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import CS elfutils-0.189-3.el9

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This commit is contained in:
eabdullin 2023-09-21 18:21:07 +00:00
parent 8eedbcad73
commit ff587e57d4
9 changed files with 413 additions and 315 deletions
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2
.elfutils.metadata
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@ -1 +1 @@
5e23c010b7f9f45140a43e95d8d1f7fb04aa8302 SOURCES/elfutils-0.188.tar.bz2
a4b4a20bf3976e71c280b6dfb8443dbdcdd3f2f0 SOURCES/elfutils-0.189.tar.bz2

2
.gitignore vendored
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@ -1 +1 @@
SOURCES/elfutils-0.188.tar.bz2
SOURCES/elfutils-0.189.tar.bz2

109
SOURCES/elfutils-0.188-compile-warnings.patch
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@ -1,109 +0,0 @@
commit 75f2de448f311807e2493f2a37a980e2d872b229
Author: Mark Wielaard <mark@klomp.org>
Date: Thu Nov 3 13:38:45 2022 +0100
readelf: Check phdr != NULL or shdr != NULL in handle_dynamic.
The compiler doesn't know that when use_dynamic_segment is true,
then phdr should/will be non-NULL and otherwise shdr is non-NULL.
Add explicit checks to help the compiler out and in case an error
is made calling the handle_dynamic function.
Signed-off-by: Mark Wielaard <mark@klomp.org>
diff --git a/src/readelf.c b/src/readelf.c
index 0e0b05c4..e721a209 100644
--- a/src/readelf.c
+++ b/src/readelf.c
@@ -1828,7 +1828,7 @@ handle_dynamic (Ebl *ebl, Elf_Scn *scn, GElf_Shdr *shdr, GElf_Phdr *phdr)
size_t dyn_ents;
/* Get the data of the section. */
- if (use_dynamic_segment)
+ if (use_dynamic_segment && phdr != NULL)
data = elf_getdata_rawchunk(ebl->elf, phdr->p_offset,
phdr->p_filesz, ELF_T_DYN);
else
@@ -1840,7 +1840,7 @@ handle_dynamic (Ebl *ebl, Elf_Scn *scn, GElf_Shdr *shdr, GElf_Phdr *phdr)
/* Get the dynamic section entry number */
dyn_ents = get_dyn_ents (data);
- if (!use_dynamic_segment)
+ if (!use_dynamic_segment && shdr != NULL)
{
/* Get the section header string table index. */
if (unlikely (elf_getshdrstrndx (ebl->elf, &shstrndx) < 0))
@@ -1862,7 +1862,7 @@ handle_dynamic (Ebl *ebl, Elf_Scn *scn, GElf_Shdr *shdr, GElf_Phdr *phdr)
(int) shdr->sh_link,
elf_strptr (ebl->elf, shstrndx, glink->sh_name));
}
- else
+ else if (phdr != NULL)
{
printf (ngettext ("\
\nDynamic segment contains %lu entry:\n Addr: %#0*" PRIx64 " Offset: %#08" PRIx64 "\n",
@@ -1879,7 +1879,7 @@ handle_dynamic (Ebl *ebl, Elf_Scn *scn, GElf_Shdr *shdr, GElf_Phdr *phdr)
/* if --use-dynamic option is enabled,
use the string table to get the related library info. */
Elf_Data *strtab_data = NULL;
- if (use_dynamic_segment)
+ if (use_dynamic_segment && phdr != NULL)
{
strtab_data = get_dynscn_strtab(ebl->elf, phdr);
if (strtab_data == NULL)
@@ -1903,7 +1903,7 @@ handle_dynamic (Ebl *ebl, Elf_Scn *scn, GElf_Shdr *shdr, GElf_Phdr *phdr)
|| dyn->d_tag == DT_RPATH
|| dyn->d_tag == DT_RUNPATH)
{
- if (! use_dynamic_segment)
+ if (! use_dynamic_segment && shdr != NULL)
name = elf_strptr (ebl->elf, shdr->sh_link, dyn->d_un.d_val);
else if (dyn->d_un.d_val < strtab_data->d_size
&& memrchr (strtab_data->d_buf + dyn->d_un.d_val, '\0',
commit b0a0235771906e3bcd6174c4e3c020b5522b0be5
Author: Mark Wielaard <mark@klomp.org>
Date: Thu Nov 3 13:44:35 2022 +0100
libdw: Don't dereference and assign values we are skipping
We don't use the FDE address encoding byte, so no reason
to read and store it. Just skip past it.
