Hello bugs@, I just noticed the following crash with firefox. The problem appears to come from the nlist function in libc.
libc is current, with my modifications/fix for regexec. $ dmesg OpenBSD 6.0-beta (GENERIC.MP) #2054: Mon May 16 13:31:38 MDT 2016 dera...@amd64.openbsd.org:/usr/src/sys/arch/amd64/compile/GENERIC.MP RTC BIOS diagnostic error d1<clock_battery,ROM_cksum,memory_size> real mem = 4253237248 (4056MB) avail mem = 4119732224 (3928MB) mpath0 at root scsibus0 at mpath0: 256 targets mainbus0 at root bios0 at mainbus0: SMBIOS rev. 2.4 @ 0x8ed34000 (61 entries) bios0: vendor Apple Inc. version "IM121.88Z.0047.B1F.1201241648" date 01/24/12 bios0: Apple Inc. iMac12,1 acpi0 at bios0: rev 2 acpi0: sleep states S0 S3 S4 S5 acpi0: tables DSDT FACP HPET APIC SBST ECDT SSDT SSDT SSDT SSDT SSDT SSDT SSDT SSDT SSDT SSDT MCFG acpi0: wakeup devices P0P2(S4) GFX0(S4) EC__(S4) HDEF(S4) GIGE(S4) RP01(S4) ARPT(S4) RP02(S4) RP03(S4) RP05(S4) EHC1(S3) EHC2(S3) acpitimer0 at acpi0: 3579545 Hz, 24 bits acpihpet0 at acpi0: 14318179 Hz acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat cpu0 at mainbus0: apid 0 (boot processor) cpu0: Intel(R) Core(TM) i5-2400S CPU @ 2.50GHz, 2500.38 MHz cpu0: 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,SSE3,PCLMUL,DTES64,MWAIT,DS-CPL,VMX,SMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,POPCNT,DEADLINE,AES,XSAVE,AVX,NXE,LONG,LAHF,PERF,ITSC,SENSOR,ARAT cpu0: 256KB 64b/line 8-way L2 cache cpu0: smt 0, core 0, package 0 mtrr: Pentium Pro MTRR support, 10 var ranges, 88 fixed ranges cpu0: apic clock running at 100MHz cpu0: mwait min=64, max=64, C-substates=0.2.1.1, IBE cpu1 at mainbus0: apid 2 (application processor) cpu1: Intel(R) Core(TM) i5-2400S CPU @ 2.50GHz, 2500.03 MHz cpu1: 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,SSE3,PCLMUL,DTES64,MWAIT,DS-CPL,VMX,SMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,POPCNT,DEADLINE,AES,XSAVE,AVX,NXE,LONG,LAHF,PERF,ITSC,SENSOR,ARAT cpu1: 256KB 64b/line 8-way L2 cache cpu1: smt 0, core 1, package 0 cpu2 at mainbus0: apid 4 (application processor) cpu2: Intel(R) Core(TM) i5-2400S CPU @ 2.50GHz, 2500.03 MHz cpu2: 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,SSE3,PCLMUL,DTES64,MWAIT,DS-CPL,VMX,SMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,POPCNT,DEADLINE,AES,XSAVE,AVX,NXE,LONG,LAHF,PERF,ITSC,SENSOR,ARAT cpu2: 256KB 64b/line 8-way L2 cache cpu2: smt 0, core 2, package 0 cpu3 at mainbus0: apid 6 (application processor) cpu3: Intel(R) Core(TM) i5-2400S CPU @ 2.50GHz, 2500.03 MHz cpu3: 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,SSE3,PCLMUL,DTES64,MWAIT,DS-CPL,VMX,SMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,POPCNT,DEADLINE,AES,XSAVE,AVX,NXE,LONG,LAHF,PERF,ITSC,SENSOR,ARAT cpu3: 256KB 64b/line 8-way L2 cache cpu3: smt 0, core 3, package 0 ioapic0 at mainbus0: apid 2 pa 0xfec00000, version 20, 24 pins acpiec0 at acpi0 acpimcfg0 at acpi0 addr 0xe0000000, bus 0-155 acpiprt0 at acpi0: bus 0 (PCI0) acpiprt1 at acpi0: bus 1 (P0P2) acpiprt2 at acpi0: bus 2 (RP01) acpiprt3 at acpi0: bus 3 (RP02) acpiprt4 at acpi0: bus 4 (RP03) acpiprt5 at acpi0: bus 5 (RP05) acpicpu0 at acpi0: C3(350@91 mwait.1@0x20), C2(500@64 mwait.1@0x10), C1(1000@1 mwait.1), PSS acpicpu1 at acpi0: C3(350@91 mwait.1@0x20), C2(500@64 mwait.1@0x10), C1(1000@1 mwait.1), PSS acpicpu2 at acpi0: C3(350@91 mwait.1@0x20), C2(500@64 mwait.1@0x10), C1(1000@1 mwait.1), PSS acpicpu3 at acpi0: C3(350@91 mwait.1@0x20), C2(500@64 mwait.1@0x10), C1(1000@1 mwait.1), PSS "APP0001" at acpi0 not configured "APP000C" at acpi0 