import UBI elfutils-0.190-2.el8
This commit is contained in:
parent
39b3b73df2
commit
1a55b02031
@ -1 +1,2 @@
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a4b4a20bf3976e71c280b6dfb8443dbdcdd3f2f0 SOURCES/elfutils-0.189.tar.bz2
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b33fdb927bc154f6ca6285194d0e40fb76877dd0 SOURCES/elfutils-0.190.tar.bz2
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f9875667f09b76d7a2c2bf19c9df80a5a95c1824 SOURCES/testcore-noncontig.bz2
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3
.gitignore
vendored
3
.gitignore
vendored
@ -1 +1,2 @@
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SOURCES/elfutils-0.189.tar.bz2
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SOURCES/elfutils-0.190.tar.bz2
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SOURCES/testcore-noncontig.bz2
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@ -1,73 +0,0 @@
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diff --git a/debuginfod/debuginfod-client.c b/debuginfod/debuginfod-client.c
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index ef4d47e3..d92d8d62 100644
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--- a/debuginfod/debuginfod-client.c
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+++ b/debuginfod/debuginfod-client.c
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@@ -248,7 +248,7 @@ debuginfod_write_callback (char *ptr, size_t size, size_t nmemb, void *data)
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/* handle config file read and write */
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static int
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-debuginfod_config_cache(char *config_path,
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+debuginfod_config_cache(debuginfod_client *c, char *config_path,
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long cache_config_default_s,
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struct stat *st)
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{
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@@ -277,17 +277,27 @@ debuginfod_config_cache(char *config_path,
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}
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long cache_config;
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+ /* PR29696 - NB: When using fdopen, the file descriptor is NOT
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+ dup'ed and will be closed when the stream is closed. Manually
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+ closing fd after fclose is called will lead to a race condition
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+ where, if reused, the file descriptor will compete for its
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+ regular use before being incorrectly closed here. */
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FILE *config_file = fdopen(fd, "r");
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if (config_file)
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{
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if (fscanf(config_file, "%ld", &cache_config) != 1)
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- cache_config = cache_config_default_s;
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- fclose(config_file);
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+ cache_config = cache_config_default_s;
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+ if (0 != fclose (config_file) && c->verbose_fd >= 0)
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+ dprintf (c->verbose_fd, "fclose failed with %s (err=%d)\n",
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+ strerror (errno), errno);
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}
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else
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- cache_config = cache_config_default_s;
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-
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- close (fd);
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+ {
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+ cache_config = cache_config_default_s;
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+ if (0 != close (fd) && c->verbose_fd >= 0)
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+ dprintf (c->verbose_fd, "close failed with %s (err=%d)\n",
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+ strerror (errno), errno);
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+ }
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return cache_config;
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}
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@@ -303,7 +313,7 @@ debuginfod_clean_cache(debuginfod_client *c,
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struct stat st;
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/* Create new interval file. */
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- rc = debuginfod_config_cache(interval_path,
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+ rc = debuginfod_config_cache(c, interval_path,
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cache_clean_default_interval_s, &st);
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if (rc < 0)
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return rc;
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@@ -320,7 +330,7 @@ debuginfod_clean_cache(debuginfod_client *c,
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utime (interval_path, NULL);
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/* Read max unused age value from config file. */
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- rc = debuginfod_config_cache(max_unused_path,
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+ rc = debuginfod_config_cache(c, max_unused_path,
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cache_default_max_unused_age_s, &st);
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if (rc < 0)
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return rc;
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@@ -1110,7 +1135,7 @@ debuginfod_query_server (debuginfod_client *c,
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close(fd); /* no need to hold onto the negative-hit file descriptor */
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- rc = debuginfod_config_cache(cache_miss_path,
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+ rc = debuginfod_config_cache(c, cache_miss_path,
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cache_miss_default_s, &st);
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if (rc < 0)
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goto out;
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@ -1,224 +0,0 @@
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From 3aca5b5f1f1617db2220022d9061dcaf129e54c4 Mon Sep 17 00:00:00 2001
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From: Mark Wielaard <mark@klomp.org>
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Date: Wed, 21 Jun 2023 18:05:12 +0200
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Subject: [PATCH] libelf: Replace list of elf_getdata_rawchunk results with a
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tree
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elf_getdata_rawchunks did a linear search to see if a chunk was
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already fetched. Replace this list with a binary search tree to make
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lookup faster when a lot of Elf_Data_Chunk were created.
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* libelf/libelfP.h (Elf_Data_Chunk): Remove next field.
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(struct Elf): Change the rawchunks type from Elf_Data_Chunk *
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to void *.
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* elf_getdata_rawchunk.c (chunk_compare): New static function.
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(elf_getdata_rawchunk): Use tsearch instead of a manual linked
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list.
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* elf_end.c (free_chunk): New static function.
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(elf_end): Call tdestroy instead of walking linked list.
