Yi Yang cbc5d1f9a8 rethook: fix a potential memleak in rethook_alloc() ...

commit 0a1ebe35cb upstream.

In rethook_alloc(), the variable rh is not freed or passed out
if handler is NULL, which could lead to a memleak, fix it.

Link: https://lore.kernel.org/all/20221110104438.88099-1-yiyang13@huawei.com/
[Masami: Add "rethook:" tag to the title.]

Fixes: 54ecbe6f1e ("rethook: Add a generic return hook")
Cc: stable@vger.kernel.org
Signed-off-by: Yi Yang <yiyang13@huawei.com>
Acke-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2022-11-26 09:27:42 +01:00

..

rv

rv/reactor: add __init/__exit annotations to module init/exit funcs

2022-09-06 22:26:00 -04:00

blktrace.c

blktrace: Fix the blk_fill_rwbs() kernel-doc header

2022-07-15 13:10:04 -06:00

bpf_trace.c

bpf: Adjust kprobe_multi entry_ip for CONFIG_X86_KERNEL_IBT

2022-10-21 12:39:11 +02:00

bpf_trace.h

…

error_report-traces.c

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fgraph.c

Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

2022-06-03 14:05:34 -07:00

fprobe.c

fprobe: Check rethook_alloc() return in rethook initialization

2022-11-10 18:17:32 +01:00

ftrace_internal.h

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ftrace.c

ftrace: Fix null pointer dereference in ftrace_add_mod()

2022-11-26 09:27:40 +01:00

Kconfig

rv: Add Runtime Verification (RV) interface

2022-07-30 14:01:28 -04:00

kprobe_event_gen_test.c

tracing: kprobe: Fix potential null-ptr-deref on trace_array in kprobe_event_gen_test_exit()

2022-11-26 09:27:41 +01:00

Makefile

rv: Add Runtime Verification (RV) interface

2022-07-30 14:01:28 -04:00

pid_list.c

tracing: Cleanup double word in comment

2022-04-26 17:58:50 -04:00

pid_list.h

tracing: Create a sparse bitmask for pid filtering

2021-10-05 17:38:45 -04:00

power-traces.c

…

preemptirq_delay_test.c

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rethook.c

rethook: fix a potential memleak in rethook_alloc()

2022-11-26 09:27:42 +01:00

ring_buffer_benchmark.c

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ring_buffer.c

tracing/ring-buffer: Have polling block on watermark

2022-11-26 09:27:41 +01:00

rpm-traces.c

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synth_event_gen_test.c

tracing: Fix memory leak in test_gen_synth_cmd() and test_empty_synth_event()

2022-11-26 09:27:41 +01:00

trace_benchmark.c

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trace_benchmark.h

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trace_boot.c

tracing: Initialize integer variable to prevent garbage return value

2022-05-26 21:13:00 -04:00

trace_branch.c

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trace_clock.c

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trace_dynevent.c

tracing: Auto generate event name when creating a group of events

2022-07-24 19:11:17 -04:00

trace_dynevent.h

tracing: Add DYNAMIC flag for dynamic events

2021-08-18 18:10:32 -04:00

trace_entries.h

trace: Add timerlat tracer

2021-06-25 19:57:24 -04:00

trace_eprobe.c

tracing: Fix race where eprobes can be called before the event

2022-11-26 09:27:41 +01:00

trace_event_perf.c

tracing/perf: Fix double put of trace event when init fails

2022-08-21 15:56:07 -04:00

trace_events_filter_test.h

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trace_events_filter.c

tracing: Fix comments of create_filter()

2022-05-26 21:13:01 -04:00

trace_events_hist.c

tracing/histograms: Simplify create_hist_fields()

2022-07-12 17:35:11 -04:00

trace_events_inject.c

tracing: Support __rel_loc relative dynamic data location attribute

2021-12-06 15:37:21 -05:00

trace_events_synth.c

tracing: Fix wild-memory-access in register_synth_event()