Signed-off-by: Mark Wielaard <mark@klomp.org>
diff --git a/libdw/dwarf_next_cfi.c b/libdw/dwarf_next_cfi.c
index 23b16885..be08984f 100644
--- a/libdw/dwarf_next_cfi.c
+++ b/libdw/dwarf_next_cfi.c
@@ -226,7 +226,7 @@ dwarf_next_cfi (const unsigned char e_ident[],
if (sized_augmentation)
{
/* Skip FDE address encoding byte. */
- encoding = *bytes++;
+ bytes++;
continue;
}
break;
commit 52a6a3110e019d696284fdd822c2a2f0987dded2
Author: Mark Wielaard <mark@klomp.org>
Date: Thu Nov 3 13:52:32 2022 +0100
readelf: Check gelf_getdyn doesn't return NULL
Signed-off-by: Mark Wielaard <mark@klomp.org>
diff --git a/src/readelf.c b/src/readelf.c
index e721a209..3dafb041 100644
--- a/src/readelf.c
+++ b/src/readelf.c
@@ -4910,7 +4910,7 @@ get_dynscn_addrs(Elf *elf, GElf_Phdr *phdr, GElf_Addr addrs[i_max])
GElf_Dyn dyn_mem;
GElf_Dyn *dyn = gelf_getdyn(data, dyn_idx, &dyn_mem);
/* DT_NULL Marks end of dynamic section. */
- if (dyn->d_tag == DT_NULL)
+ if (dyn == NULL || dyn->d_tag == DT_NULL)
break;
switch (dyn->d_tag) {

171
SOURCES/elfutils-0.188-debuginfod-client-lifetime.patch
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@ -1,171 +0,0 @@
commit c424e5f3d24f76e01242d15ba361dc6234706fed
Author: Frank Ch. Eigler <fche@redhat.com>
Date: Thu Nov 3 10:07:31 2022 -0400
debuginfod.cxx: fix coverity-found use-after-release error
The debuginfod_client object lifetime needs more careful handling,
made easier with the defer_dtor<> gadget.
Signed-off-by: Frank Ch. Eigler <fche@redhat.com>
diff --git a/debuginfod/debuginfod.cxx b/debuginfod/debuginfod.cxx
index f46da6ef..02a11477 100644
--- a/debuginfod/debuginfod.cxx
+++ b/debuginfod/debuginfod.cxx
@@ -2249,85 +2249,82 @@ handle_buildid (MHD_Connection* conn,
int fd = -1;
debuginfod_client *client = debuginfod_pool_begin ();
- if (client != NULL)
- {
- debuginfod_set_progressfn (client, & debuginfod_find_progress);
+ if (client == NULL)
+ throw libc_exception(errno, "debuginfod client pool alloc");
+ defer_dtor<debuginfod_client*,void> client_closer (client, debuginfod_pool_end);
+
+ debuginfod_set_progressfn (client, & debuginfod_find_progress);
- if (conn)
- {
- // Transcribe incoming User-Agent:
- string ua = MHD_lookup_connection_value (conn, MHD_HEADER_KIND, "User-Agent") ?: "";
- string ua_complete = string("User-Agent: ") + ua;
- debuginfod_add_http_header (client, ua_complete.c_str());
-
- // Compute larger XFF:, for avoiding info loss during
- // federation, and for future cyclicity detection.
- string xff = MHD_lookup_connection_value (conn, MHD_HEADER_KIND, "X-Forwarded-For") ?: "";
- if (xff != "")
- xff += string(", "); // comma separated list
-
- unsigned int xff_count = 0;
- for (auto&& i : xff){
- if (i == ',') xff_count++;
- }
+ if (conn)
+ {
+ // Transcribe incoming User-Agent:
+ string ua = MHD_lookup_connection_value (conn, MHD_HEADER_KIND, "User-Agent") ?: "";
+ string ua_complete = string("User-Agent: ") + ua;
+ debuginfod_add_http_header (client, ua_complete.c_str());
+
+ // Compute larger XFF:, for avoiding info loss during
+ // federation, and for future cyclicity detection.
