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Andrii Nakryiko ef8f154c7c tracing/kprobes: Fix symbol counting logic by looking at modules as well 
commit 926fe783c8a64b33997fec405cf1af3e61aed441 upstream.

Recent changes to count number of matching symbols when creating
a kprobe event failed to take into account kernel modules. As such, it
breaks kprobes on kernel module symbols, by assuming there is no match.

Fix this my calling module_kallsyms_on_each_symbol() in addition to
kallsyms_on_each_match_symbol() to perform a proper counting.

Link: https://lore.kernel.org/all/20231027233126.2073148-1-andrii@kernel.org/

Cc: Francis Laniel <flaniel@linux.microsoft.com>
Cc: stable@vger.kernel.org
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Fixes: b022f0c7e404 ("tracing/kprobes: Return EADDRNOTAVAIL when func matches several symbols")
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Song Liu <song@kernel.org>
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Markus Boehme <markubo@amazon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
[Sherry: It's a fix for previous backport, thus backport together]
Signed-off-by: Sherry Yang <sherry.yang@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-11-23 23:21:49 +01:00
..
blktrace.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
bpf_trace.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
bpf_trace.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
error_report-traces.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
fgraph.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ftrace.c ftrace: Fix possible use-after-free issue in ftrace_location() 2024-11-23 23:21:16 +01:00
ftrace_internal.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ipc_logging.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ipc_logging_debug.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
ipc_logging_private.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
Kconfig tracing: Build event generation tests only as modules 2024-11-19 14:19:07 +01:00
kprobe_event_gen_test.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
Makefile Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
power-traces.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
preemptirq_delay_test.c tracing: Add MODULE_DESCRIPTION() to preemptirq_delay_test 2024-11-19 14:19:29 +01:00
ring_buffer.c ring-buffer: Fix a race between readers and resize checks 2024-11-19 12:26:51 +01:00
ring_buffer_benchmark.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
rpm-traces.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
synth_event_gen_test.c tracing / synthetic: Disable events after testing in synth_event_gen_test_init() 2024-11-18 12:12:01 +01:00
trace.c tracing: Have saved_cmdlines arrays all in one allocation 2024-11-23 23:21:48 +01:00
trace.h Revert "tracing: Have trace_event_file have ref counters" 2024-11-18 11:57:24 +01:00
trace_benchmark.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
trace_benchmark.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
trace_boot.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
trace_branch.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
trace_clock.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
trace_dynevent.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
trace_dynevent.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
trace_entries.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
trace_event_perf.c tracing: Show size of requested perf buffer 2024-11-19 11:32:38 +01:00
trace_events.c Revert "tracing: Have trace_event_file have ref counters" 2024-11-18 11:57:24 +01:00
trace_events_filter.c Revert "tracing: Have trace_event_file have ref counters" 2024-11-18 11:57:24 +01:00
trace_events_filter_test.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
trace_events_hist.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
trace_events_inject.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
trace_events_synth.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
trace_events_trigger.c Revert "tracing/trigger: Fix to return error if failed to alloc snapshot" 2024-11-19 11:32:21 +01:00
trace_export.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
trace_functions.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
trace_functions_graph.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
trace_hwlat.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
trace_irqsoff.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
trace_kdb.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
trace_kprobe.c tracing/kprobes: Fix symbol counting logic by looking at modules as well 2024-11-23 23:21:49 +01:00
trace_kprobe_selftest.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
trace_kprobe_selftest.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
trace_mmiotrace.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
trace_nop.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
trace_output.c tracing: Remove precision vsnprintf() check from print event 2024-11-23 23:21:48 +01:00
trace_output.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
trace_preemptirq.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
trace_printk.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
trace_probe.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
trace_probe.h tracing/kprobes: Return EADDRNOTAVAIL when func matches several symbols 2024-11-23 23:21:49 +01:00
trace_probe_tmpl.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
trace_readwrite.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
trace_sched_switch.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
trace_sched_wakeup.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
trace_selftest.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
trace_selftest_dynamic.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
trace_seq.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
trace_stack.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
trace_stat.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
trace_stat.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
trace_synth.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
trace_syscalls.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
trace_uprobe.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
tracing_map.c tracing: Fix overflow in get_free_elt() 2024-11-23 23:20:29 +01:00
tracing_map.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00