Yang Jihong 52c0622e53 tracing: Fix infinite loop in tracing_read_pipe on overflowed print_trace_line ... commit c1ac03af6e upstream. print_trace_line may overflow seq_file buffer. If the event is not consumed, the while loop keeps peeking this event, causing a infinite loop. Link: https://lkml.kernel.org/r/20221129113009.182425-1-yangjihong1@huawei.com Cc: Masami Hiramatsu <mhiramat@kernel.org> Cc: stable@vger.kernel.org Fixes: 088b1e427d ("ftrace: pipe fixes") Signed-off-by: Yang Jihong <yangjihong1@huawei.com> Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>		2023-01-14 10:16:33 +01:00
..
blktrace.c	blktrace: Fix output non-blktrace event when blk_classic option enabled	2023-01-14 10:15:41 +01:00
bpf_trace.c	bpf: Remove config check to enable bpf support for branch records	2022-01-27 10:53:54 +01:00
bpf_trace.h
fgraph.c	fgraph: Initialize tracing_graph_pause at task creation	2021-02-10 09:29:16 +01:00
ftrace.c	ftrace: Fix null pointer dereference in ftrace_add_mod()	2022-11-25 17:45:48 +01:00
ftrace_internal.h
Kconfig	tracing/kprobes: Do the notrace functions check without kprobes on ftrace	2021-01-19 18:27:19 +01:00
kprobe_event_gen_test.c	tracing: kprobe: Fix potential null-ptr-deref on trace_array in kprobe_event_gen_test_exit()	2022-11-25 17:45:49 +01:00
Makefile
power-traces.c
preemptirq_delay_test.c
ring_buffer.c	ring-buffer: Include dropped pages in counting dirty patches	2022-11-25 17:45:54 +01:00
ring_buffer_benchmark.c
rpm-traces.c
synth_event_gen_test.c	tracing: Fix memory leak in test_gen_synth_cmd() and test_empty_synth_event()	2022-11-25 17:45:49 +01:00
trace.c	tracing: Fix infinite loop in tracing_read_pipe on overflowed print_trace_line	2023-01-14 10:16:33 +01:00
trace.h	tracing: Fix pid filtering when triggers are attached	2021-12-01 09:19:01 +01:00
trace_benchmark.c
trace_benchmark.h
trace_boot.c	tracing/boot: Fix a hist trigger dependency for boot time tracing	2021-09-22 12:28:03 +02:00
trace_branch.c
trace_clock.c	tracing: Do no increment trace_clock_global() by one	2021-06-23 14:42:50 +02:00
trace_dynevent.c	tracing: Free buffers when a used dynamic event is removed	2022-12-08 11:23:58 +01:00
trace_dynevent.h
trace_entries.h
trace_event_perf.c
trace_events.c	tracing: Free buffers when a used dynamic event is removed	2022-12-08 11:23:58 +01:00
trace_events_filter.c	tracing: Add ustring operation to filtering string pointers	2022-03-08 19:09:31 +01:00
trace_events_filter_test.h
trace_events_hist.c	tracing/hist: Fix wrong return value in parse_action_params()	2023-01-14 10:16:33 +01:00
trace_events_inject.c
trace_events_synth.c	tracing: Fix wild-memory-access in register_synth_event()	2022-11-25 17:45:49 +01:00
trace_events_trigger.c	tracing: Dump stacktrace trigger to the corresponding instance	2022-04-27 13:53:46 +02:00
trace_export.c
trace_functions.c	tracing: Have all levels of checks prevent recursion	2021-10-27 09:56:56 +02:00
trace_functions_graph.c
trace_hwlat.c
trace_irqsoff.c	tracing: Use pause-on-trace with the latency tracers	2021-02-10 09:29:16 +01:00
trace_kdb.c
trace_kprobe.c	tracing: Fix return value of __setup handlers	2022-03-08 19:09:38 +01:00
trace_kprobe_selftest.c
trace_kprobe_selftest.h
trace_mmiotrace.c
trace_nop.c
trace_output.c
trace_output.h
trace_preemptirq.c	tracing: hold caller_addr to hardirq_{enable,disable}_ip	2022-09-23 14:16:58 +02:00
trace_printk.c
trace_probe.c	tracing/probes: Have kprobes and uprobes use $COMM too	2022-08-25 11:38:23 +02:00
trace_probe.h	tracing/probes: Reject events which have the same name of existing one	2021-09-22 12:28:00 +02:00
trace_probe_tmpl.h
trace_sched_switch.c
trace_sched_wakeup.c
trace_selftest.c	tracing: Disable ftrace selftests when any tracer is running	2020-12-30 11:54:28 +01:00
trace_selftest_dynamic.c
trace_seq.c
trace_stack.c
trace_stat.c
trace_stat.h
trace_synth.h	tracing: Synthetic event field_pos is an index not a boolean	2021-07-28 14:35:45 +02:00
trace_syscalls.c
trace_uprobe.c	tracing/uprobe: Fix uprobe_perf_open probes iteration	2021-12-01 09:19:01 +01:00
tracing_map.c	tracing: Fix a kmemleak false positive in tracing_map	2021-12-17 10:14:40 +01:00
tracing_map.h