not configured "ACPI0008" at acpi0 not configured acpibtn0 at acpi0: PWRB "APP0002" at acpi0 not configured acpibtn1 at acpi0: SLPB cpu0: Enhanced SpeedStep 2500 MHz: speeds: 2501, 2500, 2400, 2300, 2200, 2100, 2000, 1900, 1800, 1700, 1600 MHz pci0 at mainbus0 bus 0 pchb0 at pci0 dev 0 function 0 "Intel Core 2G Host" rev 0x09 ppb0 at pci0 dev 1 function 0 "Intel Core 2G PCIE" rev 0x09: msi pci1 at ppb0 bus 1 radeondrm0 at pci1 dev 0 function 0 "ATI Radeon HD 6600M" rev 0x00 drm0 at radeondrm0 radeondrm0: msi azalia0 at pci1 dev 0 function 1 "ATI Radeon HD 6670 Audio" rev 0x00: msi azalia0: no supported codecs inteldrm0 at pci0 dev 2 function 0 "Intel HD Graphics 2000" rev 0x09 drm1 at inteldrm0 inteldrm0: msi inteldrm0: 1024x768 wsdisplay1 at inteldrm0 wsdisplay1: screen 0-5 added (std, vt100 emulation) "Intel 6 Series MEI" rev 0x04 at pci0 dev 22 function 0 not configured uhci0 at pci0 dev 26 function 0 "Intel 6 Series USB" rev 0x05: apic 2 int 21 ehci0 at pci0 dev 26 function 7 "Intel 6 Series USB" rev 0x05: apic 2 int 23 usb0 at ehci0: USB revision 2.0 uhub0 at usb0 "Intel EHCI root hub" rev 2.00/1.00 addr 1 azalia1 at pci0 dev 27 function 0 "Intel 6 Series HD Audio" rev 0x05: msi azalia1: codecs: Cirrus Logic CS4206 audio0 at azalia1 ppb1 at pci0 dev 28 function 0 "Intel 6 Series PCIE" rev 0xb5: msi pci2 at ppb1 bus 2 bge0 at pci2 dev 0 function 0 "Broadcom BCM57765" rev 0x10, BCM57765 B0 (0x57785100): msi, address c8:2a:14:1e:02:68 brgphy0 at bge0 phy 1: BCM57765 10/100/1000baseT PHY, rev. 4 ppb2 at pci0 dev 28 function 1 "Intel 6 Series PCIE" rev 0xb5: msi pci3 at ppb2 bus 3 "Atheros AR9300" rev 0x01 at pci3 dev 0 function 0 not configured ppb3 at pci0 dev 28 function 2 "Intel 6 Series PCIE" rev 0xb5: msi pci4 at ppb3 bus 4 "AT&T/Lucent FW643 1394" rev 0x08 at pci4 dev 0 function 0 not configured ppb4 at pci0 dev 28 function 4 "Intel 6 Series PCIE" rev 0xb5: msi pci5 at ppb4 bus 5 ppb5 at pci5 dev 0 function 0 "Intel 82524EF Thunderbolt" rev 0x00 pci6 at ppb5 bus 6 ppb6 at pci6 dev 0 function 0 "Intel 82524EF Thunderbolt" rev 0x00: msi pci7 at ppb6 bus 7 "Intel 82524EF Thunderbolt" rev 0x00 at pci7 dev 0 function 0 not configured ppb7 at pci6 dev 3 function 0 "Intel 82524EF Thunderbolt" rev 0x00: msi pci8 at ppb7 bus 8 ppb8 at pci6 dev 4 function 0 "Intel 82524EF Thunderbolt" rev 0x00: msi pci9 at ppb8 bus 9 ppb9 at pci6 dev 5 function 0 "Intel 82524EF Thunderbolt" rev 0x00: msi pci10 at ppb9 bus 58 ppb10 at pci6 dev 6 function 0 "Intel 82524EF Thunderbolt" rev 0x00: msi pci11 at ppb10 bus 107 uhci1 at pci0 dev 29 function 0 "Intel 6 Series USB" rev 0x05: apic 2 int 19 ehci1 at pci0 dev 29 function 7 "Intel 6 Series USB" rev 0x05: apic 2 int 22 usb1 at ehci1: USB revision 2.0 uhub1 at usb1 "Intel EHCI root hub" rev 2.00/1.00 addr 1 pcib0 at pci0 dev 31 function 0 "Intel Z68 LPC" rev 0x05 ahci0 at pci0 dev 31 function 2 "Intel 6 Series AHCI" rev 0x05: msi, AHCI 1.3 ahci0: port 0: 3.0Gb/s ahci0: port 2: 1.5Gb/s scsibus1 at ahci0: 32 targets sd0 at scsibus1 targ 0 lun 0: <ATA, ST3500418AS, AP2A> SCSI3 0/direct fixed naa.5000c5002e0d6c43 sd0: 476940MB, 512 bytes/sector, 976773168 sectors cd0 at scsibus1 targ 2 lun 0: <OPTIARC, DVD RW AD-5680H, 3AHF> ATAPI 5/cdrom removable ichiic0 at pci0 dev 31 function 3 "Intel 6 Series SMBus" rev 0x05: apic 2 int 18 iic0 at ichiic0 iic0: addr 0x4a 01=20 05=d1 0a=08 10=0a 11=04 12=02 13=02 14=02 15=02 20=f2 21=01 23=88 words 00=0020 01=2000 02=0000 03=0000 04=00d1 05=d100 06=0000 07=0000 spdmem0 at iic0 addr 0x50: 2GB DDR3 SDRAM PC3-10600 SO-DIMM spdmem1 