018
> bios0: HP ProLiant DL360 G7
> acpi0 at bios0: ACPI 3.0
> acpi0: sleep states S0 S4 S5
> acpi0: tables DSDT FACP SPCR MCFG HPET FFFF SPMI ERST APIC SRAT FFFF BERT 
> HEST DMAR SSDT SSDT SSDT SSDT SSDT
> acpi0: wakeup devices
> acpitimer0 at acpi0: 3579545 Hz, 24 bits
> acpimcfg0 at acpi0
> acpimcfg0: addr 0xe0000000, bus 0-63
> acpihpet0 at acpi0: 14318179 Hz
> acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat
> cpu0 at mainbus0: apid 0 (boot processor)
> cpu0: Intel(R) Xeon(R) CPU L5640 @ 2.27GHz, 2266.77 MHz, 06-2c-02, patch 
> 0000001f
> cpu0: cpuid 1 
> edx=bfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE> 
> ecx=29ee3ff<SSE3,PCLMUL,DTES64,MWAIT,DS-CPL,VMX,SMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,PCID,DCA,SSE4.1,SSE4.2,POPCNT,AES>
> cpu0: cpuid 6 eax=5<SENSOR,ARAT> ecx=9<EFFFREQ>
> cpu0: cpuid 7.0 edx=9c000000<IBRS,IBPB,STIBP,L1DF,SSBD>
> cpu0: cpuid a vers=3, gp=4, gpwidth=48, ff=3, ffwidth=48
> cpu0: cpuid 80000001 edx=2c100800<NXE,PAGE1GB,RDTSCP,LONG> ecx=1<LAHF>
> cpu0: cpuid 80000007 edx=100<ITSC>
> cpu0: MELTDOWN
> cpu0: 32KB 64b/line 8-way D-cache, 32KB 64b/line 4-way I-cache, 256KB 
> 64b/line 8-way L2 cache, 12MB 64b/line 16-way L3 cache
> cpu0: smt 0, core 0, package 0, type P
> mtrr: Pentium Pro MTRR support, 10 var ranges, 88 fixed ranges
> cpu0: apic clock running at 133MHz
> cpu0: mwait min=64, max=64, C-substates=0.2.1.1, IBE
> cpu1 at mainbus0: apid 32 (application processor)
> cpu1: Intel(R) Xeon(R) CPU L5640 @ 2.27GHz, 2266.79 MHz, 06-2c-02, patch 
> 0000001f
> cpu1: smt 0, core 0, package 1, type P
> cpu2 at mainbus0: apid 16 (application processor)
> cpu2: Intel(R) Xeon(R) CPU L5640 @ 2.27GHz, 2266.77 MHz, 06-2c-02, patch 
> 0000001f
> cpu2: smt 0, core 8, package 0, type P
> cpu3 at mainbus0: apid 48 (application processor)
> cpu3: Intel(R) Xeon(R) CPU L5640 @ 2.27GHz, 2266.81 MHz, 06-2c-02, patch 
> 0000001f
> cpu3: smt 0, core 8, package 1, type P
> cpu4 at mainbus0: apid 4 (application processor)
> cpu4: Intel(R) Xeon(R) CPU L5640 @ 2.27GHz, 2266.84 MHz, 06-2c-02, patch 
> 0000001f
> cpu4: smt 0, core 2, package 0, type P
> cpu5 at mainbus0: apid 36 (application processor)
> cpu5: Intel(R) Xeon(R) CPU L5640 @ 2.27GHz, 2266.81 MHz, 06-2c-02, patch 
> 0000001f
> cpu5: smt 0, core 2, package 1, type P
> cpu6 at mainbus0: apid 20 (application processor)
> cpu6: Intel(R) Xeon(R) CPU L5640 @ 2.27GHz, 2266.91 MHz, 06-2c-02, patch 
> 0000001f
> cpu6: smt 0, core 10, package 0, type P