+ string xff = MHD_lookup_connection_value (conn, MHD_HEADER_KIND, "X-Forwarded-For") ?: "";
+ if (xff != "")
+ xff += string(", "); // comma separated list
+
+ unsigned int xff_count = 0;
+ for (auto&& i : xff){
+ if (i == ',') xff_count++;
+ }
- // if X-Forwarded-For: exceeds N hops,
- // do not delegate a local lookup miss to upstream debuginfods.
- if (xff_count >= forwarded_ttl_limit)
- throw reportable_exception(MHD_HTTP_NOT_FOUND, "not found, --forwared-ttl-limit reached \
+ // if X-Forwarded-For: exceeds N hops,
+ // do not delegate a local lookup miss to upstream debuginfods.
+ if (xff_count >= forwarded_ttl_limit)
+ throw reportable_exception(MHD_HTTP_NOT_FOUND, "not found, --forwared-ttl-limit reached \
and will not query the upstream servers");
- // Compute the client's numeric IP address only - so can't merge with conninfo()
- const union MHD_ConnectionInfo *u = MHD_get_connection_info (conn,
- MHD_CONNECTION_INFO_CLIENT_ADDRESS);
- struct sockaddr *so = u ? u->client_addr : 0;
- char hostname[256] = ""; // RFC1035
- if (so && so->sa_family == AF_INET) {
- (void) getnameinfo (so, sizeof (struct sockaddr_in), hostname, sizeof (hostname), NULL, 0,
- NI_NUMERICHOST);
- } else if (so && so->sa_family == AF_INET6) {
- struct sockaddr_in6* addr6 = (struct sockaddr_in6*) so;
- if (IN6_IS_ADDR_V4MAPPED(&addr6->sin6_addr)) {
- struct sockaddr_in addr4;
- memset (&addr4, 0, sizeof(addr4));
- addr4.sin_family = AF_INET;
- addr4.sin_port = addr6->sin6_port;
- memcpy (&addr4.sin_addr.s_addr, addr6->sin6_addr.s6_addr+12, sizeof(addr4.sin_addr.s_addr));
- (void) getnameinfo ((struct sockaddr*) &addr4, sizeof (addr4),
- hostname, sizeof (hostname), NULL, 0,
- NI_NUMERICHOST);
- } else {
- (void) getnameinfo (so, sizeof (struct sockaddr_in6), hostname, sizeof (hostname), NULL, 0,
- NI_NUMERICHOST);
- }
- }
-
- string xff_complete = string("X-Forwarded-For: ")+xff+string(hostname);
- debuginfod_add_http_header (client, xff_complete.c_str());
+ // Compute the client's numeric IP address only - so can't merge with conninfo()
+ const union MHD_ConnectionInfo *u = MHD_get_connection_info (conn,
+ MHD_CONNECTION_INFO_CLIENT_ADDRESS);
+ struct sockaddr *so = u ? u->client_addr : 0;
+ char hostname[256] = ""; // RFC1035
+ if (so && so->sa_family == AF_INET) {
+ (void) getnameinfo (so, sizeof (struct sockaddr_in), hostname, sizeof (hostname), NULL, 0,
+ NI_NUMERICHOST);
+ } else if (so && so->sa_family == AF_INET6) {
+ struct sockaddr_in6* addr6 = (struct sockaddr_in6*) so;
+ if (IN6_IS_ADDR_V4MAPPED(&addr6->sin6_addr)) {
+ struct sockaddr_in addr4;
+ memset (&addr4, 0, sizeof(addr4));
+ addr4.sin_family = AF_INET;
+ addr4.sin_port = addr6->sin6_port;
+ memcpy (&addr4.sin_addr.s_addr, addr6->sin6_addr.s6_addr+12, sizeof(addr4.sin_addr.s_addr));
+ (void) getnameinfo ((struct sockaddr*) &addr4, sizeof (addr4),
+ hostname, sizeof (hostname), NULL, 0,
+ NI_NUMERICHOST);
+ } else {
+ (void) getnameinfo (so, sizeof (struct sockaddr_in6), hostname, sizeof (hostname), NULL, 0,
+ NI_NUMERICHOST);
}
-
- if (artifacttype == "debuginfo")
- fd = debuginfod_find_debuginfo (client,
- (const unsigned char*) buildid.c_str(),
