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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2026-03-19 16:15:33 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2026-03-19 16:15:33 +0100
commit7e2dc8ed7862ac622b5a59953b679de97001dc83 (patch)
treed2d2cf61a22f5a6404000ee007c5e80bc2d9eca9 /tools
parenta7e8c9cc3a13baf3dcf9734dd55609aa7ff9a1a0 (diff)
parent4a2b0ed2ac7abe9743e1559d212075a0ebac96b3 (diff)
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'tools')
-rw-r--r--tools/objtool/check.c10
-rw-r--r--tools/objtool/elf.c2
-rw-r--r--tools/objtool/klp-diff.c3
-rw-r--r--tools/perf/builtin-ftrace.c9
-rw-r--r--tools/perf/util/annotate.c5
-rw-r--r--tools/perf/util/disasm.c2
-rw-r--r--tools/perf/util/synthetic-events.c5
-rw-r--r--tools/testing/selftests/filesystems/nsfs/iterate_mntns.c25
8 files changed, 41 insertions, 20 deletions
diff --git a/tools/objtool/check.c b/tools/objtool/check.c
index 37ec0d757e9b..eba35bb8c0bd 100644
--- a/tools/objtool/check.c
+++ b/tools/objtool/check.c
@@ -3694,7 +3694,7 @@ static void checksum_update_insn(struct objtool_file *file, struct symbol *func,
static int validate_branch(struct objtool_file *file, struct symbol *func,
struct instruction *insn, struct insn_state state);
static int do_validate_branch(struct objtool_file *file, struct symbol *func,
- struct instruction *insn, struct insn_state state);
+ struct instruction *insn, struct insn_state *state);
static int validate_insn(struct objtool_file *file, struct symbol *func,
struct instruction *insn, struct insn_state *statep,
@@ -3959,7 +3959,7 @@ static int validate_insn(struct objtool_file *file, struct symbol *func,
* tools/objtool/Documentation/objtool.txt.
*/
static int do_validate_branch(struct objtool_file *file, struct symbol *func,
- struct instruction *insn, struct insn_state state)
+ struct instruction *insn, struct insn_state *state)
{
struct instruction *next_insn, *prev_insn = NULL;
bool dead_end;
@@ -3990,7 +3990,7 @@ static int do_validate_branch(struct objtool_file *file, struct symbol *func,
return 1;
}
- ret = validate_insn(file, func, insn, &state, prev_insn, next_insn,
+ ret = validate_insn(file, func, insn, state, prev_insn, next_insn,
&dead_end);
if (!insn->trace) {
@@ -4001,7 +4001,7 @@ static int do_validate_branch(struct objtool_file *file, struct symbol *func,
}
if (!dead_end && !next_insn) {
- if (state.cfi.cfa.base == CFI_UNDEFINED)
+ if (state->cfi.cfa.base == CFI_UNDEFINED)
return 0;
if (file->ignore_unreachables)
return 0;
@@ -4026,7 +4026,7 @@ static int validate_branch(struct objtool_file *file, struct symbol *func,
int ret;
trace_depth_inc();
- ret = do_validate_branch(file, func, insn, state);
+ ret = do_validate_branch(file, func, insn, &state);
trace_depth_dec();
return ret;
diff --git a/tools/objtool/elf.c b/tools/objtool/elf.c
index 2c02c7b49265..3da90686350d 100644
--- a/tools/objtool/elf.c
+++ b/tools/objtool/elf.c
@@ -1375,7 +1375,7 @@ void *elf_add_data(struct elf *elf, struct section *sec, const void *data, size_
memcpy(sec->data->d_buf, data, size);
sec->data->d_size = size;
- sec->data->d_align = 1;
+ sec->data->d_align = sec->sh.sh_addralign;
offset = ALIGN(sec->sh.sh_size, sec->sh.sh_addralign);
sec->sh.sh_size = offset + size;
diff --git a/tools/objtool/klp-diff.c b/tools/objtool/klp-diff.c
index 9f1f4011eb9c..d94632e80955 100644
--- a/tools/objtool/klp-diff.c
+++ b/tools/objtool/klp-diff.c
@@ -1364,6 +1364,9 @@ static int validate_special_section_klp_reloc(struct elfs *e, struct symbol *sym
const char *sym_modname;
struct export *export;
+ if (convert_reloc_sym(e->patched, reloc))
