Lizhi Xu 03041e474a tracing: Prevent bad count for tracing_cpumask_write ...

commit 98feccbf32cfdde8c722bc4587aaa60ee5ac33f0 upstream.

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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2025-01-02 10:32:09 +01:00

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bpf

bpf: sync_linked_regs() must preserve subreg_def

2024-12-19 18:11:35 +01:00

cgroup

cgroup/bpf: only cgroup v2 can be attached by bpf programs

2024-12-09 10:31:54 +01:00

configs

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debug

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dma

dma-debug: fix a possible deadlock on radix_lock

2024-12-14 20:00:06 +01:00

entry

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events

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futex

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gcov

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irq

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kcsan

kcsan: Turn report_filterlist_lock into a raw_spinlock

2024-12-14 19:59:59 +01:00

livepatch

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locking

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module

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power

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printk

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rcu

rcuscale: Do a proper cleanup if kfree_scale_init() fails

2024-12-09 10:31:50 +01:00

sched

sched/deadline: Fix warning in migrate_enable for boosted tasks

2024-12-14 20:00:20 +01:00

time

ntp: Remove invalid cast in time offset math

2024-12-14 19:59:44 +01:00

trace

tracing: Prevent bad count for tracing_cpumask_write

2025-01-02 10:32:09 +01:00

.gitignore

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acct.c

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async.c

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audit_fsnotify.c

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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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cfi.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

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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

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extable.c

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fail_function.c

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fork.c

posix-cpu-timers: Clear TICK_DEP_BIT_POSIX_TIMER on clone

2024-11-14 13:19:37 +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_internal.h

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kallsyms_selftest.c

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kallsyms_selftest.h

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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.kexec

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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

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kexec_internal.h

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kexec.c

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kheaders.c

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kprobes.c

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ksyms_common.c

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ksysfs.c

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kthread.c

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latencytop.c

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Makefile

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module_signature.c

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notifier.c

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nsproxy.c

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numa.c

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padata.c

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panic.c

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params.c

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pid_namespace.c

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pid_sysctl.h

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pid.c

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profile.c

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ptrace.c

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range.c

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reboot.c

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regset.c

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relay.c

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resource_kunit.c

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resource.c

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rseq.c

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scftorture.c

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scs.c

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seccomp.c

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signal.c

posix-timers: Target group sigqueue to current task only if not exiting

2024-12-09 10:33:11 +01:00

smp.c

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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_inline.c

x86/static-call: provide a way to do very early static-call updates

2024-12-19 18:11:36 +01:00

static_call.c

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stop_machine.c

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sys_ni.c

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sys.c

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sysctl-test.c

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sysctl.c

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task_work.c

task_work: make TWA_NMI_CURRENT handling conditional on IRQ_WORK

2024-11-01 01:58:34 +01:00

taskstats.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

ucounts: fix counter leak in inc_rlimit_get_ucounts()

2024-11-14 13:19:40 +01:00

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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vhost_task.c

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watch_queue.c

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watchdog_buddy.c

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watchdog_perf.c

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watchdog.c

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workqueue_internal.h

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workqueue.c

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