at iic0 addr 0x52: 2GB DDR3 SDRAM PC3-10600 SO-DIMM usb2 at uhci0: USB revision 1.0 uhub2 at usb2 "Intel UHCI root hub" rev 1.00/1.00 addr 1 usb3 at uhci1: USB revision 1.0 uhub3 at usb3 "Intel UHCI root hub" rev 1.00/1.00 addr 1 isa0 at pcib0 isadma0 at isa0 pcppi0 at isa0 port 0x61 spkr0 at pcppi0 asmc0 at isa0 port 0x300/32: rev 1.71f571, 332 keys efifb at mainbus0 not configured nvram: invalid checksum uhub4 at uhub0 port 1 "Standard Microsystems product 0x2514" rev 2.00/0.03 addr 2 uhub5 at uhub4 port 1 "Apple Inc. BRCM2046 Hub" rev 2.00/1.00 addr 3 ugen0 at uhub5 port 1 "Apple Inc. Bluetooth USB Host Controller" rev 2.00/2.07 addr 4 uhidev0 at uhub5 port 2 configuration 1 interface 0 "Apple Computer product 0x820a" rev 2.00/1.00 addr 5 uhidev0: iclass 3/1, 1 report id ukbd0 at uhidev0 reportid 1: 8 variable keys, 6 key codes wskbd0 at ukbd0: console keyboard uhidev1 at uhub5 port 3 configuration 1 interface 0 "Apple Computer product 0x820b" rev 2.00/1.00 addr 6 uhidev1: iclass 3/1, 2 report ids ums0 at uhidev1 reportid 2: 3 buttons wsmouse0 at ums0 mux 0 uhidev2 at uhub4 port 3 configuration 1 interface 0 "Sunplus USB Optical Mouse" rev 2.00/0.10 addr 7 uhidev2: iclass 3/1, 2 report ids ums1 at uhidev2 reportid 1: 3 buttons, Z and W dir wsmouse1 at ums1 mux 0 uhid0 at uhidev2 reportid 2: input=1, output=0, feature=0 uvideo0 at uhub0 port 2 configuration 1 interface 0 "Apple Inc. FaceTime HD Camera (Built-in)" rev 2.00/7.55 addr 8 video0 at uvideo0 ugen1 at uhub0 port 2 configuration 1 "Apple Inc. FaceTime HD Camera (Built-in)" rev 2.00/7.55 addr 8 uhub6 at uhub1 port 1 "Standard Microsystems product 0x2514" rev 2.00/0.03 addr 2 umass0 at uhub6 port 1 configuration 1 interface 0 "Apple Card Reader" rev 2.00/98.33 addr 3 umass0: using SCSI over Bulk-Only scsibus2 at umass0: 2 targets, initiator 0 sd1 at scsibus2 targ 1 lun 0: <APPLE, SD Card Reader, 1.00> SCSI0 0/direct removable serial.05ac8403000000009833 uhidev3 at uhub6 port 2 configuration 1 interface 0 "Apple Computer, Inc. IR Receiver" rev 2.00/0.16 addr 4 uhidev3: iclass 3/0, 38 report ids uhid1 at uhidev3 reportid 36: input=4, output=0, feature=0 uhid2 at uhidev3 reportid 37: input=4, output=0, feature=0 uhid3 at uhidev3 reportid 38: input=4, output=0, feature=0 umass1 at uhub6 port 3 configuration 1 interface 0 "Lexar USB Flash Drive" rev 2.10/11.00 addr 5 umass1: using SCSI over Bulk-Only scsibus3 at umass1: 2 targets, initiator 0 sd2 at scsibus3 targ 1 lun 0: <Lexar, USB Flash Drive, 1100> SCSI4 0/direct removable serial.05dca803M984X3FCJ9DV sd2: 30526MB, 512 bytes/sector, 62517248 sectors uhidev4 at uhub6 port 4 configuration 1 interface 0 " USB Keyboard" rev 1.10/1.01 addr 6 uhidev4: iclass 3/1 ukbd1 at uhidev4: 8 variable keys, 6 key codes wskbd1 at ukbd1 mux 1 uhidev5 at uhub6 port 4 configuration 1 interface 1 " USB Keyboard" rev 1.10/1.01 addr 6 uhidev5: iclass 3/0, 2 report ids uhid4 at uhidev5 reportid 1: input=1, output=0, feature=0 uhid5 at uhidev5 reportid 2: input=3, output=0, feature=0 vscsi0 at root scsibus4 at vscsi0: 256 targets softraid0 at root scsibus5 at softraid0: 256 targets sd3 at scsibus5 targ 1 lun 0: <OPENBSD, SR CRYPTO, 006> SCSI2 0/direct fixed sd3: 476939MB, 512 bytes/sector, 976771553 sectors root on sd3a (bdd858d8092f8fae.a) swap on sd3b dump on sd3b clock: unknown CMOS layout error: [drm:pid0:radeon_read_platform_bios] *ERROR* bios size zero or checksum mismatch radeondrm0: 1920x1080 wsdisplay0 at radeondrm0 mux 1: console (std, vt100 emulation), using wskbd0 wskbd1: connecting to wsdisplay0 