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Signed-off-by: Mark Wielaard <mark@klomp.org>
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---
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libelf/elf_end.c | 22 +++++++++-------
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libelf/elf_getdata_rawchunk.c | 47 +++++++++++++++++++++++++----------
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libelf/libelfP.h | 13 ++++------
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3 files changed, 52 insertions(+), 30 deletions(-)
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diff --git a/libelf/elf_end.c b/libelf/elf_end.c
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index 5c451f36..3e5d4c86 100644
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--- a/libelf/elf_end.c
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+++ b/libelf/elf_end.c
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@@ -1,5 +1,6 @@
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/* Free resources associated with Elf descriptor.
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Copyright (C) 1998,1999,2000,2001,2002,2004,2005,2007,2015,2016 Red Hat, Inc.
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+ Copyright (C) 2023 Mark J. Wielaard <mark@klomp.org>
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This file is part of elfutils.
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Written by Ulrich Drepper <drepper@redhat.com>, 1998.
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@@ -32,12 +33,22 @@
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#endif
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#include <assert.h>
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+#include <search.h>
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#include <stddef.h>
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#include <stdlib.h>
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#include "libelfP.h"
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+static void
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+free_chunk (void *n)
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+{
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+ Elf_Data_Chunk *rawchunk = (Elf_Data_Chunk *)n;
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+ if (rawchunk->dummy_scn.flags & ELF_F_MALLOCED)
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+ free (rawchunk->data.d.d_buf);
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+ free (rawchunk);
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+}
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+
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int
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elf_end (Elf *elf)
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{
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@@ -112,20 +123,13 @@ elf_end (Elf *elf)
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case ELF_K_ELF:
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{
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- Elf_Data_Chunk *rawchunks
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+ void *rawchunks
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= (elf->class == ELFCLASS32
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|| (offsetof (struct Elf, state.elf32.rawchunks)
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== offsetof (struct Elf, state.elf64.rawchunks))
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? elf->state.elf32.rawchunks
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: elf->state.elf64.rawchunks);
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- while (rawchunks != NULL)
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- {
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- Elf_Data_Chunk *next = rawchunks->next;
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- if (rawchunks->dummy_scn.flags & ELF_F_MALLOCED)
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- free (rawchunks->data.d.d_buf);
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- free (rawchunks);
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- rawchunks = next;
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- }
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+ tdestroy (rawchunks, free_chunk);
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Elf_ScnList *list = (elf->class == ELFCLASS32
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|| (offsetof (struct Elf, state.elf32.scns)
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diff --git a/libelf/elf_getdata_rawchunk.c b/libelf/elf_getdata_rawchunk.c
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index 5a35ccdc..cfd40396 100644
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--- a/libelf/elf_getdata_rawchunk.c
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+++ b/libelf/elf_getdata_rawchunk.c
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@@ -1,6 +1,6 @@
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/* Return converted data from raw chunk of ELF file.
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Copyright (C) 2007, 2014, 2015 Red Hat, Inc.
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- Copyright (C) 2022 Mark J. Wielaard <mark@klomp.org>
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+ Copyright (C) 2022, 2023 Mark J. Wielaard <mark@klomp.org>
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This file is part of elfutils.
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This file is free software; you can redistribute it and/or modify
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@@ -33,12 +33,28 @@
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#include <assert.h>
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#include <errno.h>
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+#include <search.h>
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#include <stdlib.h>
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#include <string.h>
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#include "libelfP.h"
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#include "common.h"
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+static int
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+chunk_compare (const void *a, const void *b)
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+{
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+ Elf_Data_Chunk *da = (Elf_Data_Chunk *)a;
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+ Elf_Data_Chunk *db = (Elf_Data_Chunk *)b;
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+
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+ if (da->offset != db->offset)
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+ return da->offset - db->offset;
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+
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+ if (da->data.d.d_size != db->data.d.d_size)
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+ return da->data.d.d_size - db->data.d.d_size;
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+
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+ return da->data.d.d_type - db->data.d.d_type;
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+}
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+
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Elf_Data *
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elf_getdata_rawchunk (Elf *elf, int64_t offset, size_t size, Elf_Type type)
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{
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@@ -75,19 +91,25 @@ elf_getdata_rawchunk (Elf *elf, int64_t offset, size_t size, Elf_Type type)
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rwlock_rdlock (elf->lock);
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|
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/* Maybe we already got this chunk? */
|
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- Elf_Data_Chunk *rawchunks = elf->state.elf.rawchunks;
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- while (rawchunks != NULL)
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+ Elf_Data_Chunk key;
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+ key.offset = offset;
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|
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+ key.data.d.d_size = size;
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+ key.data.d.d_type = type;
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+ Elf_Data_Chunk **found = tsearch (&key, &elf->state.elf.rawchunks,
|
|
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+ &chunk_compare);
|
|
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+ if (found == NULL)
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|
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+ goto nomem;
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+
|
|
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+ /* Existing entry. */
|
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+ if (*found != &key && *found != NULL)
|
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{
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- 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;
|
|
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+ goto out;
|
|
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}
|
|
||||||
|
|
||||||
+ /* New entry. */
|
|
||||||
+ *found = NULL;
|
|
||||||
+
|
|
||||||
size_t align = __libelf_type_align (elf->class, type);
|
|
||||||
if (elf->map_address != NULL)
|
|
||||||
{
|
|
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@@ -189,8 +211,7 @@ elf_getdata_rawchunk (Elf *elf, int64_t offset, size_t size, Elf_Type type)
|
|
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rwlock_unlock (elf->lock);
|
|
||||||
rwlock_wrlock (elf->lock);
|
|
||||||
|
|
||||||
- chunk->next = elf->state.elf.rawchunks;
|
|
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- elf->state.elf.rawchunks = chunk;
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|
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+ *found = chunk;
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|
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result = &chunk->data.d;
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|
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|
|
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out:
|
|
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diff --git a/libelf/libelfP.h b/libelf/libelfP.h
|
|
||||||
index 6624f38a..d3c241e5 100644
|
|
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--- 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.
