Ze Gao 2752741080 fprobe: add recursion detection in fprobe_exit_handler ... fprobe_hander and fprobe_kprobe_handler has guarded ftrace recursion detection but fprobe_exit_handler has not, which possibly introduce recursive calls if the fprobe exit callback calls any traceable functions. Checking in fprobe_hander or fprobe_kprobe_handler is not enough and misses this case. So add recursion free guard the same way as fprobe_hander. Since ftrace recursion check does not employ ip(s), so here use entry_ip and entry_parent_ip the same as fprobe_handler. Link: https://lore.kernel.org/all/20230517034510.15639-4-zegao@tencent.com/ Fixes: 5b0ab78998 ("fprobe: Add exit_handler support") Signed-off-by: Ze Gao <zegao@tencent.com> Cc: stable@vger.kernel.org Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org> Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>		2023-05-18 07:08:01 +09:00
..
rv	tracing/tools: Updates for 6.4	2023-04-28 16:11:26 -07:00
blktrace.c	block: remove more NULL checks after bdev_get_queue()	2023-02-21 09:23:22 -07:00
bpf_trace.c	tracing updates for 6.4:	2023-04-28 15:57:53 -07:00
bpf_trace.h
error_report-traces.c
fgraph.c	arm64 fixes for 5.19-rc1:	2022-06-03 14:05:34 -07:00
fprobe.c	fprobe: add recursion detection in fprobe_exit_handler	2023-05-18 07:08:01 +09:00
ftrace_internal.h
ftrace.c	Minor tracing updates:	2023-05-05 13:11:02 -07:00
Kconfig	tracing: Unbreak user events	2023-03-29 06:52:09 -04:00
kprobe_event_gen_test.c	tracing: Fix wrong return in kprobe_event_gen_test.c	2023-03-19 12:20:48 -04:00
Makefile	rv: Add Runtime Verification (RV) interface	2022-07-30 14:01:28 -04:00
pid_list.c	tracing: Cleanup double word in comment	2022-04-26 17:58:50 -04:00
pid_list.h
power-traces.c
preemptirq_delay_test.c
rethook.c	rethook: use preempt_{disable, enable}_notrace in rethook_trampoline_handler	2023-05-18 07:08:01 +09:00
ring_buffer_benchmark.c	ring_buffer: Remove unused "event" parameter	2022-11-23 19:08:30 -05:00
ring_buffer.c	tracing updates for 6.4:	2023-04-28 15:57:53 -07:00
rpm-traces.c
synth_event_gen_test.c	tracing: Always use canonical ftrace path	2023-02-18 14:34:09 -05:00
trace_benchmark.c	tracing: Add numeric delta time to the trace event benchmark	2022-09-26 13:01:09 -04:00
trace_benchmark.h	tracing: Add numeric delta time to the trace event benchmark	2022-09-26 13:01:09 -04:00
trace_boot.c	tracing: Initialize integer variable to prevent garbage return value	2022-05-26 21:13:00 -04:00
trace_branch.c
trace_clock.c
trace_dynevent.c	tracing: Free buffers when a used dynamic event is removed	2022-11-23 19:07:12 -05:00
trace_dynevent.h
trace_entries.h
trace_eprobe.c	kernel/trace: extract common part in process_fetch_insn	2023-02-24 10:04:13 +09:00
trace_event_perf.c	tracing/perf: Use strndup_user instead of kzalloc/strncpy_from_user	2022-11-23 19:08:31 -05:00
trace_events_filter_test.h
trace_events_filter.c	tracing: Add a way to filter function addresses to function names	2023-01-25 10:31:11 -05:00
trace_events_hist.c	tracing: Check field value in hist_field_name()	2023-03-09 22:17:06 -05:00
trace_events_inject.c
trace_events_synth.c	tracing/synthetic: Make lastcmd_mutex static	2023-04-06 15:08:18 -04:00
trace_events_trigger.c	tracing: Do not synchronize freeing of trigger filter on boot up	2022-12-14 08:50:56 -05:00
trace_events_user.c	tracing/user_events: Limit max fault-in attempts	2023-04-25 21:04:45 -04:00
trace_events.c	tracing updates for 6.3:	2023-02-23 10:20:49 -08:00
trace_export.c	tracing: Fix TASK_COMM_LEN in trace event format file	2023-02-12 10:23:39 -05:00
trace_functions_graph.c
trace_functions.c
trace_hwlat.c	tracing/hwlat: Replace sched_setaffinity with set_cpus_allowed_ptr	2023-03-19 13:23:22 -04:00
trace_irqsoff.c
trace_kdb.c
trace_kprobe_selftest.c
trace_kprobe_selftest.h
trace_kprobe.c	kernel/trace: extract common part in process_fetch_insn	2023-02-24 10:04:13 +09:00
trace_mmiotrace.c
trace_nop.c
trace_osnoise.c	RCU Changes for 6.4:	2023-04-24 12:16:14 -07:00
trace_output.c	tracing: Add missing spaces in trace_print_hex_seq()	2023-04-26 09:10:02 -04:00
trace_output.h	tracing: Add "fields" option to show raw trace event fields	2023-03-29 06:52:08 -04:00
trace_preemptirq.c	cpuidle: tracing, preempt: Squash _rcuidle tracing	2023-01-31 15:01:46 +01:00
trace_printk.c
trace_probe_kernel.h	kernel/trace: Provide default impelentations defined in trace_probe_tmpl.h	2023-02-24 09:44:27 +09:00
trace_probe_tmpl.h	kernel/trace: extract common part in process_fetch_insn	2023-02-24 10:04:13 +09:00
trace_probe.c	tracing: Rename kvfree_rcu() to kvfree_rcu_mightsleep()	2023-04-05 13:48:03 +00:00
trace_probe.h	kernel/trace: Introduce trace_probe_print_args and use it in *probes	2023-02-24 09:44:15 +09:00
trace_recursion_record.c	tracing: Use trace_create_file() to simplify creation of tracefs entries	2022-05-26 21:12:52 -04:00
trace_sched_switch.c	sched/tracing: Append prev_state to tp args instead	2022-05-12 00:37:11 +02:00
trace_sched_wakeup.c	sched/tracing: Append prev_state to tp args instead	2022-05-12 00:37:11 +02:00
trace_selftest_dynamic.c
trace_selftest.c	ftrace: selftest: remove broken trace_direct_tramp	2023-03-21 13:59:29 -04:00
trace_seq.c	tracing: Acquire buffer from temparary trace sequence	2023-02-07 12:42:54 -05:00
trace_stack.c
trace_stat.c
trace_stat.h
trace_synth.h	tracing: Allow synthetic events to pass around stacktraces	2023-01-25 10:31:24 -05:00
trace_syscalls.c	tracing: Remove unused __bad_type_size() method	2022-11-17 20:21:06 -05:00
trace_uprobe.c	kernel/trace: extract common part in process_fetch_insn	2023-02-24 10:04:13 +09:00
trace.c	Minor tracing updates:	2023-05-05 13:11:02 -07:00
trace.h	tracing: Add "fields" option to show raw trace event fields	2023-03-29 06:52:08 -04:00
tracing_map.c	tracing: Remove unused variable 'dups'	2022-10-03 12:20:31 -04:00
tracing_map.h