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linux/scripts
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Weigang He 361eb853c6 scripts/tracepoint-update: Fix memory leak in add_string() on failure 
When realloc() fails in add_string(), the function returns -1 but leaves
*vals pointing to the previously allocated memory. This can cause memory
leaks in callers like make_trace_array() that return on error without
freeing the partially built array.

Fix this by freeing *vals and setting it to NULL when realloc() fails.
This makes the error handling self-contained in add_string() so callers
don't need to handle cleanup on failure.

This bug is found by my static analysis tool and my code review.

Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Fixes: e30f8e61e2 ("tracing: Add a tracepoint verification check at build time")
Link: https://patch.msgid.link/20260119114542.1714405-1-geoffreyhe2@gmail.com
Signed-off-by: Weigang He <geoffreyhe2@gmail.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
2026-01-23 13:34:45 -05:00
..
atomic
atomic: Skip alignment check for try_cmpxchg() old arg
2025-10-21 12:31:56 +02:00
bash-completion
kbuild: add Kbuild bash completion
2025-03-15 21:22:52 +09:00
basic
integer-wrap: Force full rebuild when .scl file changes
2025-05-08 09:42:06 -07:00
clang-tools
Revert "scripts/clang-tools: Handle included .c files in gen_compile_commands"
2025-12-27 20:48:01 +01:00
coccinelle
Coccinelle: pm_runtime: Fix typo in report message
2025-12-21 21:04:52 +01:00
crypto
lib/crypto: tests: Fix syntax error for old python versions
2026-01-08 11:14:59 -08:00
dtc
scripts: dt_to_config: fix grammar and a typo in --help text
2025-09-26 15:53:30 -05:00
dummy-tools
kbuild: dummy-tools: pretend we understand -fpatchable-function-entry
2023-11-01 23:24:56 +09:00
gcc-plugins
gcc-plugins: Remove TODO_verify_il for GCC >= 16
2025-09-23 13:59:39 -07:00
gdb
scripts/gdb/symbols: make BPF debug info available to GDB
2025-11-20 14:03:42 -08:00
gendwarfksyms
gendwarfksyms: Skip files with no exports
2025-11-11 20:37:11 +01:00
genksyms
genksyms: Fix enum consts from a reference affecting new values
2025-06-07 14:38:07 +09:00
include
scripts: import more list macros
2024-10-07 02:12:27 +09:00
ipe
scripts: ipe: polgen: remove redundant close and error exit path
2024-11-19 13:57:03 -08:00
kconfig
kconfig/nconf: Initialize the default locale at startup
2025-11-01 00:23:22 -04:00
ksymoops
…
livepatch
objtool/klp: Only enable --checksum when needed
2025-11-18 09:59:26 +01:00
mod
mcb: Add missing modpost build support
2025-12-27 20:48:01 +01:00
package
kbuild: install-extmod-build: Properly fix CC expansion when ccache is used
2025-11-11 22:31:34 -07:00
selinux
docs: Remove remainders of reiserfs
2025-08-18 10:45:43 -06:00
tracing
scripts/tracing: Remove scripts/tracing/draw_functrace.py
2025-03-20 07:02:21 -04:00
.gitignore
scripts: add tracepoint-update to the list of ignores files
2025-10-29 08:46:05 -04:00
as-version.sh
kbuild: Update assembler calls to use proper flags and language target
2023-01-26 12:41:38 +09:00
asn1_compiler.c
ASN.1: Fix check for strdup() success