+ continue;
+
/* Static branch/call keys are always STT_OBJECT */
if (reloc->sym->type != STT_OBJECT) {
diff --git a/tools/perf/builtin-ftrace.c b/tools/perf/builtin-ftrace.c
index 6b6eec65f93f..4cc33452d79b 100644
--- a/tools/perf/builtin-ftrace.c
+++ b/tools/perf/builtin-ftrace.c
@@ -18,6 +18,7 @@
#include <poll.h>
#include <ctype.h>
#include <linux/capability.h>
+#include <linux/err.h>
#include <linux/string.h>
#include <sys/stat.h>
@@ -1209,8 +1210,12 @@ static int prepare_func_profile(struct perf_ftrace *ftrace)
ftrace->graph_verbose = 0;
ftrace->profile_hash = hashmap__new(profile_hash, profile_equal, NULL);
- if (ftrace->profile_hash == NULL)
- return -ENOMEM;
+ if (IS_ERR(ftrace->profile_hash)) {
+ int err = PTR_ERR(ftrace->profile_hash);
+
+ ftrace->profile_hash = NULL;
+ return err;
+ }
return 0;
}
diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c
index 791d60f97c23..df7b7e70c19f 100644
--- a/tools/perf/util/annotate.c
+++ b/tools/perf/util/annotate.c
@@ -44,6 +44,7 @@
#include "strbuf.h"
#include <regex.h>
#include <linux/bitops.h>
+#include <linux/err.h>
#include <linux/kernel.h>
#include <linux/string.h>
#include <linux/zalloc.h>
@@ -137,8 +138,10 @@ static int annotated_source__alloc_histograms(struct annotated_source *src,
return -1;
src->samples = hashmap__new(sym_hist_hash, sym_hist_equal, NULL);
- if (src->samples == NULL)
+ if (IS_ERR(src->samples)) {
zfree(&src->histograms);
+ src->samples = NULL;
+ }
return src->histograms ? 0 : -1;
}
diff --git a/tools/perf/util/disasm.c b/tools/perf/util/disasm.c
index 88706b98b906..b1be847446fe 100644
--- a/tools/perf/util/disasm.c
+++ b/tools/perf/util/disasm.c
@@ -412,7 +412,7 @@ static int jump__parse(struct arch *arch, struct ins_operands *ops, struct map_s
start = map__unmap_ip(map, sym->start);
end = map__unmap_ip(map, sym->end);
- ops->target.outside = target.addr < start || target.addr > end;
+ ops->target.outside = target.addr < start || target.addr >= end;
/*
* FIXME: things like this in _cpp_lex_token (gcc's cc1 program):
diff --git a/tools/perf/util/synthetic-events.c b/tools/perf/util/synthetic-events.c
index 2ba9fa25e00a..7a47e21c6704 100644
--- a/tools/perf/util/synthetic-events.c
+++ b/tools/perf/util/synthetic-events.c
@@ -703,6 +703,11 @@ static int perf_event__synthesize_modules_maps_cb(struct map *map, void *data)
memcpy(event->mmap2.filename, dso__long_name(dso), dso__long_name_len(dso) + 1);
+ /* Clear stale build ID from previous module iteration */
+ event->mmap2.header.misc &= ~PERF_RECORD_MISC_MMAP_BUILD_ID;
+ memset(event->mmap2.build_id, 0, sizeof(event->mmap2.build_id));
+ event->mmap2.build_id_size = 0;
+
perf_record_mmap2__read_build_id(&event->mmap2, args->machine, false);
} else {
size = PERF_ALIGN(dso__long_name_len(dso) + 1, sizeof(u64));
diff --git a/tools/testing/selftests/filesystems/nsfs/iterate_mntns.c b/tools/testing/selftests/filesystems/nsfs/iterate_mntns.c
index 61e55dfbf121..e19ff8168baf 100644
--- a/tools/testing/selftests/filesystems/nsfs/iterate_mntns.c
+++ b/tools/testing/selftests/filesystems/nsfs/iterate_mntns.c
@@ -37,17 +37,20 @@ FIXTURE(iterate_mount_namespaces) {
__u64 mnt_ns_id[MNT_NS_COUNT];
};
+static inline bool mntns_in_list(__u64 *mnt_ns_id, struct mnt_ns_info *info)
+{
+ for (int i = 0; i < MNT_NS_COUNT; i++) {
+ if (mnt_ns_id[i] == info->mnt_ns_id)
+ return true;
+ }
+ return false;
+}
+
FIXTURE_SETUP(iterate_mount_namespaces)
{
for (int i = 0; i < MNT_NS_COUNT; i++)
self->fd_mnt_ns[i] = -EBADF;
- /*
- * Creating a new user namespace let's us guarantee that we only see
- * mount namespaces that we did actually create.
