From d0dcec80e05fc984f7935ffebf23cbe7f8c0e239 Mon Sep 17 00:00:00 2001 From: MSVSphere Packaging Team Date: Wed, 8 Nov 2023 15:19:10 +0300 Subject: [PATCH] import kernel-srpm-macros-1.0-13.el9 --- SOURCES/find-provides.ksyms | 80 ++++++++++++++++++----------- SOURCES/find-requires.ksyms | 94 ++++++++++++++++++++++------------- SOURCES/kabi.attr | 2 +- SOURCES/kabi.sh | 10 +++- SPECS/kernel-srpm-macros.spec | 16 +++++- 5 files changed, 134 insertions(+), 68 deletions(-) mode change 100755 => 100644 SOURCES/find-requires.ksyms diff --git a/SOURCES/find-provides.ksyms b/SOURCES/find-provides.ksyms index aa656e1..6b676e5 100755 --- a/SOURCES/find-provides.ksyms +++ b/SOURCES/find-provides.ksyms @@ -3,6 +3,10 @@ IFS=$'\n' export LC_ALL=C +# Prevent elfutils from trying to download debuginfos +unset DEBUGINFOD_URLS + + for module in $(grep -E '/lib/modules/.+\.ko(\.gz|\.bz2|\.xz|\.zst)?$') "$@"; do dep_pfx="ksym" # For built-in kmods, "kernel()" syntax is used instead of "ksym()" @@ -34,36 +38,54 @@ for module in $(grep -E '/lib/modules/.+\.ko(\.gz|\.bz2|\.xz|\.zst)?$') "$@"; do module="$tmpfile" fi - if nm "$module" | grep -qE '^([0-9a-f]+) A __crc_(.+)' 2> /dev/null; then - nm "$module" \ - | awk \ - -v 'dep_pfx='"$dep_pfx" \ - --non-decimal-data \ - 'match($0, /^([0-9a-f]+) A __crc_(.+)/, a) { printf("%s(%s) = 0x%08x\n", dep_pfx, a[2], strtonum("0x" a[1])) }' \ - | sort -u - else - objdump -t "$module" \ - | sed -n 's/^[0-9a-f][0-9a-f]* g...... \(.*\) [0-9a-f][0-9a-f]* __crc_.*$/\1/p' \ - | sort -u \ - | while read sectname; do - [ -n "$sectname" ] || continue + # awk script return code: + # 0 - absolute __crc_* symbols have been found, output has been + # generated; + # 23 - a non-absolute __crc_* symbold has been found; + # 42 - no __crc_* symbols have been found. + nm "$module" \ + | awk \ + -v 'dep_pfx='"$dep_pfx" \ + --non-decimal-data \ + 'BEGIN { exit_code = 42 } + match($0, /^([0-9a-f]+) (.) __crc_(.+)/, a) { + if (a[2] == "A") { + printf("%s(%s) = 0x%08x\n", dep_pfx, a[3], strtonum("0x" a[1])); + exit_code = 0; + } else { + exit_code = 23; + exit; + } + } + END { exit exit_code }' - ELFSECTDATA=$(readelf -R "$sectname" "$module" | awk '/0x/{printf $2$3$4$5}') - if [[ -n $(readelf -h $module | grep "little endian") ]]; then - SECTDATA=$(echo $ELFSECTDATA | sed 's/\(..\)\(..\)\(..\)\(..\)/\4\3\2\1/g') - else - SECTDATA=$ELFSECTDATA - fi + [ 23 = "$?" ] && { + kmod_elf_hdr="$(readelf -h "$module")" + [ "x$kmod_elf_hdr" = "x${kmod_elf_hdr%Data:*little endian*}" ] + revbytes="$?" - objdump -t "$module" \ - | awk \ - -v 'dep_pfx='"$dep_pfx" \ - -v 'sectdata='"$SECTDATA" \ - --non-decimal-data \ - 'match($0, /^([0-9a-f]+) g...... .* [0-9a-f]+ __crc_(.