> cpu7 at mainbus0: apid 52 (application processor)
> cpu7: Intel(R) Xeon(R) CPU L5640 @ 2.27GHz, 2266.89 MHz, 06-2c-02, patch 
> 0000001f
> cpu7: smt 0, core 10, package 1, type P
> cpu8 at mainbus0: apid 2 (application processor)
> cpu8: Intel(R) Xeon(R) CPU L5640 @ 2.27GHz, 2266.80 MHz, 06-2c-02, patch 
> 0000001f
> cpu8: smt 0, core 1, package 0, type P
> cpu9 at mainbus0: apid 34 (application processor)
> cpu9: Intel(R) Xeon(R) CPU L5640 @ 2.27GHz, 2266.85 MHz, 06-2c-02, patch 
> 0000001f
> cpu9: smt 0, core 1, package 1, type P
> cpu10 at mainbus0: apid 18 (application processor)
> cpu10: Intel(R) Xeon(R) CPU L5640 @ 2.27GHz, 2266.92 MHz, 06-2c-02, patch 
> 0000001f
> cpu10: smt 0, core 9, package 0, type P
> cpu11 at mainbus0: apid 50 (application processor)
> cpu11: Intel(R) Xeon(R) CPU L5640 @ 2.27GHz, 2266.92 MHz, 06-2c-02, patch 
> 0000001f
> cpu11: smt 0, core 9, package 1, type P
> ioapic0 at mainbus0: apid 8 pa 0xfec00000, version 20, 24 pins
> ioapic1 at mainbus0: apid 0 pa 0xfec80000, version 20, 24 pins
> acpiprt0 at acpi0: bus 0 (PCI0)
> acpiprt1 at acpi0: bus 1 (IP2P)
> acpiprt2 at acpi0: bus 17 (IPT1)
> acpiprt3 at acpi0: bus -1 (IPT3)
> acpiprt4 at acpi0: bus 2 (IPT5)
> acpiprt5 at acpi0: bus 5 (PT01)
> acpiprt6 at acpi0: bus 9 (PT03)
> acpiprt7 at acpi0: bus 13 (PT04)
> acpiprt8 at acpi0: bus 14 (PT05)
> acpiprt9 at acpi0: bus 15 (PT06)
> acpiprt10 at acpi0: bus 3 (PT07)
> acpiprt11 at acpi0: bus 4 (PT08)
> acpiprt12 at acpi0: bus 6 (PT09)
> acpiprt13 at acpi0: bus 16 (PT0A)
> acpipci0 at acpi0 PCI0
> ipmi0 at acpi0: version 2.0 interface KCS iobase 0xca2/2 spacing 1
> "PNP0303" at acpi0 not configured
> "PNP0F13" at acpi0 not configured
> "PNP0A06" at acpi0 not configured
> com1 at acpi0 COMA addr 0x2f8/0x8 irq 3: ns16550a, 16 byte fifo
> acpicmos0 at acpi0
> "ACPI000D" at acpi0 not configured
> acpicpu0 at acpi0: C3(350@96 mwait.1@0x20), C3(500@64 mwait.1@0x10), 
> C1(1000@1 mwait.1)
> acpicpu1 at acpi0: C3(350@96 mwait.1@0x20), C3(500@64 mwait.1@0x10), 
> C1(1000@1 mwait.1)
> acpicpu2 at acpi0: C3(350@96 mwait.1@0x20), C3(500@64 mwait.1@0x10), 
> C1(1000@1 mwait.1)
> acpicpu3 at acpi0: C3(350@96 mwait.1@0x20), C3(500@64 mwait.1@0x10), 
> C1(1000@1 mwait.1)
> acpicpu4 at acpi0: C3(350@96 mwait.1@0x20), C3(500@64 mwait.1@0x10), 
> C1(1000@1 mwait.1)
> acpicpu5 at acpi0: C3(350@96 mwait.1@0x20), C3(500@64 mwait.1@0x10), 
> C1(1000@1 mwait.1)
> acpicpu6 at acpi0: C3(350@96 mwait.1@0x20), C3(500@64 mwait.1@0x10), 
> C1(1000@1 mwait.1)