wsdisplay0: screen 1-5 added (std, vt100 emulation) $ gdb /usr/local/bin/firefox ./firefox.core GNU gdb 6.3 Copyright 2004 Free Software Foundation, Inc. GDB is free software, covered by the GNU General Public License, and you are welcome to change it and/or distribute copies of it under certain conditions. Type "show copying" to see the conditions. There is absolutely no warranty for GDB. Type "show warranty" for details. This GDB was configured as "amd64-unknown-openbsd6.0"... (no debugging symbols found) Core was generated by `firefox'. Program terminated with signal 11, Segmentation fault. Reading symbols from /usr/lib/libpthread.so.22.0...done. Loaded symbols for /usr/lib/libpthread.so.22.0 Loaded symbols for /usr/local/bin/firefox Reading symbols from /usr/local/lib/libestdc++.so.17.0...done. Loaded symbols for /usr/local/lib/libestdc++.so.17.0 Reading symbols from /usr/lib/libm.so.9.0...done. Loaded symbols for /usr/lib/libm.so.9.0 Symbols already loaded for /usr/lib/libpthread.so.22.0 Reading symbols from /usr/lib/libc.so.87.0...done. Loaded symbols for /usr/lib/libc.so.87.0 Reading symbols from /usr/libexec/ld.so...done. Loaded symbols for /usr/libexec/ld.so Reading symbols from /usr/local/lib/firefox-46.0.1/liblgpllibs.so.64.0...done. Loaded symbols for /usr/local/lib/firefox-46.0.1/liblgpllibs.so.64.0 Reading symbols from /usr/local/lib/firefox-46.0.1/libmozsqlite3.so.64.0...done. Loaded symbols for /usr/local/lib/firefox-46.0.1/libmozsqlite3.so.64.0 Reading symbols from /usr/local/lib/firefox-46.0.1/libmozgtk.so.64.0...done. Loaded symbols for /usr/local/lib/firefox-46.0.1/libmozgtk.so.64.0 Reading symbols from /usr/local/lib/libgtk-3.so.2000.3...done. Loaded symbols for /usr/local/lib/libgtk-3.so.2000.3 Reading symbols from /usr/local/lib/libgdk-3.so.2000.3...done. Loaded symbols for /usr/local/lib/libgdk-3.so.2000.3 Reading symbols from /usr/local/lib/libpangocairo-1.0.so.3800.0...done. Loaded symbols for /usr/local/lib/libpangocairo-1.0.so.3800.0 Reading symbols from /usr/local/lib/libpango-1.0.so.3800.0...done. Loaded symbols for /usr/local/lib/libpango-1.0.so.3800.0 Reading symbols from /usr/local/lib/libgobject-2.0.so.4200.3...done. Loaded symbols for /usr/local/lib/libgobject-2.0.so.4200.3 Reading symbols from /usr/local/lib/libglib-2.0.so.4200.3...done. Loaded symbols for /usr/local/lib/libglib-2.0.so.4200.3 Reading symbols from /usr/local/lib/libiconv.so.6.0...done. Loaded symbols for /usr/local/lib/libiconv.so.6.0 Reading symbols from /usr/local/lib/libpcre.so.3.0...done. Loaded symbols for /usr/local/lib/libpcre.so.3.0 Reading symbols from /usr/local/lib/libintl.so.6.0...done. Loaded symbols for /usr/local/lib/libintl.so.6.0 Reading symbols from /usr/local/lib/libffi.so.1.2...done. Loaded symbols for /usr/local/lib/libffi.so.1.2 Reading symbols from /usr/local/lib/libgthread-2.0.so.4200.3...done. Loaded symbols for /usr/local/lib/libgthread-2.0.so.4200.3 Reading symbols from /usr/local/lib/libcairo.so.12.3...done. Loaded symbols for /usr/local/lib/libcairo.so.12.3 Reading symbols from /usr/X11R6/lib/libpixman-1.so.32.6...done. Loaded symbols for /usr/X11R6/lib/libpixman-1.so.32.6 Reading symbols from /usr/X11R6/lib/libpthread-stubs.so.2.0...done. Loaded symbols for /usr/X11R6/lib/libpthread-stubs.so.2.0 Reading symbols from /usr/X11R6/lib/libfontconfig.so.9.1...done. Loaded symbols for /usr/X11R6/lib/libfontconfig.so.9.1 Reading symbols from /usr/X11R6/lib/libfreetype.so.24.1...done. Loaded symbols for /usr/X11R6/lib/libfreetype.so.24.1 Reading symbols from /usr/lib/libz.so.5.0...done. Loaded