*)$/, a) { printf("%s(%s) = 0x%08s\n", dep_pfx, a[2], substr(sectdata, (strtonum("0x" a[1]) * 2) + 1, 8)) }' - done \ - | sort -u - fi + objdump -t "$module" \ + | awk \ + -v 'dep_pfx='"$dep_pfx" \ + -v 'module='"$module" \ + -v 'revbytes='"$revbytes" \ + --non-decimal-data \ + 'function readsect(name, a, t) { + a = ""; + while (("readelf -R \"" name "\" \"" module "\"" | getline t) > 0) { + if (match(t, /^ 0x[0-9a-f]{8}/)) + a = a substr(t, 14, 8) substr(t, 23, 8) substr(t, 32, 8) substr(t, 41, 8); + } + if (revbytes) { a = gensub(/(..)(..)(..)(..)/, "\\4\\3\\2\\1", "g", a); } + sectdata[name] = a; + } + + match($0, /^([0-9a-f]+) [gl]...... (.*) [0-9a-f]+ __crc_(.*)$/, a) { + if (!(a[2] in sectdata)) { readsect(a[2]) } + printf("%s(%s) = 0x%08s\n", dep_pfx, a[3], substr(sectdata[a[2]], (strtonum("0x" a[1]) * 2) + 1, 8)) + }' + } [ -z "$tmpfile" ] || rm -f -- "$tmpfile" -done +done \ +| sort -k1,1 -u diff --git a/SOURCES/find-requires.ksyms b/SOURCES/find-requires.ksyms old mode 100755 new mode 100644 index e2cd33b..eac4010 --- a/SOURCES/find-requires.ksyms +++ b/SOURCES/find-requires.ksyms @@ -6,6 +6,11 @@ # provided by an external module and "ksym" replaces th regular "kernel" dep. IFS=$'\n' +export LC_ALL=C + +# Prevent elfutils from trying to download debuginfos +unset DEBUGINFOD_URLS + # Extract all of the symbols provided by this module. all_provides() { @@ -35,38 +40,57 @@ all_provides() { module="$tmpfile" fi - if nm "$module" | grep -qE '^([0-9a-f]+) A __crc_(.+)' 2> /dev/null; then - nm "$module" \ - | awk \ - -v 'dep_pfx='"$dep_pfx" \ - --non-decimal-data \ - 'match($0, /^([0-9a-f]+) A __crc_(.+)/, a) { printf("%s(%s) = 0x%08x\n", dep_pfx, a[2], strtonum("0x" a[1])) }' - else + # awk script return code: + # 0 - absolute __crc_* symbols have been found, output has been + # generated; + # 23 - a non-absolute __crc_* symbold has been found; + # 42 - no __crc_* symbols have been found. + nm "$module" \ + | awk \ + -v 'dep_pfx='"$dep_pfx" \ + --non-decimal-data \ + 'BEGIN { exit_code = 42 } + match($0, /^([0-9a-f]+) (.) __crc_(.+)/, a) { + if (a[2] == "A") { + printf("%s(%s) = 0x%08x\n", dep_pfx, a[3], strtonum("0x" a[1])); + exit_code = 0; + } else { + exit_code = 23; + exit; + } + } + END { exit exit_code }' + + [ 23 = "$?" ] && { + kmod_elf_hdr="$(readelf -h "$module")" + [ "x$kmod_elf_hdr" = "x${kmod_elf_hdr%Data:*little endian*}" ] + revbytes="$?" + objdump -t "$module" \ - | sed -n 's/^[0-9a-f][0-9a-f]* g...... \(.*\) [0-9a-f][0-9a-f]* __crc_.*$/\1/p' \ - | sort -u \ - | while read sectname; do - [ -n "$sectname" ] || continue - - ELFSECTDATA=$(readelf -R .rodata "$module" | awk '/0x/{printf $2$3$4$5}') - if [[ -n $(readelf -h "$module" | grep "little endian") ]]; then - SECTDATA=$(echo $ELFSECTDATA | sed 's/\(..