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|
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+ Copyright (C) 2023 Mark J. Wielaard <mark@klomp.org>
|
|
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This file is part of elfutils.
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|
||||||
Contributed by Ulrich Drepper <drepper@redhat.com>, 1998.
|
|
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|
|
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@@ -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
|
|
||||||
|
|
||||||
@ -1,95 +0,0 @@
|
|||||||
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
|
|
||||||
|
|
||||||
329
SOURCES/elfutils-0.190-fix-core-noncontig.patch
Normal file
329
SOURCES/elfutils-0.190-fix-core-noncontig.patch
Normal file
@ -0,0 +1,329 @@
|
|||||||
|
From c791d16b7dcf9d985ebe0e852481142753603353 Mon Sep 17 00:00:00 2001
|
||||||
|
From: Aaron Merey <amerey@redhat.com>
|
||||||
|
Date: Fri, 8 Dec 2023 16:44:35 -0500
|
||||||
|
Subject: [PATCH] libdwfl: Correctly handle corefile non-contiguous segments
|
||||||
|
|
||||||
|
It is possible for segments of different shared libaries to be interleaved
|
||||||
|
in memory such that the segments of one library are located in between
|
||||||
|
non-contiguous segments of another library.
|
||||||
|
|
||||||
|
For example, this can be seen with firefox on RHEL 7.9 where multiple
|
||||||
|
shared libraries could be mapped in between ld-2.17.so segments:
|
||||||
|
|
||||||
|
[...]
|
||||||
|
7f0972082000-7f09720a4000 00000000 139264 /usr/lib64/ld-2.17.so
|
||||||
|
7f09720a4000-7f09720a5000 00000000 4096 /memfd:mozilla-ipc (deleted)
|
||||||
|
7f09720a5000-7f09720a7000 00000000 8192 /memfd:mozilla-ipc (deleted)
|
||||||
|
7f09720a7000-7f09720a9000 00000000 8192 /memfd:mozilla-ipc (deleted)
|
||||||
|
7f0972134000-7f0972136000 00000000 8192 /usr/lib64/firefox/libmozwayland.so
|
||||||
|
7f0972136000-7f0972137000 00002000 4096 /usr/lib64/firefox/libmozwayland.so
|
||||||
|
7f0972137000-7f0972138000 00003000 4096 /usr/lib64/firefox/libmozwayland.so
|
||||||
|
7f0972138000-7f0972139000 00003000 4096 /usr/lib64/firefox/libmozwayland.so
|
||||||
|
7f097213a000-7f0972147000 00000000 53248 /usr/lib64/firefox/libmozsqlite3.so
|
||||||
|
7f0972147000-7f097221e000 0000d000 880640 /usr/lib64/firefox/libmozsqlite3.so
|
||||||
|
7f097221e000-7f0972248000 000e4000 172032 /usr/lib64/firefox/libmozsqlite3.so
|
||||||
|
7f0972248000-7f0972249000 0010e000 4096 /usr/lib64/firefox/libmozsqlite3.so
|
||||||
|
7f0972249000-7f097224c000 0010e000 12288 /usr/lib64/firefox/libmozsqlite3.so
|
||||||
|
7f097224c000-7f0972250000 00111000 16384 /usr/lib64/firefox/libmozsqlite3.so
|
||||||
|
7f0972250000-7f0972253000 00000000 12288 /usr/lib64/firefox/liblgpllibs.so
|
||||||
|
[...]
|
||||||
|
7f09722a3000-7f09722a4000 00021000 4096 /usr/lib64/ld-2.17.so
|
||||||
|
7f09722a4000-7f09722a5000 00022000 4096 /usr/lib64/ld-2.17.so
|
||||||
|
|
||||||
|
dwfl_segment_report_module did not account for the possibility of
|
||||||
|
interleaving non-contiguous segments, resulting in premature closure
|
||||||
|
of modules as well as failing to report modules.
|
||||||
|
|
||||||
|
Fix this by removing segment skipping in dwfl_segment_report_module.