- 0, NULL);
- else if (artifacttype == "executable")
- fd = debuginfod_find_executable (client,
- (const unsigned char*) buildid.c_str(),
- 0, NULL);
- else if (artifacttype == "source")
- fd = debuginfod_find_source (client,
- (const unsigned char*) buildid.c_str(),
- 0, suffix.c_str(), NULL);
- else if (artifacttype == "section")
- fd = debuginfod_find_section (client,
- (const unsigned char*) buildid.c_str(),
- 0, section.c_str(), NULL);
-
+ }
+
+ string xff_complete = string("X-Forwarded-For: ")+xff+string(hostname);
+ debuginfod_add_http_header (client, xff_complete.c_str());
}
- else
- fd = -errno; /* Set by debuginfod_begin. */
- debuginfod_pool_end (client);
-
+
+ if (artifacttype == "debuginfo")
+ fd = debuginfod_find_debuginfo (client,
+ (const unsigned char*) buildid.c_str(),
+ 0, NULL);
+ else if (artifacttype == "executable")
+ fd = debuginfod_find_executable (client,
+ (const unsigned char*) buildid.c_str(),
+ 0, NULL);
+ else if (artifacttype == "source")
+ fd = debuginfod_find_source (client,
+ (const unsigned char*) buildid.c_str(),
+ 0, suffix.c_str(), NULL);
+ else if (artifacttype == "section")
+ fd = debuginfod_find_section (client,
+ (const unsigned char*) buildid.c_str(),
+ 0, section.c_str(), NULL);
+
if (fd >= 0)
{
if (conn != 0)

24
SOURCES/elfutils-0.188-static-extract_section.patch
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@ -1,24 +0,0 @@
commit 58a7aa900bc2d9822b0d0cb596ba95a21ff0fd2d
Author: Mark Wielaard <mark@klomp.org>
Date: Wed Nov 2 17:54:11 2022 +0100
debuginfod: Mark extract_section function static
The extract_section function in debuginfod-client.c is an internal
function and should not be exported. Mark it as static.
Signed-off-by: Mark Wielaard <mark@klomp.org>
diff --git a/debuginfod/debuginfod-client.c b/debuginfod/debuginfod-client.c
index 0c4a00cf..f48e32cc 100644
--- a/debuginfod/debuginfod-client.c
+++ b/debuginfod/debuginfod-client.c
@@ -621,7 +621,7 @@ path_escape (const char *src, char *dest)
section name was not found. -EEXIST indicates that the section was
found but had type SHT_NOBITS. */
-int
+static int
extract_section (int fd, const char *section, char *fd_path, char **usr_path)
{
elf_version (EV_CURRENT);

73
SOURCES/elfutils-0.189-debuginfod_config_cache-double-close.patch Normal file
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@ -0,0 +1,73 @@
diff --git a/debuginfod/debuginfod-client.c b/debuginfod/debuginfod-client.c
index ef4d47e3..d92d8d62 100644
--- a/debuginfod/debuginfod-client.c
+++ b/debuginfod/debuginfod-client.c
@@ -248,7 +248,7 @@ debuginfod_write_callback (char *ptr, size_t size, size_t nmemb, void *data)
/* handle config file read and write */
static int
-debuginfod_config_cache(char *config_path,
+debuginfod_config_cache(debuginfod_client *c, char *config_path,
long cache_config_default_s,
struct stat *st)
{
@@ -277,17 +277,27 @@ debuginfod_config_cache(char *config_path,
}
long cache_config;
+ /* PR29696 - NB: When using fdopen, the file descriptor is NOT
+ dup'ed and will be closed when the stream is closed. Manually
+ closing fd after fclose is called will lead to a race condition