\)\(..\)\(..\)\(..\)/\4\3\2\1/g') - else - SECTDATA=$ELFSECTDATA - fi - - objdump -t "$module" \ - | awk \ - -v 'dep_pfx='"$dep_pfx" \ - -v 'sectdata='"$SECTDATA" \ - --non-decimal-data \ - 'match($0, /^([0-9a-f]+) g...... .* [0-9a-f]+ __crc_(.*)$/, a) { printf("%s(%s) = 0x%08s\n", dep_pfx, a[2], substr(sectdata, (strtonum("0x" a[1]) * 2) + 1, 8)) }' - done - fi + | awk \ + -v 'dep_pfx='"$dep_pfx" \ + -v 'module='"$module" \ + -v 'revbytes='"$revbytes" \ + --non-decimal-data \ + 'function readsect(name, a, t) { + a = ""; + while (("readelf -R \"" name "\" \"" module "\"" | getline t) > 0) { + if (match(t, /^ 0x[0-9a-f]{8}/)) + a = a substr(t, 14, 8) substr(t, 23, 8) substr(t, 32, 8) substr(t, 41, 8); + } + if (revbytes) { a = gensub(/(..)(..)(..)(..)/, "\\4\\3\\2\\1", "g", a); } + sectdata[name] = a; + } + + match($0, /^([0-9a-f]+) [gl]...... (.*) [0-9a-f]+ __crc_(.*)$/, a) { + if (!(a[2] in sectdata)) { readsect(a[2]) } + printf("%s(%s) = 0x%08s\n", dep_pfx, a[3], substr(sectdata[a[2]], (strtonum("0x" a[1]) * 2) + 1, 8)) + }' + } [ -z "$tmpfile" ] || rm -f -- "$tmpfile" done \ - | LC_ALL=C sort -k1,1 -u + | sort -k1,1 -u } # Extract all of the requirements of this module. @@ -79,15 +103,15 @@ all_requires() { {printf("%s:0x%08x\n", $2, $1)}' \ | sed -r -e 's:$:\t'"$1"':' done \ - | LC_ALL=C sort -k1,1 -u + | sort -k1,1 -u } # Filter out requirements fulfilled by the module itself. mod_requires() { - LC_ALL=C join -t $'\t' -j 1 -v 1 \ + join -t $'\t' -j 1 -v 1 \ <(all_requires "$@") \ <(all_provides "$@") \ - | LC_ALL=C sort -k1,1 -u + | sort -k1,1 -u } if ! [ -e /sbin/modinfo -a -e /sbin/modprobe ]; then @@ -150,21 +174,21 @@ if [ ${#modules[@]} -gt 0 ]; then { print $2 ":" $1 } ' \ | sed -r -e 's:$:\t'"$kernel"':' \ - | LC_ALL=C sort -k1,1 -u > $symvers + | sort -k1,1 -u > $symvers # Symbols matching with the kernel get a "kernel" dependency mod_req=$(mktemp -t mod_req.XXXXX) mod_requires "${modules[@]}" > "$mod_req" - LC_ALL=C join -t $'\t' -j 1 $symvers "$mod_req" | LC_ALL=C sort -u \ + join -t $'\t' -j 1 $symvers "$mod_req" | sort -u \ | awk 'BEGIN { FS = "[\t:]" ; OFS = "\t" } { print "kernel(" $1 ") = " $2 }' # Symbols from elsewhere get a "ksym" dependency - LC_ALL=C join -t $'\t' -j 1 -v 2 $symvers "$mod_req" | LC_ALL=C sort -u \ + join -t $'\t' -j 1 -v 2 $symvers "$mod_req" | sort -u \ | awk 'BEGIN { FS = "[\t:]" ; OFS = "\t" } { print "ksym(" $1 ") = " $2 }' # Check kABI if the kabi-stablelists package is installed # Do this last so we can try to output this error at the end - kabi_check_symbols=($(LC_ALL=C join -t $'\t' -j 1 $symvers "$mod_req" | LC_ALL=C sort -u \ + kabi_check_symbols=($(join -t $'\t' -j 1 $symvers "$mod_req" | sort -u \ | awk 'BEGIN { FS = "[\t:]" ; OFS = "\t" } { print $1 }')) check_kabi "${kabi_check_symbols[@]}" fi diff --git a/SOURCES/kabi.attr b/SOURCES/kabi.attr index 2d81387..5500b17 100644 --- a/SOURCES/kabi.attr +++ b/SOURCES/kabi.attr @@ -1,2 +1,2 @@ %__kabi_provides %{_rpmconfigdir}/kabi.sh -%__kabi_path ^(/boot/symvers-.