symbols for /usr/lib/libz.so.5.0 Reading symbols from /usr/lib/libexpat.so.11.0...done. Loaded symbols for /usr/lib/libexpat.so.11.0 Reading symbols from /usr/local/lib/libpng.so.17.2...done. Loaded symbols for /usr/local/lib/libpng.so.17.2 Reading symbols from /usr/X11R6/lib/libxcb-shm.so.1.1...done. Loaded symbols for /usr/X11R6/lib/libxcb-shm.so.1.1 Reading symbols from /usr/X11R6/lib/libxcb.so.3.2...done. Loaded symbols for /usr/X11R6/lib/libxcb.so.3.2 Reading symbols from /usr/X11R6/lib/libxcb-render.so.1.0...done. Loaded symbols for /usr/X11R6/lib/libxcb-render.so.1.0 Reading symbols from /usr/X11R6/lib/libXrender.so.6.0...done. Loaded symbols for /usr/X11R6/lib/libXrender.so.6.0 Reading symbols from /usr/X11R6/lib/libX11.so.16.1...done. Loaded symbols for /usr/X11R6/lib/libX11.so.16.1 Reading symbols from /usr/X11R6/lib/libXext.so.13.0...done. Loaded symbols for /usr/X11R6/lib/libXext.so.13.0 Reading symbols from /usr/local/lib/libpangoft2-1.0.so.3800.0...done. Loaded symbols for /usr/local/lib/libpangoft2-1.0.so.3800.0 Reading symbols from /usr/local/lib/libharfbuzz.so.8.2...done. Loaded symbols for /usr/local/lib/libharfbuzz.so.8.2 Reading symbols from /usr/local/lib/libgraphite2.so.1.1...done. Loaded symbols for /usr/local/lib/libgraphite2.so.1.1 Reading symbols from /usr/local/lib/libgdk_pixbuf-2.0.so.3200.0...done. Loaded symbols for /usr/local/lib/libgdk_pixbuf-2.0.so.3200.0 Reading symbols from /usr/local/lib/libgmodule-2.0.so.4200.3...done. Loaded symbols for /usr/local/lib/libgmodule-2.0.so.4200.3 Reading symbols from /usr/local/lib/libgio-2.0.so.4200.3...done. Loaded symbols for /usr/local/lib/libgio-2.0.so.4200.3 Reading symbols from /usr/local/lib/libcairo-gobject.so.1.1...done. Loaded symbols for /usr/local/lib/libcairo-gobject.so.1.1 Reading symbols from /usr/X11R6/lib/libXinerama.so.6.0...done. Loaded symbols for /usr/X11R6/lib/libXinerama.so.6.0 Reading symbols from /usr/X11R6/lib/libXi.so.12.1...done. Loaded symbols for /usr/X11R6/lib/libXi.so.12.1 Reading symbols from /usr/X11R6/lib/libXrandr.so.7.1...done. Loaded symbols for /usr/X11R6/lib/libXrandr.so.7.1 Reading symbols from /usr/X11R6/lib/libXcursor.so.5.0...done. Loaded symbols for /usr/X11R6/lib/libXcursor.so.5.0 Reading symbols from /usr/X11R6/lib/libXfixes.so.6.0...done. Loaded symbols for /usr/X11R6/lib/libXfixes.so.6.0 Reading symbols from /usr/X11R6/lib/libXcomposite.so.4.0...done. Loaded symbols for /usr/X11R6/lib/libXcomposite.so.4.0 Reading symbols from /usr/X11R6/lib/libXdamage.so.4.0...done. Loaded symbols for /usr/X11R6/lib/libXdamage.so.4.0 Reading symbols from /usr/X11R6/lib/libepoxy.so.2.0...done. Loaded symbols for /usr/X11R6/lib/libepoxy.so.2.0 Reading symbols from /usr/local/lib/libatk-1.0.so.21809.1...done. Loaded symbols for /usr/local/lib/libatk-1.0.so.21809.1 Reading symbols from /usr/local/lib/libatk-bridge-2.0.so.0.0...done. Loaded symbols for /usr/local/lib/libatk-bridge-2.0.so.0.0 Reading symbols from /usr/local/lib/libdbus-1.so.11.1...done. Loaded symbols for /usr/local/lib/libdbus-1.so.11.1 Reading symbols from /usr/local/lib/libatspi.so.0.1...done. Loaded symbols for /usr/local/lib/libatspi.so.0.1 Reading symbols from /usr/X11R6/lib/libSM.so.9.0...done. Loaded symbols for /usr/X11R6/lib/libSM.so.9.0 Reading symbols from /usr/X11R6/lib/libICE.so.10.0...done. Loaded symbols for /usr/X11R6/lib/libICE.so.10.0 Reading symbols from /usr/X11R6/lib/libXau.so.10.0...done. Loaded symbols for /usr/X11R6/lib/libXau.so.10.0 Reading symbols from /usr/X11R6/lib/libXdmcp.so.11.0...done. Loaded