+ where, if reused, the file descriptor will compete for its
+ regular use before being incorrectly closed here. */
FILE *config_file = fdopen(fd, "r");
if (config_file)
{
if (fscanf(config_file, "%ld", &cache_config) != 1)
- cache_config = cache_config_default_s;
- fclose(config_file);
+ cache_config = cache_config_default_s;
+ if (0 != fclose (config_file) && c->verbose_fd >= 0)
+ dprintf (c->verbose_fd, "fclose failed with %s (err=%d)\n",
+ strerror (errno), errno);
}
else
- cache_config = cache_config_default_s;
-
- close (fd);
+ {
+ cache_config = cache_config_default_s;
+ if (0 != close (fd) && c->verbose_fd >= 0)
+ dprintf (c->verbose_fd, "close failed with %s (err=%d)\n",
+ strerror (errno), errno);
+ }
return cache_config;
}
@@ -303,7 +313,7 @@ debuginfod_clean_cache(debuginfod_client *c,
struct stat st;
/* Create new interval file. */
- rc = debuginfod_config_cache(interval_path,
+ rc = debuginfod_config_cache(c, interval_path,
cache_clean_default_interval_s, &st);
if (rc < 0)
return rc;
@@ -320,7 +330,7 @@ debuginfod_clean_cache(debuginfod_client *c,
utime (interval_path, NULL);
/* Read max unused age value from config file. */
- rc = debuginfod_config_cache(max_unused_path,
+ rc = debuginfod_config_cache(c, max_unused_path,
cache_default_max_unused_age_s, &st);
if (rc < 0)
return rc;
@@ -1110,7 +1135,7 @@ debuginfod_query_server (debuginfod_client *c,
close(fd); /* no need to hold onto the negative-hit file descriptor */
- rc = debuginfod_config_cache(cache_miss_path,
+ rc = debuginfod_config_cache(c, cache_miss_path,
cache_miss_default_s, &st);
if (rc < 0)
goto out;

224
SOURCES/elfutils-0.189-elf_getdata_rawchunk.patch Normal file
View File

@ -0,0 +1,224 @@
From 3aca5b5f1f1617db2220022d9061dcaf129e54c4 Mon Sep 17 00:00:00 2001
From: Mark Wielaard <mark@klomp.org>
Date: Wed, 21 Jun 2023 18:05:12 +0200
Subject: [PATCH] libelf: Replace list of elf_getdata_rawchunk results with a
tree
elf_getdata_rawchunks did a linear search to see if a chunk was
already fetched. Replace this list with a binary search tree to make
lookup faster when a lot of Elf_Data_Chunk were created.
* libelf/libelfP.h (Elf_Data_Chunk): Remove next field.
(struct Elf): Change the rawchunks type from Elf_Data_Chunk *
to void *.
* elf_getdata_rawchunk.c (chunk_compare): New static function.
(elf_getdata_rawchunk): Use tsearch instead of a manual linked
list.
* elf_end.c (free_chunk): New static function.
(elf_end): Call tdestroy instead of walking linked list.
Signed-off-by: Mark Wielaard <mark@klomp.org>
---
libelf/elf_end.c | 22 +++++++++-------
libelf/elf_getdata_rawchunk.c | 47 +++++++++++++++++++++++++----------
libelf/libelfP.h | 13 ++++------
3 files changed, 52 insertions(+), 30 deletions(-)
diff --git a/libelf/elf_end.c b/libelf/elf_end.c
index 5c451f36..3e5d4c86 100644
--- a/libelf/elf_end.c
+++ b/libelf/elf_end.c
@@ -1,5 +1,6 @@
/* Free resources associated with Elf descriptor.
Copyright (C) 1998,1999,2000,2001,2002,2004,2005,2007,2015,2016 Red Hat, Inc.
+ Copyright (C) 2023 Mark J. Wielaard <mark@klomp.org>
This file is part of elfutils.
Written by Ulrich Drepper <drepper@redhat.com>, 1998.