> acpicpu7 at acpi0: C3(350@96 mwait.1@0x20), C3(500@64 mwait.1@0x10), 
> C1(1000@1 mwait.1)
> acpicpu8 at acpi0: C3(350@96 mwait.1@0x20), C3(500@64 mwait.1@0x10), 
> C1(1000@1 mwait.1)
> acpicpu9 at acpi0: C3(350@96 mwait.1@0x20), C3(500@64 mwait.1@0x10), 
> C1(1000@1 mwait.1)
> acpicpu10 at acpi0: C3(350@96 mwait.1@0x20), C3(500@64 mwait.1@0x10), 
> C1(1000@1 mwait.1)
> acpicpu11 at acpi0: C3(350@96 mwait.1@0x20), C3(500@64 mwait.1@0x10), 
> C1(1000@1 mwait.1)
> acpitz0 at acpi0
> acpitz0: critical temperature is 31 degC
> ipmi at mainbus0 not configured
> cpu0: using IvyBridge MDS workaround
> pci0 at mainbus0 bus 0
> pchb0 at pci0 dev 0 function 0 "Intel 5520 Host" rev 0x13
> ppb0 at pci0 dev 1 function 0 "Intel X58 PCIE" rev 0x13
> pci1 at ppb0 bus 5
> ciss0 at pci1 dev 0 function 0 "Hewlett-Packard Smart Array" rev 0x01: apic 
> 0 int 4
> ciss0: 1 LD, HW rev 2, FW 6.64/6.63, 64bit fifo rro
> scsibus1 at ciss0: 1 targets
> sd0 at scsibus1 targ 0 lun 0: <HP, LOGICAL VOLUME, 6.64>
> sd0: 279964MB, 512 bytes/sector, 573367600 sectors
> ppb1 at pci0 dev 2 function 0 "Intel X58 PCIE" rev 0x13
> pci2 at ppb1 bus 12
> ppb2 at pci0 dev 3 function 0 "Intel X58 PCIE" rev 0x13
> pci3 at ppb2 bus 9
> ppb3 at pci0 dev 4 function 0 "Intel X58 PCIE" rev 0x13
> pci4 at ppb3 bus 13
> ppb4 at pci0 dev 5 function 0 "Intel X58 PCIE" rev 0x13
> pci5 at ppb4 bus 14
> ppb5 at pci0 dev 6 function 0 "Intel X58 PCIE" rev 0x13
> pci6 at ppb5 bus 15
> ppb6 at pci0 dev 7 function 0 "Intel X58 PCIE" rev 0x13
> pci7 at ppb6 bus 3
> bnx0 at pci7 dev 0 function 0 "Broadcom BCM5709" rev 0x20: apic 0 int 6
> bnx1 at pci7 dev 0 function 1 "Broadcom BCM5709" rev 0x20: apic 0 int 13
> ppb7 at pci0 dev 8 function 0 "Intel X58 PCIE" rev 0x13
> pci8 at ppb7 bus 4
> bnx2 at pci8 dev 0 function 0 "Broadcom BCM5709" rev 0x20: apic 0 int 7
> bnx3 at pci8 dev 0 function 1 "Broadcom BCM5709" rev 0x20: apic 0 int 15
> ppb8 at pci0 dev 9 function 0 "Intel X58 PCIE" rev 0x13
> pci9 at ppb8 bus 6
> xhci0 at pci9 dev 0 function 0 "ASMedia ASM1042AE xHCI" rev 0x00: msix, 
> xHCI 1.10
> usb0 at xhci0: USB revision 3.0
> uhub0 at usb0 configuration 1 interface 0 "ASMedia xHCI root hub" rev 
> 3.00/1.00 addr 1
> ppb9 at pci0 dev 10 function 0 "Intel X58 PCIE" rev 0x13
> pci10 at ppb9 bus 16
> pchb1 at pci0 dev 13 function 0 vendor "Intel", unknown product 0x343a rev 0x13
> pchb2 at pci0 dev 13 function 1 vendor "Intel", unknown product 0x343b rev 0x13
> pchb3 at pci0 dev 13 function 2 vendor "Intel", unknown product 0x343c rev 0x13