|
||||||
|
When dwfl_segment_report_module reported a module, it would return
|
||||||
|
the index of the segment immediately following the end address of the
|
||||||
|
current module. Since there's a chance that other modules might fall
|
||||||
|
within this address range, dwfl_segment_report_module instead returns
|
||||||
|
the index of the next segment.
|
||||||
|
|
||||||
|
This patch also fixes premature module closure that can occur in
|
||||||
|
dwfl_segment_report_module when interleaving non-contiguous segments
|
||||||
|
are found. Previously modules with start and end addresses that overlap
|
||||||
|
with the current segment would have their build-ids compared with the
|
||||||
|
current segment's build-id. If there was a mismatch, that module would
|
||||||
|
be closed. Avoid closing modules in this case when mismatching build-ids
|
||||||
|
correspond to distinct modules.
|
||||||
|
|
||||||
|
https://sourceware.org/bugzilla/show_bug.cgi?id=30975
|
||||||
|
|
||||||
|
Signed-off-by: Aaron Merey <amerey@redhat.com>
|
||||||
|
---
|
||||||
|
libdwfl/dwfl_segment_report_module.c | 37 +++++++++----
|
||||||
|
tests/Makefile.am | 8 ++-
|
||||||
|
tests/dwfl-core-noncontig.c | 82 ++++++++++++++++++++++++++++
|
||||||
|
tests/run-dwfl-core-noncontig.sh | 63 +++++++++++++++++++++
|
||||||
|
4 files changed, 176 insertions(+), 14 deletions(-)
|
||||||
|
create mode 100644 tests/dwfl-core-noncontig.c
|
||||||
|
create mode 100755 tests/run-dwfl-core-noncontig.sh
|
||||||
|
|
||||||
|
diff --git a/libdwfl/dwfl_segment_report_module.c b/libdwfl/dwfl_segment_report_module.c
|
||||||
|
index 3ef62a7..09ee37b 100644
|
||||||
|
--- a/libdwfl/dwfl_segment_report_module.c
|
||||||
|
+++ b/libdwfl/dwfl_segment_report_module.c
|
||||||
|
@@ -737,17 +737,34 @@ dwfl_segment_report_module (Dwfl *dwfl, int ndx, const char *name,
|
||||||
|
&& invalid_elf (module->elf, module->disk_file_has_build_id,
|
||||||
|
&build_id))
|
||||||
|
{
|
||||||
|
- elf_end (module->elf);
|
||||||
|
- close (module->fd);
|
||||||
|
- module->elf = NULL;
|
||||||
|
- module->fd = -1;
|
||||||
|
+ /* If MODULE's build-id doesn't match the disk file's
|
||||||
|
+ build-id, close ELF only if MODULE and ELF refer to
|
||||||
|
+ different builds of files with the same name. This
|
||||||
|
+ prevents premature closure of the correct ELF in cases
|
||||||
|
+ where segments of a module are non-contiguous in memory. */
|
||||||
|
+ if (name != NULL && module->name[0] != '\0'
|
||||||
|
+ && strcmp (basename (module->name), basename (name)) == 0)
|
||||||
|
+ {
|
||||||
|
+ elf_end (module->elf);
|
||||||
|
+ close (module->fd);
|
||||||
|
+ module->elf = NULL;
|
||||||
|
+ module->fd = -1;
|
||||||
|
+ }
|
||||||
|
}
|
||||||
|
- if (module->elf != NULL)
|
||||||
|
+ else if (module->elf != NULL)
|
||||||
|
{
|
||||||
|
- /* Ignore this found module if it would conflict in address
|
||||||
|
- space with any already existing module of DWFL. */
|
||||||
|
+ /* This module has already been reported. */
|
||||||
|
skip_this_module = true;
|
||||||
|
}
|
||||||
|
+ else
|
||||||
|
+ {
|
||||||
|
+ /* Only report this module if we haven't already done so. */
|
||||||
|
+ for (Dwfl_Module *mod = dwfl->modulelist; mod != NULL;
|
||||||
|
+ mod = mod->next)
|
||||||
|
+ if (mod->low_addr == module_start
|
||||||
|
+ && mod->high_addr == module_end)
|
||||||
|
+ skip_this_module = true;
|
||||||
|
+ }
|
||||||
|
}
|
||||||
|
if (skip_this_module)
|
||||||
|
goto out;
|
||||||
|
@@ -781,10 +798,6 @@ dwfl_segment_report_module (Dwfl *dwfl, int ndx, const char *name,
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
- /* Our return value now says to skip the segments contained
|
||||||
|
- within the module. */
|
||||||
|
- ndx = addr_segndx (dwfl, segment, module_end, true);
|
||||||
|
-
|
||||||
|
/* Examine its .dynamic section to get more interesting details.
|
||||||
|
If it has DT_SONAME, we'll use that as the module name.
|
||||||
|
If it has a DT_DEBUG, then it's actually a PIE rather than a DSO.
