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WSL2-Linux-Kernel
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WSL2-Linux-Kernel/kernel
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Zheng Yejian 394514ddf9 tracing: Fix issue of missing one synthetic field 
commit ff4837f7fe upstream.

The maximum number of synthetic fields supported is defined as
SYNTH_FIELDS_MAX which value currently is 64, but it actually fails
when try to generate a synthetic event with 64 fields by executing like:

  # echo "my_synth_event int v1; int v2; int v3; int v4; int v5; int v6;\
   int v7; int v8; int v9; int v10; int v11; int v12; int v13; int v14;\
   int v15; int v16; int v17; int v18; int v19; int v20; int v21; int v22;\
   int v23; int v24; int v25; int v26; int v27; int v28; int v29; int v30;\
   int v31; int v32; int v33; int v34; int v35; int v36; int v37; int v38;\
   int v39; int v40; int v41; int v42; int v43; int v44; int v45; int v46;\
   int v47; int v48; int v49; int v50; int v51; int v52; int v53; int v54;\
   int v55; int v56; int v57; int v58; int v59; int v60; int v61; int v62;\
   int v63; int v64" >> /sys/kernel/tracing/synthetic_events

Correct the field counting to fix it.

Link: https://lore.kernel.org/linux-trace-kernel/20221207091557.3137904-1-zhengyejian1@huawei.com