@@ -32,12 +33,22 @@
#endif
#include <assert.h>
+#include <search.h>
#include <stddef.h>
#include <stdlib.h>
#include "libelfP.h"
+static void
+free_chunk (void *n)
+{
+ Elf_Data_Chunk *rawchunk = (Elf_Data_Chunk *)n;
+ if (rawchunk->dummy_scn.flags & ELF_F_MALLOCED)
+ free (rawchunk->data.d.d_buf);
+ free (rawchunk);
+}
+
int
elf_end (Elf *elf)
{
@@ -112,20 +123,13 @@ elf_end (Elf *elf)
case ELF_K_ELF:
{
- Elf_Data_Chunk *rawchunks
+ void *rawchunks
= (elf->class == ELFCLASS32
|| (offsetof (struct Elf, state.elf32.rawchunks)
== offsetof (struct Elf, state.elf64.rawchunks))
? elf->state.elf32.rawchunks
: elf->state.elf64.rawchunks);
- while (rawchunks != NULL)
- {
- Elf_Data_Chunk *next = rawchunks->next;
- if (rawchunks->dummy_scn.flags & ELF_F_MALLOCED)
- free (rawchunks->data.d.d_buf);
- free (rawchunks);
- rawchunks = next;
- }
+ tdestroy (rawchunks, free_chunk);
Elf_ScnList *list = (elf->class == ELFCLASS32
|| (offsetof (struct Elf, state.elf32.scns)
diff --git a/libelf/elf_getdata_rawchunk.c b/libelf/elf_getdata_rawchunk.c
index 5a35ccdc..cfd40396 100644
--- a/libelf/elf_getdata_rawchunk.c
+++ b/libelf/elf_getdata_rawchunk.c
@@ -1,6 +1,6 @@
/* Return converted data from raw chunk of ELF file.
Copyright (C) 2007, 2014, 2015 Red Hat, Inc.
- Copyright (C) 2022 Mark J. Wielaard <mark@klomp.org>
+ Copyright (C) 2022, 2023 Mark J. Wielaard <mark@klomp.org>
This file is part of elfutils.
This file is free software; you can redistribute it and/or modify
@@ -33,12 +33,28 @@
#include <assert.h>
#include <errno.h>
+#include <search.h>
#include <stdlib.h>
#include <string.h>
#include "libelfP.h"
#include "common.h"
+static int
+chunk_compare (const void *a, const void *b)
+{
+ Elf_Data_Chunk *da = (Elf_Data_Chunk *)a;
+ Elf_Data_Chunk *db = (Elf_Data_Chunk *)b;
+
+ if (da->offset != db->offset)
+ return da->offset - db->offset;
+
+ if (da->data.d.d_size != db->data.d.d_size)
+ return da->data.d.d_size - db->data.d.d_size;
+
+ return da->data.d.d_type - db->data.d.d_type;
+}
+
Elf_Data *
elf_getdata_rawchunk (Elf *elf, int64_t offset, size_t size, Elf_Type type)
{
@@ -75,19 +91,25 @@ elf_getdata_rawchunk (Elf *elf, int64_t offset, size_t size, Elf_Type type)
rwlock_rdlock (elf->lock);
/* Maybe we already got this chunk? */
- Elf_Data_Chunk *rawchunks = elf->state.elf.rawchunks;
- while (rawchunks != NULL)
+ Elf_Data_Chunk key;
+ key.offset = offset;
+ key.data.d.d_size = size;
+ key.data.d.d_type = type;
+ Elf_Data_Chunk **found = tsearch (&key, &elf->state.elf.rawchunks,
+ &chunk_compare);
+ if (found == NULL)
+ goto nomem;
+
+ /* Existing entry. */
+ if (*found != &key && *found != NULL)
{
- if ((rawchunks->offset == offset || size == 0)
- && rawchunks->data.d.d_size == size
- && rawchunks->data.d.d_type == type)
- {
- result = &rawchunks->data.d;
- goto out;
- }
- rawchunks = rawchunks->next;
+ result = &(*found)->data.d;
+ goto out;
}
+ /* New entry. */
+ *found = NULL;
+
size_t align = __libelf_type_align (elf->class, type);
if (elf->map_address != NULL)
{
@@ -189,8 +211,7 @@ elf_getdata_rawchunk (Elf *elf, int64_t offset, size_t size, Elf_Type type)
rwlock_unlock (elf->lock);
rwlock_wrlock (elf->lock);
- chunk->next = elf->state.elf.rawchunks;
- elf->state.elf.rawchunks = chunk;
+ *found = chunk;
result = &chunk->data.d;
out:
diff --git a/libelf/libelfP.h b/libelf/libelfP.h
index 6624f38a..d3c241e5 100644
--- a/libelf/libelfP.h
+++ b/libelf/libelfP.h
@@ -1,5 +1,6 @@
/* Internal interfaces for libelf.