|
||||||
|
@@ -929,6 +942,8 @@ dwfl_segment_report_module (Dwfl *dwfl, int ndx, const char *name,
|
||||||
|
ndx = -1;
|
||||||
|
goto out;
|
||||||
|
}
|
||||||
|
+ else
|
||||||
|
+ ndx++;
|
||||||
|
|
||||||
|
/* We have reported the module. Now let the caller decide whether we
|
||||||
|
should read the whole thing in right now. */
|
||||||
|
diff --git a/tests/Makefile.am b/tests/Makefile.am
|
||||||
|
index 7fb8efb..9f8f769 100644
|
||||||
|
--- a/tests/Makefile.am
|
||||||
|
+++ b/tests/Makefile.am
|
||||||
|
@@ -42,7 +42,7 @@ check_PROGRAMS = arextract arsymtest newfile saridx scnnames sectiondump \
|
||||||
|
dwfl-bug-addr-overflow arls dwfl-bug-fd-leak \
|
||||||
|
dwfl-addr-sect dwfl-bug-report early-offscn \
|
||||||
|
dwfl-bug-getmodules dwarf-getmacros dwarf-ranges addrcfi \
|
||||||
|
- dwarfcfi \
|
||||||
|
+ dwfl-core-noncontig dwarfcfi \
|
||||||
|
test-flag-nobits dwarf-getstring rerequest_tag \
|
||||||
|
alldts typeiter typeiter2 low_high_pc \
|
||||||
|
test-elf_cntl_gelf_getshdr dwflsyms dwfllines \
|
||||||
|
@@ -212,7 +212,7 @@ TESTS = run-arextract.sh run-arsymtest.sh run-ar.sh newfile test-nlist \
|
||||||
|
$(asm_TESTS) run-disasm-bpf.sh run-low_high_pc-dw-form-indirect.sh \
|
||||||
|
run-nvidia-extended-linemap-libdw.sh run-nvidia-extended-linemap-readelf.sh \
|
||||||
|
run-readelf-dw-form-indirect.sh run-strip-largealign.sh \
|
||||||
|
- run-readelf-Dd.sh
|
||||||
|
+ run-readelf-Dd.sh run-dwfl-core-noncontig.sh
|
||||||
|
|
||||||
|
if !BIARCH
|
||||||
|
export ELFUTILS_DISABLE_BIARCH = 1
|
||||||
|
@@ -632,7 +632,8 @@ EXTRA_DIST = run-arextract.sh run-arsymtest.sh run-ar.sh \
|
||||||
|
run-nvidia-extended-linemap-libdw.sh run-nvidia-extended-linemap-readelf.sh \
|
||||||
|
testfile_nvidia_linemap.bz2 \
|
||||||
|
testfile-largealign.o.bz2 run-strip-largealign.sh \
|
||||||
|
- run-funcretval++11.sh
|
||||||
|
+ run-funcretval++11.sh \
|
||||||
|
+ run-dwfl-core-noncontig.sh testcore-noncontig.bz2
|
||||||
|
|
||||||
|
|
||||||
|
if USE_VALGRIND
|
||||||
|
@@ -738,6 +739,7 @@ dwfl_bug_fd_leak_LDADD = $(libeu) $(libdw) $(libebl) $(libelf)
|
||||||
|
dwfl_bug_report_LDADD = $(libdw) $(libebl) $(libelf)
|
||||||
|
dwfl_bug_getmodules_LDADD = $(libeu) $(libdw) $(libebl) $(libelf)
|
||||||
|
dwfl_addr_sect_LDADD = $(libeu) $(libdw) $(libebl) $(libelf) $(argp_LDADD)
|
||||||
|
+dwfl_core_noncontig_LDADD = $(libdw) $(libelf)
|
||||||
|
dwarf_getmacros_LDADD = $(libdw)
|
||||||
|
dwarf_ranges_LDADD = $(libdw)
|
||||||
|
dwarf_getstring_LDADD = $(libdw)
|
||||||
|
diff --git a/tests/dwfl-core-noncontig.c b/tests/dwfl-core-noncontig.c
|
||||||
|
new file mode 100644
|
||||||
|
index 0000000..04558e2
|
||||||
|
--- /dev/null
|
||||||
|
+++ b/tests/dwfl-core-noncontig.c
|
||||||
|
@@ -0,0 +1,82 @@
|
||||||
|
+/* Test program for dwfl_getmodules bug.
|
||||||
|
+ Copyright (C) 2008 Red Hat, Inc.
|
||||||
|
+ This file is part of elfutils.
|
||||||
|
+
|
||||||
|
+ This file is free software; you can redistribute it and/or modify
|
||||||
|
+ it under the terms of the GNU General Public License as published by
|
||||||
|
+ the Free Software Foundation; either version 3 of the License, or
|
||||||
|
+ (at your option) any later version.
|
||||||
|
+
|
||||||
|
+ elfutils is distributed in the hope that it will be useful, but
|
||||||
|
+ WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||||
|
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||||
|
+ GNU General Public License for more details.