- */
- ASSERT_EQ(unshare(CLONE_NEWUSER), 0);
-
for (int i = 0; i < MNT_NS_COUNT; i++) {
struct mnt_ns_info info = {};
@@ -75,13 +78,15 @@ TEST_F(iterate_mount_namespaces, iterate_all_forward)
fd_mnt_ns_cur = fcntl(self->fd_mnt_ns[0], F_DUPFD_CLOEXEC);
ASSERT_GE(fd_mnt_ns_cur, 0);
- for (;; count++) {
+ for (;;) {
struct mnt_ns_info info = {};
int fd_mnt_ns_next;
fd_mnt_ns_next = ioctl(fd_mnt_ns_cur, NS_MNT_GET_NEXT, &info);
if (fd_mnt_ns_next < 0 && errno == ENOENT)
break;
+ if (mntns_in_list(self->mnt_ns_id, &info))
+ count++;
ASSERT_GE(fd_mnt_ns_next, 0);
ASSERT_EQ(close(fd_mnt_ns_cur), 0);
fd_mnt_ns_cur = fd_mnt_ns_next;
@@ -96,13 +101,15 @@ TEST_F(iterate_mount_namespaces, iterate_all_backwards)
fd_mnt_ns_cur = fcntl(self->fd_mnt_ns[MNT_NS_LAST_INDEX], F_DUPFD_CLOEXEC);
ASSERT_GE(fd_mnt_ns_cur, 0);
- for (;; count++) {
+ for (;;) {
struct mnt_ns_info info = {};
int fd_mnt_ns_prev;
fd_mnt_ns_prev = ioctl(fd_mnt_ns_cur, NS_MNT_GET_PREV, &info);
if (fd_mnt_ns_prev < 0 && errno == ENOENT)
break;
+ if (mntns_in_list(self->mnt_ns_id, &info))
+ count++;
ASSERT_GE(fd_mnt_ns_prev, 0);
ASSERT_EQ(close(fd_mnt_ns_cur), 0);
fd_mnt_ns_cur = fd_mnt_ns_prev;
@@ -125,7 +132,6 @@ TEST_F(iterate_mount_namespaces, iterate_forward)
ASSERT_GE(fd_mnt_ns_next, 0);
ASSERT_EQ(close(fd_mnt_ns_cur), 0);
fd_mnt_ns_cur = fd_mnt_ns_next;
- ASSERT_EQ(info.mnt_ns_id, self->mnt_ns_id[i]);
}
}
@@ -144,7 +150,6 @@ TEST_F(iterate_mount_namespaces, iterate_backward)
ASSERT_GE(fd_mnt_ns_prev, 0);
ASSERT_EQ(close(fd_mnt_ns_cur), 0);
fd_mnt_ns_cur = fd_mnt_ns_prev;
- ASSERT_EQ(info.mnt_ns_id, self->mnt_ns_id[i]);
}
}