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Masami Hiramatsu (Google) df2cc87f2c fprobe: Fix to ensure the number of active retprobes is not zero 
[ Upstream commit 700b2b4397 ]

The number of active retprobes can be zero but it is not acceptable,
so return EINVAL error if detected.

Link: https://lore.kernel.org/all/169750018550.186853.11198884812017796410.stgit@devnote2/

Reported-by: wuqiang.matt <wuqiang.matt@bytedance.com>
Closes: https://lore.kernel.org/all/20231016222103.cb9f426edc60220eabd8aa6a@kernel.org/
Fixes: 5b0ab78998 ("fprobe: Add exit_handler support")
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-10-25 12:03:12 +02:00
..
rv
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blktrace.c
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bpf_trace.c
fprobe: Pass entry_data to handlers
2023-10-25 12:03:12 +02:00
bpf_trace.h
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error_report-traces.c
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fgraph.c
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fprobe.c
fprobe: Fix to ensure the number of active retprobes is not zero
2023-10-25 12:03:12 +02:00
ftrace_internal.h
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ftrace.c
ftrace: Fix possible warning on checking all pages used in ftrace_process_locs()
2023-07-23 13:49:44 +02:00
Kconfig
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kprobe_event_gen_test.c
tracing: Fix wrong return in kprobe_event_gen_test.c
2023-04-06 12:10:41 +02:00
Makefile
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pid_list.c
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pid_list.h
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power-traces.c
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preemptirq_delay_test.c
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rethook.c
fprobe: Ensure running fprobe_exit_handler() finished before calling rethook_free()
2023-07-23 13:49:46 +02:00
ring_buffer_benchmark.c
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ring_buffer.c
ring-buffer: Fix bytes info in per_cpu buffer stats
2023-10-10 22:00:36 +02:00
rpm-traces.c
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synth_event_gen_test.c
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trace_benchmark.c
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trace_benchmark.h
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trace_boot.c
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trace_branch.c
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trace_clock.c
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trace_dynevent.c
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trace_dynevent.h
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trace_entries.h
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trace_eprobe.c
kernel/trace: Fix cleanup logic of enable_trace_eprobe
2023-07-23 13:49:24 +02:00
trace_event_perf.c
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trace_events_filter_test.h
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trace_events_filter.c
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trace_events_hist.c
tracing: Allow synthetic events to pass around stacktraces
2023-08-03 10:23:55 +02:00
trace_events_inject.c
tracing: Have event inject files inc the trace array ref count
2023-09-23 11:11:11 +02:00
trace_events_synth.c
tracing: Fix trace_event_raw_event_synth() if else statement
2023-08-03 10:24:17 +02:00
trace_events_trigger.c
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trace_events_user.c
tracing/user_events: Fix struct arg size match check
2023-07-23 13:49:47 +02:00
trace_events.c
tracing: relax trace_event_eval_update() execution with cond_resched()
2023-10-25 12:03:10 +02:00
trace_export.c
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trace_functions_graph.c
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trace_functions.c
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trace_hwlat.c
tracing: Remove extra space at the end of hwlat_detector/mode
2023-09-13 09:42:57 +02:00
trace_irqsoff.c
tracing: Fix memleak due to race between current_tracer and trace
2023-08-30 16:11:00 +02:00
trace_kdb.c
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trace_kprobe_selftest.c
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trace_kprobe_selftest.h
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trace_kprobe.c
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trace_mmiotrace.c
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trace_nop.c
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trace_osnoise.c
tracing/timerlat: Always wakeup the timerlat thread
2023-06-09 10:34:24 +02:00
trace_output.c
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trace_output.h
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trace_preemptirq.c
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trace_printk.c
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trace_probe_kernel.h
tracing/probes: Fix to record 0-length data_loc in fetch_store_string*() if fails
2023-08-03 10:23:55 +02:00
trace_probe_tmpl.h
tracing/probes: Fix to record 0-length data_loc in fetch_store_string*() if fails
2023-08-03 10:23:55 +02:00
trace_probe.c
Revert "tracing: Add "(fault)" name injection to kernel probes"
2023-08-03 10:23:55 +02:00
trace_probe.h
tracing/probes: Add symstr type for dynamic events
2023-08-03 10:23:54 +02:00
trace_recursion_record.c
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trace_sched_switch.c
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trace_sched_wakeup.c
tracing: Fix memleak due to race between current_tracer and trace
2023-08-30 16:11:00 +02:00
trace_selftest_dynamic.c
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trace_selftest.c
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trace_seq.c
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trace_stack.c
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trace_stat.c
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trace_stat.h
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trace_synth.h
tracing: Allow synthetic events to pass around stacktraces
2023-08-03 10:23:55 +02:00
trace_syscalls.c
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trace_uprobe.c
bpf: Clear the probe_addr for uprobe
2023-09-13 09:42:30 +02:00
trace.c
tracing: Have option files inc the trace array ref count
2023-09-23 11:11:11 +02:00
trace.h
tracing: Increase trace array ref count on enable and filter files
2023-09-23 11:11:11 +02:00
tracing_map.c
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tracing_map.h
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