> pchb4 at pci0 dev 13 function 3 vendor "Intel", unknown product 0x343d rev 0x13
> pchb5 at pci0 dev 13 function 4 "Intel 5520/X58 QuickPath" rev 0x13
> pchb6 at pci0 dev 13 function 5 "Intel 5520 QuickPath" rev 0x13
> pchb7 at pci0 dev 13 function 6 vendor "Intel", unknown product 0x341a rev 0x13
> pchb8 at pci0 dev 14 function 0 vendor "Intel", unknown product 0x341c rev 0x13
> pchb9 at pci0 dev 14 function 1 vendor "Intel", unknown product 0x341d rev 0x13
> pchb10 at pci0 dev 14 function 2 vendor "Intel", unknown product 0x341e rev 
> 0x13
> pchb11 at pci0 dev 14 function 3 vendor "Intel", unknown product 0x341f rev 
> 0x13
> pchb12 at pci0 dev 14 function 4 vendor "Intel", unknown product 0x3439 rev 
> 0x13
> "Intel X58 Misc" rev 0x13 at pci0 dev 20 function 0 not configured
> "Intel X58 GPIO" rev 0x13 at pci0 dev 20 function 1 not configured
> "Intel X58 RAS" rev 0x13 at pci0 dev 20 function 2 not configured
> ppb10 at pci0 dev 28 function 0 "Intel 82801JI PCIE" rev 0x00
> pci11 at ppb10 bus 17
> ppb11 at pci0 dev 28 function 4 "Intel 82801JI PCIE" rev 0x00
> pci12 at ppb11 bus 2
> "Hewlett-Packard iLO3 Slave" rev 0x04 at pci12 dev 0 function 0 not configured
> "Hewlett-Packard iLO3 Management" rev 0x04 at pci12 dev 0 function 2 not 
> configured
> uhci0 at pci12 dev 0 function 4 "Hewlett-Packard USB" rev 0x01: apic 8 int 17
> usb1 at uhci0: USB revision 1.0
> uhub1 at usb1 configuration 1 interface 0 "Hewlett-Packard UHCI root hub" 
> rev 1.00/1.00 addr 1
> uhci1 at pci0 dev 29 function 0 "Intel 82801JI USB" rev 0x00: apic 8 int 20
> uhci2 at pci0 dev 29 function 1 "Intel 82801JI USB" rev 0x00: apic 8 int 23
> uhci3 at pci0 dev 29 function 2 "Intel 82801JI USB" rev 0x00: apic 8 int 22
> uhci4 at pci0 dev 29 function 3 "Intel 82801JI USB" rev 0x00: apic 8 int 23
> ehci0 at pci0 dev 29 function 7 "Intel 82801JI USB" rev 0x00: apic 8 int 20
> usb2 at ehci0: USB revision 2.0
> uhub2 at usb2 configuration 1 interface 0 "Intel EHCI root hub" rev 
> 2.00/1.00 addr 1
> ppb12 at pci0 dev 30 function 0 "Intel 82801BA Hub-to-PCI" rev 0x90
> pci13 at ppb12 bus 1
> vga1 at pci13 dev 3 function 0 "ATI ES1000" rev 0x02
> wsdisplay0 at vga1 mux 1: console (80x25, vt100 emulation)
> wsdisplay0: screen 1-5 added (80x25, vt100 emulation)
> pcib0 at pci0 dev 31 function 0 "Intel 82801JIB LPC" rev 0x00
> pciide0 at pci0 dev 31 function 2 "Intel 82801JI SATA" rev 0x00: DMA, 
> channel 0 configured to native-PCI, channel 1 configured to native-PCI