|
||||||
|
+
|
||||||
|
+ You should have received a copy of the GNU General Public License
|
||||||
|
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
|
||||||
|
+
|
||||||
|
+#include <config.h>
|
||||||
|
+#include <stdio.h>
|
||||||
|
+#include <fcntl.h>
|
||||||
|
+#include <assert.h>
|
||||||
|
+#include ELFUTILS_HEADER(dwfl)
|
||||||
|
+#include ELFUTILS_HEADER(elf)
|
||||||
|
+
|
||||||
|
+static const Dwfl_Callbacks cb =
|
||||||
|
+{
|
||||||
|
+ NULL,
|
||||||
|
+ NULL,
|
||||||
|
+ NULL,
|
||||||
|
+ NULL,
|
||||||
|
+};
|
||||||
|
+
|
||||||
|
+int
|
||||||
|
+main (int argc, char **argv)
|
||||||
|
+{
|
||||||
|
+ assert (argc == 2);
|
||||||
|
+
|
||||||
|
+ Dwfl *dwfl = dwfl_begin (&cb);
|
||||||
|
+
|
||||||
|
+ int fd = open (argv[1], O_RDONLY);
|
||||||
|
+ assert (fd != -1);
|
||||||
|
+
|
||||||
|
+ Elf *elf = elf_begin (fd, ELF_C_READ, NULL);
|
||||||
|
+ (void) dwfl_core_file_report (dwfl, elf, argv[0]);
|
||||||
|
+
|
||||||
|
+ /* testcore-noncontig contains a shared library mapped between
|
||||||
|
+ non-contiguous segments of another shared library:
|
||||||
|
+
|
||||||
|
+ [...]
|
||||||
|
+ 7f14e458c000-7f14e45ae000 00000000 139264 /usr/lib64/ld-2.17.so (1)
|
||||||
|
+ 7f14e4795000-7f14e4798000 00000000 12288 /usr/lib64/firefox/liblgpllibs.so (2)
|
||||||
|
+ 7f14e4798000-7f14e479d000 00003000 20480 /usr/lib64/firefox/liblgpllibs.so
|
||||||
|
+ 7f14e479d000-7f14e479f000 00008000 8192 /usr/lib64/firefox/liblgpllibs.so
|
||||||
|
+ 7f14e479f000-7f14e47a0000 00009000 4096 /usr/lib64/firefox/liblgpllibs.so
|
||||||
|
+ 7f14e47a0000-7f14e47a1000 0000a000 4096 /usr/lib64/firefox/liblgpllibs.so (3)
|
||||||
|
+ 7f14e47ad000-7f14e47ae000 00021000 4096 /usr/lib64/ld-2.17.so (4)
|
||||||
|
+ 7f14e47ae000-7f14e47af000 00022000 4096 /usr/lib64/ld-2.17.so */
|
||||||
|
+
|
||||||
|
+ /* First segment of the non-contiguous module (1). */
|
||||||
|
+ int seg = dwfl_addrsegment (dwfl, 0x7f14e458c000, NULL);
|
||||||
|
+ assert (seg == 32);
|
||||||
|
+
|
||||||
|
+ /* First segment of the module within the non-contiguous module's address
|
||||||
|
+ range (2). */
|
||||||
|
+ seg = dwfl_addrsegment (dwfl, 0x7f14e4795000, NULL);
|
||||||
|
+ assert (seg == 33);
|
||||||
|
+
|
||||||
|
+ /* Last segment of the module within the non-contiguous module's
|
||||||
|
+ address range (3). */
|
||||||
|
+ seg = dwfl_addrsegment (dwfl, 0x7f14e47a0000, NULL);
|
||||||
|
+ assert (seg == 37);
|
||||||
|
+
|
||||||
|
+ /* First segment of non-contiguous module following its address space
|
||||||
|
+ gap (4). */
|
||||||
|
+ seg = dwfl_addrsegment (dwfl, 0x7f14e47ad000, NULL);
|
||||||
|
+ assert (seg == 40);
|
||||||
|
+
|
||||||
|
+ dwfl_end (dwfl);
|
||||||
|
+ elf_end (elf);
|
||||||
|
+
|
||||||
|
+ return 0;
|
||||||
|
+}
|
||||||
|
diff --git a/tests/run-dwfl-core-noncontig.sh b/tests/run-dwfl-core-noncontig.sh
|
||||||
|
new file mode 100755
|
||||||
|
index 0000000..1245b67
|
||||||
|
--- /dev/null
|
||||||
|
+++ b/tests/run-dwfl-core-noncontig.sh
|
||||||
|
@@ -0,0 +1,63 @@
|
||||||
|
+#! /bin/sh
|
||||||
|
+# Copyright (C) 2023 Red Hat, Inc.
|
||||||
|
+# This file is part of elfutils.
