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Achill Gilgenast 7837fb8e97 kallsyms: fix build without execinfo 
commit a95743b530 upstream.

Some libc's like musl libc don't provide execinfo.h since it's not part of
POSIX.  In order to fix compilation on musl, only include execinfo.h if
available (HAVE_BACKTRACE_SUPPORT)

This was discovered with c104c16073 ("Kunit to check the longest symbol
length") which starts to include linux/kallsyms.h with Alpine Linux'
configs.

Link: https://lkml.kernel.org/r/20250622014608.448718-1-fossdd@pwned.life
Fixes: c104c16073 ("Kunit to check the longest symbol length")
Signed-off-by: Achill Gilgenast <fossdd@pwned.life>
Cc: Luis Henriques <luis@igalia.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2025-07-17 18:32:09 +02:00
..
accounting delayacct: improve the average delay precision of getdelay tool to microsecond 2024-10-17 15:22:06 +02:00
arch tools/x86/kcpuid: Protect against faulty "max subleaf" values 2024-10-17 15:21:41 +02:00
bootconfig tools/bootconfig: Fix the wrong format specifier 2025-02-21 13:49:20 +01:00
bpf tools/resolve_btfids: Fix build when cross compiling kernel with clang. 2025-06-27 11:07:24 +01:00
build tools/build: Don't pass test log files to linker 2025-06-04 14:40:04 +02:00
certs tools/certs: Add print-cert-tbs-hash.sh 2022-05-23 18:47:49 +03:00
cgroup iocost_monitor: reorder BlkgIterator 2022-09-23 16:57:10 -10:00
counter kbuild: replace $(if A,A,B) with $(or A,B) 2022-02-15 12:25:56 +09:00
debugging tools: Add new "test" taint to kernel-chktaint 2022-09-07 14:51:12 -06:00
edid tools/edid: Move EDID data sets from Documentation/ 2020-02-19 04:10:32 -07:00
firewire treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
firmware Driver Core and debugfs changes for 5.3-rc1 2019-07-12 12:24:03 -07:00
gpio tools: gpio: fix debounce_period_us output of lsgpio 2023-06-21 16:00:52 +02:00
hv tools: hv: rm .*.cmd when make clean 2024-09-30 16:23:50 +02:00
iio tools/iio: Add memory allocation failure check for trigger_name 2024-10-17 15:22:17 +02:00
include kallsyms: fix build without execinfo 2025-07-17 18:32:09 +02:00
io_uring tools/io_uring/io_uring-cp: sync with liburing example 2021-08-13 08:58:11 -06:00
kvm/kvm_stat tools/kvm_stat: update exit reasons for vmx/svm/aarch64/userspace 2022-11-09 12:26:52 -05:00
laptop change email address for Pali Rohár 2020-04-10 15:36:22 -07:00
leds .gitignore: add SPDX License Identifier 2020-03-25 11:50:48 +01:00
lib libbpf: Fix null pointer dereference in btf_dump__free on allocation failure 2025-07-06 10:58:00 +02:00
memory-model tools/memory-model: Fix bug in lock.cat 2024-08-03 08:49:36 +02:00
objtool objtool: Properly disable uaccess validation 2025-06-04 14:40:03 +02:00
pci kbuild: replace $(if A,A,B) with $(or A,B) 2022-02-15 12:25:56 +09:00
pcmcia .gitignore: add SPDX License Identifier 2020-03-25 11:50:48 +01:00
perf perf record: Fix incorrect --user-regs comments 2025-06-27 11:07:15 +01:00
power pm: cpupower: bench: Prevent NULL dereference on malloc failure 2025-04-25 10:43:27 +02:00
rcu tools/rcu: Add an extract-stall script 2021-09-16 10:31:26 -07:00
scripts tools: Override makefile ARCH variable if defined, but empty 2024-12-14 19:54:30 +01:00
spi spi: spidev_test: Warn when the mode is not the requested mode 2022-06-13 15:56:03 +01:00
testing selftests/x86: Add a test to detect infinite SIGTRAP handler loop 2025-06-27 11:07:37 +01:00
thermal tools/thermal: Fix possible path truncations 2022-08-03 19:28:46 +02:00
time treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282 2019-06-05 17:36:37 +02:00
tracing rtla/timerlat_top: Abort event processing on second signal 2025-02-21 13:49:59 +01:00
usb usbip: tools: Fix detach_port() invalid port error path 2024-11-08 16:26:44 +01:00
verification verification/dot2: Improve dot parser robustness 2024-12-14 19:54:47 +01:00
virtio tools/virtio: fix the vringh test for virtio ring changes 2023-02-22 12:59:42 +01:00
vm tools/mm/page_owner_sort.c: fix TGID output when cull=tg is used 2023-04-26 14:28:39 +02:00
wmi treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
Makefile tools/nolibc: make the default target build the headers 2022-06-20 09:43:19 -07:00