>Synopsis: csplit(1) penultimate boundary bug (with patch from FreeBSD?)
>Category: system >Environment: System : OpenBSD 6.8 Details : OpenBSD 6.8 (GENERIC) #5: Mon Feb 22 04:04:49 MST 2021 [hidden email]:/usr/src/sys/arch/amd64/compile/GENERIC Architecture: OpenBSD.amd64 Machine : amd64 (happens on all architectures I've tested on, including i386 and macppc, not just amd64) >Description: csplit(1) adds an extra boundary marker on the penultimate file >How-To-Repeat: $ printf 'boundary\n%i\n' $(jot 5) | csplit -k - /boundary/ '{999}' 11 11 11 11 csplit: boundary: no match $ ls -lsF total 20 4 -rw-r--r-- 1 tim tim 11 Apr 6 17:49 xx00 4 -rw-r--r-- 1 tim tim 11 Apr 6 17:49 xx01 4 -rw-r--r-- 1 tim tim 11 Apr 6 17:49 xx02 4 -rw-r--r-- 1 tim tim 20 Apr 6 17:49 xx03 4 -rw-r--r-- 1 tim tim 11 Apr 6 17:49 xx04 $ cat xx02 boundary 3 $ cat xx03 boundary 4 boundary $ Note that the next-to-last file emits the matching boundary both at the beginning and the end (the file also stands out as being 20 bytes rather than 11 bytes) when it should only emit the first boundary. >Fix: It looks like this bug happened in FreeBSD's csplit(1) too https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=163062 but has been fixed over on the FreeBSD side of things (diff available at that URL) so you may be able to pull that in. dmesg: OpenBSD 6.8 (GENERIC) #5: Mon Feb 22 04:04:49 MST 2021 [hidden email]:/usr/src/sys/arch/amd64/compile/GENERIC real mem = 2080227328 (1983MB) avail mem = 2002292736 (1909MB) random: good seed from bootblocks mpath0 at root scsibus0 at mpath0: 256 targets mainbus0 at root bios0 at mainbus0: SMBIOS rev. 2.8 @ 0xf68b0 (9 entries) bios0: vendor SeaBIOS version "2:1.10.2-58953eb7" date 04/01/2014 bios0: OpenStack Foundation OpenStack Nova acpi0 at bios0: ACPI 1.0 acpi0: sleep states S3 S4 S5 acpi0: tables DSDT FACP APIC acpi0: wakeup devices acpitimer0 at acpi0: 3579545 Hz, 24 bits acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat cpu0 at mainbus0: apid 0 (boot processor) cpu0: Intel Core Processor (Haswell, no TSX, IBRS), 2394.83 MHz, 06-3c-01 cpu0: FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,MMX,FXSR,SSE,SSE2,SSE3,PCLMUL,VMX,SSSE3,FMA3,CX16,PCID,SSE4.1,SSE4.2,x2APIC,MOVBE,POPCNT,DEADLINE,AES,XSAVE,AVX,F16C,RDRAND,HV,NXE,RDTSCP,LONG,LAHF,ABM,FSGSBASE,BMI1,AVX2,SMEP,BMI2,ERMS,INVPCID,MD_CLEAR,IBRS,IBPB,ARAT,XSAVEOPT,MELTDOWN cpu0: 64KB 64b/line 2-way I-cache, 64KB 64b/line 2-way D-cache, 512KB 64b/line 16-way L2 cache cpu0: ITLB 255 4KB entries direct-mapped, 255 4MB entries direct-mapped cpu0: DTLB 255 4KB entries direct-mapped, 255 4MB entries direct-mapped cpu0: smt 0, core 0, package 0 mtrr: Pentium Pro MTRR support, 8 var ranges, 88 fixed ranges cpu0: apic clock running at 1000MHz ioapic0 at mainbus0: apid 0 pa 0xfec00000, version 11, 24 pins acpiprt0 at acpi0: bus 0 (PCI0) "ACPI0006" at acpi0 not configured acpipci0 at acpi0 PCI0 acpicmos0 at acpi0 "PNP0A06" at acpi0 not configured "PNP0A06" at acpi0 not configured "PNP0A06" at acpi0 not configured "QEMU0002" at acpi0 not configured "ACPI0010" at acpi0 not configured acpicpu0 at acpi0: C1(@1 halt!) cpu0: using VERW MDS workaround pvbus0 at mainbus0: KVM pvclock0 at pvbus0 pci0 at mainbus0 bus 0 pchb0 at pci0 dev 0 function 0 "Intel 82441FX" rev 0x02 pcib0 at pci0 dev 1 function 0 "Intel 82371SB ISA" rev 0x00 pciide0 at pci0 dev 1 function 1 "Intel 82371SB IDE" rev 0x00: DMA, channel 0 wired to compatibility, channel 1 wired to compatibility pciide0: channel 0 disabled (no drives) pciide0: channel 1 disabled (no drives) uhci0 at pci0 dev 1 function 2 "Intel 82371SB USB" rev 0x01: apic 0 int 11 piixpm0 at pci0 dev 1 function 3 "Intel 82371AB Power" rev 0x03: apic 0 int 9 iic0 at piixpm0 vga1 at pci0 dev 2 function 0 "Cirrus Logic CL-GD5446" rev 0x00 wsdisplay0 at vga1 mux 1: console (80x25, vt100 emulation) wsdisplay0: screen 1-5 added (80x25, vt100 emulation) virtio0 at pci0 dev 3 function 0 "Qumranet Virtio Network" rev 0x00 vio0 at virtio0: address fa:16:3e:30:f3:22 virtio0: msix shared virtio1 at pci0 dev 4 function 0 "Qumranet Virtio SCSI" rev 0x00 vioscsi0 at virtio1: qsize 128 scsibus1 at vioscsi0: 255 targets sd0 at scsibus1 targ 0 lun 0: <QEMU, QEMU HARDDISK, 2.5+> sd0: 20480MB, 512 bytes/sector, 41943040 sectors, thin virtio1: msix shared virtio2 at pci0 dev 5 function 0 "Qumranet Virtio Console" rev 0x00 virtio2: no matching child driver; not configured virtio3 at pci0 dev 6 function 0 "Qumranet Virtio Memory Balloon" rev 0x00 viomb0 at virtio3 virtio3: apic 0 int 10 isa0 at pcib0 isadma0 at isa0 fdc0 at isa0 port 0x3f0/6 irq 6 drq 2 com0 at isa0 port 0x3f8/8 irq 4: ns16550a, 16 byte fifo com1 at isa0 port 0x2f8/8 irq 3: ns16550a, 16 byte fifo pckbc0 at isa0 port 0x60/5 irq 1 irq 12 pckbd0 at pckbc0 (kbd slot) wskbd0 at pckbd0: console keyboard, using wsdisplay0 pms0 at pckbc0 (aux slot) wsmouse0 at pms0 mux 0 pcppi0 at isa0 port 0x61 spkr0 at pcppi0 usb0 at uhci0: USB revision 1.0 uhub0 at usb0 configuration 1 interface 0 "Intel UHCI root hub" rev 1.00/1.00 addr 1 vmm0 at mainbus0: VMX/EPT (using slow L1TF mitigation) uhidev0 at uhub0 port 1 configuration 1 interface 0 "QEMU QEMU USB Tablet" rev 2.00/0.00 addr 2 uhidev0: iclass 3/0 ums0 at uhidev0: 3 buttons, Z dir wsmouse1 at ums0 mux 0 vscsi0 at root scsibus2 at vscsi0: 256 targets softraid0 at root scsibus3 at softraid0: 256 targets sd1 at scsibus3 targ 1 lun 0: <OPENBSD, SR CRYPTO, 006> sd1: 20478MB, 512 bytes/sector, 41939696 sectors root on sd1a (c1397fd0e257fe21.a) swap on sd1b dump on sd1b fd0 at fdc0 drive 1: density unknown usbdevs: usbdevs: no USB controllers found |
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