Copyright (C) 1998-2010, 2015, 2016 Red Hat, Inc.
+ Copyright (C) 2023 Mark J. Wielaard <mark@klomp.org>
This file is part of elfutils.
Contributed by Ulrich Drepper <drepper@redhat.com>, 1998.
@@ -262,11 +263,7 @@ typedef struct Elf_ScnList
typedef struct Elf_Data_Chunk
{
Elf_Data_Scn data;
- union
- {
- Elf_Scn dummy_scn;
- struct Elf_Data_Chunk *next;
- };
+ Elf_Scn dummy_scn;
int64_t offset; /* The original raw offset in the Elf image. */
} Elf_Data_Chunk;
@@ -324,7 +321,7 @@ struct Elf
Elf_ScnList *scns_last; /* Last element in the section list.
If NULL the data has not yet been
read from the file. */
- Elf_Data_Chunk *rawchunks; /* List of elf_getdata_rawchunk results. */
+ void *rawchunks; /* Tree of elf_getdata_rawchunk results. */
unsigned int scnincr; /* Number of sections allocate the last
time. */
int ehdr_flags; /* Flags (dirty) for ELF header. */
@@ -343,7 +340,7 @@ struct Elf
Elf_ScnList *scns_last; /* Last element in the section list.
If NULL the data has not yet been
read from the file. */
- Elf_Data_Chunk *rawchunks; /* List of elf_getdata_rawchunk results. */
+ void *rawchunks; /* Tree of elf_getdata_rawchunk results. */
unsigned int scnincr; /* Number of sections allocate the last
time. */
int ehdr_flags; /* Flags (dirty) for ELF header. */
@@ -368,7 +365,7 @@ struct Elf
Elf_ScnList *scns_last; /* Last element in the section list.
If NULL the data has not yet been
read from the file. */
- Elf_Data_Chunk *rawchunks; /* List of elf_getdata_rawchunk results. */
+ void *rawchunks; /* Tree of elf_getdata_rawchunk results. */
unsigned int scnincr; /* Number of sections allocate the last
time. */
int ehdr_flags; /* Flags (dirty) for ELF header. */
--
2.40.1

95
SOURCES/elfutils-0.189-elfcompress.patch Normal file
View File

@ -0,0 +1,95 @@
From ef9164520c81ea61efe88777a8ad61bf17a54201 Mon Sep 17 00:00:00 2001
From: Mark Wielaard <mark@klomp.org>
Date: Sat, 22 Apr 2023 01:26:17 +0200
Subject: [PATCH] elfcompress: Don't compress if section already compressed
unless forced
Before commit a5b07cdf9 "support ZSTD compression algorithm"
elfcompress would not try to compress a section if it already
had the requested compression type (or was already uncompressed)
unless the --force flag was given. An else if construct was changed
to an if in the commit causing elfcompress to warn (in verbose mode)
but then still try to (re)compress the section.
Add an explicit check so if nothing needs (un)compressing, the file
isn't changed.