2023-04-21 08:58:00 -07:00
bloat-o-meter
scripts/bloat-o-meter: count weak symbol sizes
2023-08-21 13:46:25 -07:00
bootgraph.pl
…
bpf_doc.py
bpf: Finish constification of 1st parameter of bpf_d_path()
2025-10-04 09:05:23 -07:00
build-version
kbuild: move init/build-version to scripts/
2024-07-16 01:08:37 +09:00
cc-can-link.sh
kbuild: don't enable CC_CAN_LINK if the dummy program generates warnings
2025-11-14 20:20:34 +01:00
cc-version.sh
scripts: Remove ICC-related dead code
2023-04-24 10:18:32 -07:00
check_extable.sh
…
check-function-names.sh
kbuild: Check for functions with ambiguous -ffunction-sections section names
2025-11-21 10:04:10 +01:00
check-git
kbuild: use git-archive for source package creation
2023-03-16 22:46:12 +09:00
check-sysctl-docs
docs: Replace spaces with tabs in check-sysctl-docs
2025-07-23 11:57:05 +02:00
check-uapi.sh
check-uapi: Introduce check-uapi.sh
2023-12-29 22:25:20 +09:00
checkdeclares.pl
…
checkincludes.pl
…
checkkconfigsymbols.py
scripts: handle BrokenPipeError for python scripts
2023-01-26 12:43:33 +09:00
checkpatch.pl
checkpatch: add uninitialized pointer with __free attribute check
2025-12-10 16:07:42 -08:00
checkstack.pl
scripts/checkstack.pl: fix no space expression between sp and offset
2023-12-29 12:22:28 -08:00
checksyscalls.sh
checksyscalls: ignore fstat to silence build warning on LoongArch
2023-03-23 17:18:32 -07:00
checkversion.pl
…
cleanfile
…
cleanpatch
…
coccicheck
scripts: coccicheck: filter *.cocci files by MODE
2025-12-21 21:04:45 +01:00
config
kbuild: fix argument parsing in scripts/config
2025-03-15 21:22:42 +09:00
const_structs.checkpatch
const_structs.checkpatch: add bin_attribute
2025-06-17 10:44:07 +02:00
decode_stacktrace.sh
scripts/decode_stacktrace.sh: fix build ID and PC source parsing
2025-11-09 21:19:45 -08:00
decodecode
scripts/decodecode: add support for LoongArch
2023-12-29 12:22:25 -08:00
depmod.sh
kbuild: add $(objtree)/ prefix to some in-kernel build artifacts
2024-11-27 09:38:27 +09:00
dev-needs.sh
…
diffconfig
scripts: handle BrokenPipeError for python scripts
2023-01-26 12:43:33 +09:00
elf-parse.c
sorttable: Move ELF parsing into scripts/elf-parse.[ch]
2025-10-24 16:43:14 -04:00
elf-parse.h
sorttable: Move ELF parsing into scripts/elf-parse.[ch]
2025-10-24 16:43:14 -04:00
extract_xc3028.pl
…
extract-fwblobs
scripts: add script to extract built-in firmware blobs
2025-03-16 22:30:46 -07:00
extract-ikconfig
scripts/extract-ikconfig: add zstd compression support
2022-08-29 13:58:47 +09:00
extract-module-sig.pl
…
extract-sys-certs.pl
…
extract-vmlinux
extract-vmlinux: Output used decompression method
2025-08-28 15:25:48 -07:00
faddr2line
scripts/faddr2line: Fix "Argument list too long" error
2025-10-14 14:45:20 -07:00
file-size.sh
…
gen_packed_field_checks.c
lib: packing: add pack_fields() and unpack_fields()
2024-12-11 20:13:00 -08:00
gen-crc-consts.py
riscv/crc: add "template" for Zbc optimized CRC functions
2025-03-10 09:29:08 -07:00
gen-randstruct-seed.sh
…
generate_builtin_ranges.awk
kbuild: exclude .rodata.(cst|str)* when building ranges
2025-03-15 21:22:52 +09:00
generate_initcall_order.pl
…
generate_rust_analyzer.py