Cc: <mhiramat@kernel.org>
Cc: <zanussi@kernel.org>
Cc: stable@vger.kernel.org
Fixes: c9e759b1e8 ("tracing: Rework synthetic event command parsing")
Signed-off-by: Zheng Yejian <zhengyejian1@huawei.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
[Fix conflict due to lack of c24be24aed]
Signed-off-by: Zheng Yejian <zhengyejian1@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 		2023-01-12 11:59:03 +01:00
..
bpf bpf: Prevent decl_tag from being referenced in func_proto arg 2022-12-31 13:14:42 +01:00
cgroup memcg: fix possible use-after-free in memcg_write_event_control() 2022-12-14 11:37:19 +01:00
configs drivers/char: remove /dev/kmem for good 2021-05-07 00:26:34 -07:00
debug lockdown: also lock down previous kgdb use 2022-05-25 09:57:37 +02:00
dma swiotlb: max mapping size takes min align mask into account 2022-10-05 10:39:40 +02:00
entry lockdep: Fix -Wunused-parameter for _THIS_IP_ 2022-09-20 12:39:42 +02:00
events perf/core: Call LSM hook after copying perf_event_attr 2023-01-12 11:58:53 +01:00
futex futex: Resend potentially swallowed owner death notification 2022-12-31 13:14:04 +01:00
gcov gcov: add support for checksum field 2022-12-31 13:14:47 +01:00
irq genirq/irqdesc: Don't try to remove non-existing sysfs files 2022-12-31 13:14:03 +01:00
kcsan kcsan: Instrument memcpy/memset/memmove with newer Clang 2023-01-12 11:58:48 +01:00
livepatch livepatch: fix race between fork and KLP transition 2022-10-26 12:34:30 +02:00
locking lockdep: Fix -Wunused-parameter for _THIS_IP_ 2022-09-20 12:39:42 +02:00
power PM: hibernate: Fix mistake in kerneldoc comment 2022-12-31 13:14:01 +01:00
printk printk: wake waiters for safe and NMI contexts 2022-06-09 10:22:49 +02:00
rcu rcu-tasks: Simplify trc_read_check_handler() atomic operations 2023-01-12 11:58:49 +01:00
sched sched/uclamp: Make asym_fits_capacity() use util_fits_cpu() 2022-12-31 13:14:01 +01:00
time timekeeping: contribute wall clock to rng on time change 2022-08-17 14:24:24 +02:00
trace tracing: Fix issue of missing one synthetic field 2023-01-12 11:59:03 +01:00
.gitignore .gitignore: prefix local generated files with a slash 2021-05-02 00:43:35 +09:00
Kconfig.freezer
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Kconfig.hz
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Kconfig.locks locking/rwlock: Provide RT variant 2021-08-17 17:50:51 +02:00
Kconfig.preempt sched/core: Disable CONFIG_SCHED_CORE by default 2021-06-28 22:43:05 +02:00
Makefile futex: Move to kernel/futex/ 2022-12-31 13:14:04 +01:00
acct.c acct: fix potential integer overflow in encode_comp_t() 2022-12-31 13:14:40 +01:00
async.c Revert "module, async: async_synchronize_full() on module init iff async is used" 2022-02-23 12:03:07 +01:00
audit.c audit: improve audit queue handling when "audit=1" on cmdline 2022-02-08 18:34:03 +01:00
audit.h audit: log AUDIT_TIME_* records only from rules 2022-04-08 14:23:06 +02:00
audit_fsnotify.c audit: fix potential double free on error path from fsnotify_add_inode_mark 2022-08-31 17:16:33 +02:00
audit_tree.c audit: move put_tree() to avoid trim_trees refcount underflow and UAF 2021-08-24 18:52:36 -04:00
audit_watch.c
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auditfilter.c
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auditsc.c audit: log AUDIT_TIME_* records only from rules 2022-04-08 14:23:06 +02:00
backtracetest.c
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bounds.c
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capability.c
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cfi.c cfi: Fix __cfi_slowpath_diag RCU usage with cpuidle 2022-06-22 14:22:04 +02:00
compat.c arch: remove compat_alloc_user_space 2021-09-08 15:32:35 -07:00
configs.c
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context_tracking.c
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cpu.c cpu/hotplug: Do not bail-out in DYING/STARTING sections 2022-12-31 13:14:04 +01:00
cpu_pm.c PM: cpu: Make notifier chain use a raw_spinlock_t 2021-08-16 18:55:32 +02:00
crash_core.c kernel/crash_core: suppress unknown crashkernel parameter warning 2021-12-29 12:28:49 +01:00
crash_dump.c
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cred.c ucounts: Base set_cred_ucounts changes on the real user 2022-02-23 12:03:20 +01:00
delayacct.c delayacct: Add sysctl to enable at runtime 2021-05-12 11:43:25 +02:00
dma.c
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exec_domain.c
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exit.c fix race between exit_itimers() and /proc/pid/timers 2022-07-21 21:24:11 +02:00
extable.c
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fail_function.c
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fork.c seccomp: Move copy_seccomp() to no failure path. 2022-12-31 13:14:00 +01:00
freezer.c sched: Add get_current_state() 2021-06-18 11:43:08 +02:00
gen_kheaders.sh kbuild: clean up ${quiet} checks in shell scripts 2021-05-27 04:01:50 +09:00
groups.c
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hung_task.c Merge branch 'akpm' (patches from Andrew) 2021-07-02 12:08:10 -07:00
iomem.c
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irq_work.c irq_work: Make irq_work_queue() NMI-safe again 2021-06-10 10:00:08 +02:00
jump_label.c jump_label: Fix jump_label_text_reserved() vs __init 2021-07-05 10:46:20 +02:00
kallsyms.c module: add printk formats to add module build ID to stacktraces 2021-07-08 11:48:22 -07:00
kcmp.c
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kcov.c
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kexec.c kexec: avoid compat_alloc_user_space 2021-09-08 15:32:34 -07:00
kexec_core.c Merge branch 'rework/printk_safe-removal' into for-linus 2021-08-30 16:36:10 +02:00
