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linux/kernel/trace
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Martin Kaiser 66c658033d tracing: probes: error if BTF is required but unavailable 
traceprobe_expand_meta_args expands probe arguments based on BTF info.

Return an error if we have arguments that need expanding but BTF is not
supported.

The params variable is now unused, it can be removed.

Link: https://lore.kernel.org/all/20261014083838.31020-1-martin@kaiser.cx/

Fixes: d157d76944 ("tracing/probes: Support BTF field access from $retval")
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Reviewed-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
2026-10-15 10:09:36 +09:00
..
rv rv: Fix 32-bit build of nomiss KUnit test 2026-08-04 16:11:27 +02:00
blktrace.c block-7.0-20260305 2026-03-06 08:36:18 -08:00
bpf_trace.c bpf: Make bpf_trampoline_multi_detach return void 2026-08-13 02:52:23 +02:00
bpf_trace.h
error_report-traces.c
fgraph.c fgraph: Remove unused FGRAPH_MAX_INDEX 2026-09-11 13:37:50 -04:00
fprobe.c fprobe: Use guard(rcu_sched_notrace) and check rcu_is_watching() 2026-09-30 08:41:31 +09:00
ftrace_internal.h
ftrace.c ftrace: Use rcu_assign_pointer() for tmp_ops filter hash 2026-09-12 13:27:29 -04:00
Kconfig tracing/probes: Support dumping fetcharg program for debugging dynamic events 2026-07-02 21:12:40 +09:00
kprobe_event_gen_test.c
Makefile tracing: Updates for v7.2: 2026-06-18 20:53:00 -07:00
pid_list.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
pid_list.h trace/pid_list: optimize pid_list->lock contention 2025-11-13 15:15:54 -05:00
power-traces.c
preemptirq_delay_test.c tracing: Reject invalid preemptirq_delay_test CPU affinity 2026-07-28 07:18:50 -04:00
remote_test_events.h tracing: Add a trace remote module for testing 2026-03-09 12:33:55 -04:00
remote_test.c tracing: Fix desc in error path for the trace remote test module 2026-05-16 16:11:04 -04:00
rethook.c tracing: Fix typo "availabe" in comment 2026-09-11 13:54:14 -04:00
ring_buffer_benchmark.c tracing: Fix subbuf resize races with trace_pipe_raw readers 2026-09-04 16:19:07 -04:00
ring_buffer.c ring-buffer: Check resize_disabled before publishing the new subbuf order 2026-09-13 13:06:43 -04:00
rpm-traces.c
simple_ring_buffer.c tracing: Fix retry exhaustion in simple ring buffer reader swap 2026-08-27 21:31:41 -04:00
synth_event_gen_test.c
trace_benchmark.c
trace_benchmark.h
trace_boot.c tracing/boot: Add support for eprobe, fprobe, and tprobe events 2026-08-08 21:20:55 +09:00
trace_branch.c tracing/branch: Use pr_warn() instead of printk(KERN_WARNING) 2026-05-21 18:03:08 -04:00
trace_btf.c tracing/probes: Fix BTF kflag check for anonymous struct member access 2026-09-03 09:04:25 +09:00
trace_btf.h tracing/probes: Fix BTF kflag check for anonymous struct member access 2026-09-03 09:04:25 +09:00
trace_clock.c
trace_dynevent.c tracing/boot: Add support for eprobe, fprobe, and tprobe events 2026-08-08 21:20:55 +09:00
trace_dynevent.h
trace_entries.h tracing: Fix ftrace event field alignments 2026-02-05 09:47:11 -05:00
trace_eprobe.c treewide: refresh kmalloc_obj() conversions 2026-09-04 21:37:00 -07:00
trace_event_perf.c perf/ftrace: Fix WARNING in __unregister_ftrace_function 2026-05-29 11:27:40 -04:00
trace_events_filter_test.h
trace_events_filter.c tracing/filters: Fix false positive match in regex_match_full() 2026-07-29 14:32:11 -04:00
trace_events_hist.c tracing: Fix memory corruption from a "STACKTRACE" histogram key 2026-09-11 14:01:36 -04:00
trace_events_inject.c
trace_events_synth.c tracing/synthetic: Free type string on error path 2026-07-07 13:59:55 -04:00
trace_events_trigger.c tracing: Don't dereference trace_event_file in deferred trigger free 2026-09-12 13:27:41 -04:00