rust: macros: support proc-macro2, quote and syn
2025-11-24 17:15:50 +01:00
generate_rust_target.rs
rust: support Rust >= 1.91.0 target spec
2025-08-31 23:34:34 +02:00
get_dvb_firmware
…
get_maintainer.pl
get_maintainer: stop reporting subsystem status as maintainer role
2025-03-16 22:30:49 -07:00
gfp-translate
scripts: fix gfp-translate after ___GFP_*_BITS conversion to an enum
2024-09-01 17:59:01 -07:00
git-resolve.sh
git-resolve: add SPDX and copyright line
2025-04-25 15:54:24 +02:00
git.orderFile
scripts: Introduce a default git.orderFile
2023-12-29 22:25:20 +09:00
head-object-list.txt
openrisc: place exception table at the head of vmlinux
2024-12-10 12:04:19 +00:00
headerdep.pl
…
headers_install.sh
scripts: headers_install.sh: Remove two outdated config leak ignore entries
2025-11-11 16:01:13 +01:00
insert-sys-cert.c
…
install.sh
kbuild: Create INSTALL_PATH directory if it does not exist
2024-07-20 13:34:54 +09:00
integer-wrap-ignore.scl
ubsan/overflow: Enable ignorelist parsing and add type filter
2025-03-07 19:58:05 -08:00
jobserver-exec
docs: Move the python libraries to tools/lib/python
2025-11-18 09:22:40 -07:00
kallsyms.c
kallsyms: Remove KALLSYMS_ABSOLUTE_PERCPU
2025-02-18 10:16:04 +01:00
Kbuild.include
kbuild: add $(objtree)/ prefix to some in-kernel build artifacts
2024-11-27 09:38:27 +09:00
Kconfig.include
init: deduplicate cc-can-link.sh invocations
2025-11-14 20:20:34 +01:00
kernel-doc
scripts/kernel-doc: switch to use kernel-doc.py
2025-04-09 12:10:34 -06:00
kernel-doc.py
docs: bring some order to our Python module hierarchy
2025-11-18 09:22:40 -07:00
ld-version.sh
kbuild: Make ld-version.sh more robust against version string changes
2024-07-15 03:13:32 +09:00
leaking_addresses.pl
leaking_addresses: Provide mechanism to scan binary files
2024-02-29 13:38:03 -08:00
Lindent
…
link-vmlinux.sh
Merge tag 'tracepoints-v6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
2025-12-05 09:37:41 -08:00
macro_checker.py
scripts: add macro_checker script to check unused parameters in macros
2024-09-01 20:43:28 -07:00
make_fit.py
scripts/make_fit: Print DT name before libfdt errors
2025-03-27 14:03:32 -05:00
Makefile
tracing: Add a tracepoint verification check at build time
2025-10-24 16:43:14 -04:00
Makefile.asm-headers
kbuild: fix rebuild of generic syscall headers
2024-07-18 10:01:55 -07:00
Makefile.autofdo
AutoFDO: Enable machine function split optimization for AutoFDO
2024-11-27 09:38:27 +09:00
Makefile.btf
kbuild, bpf: Enable --btf_features=attributes
2025-04-15 11:17:50 -07:00
Makefile.build
kbuild: fix compilation of dtb specified on command-line without make rule
2025-12-27 20:48:01 +01:00
Makefile.clang
kbuild: clang: Support building UM with SUBARCH=i386
2025-03-04 09:40:13 -08:00
Makefile.clean
kbuild: change working directory to external module directory with M=
2024-11-28 08:10:23 +09:00
Makefile.compiler
Merge tag 'gcc-minimum-version-6.16' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic
2025-05-31 08:16:52 -07:00
Makefile.debug
kbuild: rust: use -Zdebuginfo-compression
2024-04-02 17:41:22 +02:00
Makefile.defconf
kbuild: suppress stdout from merge_config for silent builds