*|/lib/modules/[1-9].*/symvers)\.gz$ +%__kabi_path ^(/boot/symvers-.*|/lib/modules/[1-9].*/symvers)\.(gz|xz)$ diff --git a/SOURCES/kabi.sh b/SOURCES/kabi.sh index 3fb749b..dd49b8b 100644 --- a/SOURCES/kabi.sh +++ b/SOURCES/kabi.sh @@ -7,10 +7,16 @@ IFS=$'\n' -for symvers in $(grep -E '(/boot/symvers-.*|/lib/modules/[1-9].*/symvers)\.gz') "$@"; +for symvers in $(grep -E '(/boot/symvers-.*|/lib/modules/[1-9].*/symvers)\.(gz|xz)') "$@"; do + cat_prog="cat" + case "$symvers" in + *.gz) cat_prog="zcat" ;; + *.xz) cat_prog="xzcat" ;; + esac + # We generate dependencies only for symbols exported by vmlinux itself # and not for kmods here as they are spread across subpackages, # so Provides: generation for kmods is handled by find-provides.ksyms. - zcat $symvers | awk '/[^ ]* [^ ]* vmlinux .*/ { print "kernel(" $2 ") = " $1 }' + "$cat_prog" "$symvers" | awk '/[^ ]* [^ ]* vmlinux .*/ { print "kernel(" $2 ") = " $1 }' done diff --git a/SPECS/kernel-srpm-macros.spec b/SPECS/kernel-srpm-macros.spec index 63a29ed..76beedc 100644 --- a/SPECS/kernel-srpm-macros.spec +++ b/SPECS/kernel-srpm-macros.spec @@ -1,6 +1,6 @@ Name: kernel-srpm-macros Version: 1.0 -Release: 12%{?dist} +Release: 13%{?dist} Summary: RPM macros that list arches the full kernel is built on # This package only exist in Fedora repositories # The license is the standard (MIT) specified in @@ -134,6 +134,20 @@ install -p -m 644 -t "%{buildroot}%{_fileattrsdir}" modalias.attr %{rrcdir}/find-provides.d/modalias.prov %changelog +* Mon Jun 12 2023 Eugene Syromiatnikov - 1.0-13 +- Handle symvers.xz in kabi.attr (#2209253). +- Fix indirect __crc_* sumbols parsing in find-provides.ksyms + and find-requires.ksyms to avoid matching multiple sections + producing bogus duplicate provides for kmods that have both __kcrctab + and __kcrctab_gpl sections (#2115811, #2178935). +- Call "readelf -R" on a correct section in find-requires.ksyms. +- Rewrite section data extraction in find-provides.ksyms and find-requires.ksyms + to avoid garbage at the end of extracted sections, causing unnecessary awk + complaints (#2115811). +- Perform section parsing inside the awk script in find-provides.ksyms + and find-requires.ksyms to avoid hitting command line argument limit + when handling large .rodata sections (#2178935). + * Tue Jan 31 2023 Eugene Syromiatnikov - 1.0-12 - Support storing of __crc_* symbols in sections other than .rodata. - Resolves: #2135047