Yang Jihong 52c0622e53 tracing: Fix infinite loop in tracing_read_pipe on overflowed print_trace_line ...

commit c1ac03af6e upstream.

print_trace_line may overflow seq_file buffer. If the event is not
consumed, the while loop keeps peeking this event, causing a infinite loop.

Link: https://lkml.kernel.org/r/20221129113009.182425-1-yangjihong1@huawei.com

Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: stable@vger.kernel.org
Fixes: 088b1e427d ("ftrace: pipe fixes")
Signed-off-by: Yang Jihong <yangjihong1@huawei.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2023-01-14 10:16:33 +01:00

..

bpf

bpf: Prevent decl_tag from being referenced in func_proto arg

2023-01-14 10:16:18 +01:00

cgroup

memcg: fix possible use-after-free in memcg_write_event_control()

2022-12-14 11:31:57 +01:00

configs

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debug

lockdown: also lock down previous kgdb use

2022-05-30 09:33:22 +02:00

dma

swiotlb: max mapping size takes min align mask into account

2022-10-05 10:38:40 +02:00

entry

entry/kvm: Exit to user mode when TIF_NOTIFY_SIGNAL is set

2023-01-04 11:39:22 +01:00

events

perf/core: Call LSM hook after copying perf_event_attr

2023-01-14 10:16:33 +01:00

futex

futex: Resend potentially swallowed owner death notification

2023-01-14 10:15:20 +01:00

gcov

gcov: add support for checksum field

2023-01-14 10:16:24 +01:00

irq

genirq: Add IRQF_NO_AUTOEN for request_irq/nmi()

2023-01-14 10:15:58 +01:00

kcsan

kcsan: Instrument memcpy/memset/memmove with newer Clang

2023-01-14 10:16:28 +01:00

livepatch

livepatch: fix race between fork and KLP transition

2022-10-26 13:25:14 +02:00

locking

locking/lockdep: Fix lockdep_init_map_*() confusion

2022-08-21 15:15:33 +02:00

power

PM: hibernate: Fix mistake in kerneldoc comment

2023-01-14 10:15:15 +01:00

printk

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rcu

rcu: Prevent lockdep-RCU splats on lock acquisition/release

2023-01-14 10:16:29 +01:00

sched

sched/uclamp: Fix relationship between uclamp and migration margin

2023-01-14 10:15:15 +01:00

time

timekeeping: contribute wall clock to rng on time change

2022-08-21 15:16:20 +02:00

trace

tracing: Fix infinite loop in tracing_read_pipe on overflowed print_trace_line

2023-01-14 10:16:33 +01:00

.gitignore

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acct.c

acct: fix potential integer overflow in encode_comp_t()

2023-01-14 10:16:14 +01:00

async.c

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audit_fsnotify.c

audit: fix potential double free on error path from fsnotify_add_inode_mark

2022-08-31 17:15:13 +02:00

audit_tree.c

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audit_watch.c

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audit.c

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audit.h

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auditfilter.c

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auditsc.c

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backtracetest.c

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bounds.c

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capability.c

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compat.c

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configs.c

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context_tracking.c

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cpu_pm.c

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cpu.c

cpu/hotplug: Make target_store() a nop when target == state

2023-01-14 10:15:20 +01:00

crash_core.c

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crash_dump.c

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cred.c

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delayacct.c

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dma.c

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exec_domain.c

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exit.c

io_uring: import 5.15-stable io_uring

2023-01-04 11:39:23 +01:00

extable.c

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fail_function.c

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fork.c

io_uring: import 5.15-stable io_uring

2023-01-04 11:39:23 +01:00

freezer.c

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gen_kheaders.sh

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groups.c

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hung_task.c

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iomem.c

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irq_work.c

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jump_label.c

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kallsyms.c

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kcmp.c

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Kconfig.freezer

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Kconfig.hz

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Kconfig.locks

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Kconfig.preempt

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kcov.c

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kexec_core.c

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kexec_elf.c

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kexec_file.c

ima: force signature verification when CONFIG_KEXEC_SIG is configured

2022-07-21 21:20:11 +02:00

kexec_internal.h

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kexec.c

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kheaders.c

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kmod.c

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kprobes.c

kprobes: Skip clearing aggrprobe's post_handler in kprobe-on-ftrace case

2022-11-25 17:45:55 +01:00

ksysfs.c

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kthread.c

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latencytop.c

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Makefile

futex: Move to kernel/futex/

2023-01-14 10:15:20 +01:00

module_signature.c

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module_signing.c

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module-internal.h

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module.c

module: check for exit sections in layout_sections() instead of module_init_section()

2022-05-25 09:18:02 +02:00

notifier.c

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nsproxy.c

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padata.c

padata: Fix list iterator in padata_do_serial()

2023-01-14 10:15:51 +01:00

panic.c

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params.c

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pid_namespace.c

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pid.c

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profile.c

profiling: fix shift too large makes kernel panic

2022-08-21 15:16:05 +02:00

ptrace.c

ptrace: Reimplement PTRACE_KILL by always sending SIGKILL

2022-06-09 10:20:49 +02:00

range.c

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reboot.c

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regset.c

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relay.c

relay: fix type mismatch when allocating memory in relay_create_buf()

2023-01-14 10:15:22 +01:00

resource.c

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rseq.c

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scftorture.c

scftorture: Fix distribution of short handler delays

2022-06-09 10:21:01 +02:00

scs.c

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seccomp.c

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signal.c

task_work: unconditionally run task_work from get_signal()

2023-01-04 11:39:23 +01:00

smp.c

smp: Fix offline cpu check in flush_smp_call_function_queue()

2022-04-20 09:23:29 +02:00

smpboot.c

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smpboot.h

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softirq.c

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stackleak.c

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stacktrace.c

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static_call.c

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stop_machine.c

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sys_ni.c

kernel/sys_ni: add compat entry for fadvise64_64

2022-08-31 17:15:13 +02:00

sys.c

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sysctl-test.c

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sysctl.c

proc: proc_skip_spaces() shouldn't think it is working on C strings

2022-12-08 11:24:00 +01:00

task_work.c

task_work: add helper for more targeted task_work canceling

2023-01-04 11:39:23 +01:00

taskstats.c

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test_kprobes.c

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torture.c

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tracepoint.c

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tsacct.c

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ucount.c

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uid16.c

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uid16.h

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umh.c

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up.c

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user_namespace.c

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user-return-notifier.c

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user.c

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usermode_driver.c

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utsname_sysctl.c

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utsname.c

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watch_queue.c

watch_queue: Fix missing locking in add_watch_to_object()

2022-08-03 12:00:44 +02:00

watchdog_hld.c

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watchdog.c

watchdog: export lockup_detector_reconfigure

2022-08-25 11:38:20 +02:00

workqueue_internal.h

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workqueue.c

workqueue: don't skip lockdep work dependency in cancel_work_sync()

2022-09-28 11:10:40 +02:00