2025-01-10 23:01:21 +09:00
Makefile.dtbinst
kbuild: Install dtb files as 0644 in Makefile.dtbinst
2024-06-26 00:18:57 +09:00
Makefile.dtbs
kbuild: Ensure .dtbo targets are applied to a base .dtb
2025-11-17 11:27:52 -06:00
Makefile.gcc-plugins
stackleak: Split KSTACK_ERASE_CFLAGS from GCC_PLUGINS_CFLAGS
2025-07-21 21:40:57 -07:00
Makefile.headersinst
…
Makefile.host
kbuild: support building external modules in a separate build directory
2024-11-28 08:11:55 +09:00
Makefile.kasan
kasan: fix GCC mem-intrinsic prefix with sw tags
2025-08-27 22:45:43 -07:00
Makefile.kcov
Merge tag 'mm-stable-2025-06-01-14-06' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2025-06-02 16:00:26 -07:00
Makefile.kcsan
…
Makefile.kmsan
kmsan: add KMSAN runtime core
2022-10-03 14:03:19 -07:00
Makefile.kstack_erase
kstack_erase: Fix missed export of renamed KSTACK_ERASE_CFLAGS
2025-07-29 17:17:46 -07:00
Makefile.lib
objtool/klp: Only enable --checksum when needed
2025-11-18 09:59:26 +01:00
Makefile.modfinal
tracing: Add warnings for unused tracepoints for modules
2025-10-24 16:43:15 -04:00
Makefile.modinst
kbuild: Use objtree for module signing key path
2025-11-08 12:17:58 +01:00
Makefile.modpost
modpost: Allow extended modversions without basic MODVERSIONS
2025-01-11 02:36:32 +09:00
Makefile.package
kbuild: add target to build a cpio containing modules
2025-11-26 21:56:14 +01:00
Makefile.propeller
kbuild: Fix Propeller build option
2024-11-27 09:38:27 +09:00
Makefile.randstruct
…
Makefile.ubsan
Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
2025-05-29 08:10:01 -07:00
Makefile.userprogs
kbuild: support 'userldlibs' syntax
2023-11-01 23:26:01 +09:00
Makefile.vdsoinst
Merge tag 's390-6.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
2024-05-21 12:09:36 -07:00
Makefile.vmlinux
kbuild: Strip trailing padding bytes from modules.builtin.modinfo
2025-11-06 09:50:23 -07:00
Makefile.vmlinux_o
kbuild: Check for functions with ambiguous -ffunction-sections section names
2025-11-21 10:04:10 +01:00
Makefile.warn
kbuild: Rename Makefile.extrawarn to Makefile.warn
2025-11-08 12:17:59 +01:00
makelst
…
markup_oops.pl
…
min-tool-version.sh
kbuild: Bump minimum version of LLVM for building the kernel to 15.0.0
2025-08-28 16:58:43 -07:00
misc-check
scripts/misc-check: update export checks for EXPORT_SYMBOL_FOR_MODULES()
2025-08-26 12:00:17 -07:00
mkcompile_h
Revert "kbuild: Make scripts/compile.h when sh != bash"
2022-09-29 04:40:15 +09:00
mksysmap
modpost: Create modalias for builtin modules
2025-09-24 09:10:45 -07:00
mkuboot.sh
…
module-common.c
kbuild: compile constant module information only once
2024-09-07 17:24:08 +09:00
module.lds.S
objtool/klp: Introduce klp diff subcommand for diffing object files
2025-10-14 14:50:18 -07:00
modules-check.sh
kbuild: change module.order to list *.o instead of *.ko
2022-12-14 15:42:40 +09:00
nsdeps
scripts/nsdeps: get 'make nsdeps' working again
2024-12-03 08:22:25 -08:00
objdiff
…
objdump-func
scripts/objdump-func: Support multiple functions
2023-04-14 16:08:28 +02:00
orc_hash.sh
x86/unwind/orc: Add ELF section with ORC version identifier
2023-06-16 17:17:42 +02:00