trace_events_user.c tracing/user_events: Don't destroy fields when event removal fails 2026-09-11 13:30:15 -04:00
trace_events.c tracing: Restore :mod: trailer after parsing in ftrace_set_clr_event() 2026-09-11 14:01:46 -04:00
trace_export.c tracing: Fix ftrace event field alignments 2026-02-05 09:47:11 -05:00
trace_fprobe.c Probes updates for v7.3: 2026-08-20 15:11:52 -07:00
trace_functions_graph.c function_graph: Use the saved entry's size when reprinting it 2026-09-11 13:39:08 -04:00
trace_functions.c ftrace: Take trace_array reference before accessing its ftrace_ops 2026-09-01 16:38:19 -04:00
trace_hwlat.c tracing: Fix false sharing in hwlat get_sample() 2026-02-10 03:36:39 -05:00
trace_irqsoff.c tracing: Allow tracer to add more than 32 options 2025-11-04 21:44:00 +09:00
trace_kdb.c tracing: Allow tracer to add more than 32 options 2025-11-04 21:44:00 +09:00
trace_kprobe_selftest.c
trace_kprobe_selftest.h
trace_kprobe.c tracing/probes: Treating longer symbol name on event comparation 2026-07-28 23:55:35 +09:00
trace_mmiotrace.c tracing updates for v7.3: 2026-08-19 14:06:14 -07:00
trace_nop.c
trace_osnoise.c tracing/osnoise: Call synchronize_rcu() when unregistering 2026-07-06 14:56:18 -04:00
trace_output.c tracing updates for v7.1: 2026-04-17 09:43:12 -07:00
trace_output.h tracing: Allow tracer to add more than 32 options 2025-11-04 21:44:00 +09:00
trace_pid.c tracing: Move pid filtering into trace_pid.c 2026-02-08 21:01:13 -05:00
trace_preemptirq.c tracing: Add a no-rcu-check version of trace_##event##_enabled() 2026-07-07 10:42:29 -04:00
trace_printk.c kernel/trace/trace_printk: Use kstrdup() instead of kmalloc() and strcpy() 2026-07-28 07:18:48 -04:00
trace_probe_kernel.h tracing/probes: Fix extra whitespace in trace_probe_kernel.h 2026-07-21 18:00:13 +09:00
trace_probe_tmpl.h tracing/probes: Add this_cpu_read() and this_cpu_ptr() dereference method to fetcharg 2026-07-14 22:43:16 +09:00
trace_probe.c tracing: probes: error if BTF is required but unavailable 2026-10-15 10:09:36 +09:00
trace_probe.h tracing/probes: Fix use-after-free on field name/type of events with multiple probes 2026-09-03 09:04:25 +09:00
trace_recursion_record.c tracing: Switch trace_recursion_record.c code over to use guard() 2026-05-21 18:03:07 -04:00
trace_remote.c tracing/remotes: Catch nr_page_va overflow in ring_buffer_desc sizing 2026-09-13 13:06:43 -04:00
trace_sched_switch.c tracing: Use strscpy() instead of strcpy() in trace_sched_switch 2026-07-28 07:18:50 -04:00
trace_sched_wakeup.c tracing: Allow tracer to add more than 32 options 2025-11-04 21:44:00 +09:00
trace_selftest_dynamic.c
trace_selftest.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
trace_seq.c tracing: Add bitmask-list option for human-readable bitmask display 2026-01-26 17:00:50 -05:00
trace_snapshot.c tracing: Remove duplicate latency_fsnotify() stub 2026-03-31 14:58:39 -04:00
trace_stack.c ftrace: Take trace_array reference before accessing its ftrace_ops 2026-09-01 16:38:19 -04:00
trace_stat.c Convert 'alloc_obj' family to use the new default GFP_KERNEL argument 2026-02-21 17:09:51 -08:00
trace_stat.h
trace_synth.h
trace_syscalls.c tracing: Make per-template BTF id lists file-local 2026-08-05 22:02:29 -04:00
trace_uprobe.c uprobes: guard trace cleanup against error pointers 2026-09-01 09:50:11 +09:00
trace.c tracing: Take trace_array reference when opening a tracer options file 2026-09-11 14:04:14 -04:00
trace.h tracing: Don't dereference trace_event_file in deferred trigger free 2026-09-12 13:27:41 -04:00
tracing_map.c tracing: Simplify pages allocation for tracing_map logic 2026-05-21 18:12:10 -04:00
tracing_map.h tracing: Simplify pages allocation for tracing_map logic 2026-05-21 18:12:10 -04:00
undefsyms_base.c tracing: Make undefsyms_base.c a first-class citizen 2026-04-22 11:24:41 -04:00