Lizhi Xu 2558d753df tracing: Prevent bad count for tracing_cpumask_write ...

[ Upstream commit 98feccbf32 ]

If a large count is provided, it will trigger a warning in bitmap_parse_user.
Also check zero for it.

Cc: stable@vger.kernel.org
Fixes: 9e01c1b74c ("cpumask: convert kernel trace functions")
Link: https://lore.kernel.org/20241216073238.2573704-1-lizhi.xu@windriver.com
Reported-by: syzbot+0aecfd34fb878546f3fd@syzkaller.appspotmail.com
Closes: https://syzkaller.appspot.com/bug?extid=0aecfd34fb878546f3fd
Tested-by: syzbot+0aecfd34fb878546f3fd@syzkaller.appspotmail.com
Signed-off-by: Lizhi Xu <lizhi.xu@windriver.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

2025-01-09 13:25:04 +01:00

..

blktrace.c

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bpf_trace.c

bpf: Clear the probe_addr for uprobe

2023-09-19 12:20:07 +02:00

bpf_trace.h

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fgraph.c

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ftrace_internal.h

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ftrace.c

ftrace: Fix regression with module command in stack_trace_filter

2024-12-14 19:47:37 +01:00

Kconfig

tracing: Build event generation tests only as modules

2024-07-05 09:12:37 +02:00

kprobe_event_gen_test.c

tracing: Fix wrong return in kprobe_event_gen_test.c

2023-04-05 11:23:46 +02:00

Makefile

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power-traces.c

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preemptirq_delay_test.c

tracing: Add MODULE_DESCRIPTION() to preemptirq_delay_test

2024-07-05 09:12:43 +02:00

ring_buffer_benchmark.c

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ring_buffer.c

ring-buffer: Fix a race between readers and resize checks

2024-06-16 13:31:59 +02:00

rpm-traces.c

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synth_event_gen_test.c

tracing / synthetic: Disable events after testing in synth_event_gen_test_init()

2024-01-05 15:12:28 +01:00

trace_benchmark.c

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trace_benchmark.h

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trace_boot.c

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trace_branch.c

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trace_clock.c

tracing: Use atomic64_inc_return() in trace_clock_counter()

2024-12-14 19:48:30 +01:00

trace_dynevent.c

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trace_dynevent.h

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trace_entries.h

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trace_event_perf.c

trace/trace_event_perf: remove duplicate samples on the first tracepoint event

2024-12-14 19:47:57 +01:00

trace_events_filter_test.h

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trace_events_filter.c

tracing: Have trace_event_file have ref counters

2023-11-28 16:55:02 +00:00

trace_events_hist.c

tracing/histograms: Return an error if we fail to add histogram to hist_vars list

2023-07-27 08:44:43 +02:00

trace_events_inject.c

tracing: Have event inject files inc the trace array ref count

2023-10-10 21:53:25 +02:00

trace_events_synth.c

tracing: Add tracing_reset_all_online_cpus_unlocked() function

2023-06-28 10:28:06 +02:00

trace_events_trigger.c

Revert "tracing/trigger: Fix to return error if failed to alloc snapshot"

2024-05-02 16:23:36 +02:00

trace_events.c

tracing: Have trace_event_file have ref counters

2023-11-28 16:55:02 +00:00

trace_export.c

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trace_functions_graph.c

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trace_functions.c

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trace_hwlat.c

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trace_irqsoff.c

tracing: Fix memleak due to race between current_tracer and trace

2023-08-30 16:23:12 +02:00

trace_kdb.c

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trace_kprobe_selftest.c

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trace_kprobe_selftest.h

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trace_kprobe.c

tracing/kprobe: Make trace_kprobe's module callback called after jump_label update

2025-01-09 13:24:57 +01:00

trace_mmiotrace.c

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trace_nop.c

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trace_output.c

tracing: Remove precision vsnprintf() check from print event

2024-10-17 15:08:28 +02:00

trace_output.h

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trace_preemptirq.c

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trace_printk.c

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trace_probe_tmpl.h

tracing/probes: Fix to update dynamic data counter if fetcharg uses it

2023-08-26 15:26:50 +02:00

trace_probe.c

tracing: Consider the NULL character when validating the event length

2024-11-08 16:21:59 +01:00

trace_probe.h

tracing/kprobes: Return EADDRNOTAVAIL when func matches several symbols

2024-10-17 15:08:29 +02:00

trace_sched_switch.c

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trace_sched_wakeup.c

tracing: Fix memleak due to race between current_tracer and trace

2023-08-30 16:23:12 +02:00

trace_selftest_dynamic.c

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trace_selftest.c

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trace_seq.c

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trace_stack.c

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trace_stat.c

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trace_stat.h

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trace_synth.h

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trace_syscalls.c

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trace_uprobe.c

bpf: Clear the probe_addr for uprobe

2023-09-19 12:20:07 +02:00

trace.c

tracing: Prevent bad count for tracing_cpumask_write

2025-01-09 13:25:04 +01:00

trace.h

tracing: Have trace_event_file have ref counters

2023-11-28 16:55:02 +00:00

tracing_map.c

tracing: Fix cmp_entries_dup() to respect sort() comparison rules

2024-12-14 19:48:22 +01:00

tracing_map.h

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