> pciide0: using apic 8 int 17 for native-PCI interrupt
> atapiscsi0 at pciide0 channel 0 drive 0
> scsibus2 at atapiscsi0: 2 targets
> cd0 at scsibus2 targ 0 lun 0: <hp, DVD D DS8D3SH, HHE7> removable
> cd0(pciide0:0:0): using PIO mode 4, Ultra-DMA mode 5
> usb3 at uhci1: USB revision 1.0
> uhub3 at usb3 configuration 1 interface 0 "Intel UHCI root hub" rev 
> 1.00/1.00 addr 1
> usb4 at uhci2: USB revision 1.0
> uhub4 at usb4 configuration 1 interface 0 "Intel UHCI root hub" rev 
> 1.00/1.00 addr 1
> usb5 at uhci3: USB revision 1.0
> uhub5 at usb5 configuration 1 interface 0 "Intel UHCI root hub" rev 
> 1.00/1.00 addr 1
> usb6 at uhci4: USB revision 1.0
> uhub6 at usb6 configuration 1 interface 0 "Intel UHCI root hub" rev 
> 1.00/1.00 addr 1
> isa0 at pcib0
> isadma0 at isa0
> com0 at isa0 port 0x3f8/8 irq 4: ns16550a, 16 byte fifo
> com0: probed fifo depth: 0 bytes
> pckbc0 at isa0 port 0x60/5 irq 1 irq 12
> pckbd0 at pckbc0 (kbd slot)
> wskbd0 at pckbd0: console keyboard, using wsdisplay0
> pcppi0 at isa0 port 0x61
> spkr0 at pcppi0
> vmm0 at mainbus0: VMX/EPT
> uhub7 at uhub0 port 2 configuration 1 interface 0 "VIA Labs, Inc. USB3.0 
> Hub" rev 3.00/91.05 addr 2
> uhub8 at uhub0 port 4 configuration 1 interface 0 "VIA Labs, Inc. USB2.0 
> Hub" rev 2.10/91.00 addr 3
> umodem0 at uhub6 port 1 configuration 1 interface 0 "u-blox AG - 
> www.u-blox.com u-blox 7 - GPS/GNSS Receiver" rev 1.10/1.00 addr 2
> umodem0: data interface 1, has CM over data, has no break
> umodem0: status change notification available
> ucom0 at umodem0: usb6.0.00001.1
> vscsi0 at root
> scsibus3 at vscsi0: 256 targets
> softraid0 at root
> scsibus4 at softraid0: 256 targets
> root on sd0a (5ef582e9d02f7a4e.a) swap on sd0b dump on sd0b
> bnx0: address 9c:8e:99:2d:55:8c
> brgphy0 at bnx0 phy 1: BCM5709, rev. 8
> bnx1: address 9c:8e:99:2d:55:8e
> brgphy1 at bnx1 phy 1: BCM5709, rev. 8
> bnx2: address 9c:8e:99:2d:55:88
> brgphy2 at bnx2 phy 1: BCM5709, rev. 8
> bnx3: address 9c:8e:99:2d:55:8a
> brgphy3 at bnx3 phy 1: BCM5709, rev. 8
> uhidev0 at uhub1 port 1 configuration 1 interface 0 "HP Virtual Keyboard" 
> rev 1.10/0.02 addr 2
> uhidev0: iclass 3/1
> ukbd0 at uhidev0: 8 variable keys, 6 key codes, country code 33
> wskbd1 at ukbd0 mux 1
> wskbd1: connecting to wsdisplay0
> uhidev1 at uhub1 port 1 configuration 1 interface 1 "HP Virtual Keyboard" 
> rev 1.10/0.02 addr 2
> uhidev1: iclass 3/1
> ums0 at uhidev1: 3 buttons
> wsmouse0 at ums0 mux 0
> ipmi0: watchdog enabled