|
||||||
|
+#
|
||||||
|
+# This file is free software; you can redistribute it and/or modify
|
||||||
|
+# it under the terms of the GNU General Public License as published by
|
||||||
|
+# the Free Software Foundation; either version 3 of the License, or
|
||||||
|
+# (at your option) any later version.
|
||||||
|
+#
|
||||||
|
+# elfutils is distributed in the hope that it will be useful, but
|
||||||
|
+# WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||||
|
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||||
|
+# GNU General Public License for more details.
|
||||||
|
+#
|
||||||
|
+# You should have received a copy of the GNU General Public License
|
||||||
|
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||||||
|
+
|
||||||
|
+. $srcdir/test-subr.sh
|
||||||
|
+
|
||||||
|
+# Test whether libdwfl can handle corefiles containing non-contiguous
|
||||||
|
+# segments where multiple modules are contained within the address
|
||||||
|
+# space of some other module.
|
||||||
|
+
|
||||||
|
+# testcore-noncontig was generated from the following program with
|
||||||
|
+# systemd-coredump on RHEL 7.9 Workstation, kernel
|
||||||
|
+# 3.10.0-1160.105.1.el7.x86_64. liblgpllibs.so was packaged with
|
||||||
|
+# firefox-115.4.0-1.el7_9.x86_64.rpm.
|
||||||
|
+
|
||||||
|
+# #include <unistd.h>
|
||||||
|
+# #include <dlfcn.h>
|
||||||
|
+#
|
||||||
|
+# int main () {
|
||||||
|
+# dlopen ("/usr/lib64/firefox/liblgpllibs.so", RTLD_GLOBAL | RTLD_NOW);
|
||||||
|
+# sleep (60);
|
||||||
|
+# return 0;
|
||||||
|
+# }
|
||||||
|
+#
|
||||||
|
+# gcc -ldl -o test test.c
|
||||||
|
+
|
||||||
|
+tempfiles out
|
||||||
|
+testfiles testcore-noncontig
|
||||||
|
+
|
||||||
|
+testrun ${abs_builddir}/dwfl-core-noncontig testcore-noncontig
|
||||||
|
+
|
||||||
|
+# Remove parts of the output that could change depending on which
|
||||||
|
+# libraries are locally installed.