The diff looks large, but git diff -b -w is just:
+ if (force || type != schtype)
+ {
if (shdr->sh_type != SHT_NOBITS
&& (shdr->sh_flags & SHF_ALLOC) == 0)
{
@@ -554,6 +556,7 @@ process_file (const char *fname)
printf ("[%zd] %s ignoring %s section\n", ndx, sname,
(shdr->sh_type == SHT_NOBITS ? "no bits" : "allocated"));
}
+ }
Signed-off-by: Mark Wielaard <mark@klomp.org>
---
src/elfcompress.c | 43 +++++++++++++++++++++++--------------------
1 file changed, 23 insertions(+), 20 deletions(-)
diff --git a/src/elfcompress.c b/src/elfcompress.c
index 18ade66f..f771b92a 100644
--- a/src/elfcompress.c
+++ b/src/elfcompress.c
@@ -529,30 +529,33 @@ process_file (const char *fname)
}
}
- if (shdr->sh_type != SHT_NOBITS
- && (shdr->sh_flags & SHF_ALLOC) == 0)
+ if (force || type != schtype)
{
- set_section (sections, ndx);
- /* Check if we might want to change this section name. */
- if (! adjust_names
- && ((type != ZLIB_GNU
- && startswith (sname, ".zdebug"))
- || (type == ZLIB_GNU
- && startswith (sname, ".debug"))))
- adjust_names = true;
-
- /* We need a buffer this large if we change the names. */
- if (adjust_names)
+ if (shdr->sh_type != SHT_NOBITS
+ && (shdr->sh_flags & SHF_ALLOC) == 0)
{
- size_t slen = strlen (sname);
- if (slen > maxnamelen)
- maxnamelen = slen;
+ set_section (sections, ndx);
+ /* Check if we might want to change this section name. */
+ if (! adjust_names
+ && ((type != ZLIB_GNU
+ && startswith (sname, ".zdebug"))
+ || (type == ZLIB_GNU
+ && startswith (sname, ".debug"))))
+ adjust_names = true;
+
+ /* We need a buffer this large if we change the names. */
+ if (adjust_names)
+ {
+ size_t slen = strlen (sname);
+ if (slen > maxnamelen)
+ maxnamelen = slen;
+ }
}
+ else
+ if (verbose >= 0)
+ printf ("[%zd] %s ignoring %s section\n", ndx, sname,
+ (shdr->sh_type == SHT_NOBITS ? "no bits" : "allocated"));
}
- else
- if (verbose >= 0)
- printf ("[%zd] %s ignoring %s section\n", ndx, sname,
- (shdr->sh_type == SHT_NOBITS ? "no bits" : "allocated"));
}
if (shdr->sh_type == SHT_SYMTAB)
--
2.31.1

28
SPECS/elfutils.spec
View File

@ -1,5 +1,5 @@
Name: elfutils
Version: 0.188
Version: 0.189
%global baserelease 3
Release: %{baserelease}%{?dist}
URL: http://elfutils.org/
@ -73,12 +73,12 @@ BuildRequires: gettext-devel
# Patches
# Don't export internal function.
Patch1: elfutils-0.188-static-extract_section.patch
# Silence some compiler warnings
Patch2: elfutils-0.188-compile-warnings.patch
# The debuginfod_client object lifetime needs more careful handling
Patch3: elfutils-0.188-debuginfod-client-lifetime.patch
# elfcompress: Don't compress if section already compressed unless forced
Patch1: elfutils-0.189-elfcompress.patch
# libelf: Replace list of elf_getdata_rawchunk results with a tree
Patch2: elfutils-0.189-elf_getdata_rawchunk.patch
# PR29696: Removed secondary fd close in cache config causing race condition
Patch3: elfutils-0.189-debuginfod_config_cache-double-close.patch
%description
Elfutils is a collection of utilities, including stack (to show
@ -279,9 +279,9 @@ RPM_OPT_FLAGS="${RPM_OPT_FLAGS} -Wformat"
trap 'cat config.log' EXIT
%if 0%{?centos} >= 8
%configure CFLAGS="$RPM_OPT_FLAGS -fexceptions" --enable-debuginfod-urls=https://debuginfod.centos.org/
%configure CFLAGS="$RPM_OPT_FLAGS" --enable-debuginfod-urls=https://debuginfod.centos.org/
%else
%configure CFLAGS="$RPM_OPT_FLAGS -fexceptions"
%configure CFLAGS="$RPM_OPT_FLAGS"
%endif
trap '' EXIT
%make_build
@ -455,6 +455,16 @@ exit 0
%systemd_postun_with_restart debuginfod.service
%changelog
* Wed Jun 28 2023 Mark Wielaard <mjw@redhat.com> - 0.189-3
- Add elfutils-0.189-elf_getdata_rawchunk.patch
- Add elfutils-0.189-debuginfod_config_cache-double-close.patch
* Mon Apr 24 2023 Mark Wielaard <mjw@redhat.com> - 0.189-2
- Add elfutils-0.189-elfcompress.patch
* Tue Apr 4 2023 Mark Wielaard <mjw@redhat.com> - 0.189-1
- Upgrade to upsteam elfutils 0.189.
* Mon Nov 7 2022 Mark Wielaard <mjw@redhat.com> - 0.188-3
- Add elfutils-0.188-compile-warnings.patch
- Add elfutils-0.188-debuginfod-client-lifetime.patch