symbols for /usr/X11R6/lib/libXdmcp.so.11.0 Reading symbols from /usr/lib/libstdc++.so.57.0...done. Loaded symbols for /usr/lib/libstdc++.so.57.0 Reading symbols from /usr/local/lib/firefox-46.0.1/libxul.so.64.0...done. Loaded symbols for /usr/local/lib/firefox-46.0.1/libxul.so.64.0 Reading symbols from /usr/local/lib/libicui18n.so.10.0...done. Loaded symbols for /usr/local/lib/libicui18n.so.10.0 Reading symbols from /usr/local/lib/libicuuc.so.10.0...done. Loaded symbols for /usr/local/lib/libicuuc.so.10.0 Reading symbols from /usr/local/lib/libicudata.so.10.0... warning: Lowest section in /usr/local/lib/libicudata.so.10.0 is .hash at 0000000000000200 done. Loaded symbols for /usr/local/lib/libicudata.so.10.0 Reading symbols from /usr/local/lib/libplds4.so.23.3...done. Loaded symbols for /usr/local/lib/libplds4.so.23.3 Reading symbols from /usr/local/lib/libplc4.so.23.3...done. Loaded symbols for /usr/local/lib/libplc4.so.23.3 Reading symbols from /usr/local/lib/libnspr4.so.23.3...done. Loaded symbols for /usr/local/lib/libnspr4.so.23.3 Reading symbols from /usr/local/lib/libssl3.so.40.0...done. Loaded symbols for /usr/local/lib/libssl3.so.40.0 Reading symbols from /usr/local/lib/libsmime3.so.40.0...done. Loaded symbols for /usr/local/lib/libsmime3.so.40.0 Reading symbols from /usr/local/lib/libnss3.so.40.0...done. Loaded symbols for /usr/local/lib/libnss3.so.40.0 Reading symbols from /usr/local/lib/libnssutil3.so.40.0...done. Loaded symbols for /usr/local/lib/libnssutil3.so.40.0 Reading symbols from /usr/local/lib/libhunspell-1.3.so.0.0...done. Loaded symbols for /usr/local/lib/libhunspell-1.3.so.0.0 Reading symbols from /usr/lib/libsndio.so.6.1...done. Loaded symbols for /usr/lib/libsndio.so.6.1 Reading symbols from /usr/X11R6/lib/libXt.so.11.0...done. Loaded symbols for /usr/X11R6/lib/libXt.so.11.0 Reading symbols from /usr/X11R6/lib/libGL.so.16.0...done. Loaded symbols for /usr/X11R6/lib/libGL.so.16.0 Reading symbols from /usr/X11R6/lib/libglapi.so.0.1...done. Loaded symbols for /usr/X11R6/lib/libglapi.so.0.1 Reading symbols from /usr/X11R6/lib/libX11-xcb.so.2.0...done. Loaded symbols for /usr/X11R6/lib/libX11-xcb.so.2.0 Reading symbols from /usr/X11R6/lib/libxcb-glx.so.1.0...done. Loaded symbols for /usr/X11R6/lib/libxcb-glx.so.1.0 Reading symbols from /usr/X11R6/lib/libxcb-dri2.so.1.1...done. Loaded symbols for /usr/X11R6/lib/libxcb-dri2.so.1.1 Reading symbols from /usr/X11R6/lib/libXxf86vm.so.6.0...done. Loaded symbols for /usr/X11R6/lib/libXxf86vm.so.6.0 Reading symbols from /usr/X11R6/lib/libdrm.so.7.1...done. Loaded symbols for /usr/X11R6/lib/libdrm.so.7.1 Reading symbols from /usr/X11R6/lib/modules/dri/r600_dri.so...done. Loaded symbols for /usr/X11R6/lib/modules/dri/r600_dri.so Reading symbols from /usr/X11R6/lib/libdrm_radeon.so.4.0...done. Loaded symbols for /usr/X11R6/lib/libdrm_radeon.so.4.0 Reading symbols from /usr/X11R6/lib/libtxc_dxtn.so.0.0...done. Loaded symbols for /usr/X11R6/lib/libtxc_dxtn.so.0.0 Reading symbols from /usr/local/lib/firefox-46.0.1/browser/components/libbrowsercomps.so.64.0...done. Loaded symbols for /usr/local/lib/firefox-46.0.1/browser/components/libbrowsercomps.so.64.0 Reading symbols from /usr/local/lib/libsoftokn3.so.40.0...done. Loaded symbols for /usr/local/lib/libsoftokn3.so.40.0 Reading symbols from /usr/lib/libsqlite3.so.32.0...done. Loaded symbols for /usr/lib/libsqlite3.so.32.0 Reading symbols from /usr/local/lib/libnssdbm3.so.40.0...done. Loaded symbols for /usr/local/lib/libnssdbm3.so.40.0 Reading symbols from /usr/local/lib/libfreebl3.so.40.0...done. Loaded symbols for /usr/local/lib/libfreebl3.so.40.0 Reading symbols from /usr/local/lib/libnssckbi.so.40.0...done. Loaded symbols for /usr/local/lib/libnssckbi.so.40.0 Reading symbols from /usr/local/lib/gio/modules/libgioremote-volume-monitor.so...done. Loaded symbols for /usr/local/lib/gio/modules/libgioremote-volume-monitor.so Reading symbols from /usr/local/lib/gvfs/libgvfscommon.so...done. Loaded symbols for /usr/local/lib/gvfs/libgvfscommon.so Reading symbols from /usr/lib/libutil.so.12.1...done. Loaded symbols for /usr/lib/libutil.so.12.1 Reading symbols from /usr/local/lib/gdk-pixbuf-2.0/2.10.0/loaders/libpixbufloader-png.so...done. Loaded symbols for /usr/local/lib/gdk-pixbuf-2.0/2.10.0/loaders/libpixbufloader-png.so Reading symbols from /usr/local/lib/gio/modules/libdconfsettings.so...done. Loaded symbols for /usr/local/lib/gio/modules/libdconfsettings.so Reading symbols from /usr/X11R6/lib/libXss.so.6.0...done. Loaded symbols for /usr/X11R6/lib/libXss.so.6.0 Reading symbols from /usr/local/lib/firefox-46.0.1/libmozavutil.so.64.0...done. Loaded symbols for /usr/local/lib/firefox-46.0.1/libmozavutil.so.64.0 Reading symbols from /usr/local/lib/firefox-46.0.1/libmozavcodec.so.64.0...done. Loaded symbols for /usr/local/lib/firefox-46.0.1/libmozavcodec.so.64.0 Reading symbols from /usr/local/lib/libavcodec.so.22.2...done. Loaded symbols for /usr/local/lib/libavcodec.so.22.2 Reading symbols from /usr/local/lib/libavutil.so.12.4...done. Loaded symbols for /usr/local/lib/libavutil.so.12.4 Reading symbols from /usr/local/lib/libswresample.so.1.2...done. Loaded symbols for /usr/local/lib/libswresample.so.1.2 Reading symbols from /usr/local/lib/libgsm.so.1.0...done. Loaded symbols for /usr/local/lib/libgsm.so.1.0 Reading symbols from /usr/local/lib/libmp3lame.so.2.1...done. Loaded symbols for /usr/local/lib/libmp3lame.so.2.1 Reading symbols from /usr/local/lib/libopus.so.1.0...done. Loaded symbols for /usr/local/lib/libopus.so.1.0 Reading symbols from /usr/local/lib/libspeex.so.8.0...done. Loaded symbols for /usr/local/lib/libspeex.so.8.0 Reading symbols from /usr/local/lib/libvorbis.so.9.0...done. Loaded symbols for /usr/local/lib/libvorbis.so.9.0 Reading symbols from /usr/local/lib/libvorbisenc.so.3.1...done. Loaded symbols for /usr/local/lib/libvorbisenc.so.3.1 Reading symbols from /usr/local/lib/libvpx.so.7.0...done. Loaded symbols for /usr/local/lib/libvpx.so.7.0 Reading symbols from /usr/local/lib/libx264.so.16.0...done. Loaded symbols for /usr/local/lib/libx264.so.16.0 Reading symbols from /usr/local/lib/libx265.so.6.0...done. Loaded symbols for /usr/local/lib/libx265.so.6.0 Reading symbols from /usr/local/lib/libxvidcore.so.4.4...done. Loaded symbols for /usr/local/lib/libxvidcore.so.4.4 Reading symbols from /usr/local/lib/libogg.so.6.2...done. Loaded symbols for /usr/local/lib/libogg.so.6.2 (gdb) bt #0 *_libc___fdnlist (fd=1382, list=0x7f7ffffe2660) at /home/martijn/src/OpenBSD/lib/libc/gen/nlist.c:272 #1 0x00000566536b4eac in XRE_TelemetryAccumulate () from /usr/local/lib/firefox-46.0.1/libxul.so.64.0 #2 0x00000566541aac46 in JS::PerfMeasurement::canMeasureSomething () from /usr/local/lib/firefox-46.0.1/libxul.so.64.0 #3 <signal handler called> #4 0x000005637bc04e17 in mozalloc_abort () from /usr/local/bin/firefox #5 0x000005637bc04e40 in abort () from /usr/local/bin/firefox #6 0x000005661a95e9a2 in g_assertion_message () from /usr/local/lib/libglib-2.0.so.4200.3 #7 0x000005661a95eeaf in g_assertion_message_expr () from /usr/local/lib/libglib-2.0.so.4200.3 #8 