pahole-version.sh
…
parse-maintainers.pl
…
patch-kernel
…
profile2linkerlist.pl
…
prune-kernel
…
recordmcount.c
scripts: clean up IA-64 code
2023-12-03 18:51:48 +09:00
recordmcount.h
…
recordmcount.pl
tracing: Remove redundant config HAVE_FTRACE_MCOUNT_RECORD
2025-07-22 20:15:56 -04:00
relocs_check.sh
powerpc: Move script to check relocations at compile time in scripts/
2023-04-19 07:46:31 -07:00
remove-stale-files
selinux: move genheaders to security/selinux/
2024-10-03 16:07:51 -04:00
rust_is_available_bindgen_0_66.h
rust: warn about bindgen versions 0.66.0 and 0.66.1
2024-07-10 10:28:52 +02:00
rust_is_available_bindgen_libclang_concat.h
rust: warn on bindgen < 0.69.5 and libclang >= 19.1
2024-11-12 21:26:54 +01:00
rust_is_available_bindgen_libclang.h
scripts: add rust_is_available.sh
2022-09-28 09:02:06 +02:00
rust_is_available_test.py
rust: warn on bindgen < 0.69.5 and libclang >= 19.1
2024-11-12 21:26:54 +01:00
rust_is_available.sh
rust: document bindgen 0.71.0 regression
2025-01-10 00:17:00 +01:00
rustc-llvm-version.sh
kbuild: rust: avoid errors with old rustcs without LLVM patch version
2024-10-28 00:27:16 +01:00
rustc-version.sh
kbuild: rust: add CONFIG_RUSTC_VERSION
2024-09-05 22:44:18 +02:00
rustdoc_test_builder.rs
rust: use absolute paths in macros referencing core and kernel
2025-05-23 00:12:14 +02:00
rustdoc_test_gen.rs
rust: allow clippy::disallowed_names for doctests
2025-11-17 22:53:27 +01:00
setlocalversion
setlocalversion: add -e option
2024-11-28 08:11:56 +09:00
show_delta
scripts: make python shebangs specific about desired version
2025-03-15 21:19:44 +09:00
sign-file.c
sign-file,extract-cert: use pkcs11 provider for OPENSSL MAJOR >= 3
2024-09-20 19:52:48 +03:00
sorttable.c
sorttable: Move ELF parsing into scripts/elf-parse.[ch]
2025-10-24 16:43:14 -04:00
spdxcheck-test.sh
…
spdxcheck.py
treewide: Update email address
2026-01-11 06:09:11 -10:00
spdxexclude
…
spelling.txt
scripts/spelling.txt: add notifer||notifier to spelling.txt
2025-08-02 12:01:40 -07:00
ssl-common.h
sign-file,extract-cert: avoid using deprecated ERR_get_error_line()
2024-09-20 19:49:52 +03:00
stackdelta
…
stackusage
…
subarch.include
scripts: subarch.include: fix SUBARCH on macOS hosts
2024-09-10 13:56:37 +09:00
syscall.tbl
arch: hookup listns() system call
2025-11-03 17:41:18 +01:00
syscallhdr.sh
…
syscallnr.sh
…
syscalltbl.sh
x86/syscall: Mark exit[_group] syscall handlers __noreturn
2024-06-28 15:23:38 +02:00
tags.sh
scripts/tags.sh: allow to use alternative ctags implementation
2025-06-06 05:40:25 +09:00
tools-support-relr.sh
Makefile: use -z pack-relative-relocs
2023-04-17 11:23:06 +09:00
tracepoint-update.c
scripts/tracepoint-update: Fix memory leak in add_string() on failure
2026-01-23 13:34:45 -05:00
unifdef.c
scripts/unifdef: avoid constexpr keyword
2024-04-23 00:09:41 +09:00
ver_linux
ver_linux: Remove checks for reiserfsprogs.
2025-06-09 14:53:16 -06:00
verify_builtin_ranges.awk
scripts: add verifier script for builtin module range data
2024-09-20 09:21:52 +09:00
xen-hypercalls.sh
…
xz_wrap.sh
xz: adjust arch-specific options for better kernel compression
2024-09-01 20:43:27 -07:00