|
||||||
|
+testrun ${abs_top_builddir}/src/unstrip -n --core testcore-noncontig \
|
||||||
|
+ | sed 's/+/ /g' | cut -d " " -f1,3 | sort > out
|
||||||
|
+
|
||||||
|
+testrun_compare cat out <<\EOF
|
||||||
|
+0x400000 3a1748a544b40a38b3be3d2d13ffa34a2a5a71c0@0x400284
|
||||||
|
+0x7f14e357e000 edf51350c7f71496149d064aa8b1441f786df88a@0x7f14e357e1d8
|
||||||
|
+0x7f14e3794000 7615604eaf4a068dfae5085444d15c0dee93dfbd@0x7f14e37941d8
|
||||||
|
+0x7f14e3a96000 09cfb171310110bc7ea9f4476c9fa044d85baff4@0x7f14e3a96210
|
||||||
|
+0x7f14e3d9e000 e10cc8f2b932fc3daeda22f8dac5ebb969524e5b@0x7f14e3d9e248
|
||||||
|
+0x7f14e3fba000 fc4fa58e47a5acc137eadb7689bce4357c557a96@0x7f14e3fba280
|
||||||
|
+0x7f14e4388000 7f2e9cb0769d7e57bd669b485a74b537b63a57c4@0x7f14e43881d8
|
||||||
|
+0x7f14e458c000 62c449974331341bb08dcce3859560a22af1e172@0x7f14e458c1d8
|
||||||
|
+0x7f14e4795000 175efdcef445455872a86a6fbee7567ca16a513e@0x7f14e4795248
|
||||||
|
+0x7ffcfe59f000 80d79b32785868a2dc10047b39a80d1daec8923d@0x7ffcfe59f328
|
||||||
|
+EOF
|
||||||
|
+
|
||||||
|
+exit 0
|
||||||
|
--
|
||||||
|
2.43.0
|
||||||
|
|
||||||
@ -1,11 +1,12 @@
|
|||||||
Name: elfutils
|
Name: elfutils
|
||||||
Version: 0.189
|
Version: 0.190
|
||||||
%global baserelease 3
|
%global baserelease 2
|
||||||
Release: %{baserelease}%{?dist}
|
Release: %{baserelease}%{?dist}
|
||||||
URL: http://elfutils.org/
|
URL: http://elfutils.org/
|
||||||
%global source_url ftp://sourceware.org/pub/elfutils/%{version}/
|
%global source_url ftp://sourceware.org/pub/elfutils/%{version}/
|
||||||
License: GPLv3+ and (GPLv2+ or LGPLv3+) and GFDL
|
License: GPLv3+ and (GPLv2+ or LGPLv3+) and GFDL
|
||||||
Source: %{?source_url}%{name}-%{version}.tar.bz2
|
Source: %{?source_url}%{name}-%{version}.tar.bz2
|
||||||
|
Source1: testcore-noncontig.bz2
|
||||||
Summary: A collection of utilities and DSOs to handle ELF files and DWARF data
|
Summary: A collection of utilities and DSOs to handle ELF files and DWARF data
|
||||||
|
|
||||||
# Needed for isa specific Provides and Requires.
|
# Needed for isa specific Provides and Requires.
|
||||||
@ -64,13 +65,8 @@ BuildRequires: gettext-devel
|
|||||||
%endif
|
%endif
|
||||||
|
|
||||||
# Patches
|
# Patches
|
||||||
|
# RHEL-18913: Fix handling of corefiles with non-contiguous segments.
|
||||||
# elfcompress: Don't compress if section already compressed unless forced
|
Patch1: elfutils-0.190-fix-core-noncontig.patch
|
||||||
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
|
%description
|
||||||
Elfutils is a collection of utilities, including stack (to show
|
Elfutils is a collection of utilities, including stack (to show
|
||||||
@ -271,6 +267,8 @@ autoreconf -f -v -i
|
|||||||
# are executable.
|
# are executable.
|
||||||
find . -name \*.sh ! -perm -0100 -print | xargs chmod +x
|
find . -name \*.sh ! -perm -0100 -print | xargs chmod +x
|
||||||
|
|
||||||
|
cp %{SOURCE1} tests
|
||||||
|
|
||||||
%build
|
%build
|
||||||
# Remove -Wall from default flags. The makefiles enable enough warnings
|
# Remove -Wall from default flags. The makefiles enable enough warnings
|
||||||
# themselves, and they use -Werror. Appending -Wall defeats the cases where
|
# themselves, and they use -Werror. Appending -Wall defeats the cases where
|
||||||
@ -362,6 +360,7 @@ fi
|
|||||||
%{_bindir}/eu-ranlib
|
%{_bindir}/eu-ranlib
|
||||||
%{_bindir}/eu-readelf
|
%{_bindir}/eu-readelf
|
||||||
%{_bindir}/eu-size
|
%{_bindir}/eu-size
|
||||||
|
%{_bindir}/eu-srcfiles
|
||||||
%{_bindir}/eu-stack
|
%{_bindir}/eu-stack
|
||||||
%{_bindir}/eu-strings
|
%{_bindir}/eu-strings
|
||||||
%{_bindir}/eu-strip
|
%{_bindir}/eu-strip
|
||||||
@ -441,7 +440,6 @@ fi
|
|||||||
%config(noreplace) %{_sysconfdir}/sysconfig/debuginfod
|
%config(noreplace) %{_sysconfdir}/sysconfig/debuginfod
|
||||||
%{_unitdir}/debuginfod.service
|
%{_unitdir}/debuginfod.service
|
||||||
%{_mandir}/man8/debuginfod*.8*
|
%{_mandir}/man8/debuginfod*.8*
|
||||||
%{_mandir}/man7/debuginfod*.7*
|
|
||||||
|
|
||||||
|
|
||||||
%dir %attr(0700,debuginfod,debuginfod) %{_localstatedir}/cache/debuginfod
|
%dir %attr(0700,debuginfod,debuginfod) %{_localstatedir}/cache/debuginfod
|
||||||
@ -461,6 +459,18 @@ exit 0
|
|||||||
%systemd_postun_with_restart debuginfod.service
|
%systemd_postun_with_restart debuginfod.service
|
||||||
|
|
||||||
%changelog
|
%changelog
|
||||||
|
* Fri Dec 8 2023 Aaron Merey <amerey@redhat.com> - 0.190-2
|
||||||
|
- Add elfutils-0.190-fix-core-noncontig.patch
|
||||||
|
|
||||||
|
* Fri Nov 3 2023 Mark Wielaard <mjw@redhat.com> - 0.190-1
|
||||||
|
- Upgrade to upstream elfutils 0.190
|
||||||
|
- Add eu-srcfiles
|
||||||
|
- Drop upstreamed patches
|
||||||
|
elfutils-0.189-debuginfod_config_cache-double-close.patch
|
||||||
|
elfutils-0.189-elf_getdata_rawchunk.patch
|
||||||
|
elfutils-0.189-elfcompress.patch
|
||||||
|
- Only package debuginfod-client-config.7 manpage for debuginfod-client
|
||||||
|
|
||||||
* Wed Jun 28 2023 Mark Wielaard <mjw@redhat.com> - 0.189-3
|
* Wed Jun 28 2023 Mark Wielaard <mjw@redhat.com> - 0.189-3
|
||||||
- Add elfutils-0.189-elf_getdata_rawchunk.patch
|
- Add elfutils-0.189-elf_getdata_rawchunk.patch
|
||||||
- Add elfutils-0.189-debuginfod_config_cache-double-close.patch
|
- Add elfutils-0.189-debuginfod_config_cache-double-close.patch
|
||||||
|
|||||||
Loading…
Reference in New Issue
Block a user