0x00000565e939631c in g_file_monitor_source_handle_event () from /usr/local/lib/libgio-2.0.so.4200.3 #9 0x00000565e939c75a in dl_calculate () from /usr/local/lib/libgio-2.0.so.4200.3 #10 0x00000565e939b460 in _kh_dir_diff () from /usr/local/lib/libgio-2.0.so.4200.3 #11 0x00000565e939b619 in process_kqueue_notifications () from /usr/local/lib/libgio-2.0.so.4200.3 #12 0x000005661a93a572 in g_main_context_dispatch () from /usr/local/lib/libglib-2.0.so.4200.3 ---Type <return> to continue, or q <return> to quit--- #13 0x000005661a93c6fb in g_main_context_iterate () from /usr/local/lib/libglib-2.0.so.4200.3 #14 0x000005661a93c7c7 in g_main_context_iteration () from /usr/local/lib/libglib-2.0.so.4200.3 #15 0x0000056652e5814f in std::_Rb_tree<unsigned long long, unsigned long long, std::_Identity<unsigned long long>, std::less<unsigned long long>, std::allocator<unsigned long long> >::_M_copy () from /usr/local/lib/firefox-46.0.1/libxul.so.64.0 #16 0x0000056652e29927 in std::_Rb_tree<unsigned long long, unsigned long long, std::_Identity<unsigned long long>, std::less<unsigned long long>, std::allocator<unsigned long long> >::_M_copy () from /usr/local/lib/firefox-46.0.1/libxul.so.64.0 #17 0x0000056652e29a00 in std::_Rb_tree<unsigned long long, unsigned long long, std::_Identity<unsigned long long>, std::less<unsigned long long>, std::allocator<unsigned long long> >::_M_copy () from /usr/local/lib/firefox-46.0.1/libxul.so.64.0 #18 0x000005665135885b in XRE_AddJarManifestLocation () from /usr/local/lib/firefox-46.0.1/libxul.so.64.0 #19 0x000005665137edd1 in _ZNSt6vectorImSaImEE19_M_emplace_back_auxIJmEEEvDpOT_ () from /usr/local/lib/firefox-46.0.1/libxul.so.64.0 #20 0x000005665164989f in _ZNSt6vectorISt4pairIiiESaIS1_EE19_M_emplace_back_auxIJS1_EEEvDpOT_ () from /usr/local/lib/firefox-46.0.1/libxul.so.64.0 #21 0x0000056651624fa4 in std::map<int, std::string, std::less<int>, std::alloca---Type <return> to continue, or q <return> to quit--- tor<std::pair<int const, std::string> > >::operator[] () from /usr/local/lib/firefox-46.0.1/libxul.so.64.0 #22 0x0000056652e2962e in std::_Rb_tree<unsigned long long, unsigned long long, std::_Identity<unsigned long long>, std::less<unsigned long long>, std::allocator<unsigned long long> >::_M_copy () from /usr/local/lib/firefox-46.0.1/libxul.so.64.0 #23 0x0000056653679583 in XRE_StartupTimelineRecord () from /usr/local/lib/firefox-46.0.1/libxul.so.64.0 #24 0x00000566536beb09 in XRE_InitCommandLine () from /usr/local/lib/firefox-46.0.1/libxul.so.64.0 #25 0x00000566536bee6e in XRE_InitCommandLine () from /usr/local/lib/firefox-46.0.1/libxul.so.64.0 #26 0x00000566536bf26b in XRE_main () from /usr/local/lib/firefox-46.0.1/libxul.so.64.0 #27 0x000005637bc047e9 in _start () from /usr/local/bin/firefox #28 0x000005637bc041e2 in _start () from /usr/local/bin/firefox #29 0x0000000000000000 in ?? () (gdb) frame 0 #0 *_libc___fdnlist (fd=1382, list=0x7f7ffffe2660) at /home/martijn/src/OpenBSD/lib/libc/gen/nlist.c:272 272 p->n_type = N_FN; (gdb) p p $17 = (struct nlist *) 0x400 (gdb) p *list $18 = {n_un = {n_name = 0x7f7ffffe26a0 "", n_strx = 140187732420256}, n_type = 159 '\237', n_other = 71 'G', n_desc = 21519, n_value = 5934275765152} (gdb) p list->n_un.n_name[0] $19 = 0 '\0' The segfault is clear, 0x400 is not a valid pointer. I would think that nlist.c:304 !LAST(p) would filter this out, since list isn't altered in the loop, but perhaps someone with more experience/time can take a look at this. I'll keep the coredump around for now, for when more information is needed. martijn@