2022-11-26 09:27:41 +01:00

trace_events_trigger.c

tracing: Fix to check event_mutex is held while accessing trigger list

2022-09-06 22:26:00 -04:00

trace_events_user.c

tracing/user_events: Fix syntax errors in comments

2022-07-12 17:35:11 -04:00

trace_events.c

tracing: Have filter accept "common_cpu" to be consistent

2022-08-21 15:56:08 -04:00

trace_export.c

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trace_functions_graph.c

tracing: in_irq() cleanup

2021-10-13 18:19:41 -04:00

trace_functions.c

ftrace: disable preemption when recursion locked

2021-10-27 11:21:49 -04:00

trace_hwlat.c

trace/hwlat: make use of the helper function kthread_run_on_cpu()

2022-01-15 16:30:24 +02:00

trace_irqsoff.c

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trace_kdb.c

kdb: Rename members of struct kdbtab_t

2021-07-27 17:05:06 +01:00

trace_kprobe_selftest.c

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trace_kprobe_selftest.h

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trace_kprobe.c

tracing: Move duplicate code of trace_kprobe/eprobe.c into header

2022-10-21 12:37:53 +02:00

trace_mmiotrace.c

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trace_nop.c

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trace_osnoise.c

tracing/osnoise: Fix possible recursive locking in stop_per_cpu_kthreads

2022-10-21 12:39:00 +02:00

trace_output.c

tracing: Remove usage of list iterator after the loop body

2022-04-27 17:19:30 -04:00

trace_output.h

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trace_preemptirq.c

tracing: hold caller_addr to hardirq_{enable,disable}_ip

2022-09-06 22:26:00 -04:00

trace_printk.c

tracing: Disable "other" permission bits in the tracefs files

2021-10-08 18:08:43 -04:00

trace_probe_kernel.h

tracing: Add "(fault)" name injection to kernel probes

2022-10-21 12:37:53 +02:00

trace_probe_tmpl.h

tracing/probes: Have process_fetch_insn() take a void * instead of pt_regs

2021-08-19 09:09:03 -04:00

trace_probe.c

tracing/probes: Have kprobes and uprobes use $COMM too

2022-08-21 15:56:08 -04:00

trace_probe.h

tracing/eprobe: Show syntax error logs in error_log file

2022-08-02 15:22:55 -04:00

trace_recursion_record.c

tracing: Use trace_create_file() to simplify creation of tracefs entries

2022-05-26 21:12:52 -04:00

trace_sched_switch.c

sched/tracing: Append prev_state to tp args instead

2022-05-12 00:37:11 +02:00

trace_sched_wakeup.c

sched/tracing: Append prev_state to tp args instead

2022-05-12 00:37:11 +02:00

trace_selftest_dynamic.c

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trace_selftest.c

tracing: Reset the function filter after completing trampoline/graph selftest

2022-05-25 16:57:37 -04:00

trace_seq.c

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trace_stack.c

tracing: Disable "other" permission bits in the tracefs files

2021-10-08 18:08:43 -04:00

trace_stat.c

tracing: Disable "other" permission bits in the tracefs files

2021-10-08 18:08:43 -04:00

trace_stat.h

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trace_synth.h

tracing: synth events: increase max fields count

2021-09-08 15:29:16 -04:00

trace_syscalls.c

tracing: Make tp_printk work on syscall tracepoints

2022-04-26 17:58:52 -04:00

trace_uprobe.c

Merge tag 'trace-v6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace

2022-08-05 09:41:12 -07:00

trace.c

tracing/ring-buffer: Have polling block on watermark

2022-11-26 09:27:41 +01:00

trace.h

rv: Add Runtime Verification (RV) interface

2022-07-30 14:01:28 -04:00

tracing_map.c

tracing: Fix tracing_map_sort_entries() kernel-doc comment

2022-04-26 17:58:51 -04:00

tracing_map.h

…