kexec_elf.c
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kexec_file.c ima: force signature verification when CONFIG_KEXEC_SIG is configured 2022-07-21 21:24:29 +02:00
kexec_internal.h
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kheaders.c
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kmod.c modules: add CONFIG_MODPROBE_PATH 2021-05-07 00:26:33 -07:00
kprobes.c kprobes: Skip clearing aggrprobe's post_handler in kprobe-on-ftrace case 2022-11-26 09:24:50 +01:00
ksysfs.c
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kthread.c Merge branch 'akpm' (patches from Andrew) 2021-06-29 17:29:11 -07:00
latencytop.c
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module-internal.h
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module.c module: fix [e_shstrndx].sh_size=0 OOB access 2022-07-12 16:35:09 +02:00
module_signature.c
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module_signing.c
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notifier.c notifier: Remove atomic_notifier_call_chain_robust() 2021-08-16 18:55:32 +02:00
nsproxy.c memcg: enable accounting for new namesapces and struct nsproxy 2021-09-03 09:58:12 -07:00
padata.c padata: Fix list iterator in padata_do_serial() 2022-12-31 13:14:24 +01:00
panic.c Merge branch 'rework/printk_safe-removal' into for-linus 2021-08-30 16:36:10 +02:00
params.c params: lift param_set_uint_minmax to common code 2021-08-16 14:42:22 +02:00
pid.c kernel/pid.c: implement additional checks upon pidfd_create() parameters 2021-08-10 12:53:07 +02:00
pid_namespace.c memcg: enable accounting for new namesapces and struct nsproxy 2021-09-03 09:58:12 -07:00
profile.c profiling: fix shift too large makes kernel panic 2022-08-17 14:24:04 +02:00
ptrace.c ptrace: Reimplement PTRACE_KILL by always sending SIGKILL 2022-06-09 10:22:29 +02:00
range.c
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reboot.c reboot: Add hardware protection power-off 2021-06-21 13:08:36 +01:00
regset.c
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relay.c relay: fix type mismatch when allocating memory in relay_create_buf() 2022-12-31 13:14:05 +01:00
resource.c kernel/resource: fix kfree() of bootmem memory again 2022-04-08 14:23:43 +02:00
resource_kunit.c
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rseq.c rseq: Remove broken uapi field layout on 32-bit little endian 2022-04-08 14:23:10 +02:00
scftorture.c scftorture: Fix distribution of short handler delays 2022-06-09 10:22:46 +02:00
scs.c scs: Release kasan vmalloc poison in scs_free process 2021-11-18 19:16:29 +01:00
seccomp.c seccomp: Invalidate seccomp mode to catch death failures 2022-02-16 12:56:38 +01:00
signal.c signal handling: don't use BUG_ON() for debugging 2022-07-21 21:24:42 +02:00
smp.c locking/csd_lock: Change csdlock_debug from early_param to __setup 2022-08-17 14:24:24 +02:00
smpboot.c smpboot: Replace deprecated CPU-hotplug functions. 2021-08-10 14:57:42 +02:00
smpboot.h
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softirq.c genirq: Change force_irqthreads to a static key 2021-08-10 22:50:07 +02:00
stackleak.c gcc-plugins/stackleak: Use noinstr in favor of notrace 2022-02-23 12:03:07 +01:00
stacktrace.c stacktrace: move filter_irq_stacks() to kernel/stacktrace.c 2022-04-13 20:59:28 +02:00
static_call.c static_call: Don't make __static_call_return0 static 2022-04-13 20:59:28 +02:00
static_call_inline.c static_call: Don't make __static_call_return0 static 2022-04-13 20:59:28 +02:00
stop_machine.c
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sys.c ucounts: Move RLIMIT_NPROC handling after set_user 2022-02-23 12:03:20 +01:00
sys_ni.c kernel/sys_ni: add compat entry for fadvise64_64 2022-08-31 17:16:33 +02:00
sysctl-test.c kernel/sysctl-test: Remove some casts which are no-longer required 2021-06-23 16:41:24 -06:00
sysctl.c proc: proc_skip_spaces() shouldn't think it is working on C strings 2022-12-08 11:28:45 +01:00
task_work.c kasan: record task_work_add() call stack 2021-04-30 11:20:42 -07:00
taskstats.c
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test_kprobes.c
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torture.c torture: Replace deprecated CPU-hotplug functions. 2021-08-10 10:48:07 -07:00
tracepoint.c tracepoint: Fix kerneldoc comments 2021-08-16 11:39:51 -04:00
tsacct.c taskstats: Cleanup the use of task->exit_code 2022-01-27 11:05:35 +01:00
ucount.c ucounts: Handle wrapping in is_ucounts_overlimit 2022-02-23 12:03:20 +01:00
uid16.c
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uid16.h
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umh.c kernel/umh.c: fix some spelling mistakes 2021-05-07 00:26:34 -07:00
up.c A set of locking related fixes and updates: 2021-05-09 13:07:03 -07:00
user-return-notifier.c
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user.c fs/epoll: use a per-cpu counter for user's watches count 2021-09-08 11:50:27 -07:00
user_namespace.c ucounts: Fix systemd LimitNPROC with private users regression 2022-03-08 19:12:42 +01:00
usermode_driver.c Merge branch 'work.namei' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2021-07-03 11:41:14 -07:00
utsname.c
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utsname_sysctl.c
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watch_queue.c watch_queue: Fix missing locking in add_watch_to_object() 2022-08-03 12:03:43 +02:00
watchdog.c watchdog: export lockup_detector_reconfigure 2022-08-25 11:40:43 +02:00
watchdog_hld.c
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workqueue.c workqueue: don't skip lockdep work dependency in cancel_work_sync() 2022-09-28 11:11:56 +02:00
workqueue_internal.h workqueue: Assign a color to barrier work items 2021-08-17 07:49:10 -10:00