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Masami Hiramatsu b2aca8daa5 tracing: Reject string operand in the histogram expression 
commit a9d10ca4986571bffc19778742d508cc8dd13e02 upstream.

Since the string type can not be the target of the addition / subtraction
operation, it must be rejected. Without this fix, the string type silently
converted to digits.

Link: https://lkml.kernel.org/r/162742654278.290973.1523000673366456634.stgit@devnote2

Cc: stable@vger.kernel.org
Fixes: 100719dcef447 ("tracing: Add simple expression support to hist triggers")
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-08-12 13:22:12 +02:00
..
blktrace.c
block: add a bdget_part helper
2020-10-05 10:38:33 -06:00
bpf_trace.c
tracepoint: Add tracepoint_probe_register_may_exist() for BPF tracing
2021-07-14 16:55:46 +02:00
bpf_trace.h
bpf: Use dedicated bpf_trace_printk event instead of trace_printk()
2020-07-13 16:55:49 -07:00
fgraph.c
fgraph: Initialize tracing_graph_pause at task creation
2021-02-10 09:29:16 +01:00
ftrace_internal.h
x86/ftrace: Have ftrace trampolines turn read-only at the end of system boot up
2020-05-12 18:24:34 -04:00
ftrace.c
ftrace: Do not blindly read the ip address in ftrace_bug()
2021-06-16 12:01:40 +02:00
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: Add kprobe event command generation test module
2020-01-30 09:46:28 -05:00
Makefile
Kbuild updates for v5.9
2020-08-09 14:10:26 -07:00
power-traces.c
…
preemptirq_delay_test.c
tracing: Wait for preempt irq delay thread to execute
2020-05-11 17:00:34 -04:00
ring_buffer_benchmark.c
sched,tracing: Convert to sched_set_fifo()
2020-07-29 11:43:53 +02:00
ring_buffer.c
tracing: Fix bug in rb_per_cpu_empty() that might cause deadloop.
2021-07-28 14:35:45 +02:00
rpm-traces.c
…
synth_event_gen_test.c
tracing: Add support for dynamic strings to synthetic events
2020-10-05 19:32:18 -04:00
trace_benchmark.c
…
trace_benchmark.h
…
trace_boot.c
tracing: Disable ftrace selftests when any tracer is running
2020-12-30 11:54:28 +01:00
trace_branch.c
tracing: Make struct ring_buffer less ambiguous
2020-01-13 13:19:38 -05:00
trace_clock.c
tracing: Do no increment trace_clock_global() by one
2021-06-23 14:42:50 +02:00
trace_dynevent.c
tracing: Delete repeated words in comments
2020-09-21 21:06:02 -04:00
trace_dynevent.h
tracing: Remove check_arg() callbacks from dynevent args
2020-02-01 13:09:23 -05:00
trace_entries.h
tracing: Make ftrace packed events have align of 1
2020-06-16 21:21:02 -04:00
trace_event_perf.c
…
trace_events_filter_test.h
…
trace_events_filter.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
trace_events_hist.c
tracing: Reject string operand in the histogram expression
2021-08-12 13:22:12 +02:00
trace_events_inject.c
tracing: Initialize val to zero in parse_entry of inject code
2020-01-02 19:04:57 -05:00
trace_events_synth.c
tracing: Make -ENOMEM the default error for parse_synth_field()
2020-11-02 15:58:32 -05:00
trace_events_trigger.c
tracing: Fix event trigger to accept redundant spaces
2020-06-23 21:51:40 -04:00
trace_events.c
tracing: Do not count ftrace events in top level enable output
2021-02-17 11:02:20 +01:00
trace_export.c
treewide: Convert macro and uses of __section(foo) to __section("foo")
2020-10-25 14:51:49 -07:00
trace_functions_graph.c
tracing: make tracing_init_dentry() returns an integer instead of a d_entry pointer
2020-09-18 22:17:14 -04:00
trace_functions.c
tracing: Enable creating new instance early boot
2020-09-21 21:06:04 -04:00
trace_hwlat.c
tracing: Remove WARN_ON in start_thread()
2020-11-30 21:43:07 -05:00
trace_irqsoff.c
tracing: Use pause-on-trace with the latency tracers
2021-02-10 09:29:16 +01:00
trace_kdb.c
tracing: Rename trace_buffer to array_buffer
2020-01-13 13:19:38 -05:00
trace_kprobe_selftest.c
…
trace_kprobe_selftest.h
…
trace_kprobe.c
tracing/kprobe: Fix to support kretprobe events on unloaded modules
2021-02-10 09:29:16 +01:00
trace_mmiotrace.c
tracing: Make struct ring_buffer less ambiguous
2020-01-13 13:19:38 -05:00
trace_nop.c
…
trace_output.c
tracing: Make the space reserved for the pid wider
2020-09-18 12:42:11 -04:00
trace_output.h
…
trace_preemptirq.c
lockdep: fix order in trace_hardirqs_off_caller()
2020-09-14 10:08:07 +02:00
trace_printk.c
Updates for tracing and bootconfig:
2020-10-15 15:51:28 -07:00
trace_probe_tmpl.h
…
trace_probe.c
tracing/probe: Fix memleak in fetch_op_data operations
2020-06-16 21:21:02 -04:00
trace_probe.h
tracing: Move is_good_name() from trace_probe.h to trace.h
2020-10-15 12:01:13 -04:00
trace_sched_switch.c
tracing: Fix sched switch start/stop refcount racy updates
2020-01-30 09:46:10 -05:00
trace_sched_wakeup.c
tracing: Make struct ring_buffer less ambiguous
2020-01-13 13:19:38 -05:00
trace_selftest_dynamic.c
…
trace_selftest.c
tracing: Disable ftrace selftests when any tracer is running
2020-12-30 11:54:28 +01:00
trace_seq.c
tracing: Remove unused TRACE_SEQ_BUF_USED
2020-01-21 18:39:54 -05:00
trace_stack.c
tracing: make tracing_init_dentry() returns an integer instead of a d_entry pointer
2020-09-18 22:17:14 -04:00
trace_stat.c
tracing: make tracing_init_dentry() returns an integer instead of a d_entry pointer
2020-09-18 22:17:14 -04:00
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
Tracing updates:
2020-02-06 07:12:11 +00:00
trace_uprobe.c
tracing/uprobes: Support perf-style return probe
2020-09-21 21:06:03 -04:00
trace.c
tracing/histogram: Rename "cpu" to "common_cpu"
2021-07-28 14:35:45 +02:00
trace.h
tracing: Disable ftrace selftests when any tracer is running
2020-12-30 11:54:28 +01:00
tracing_map.c
tracing: Delete repeated words in comments
2020-09-21 21:06:02 -04:00
tracing_map.h
…