Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
Merge tag 'timers-urgent-2025-11-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer fix from Ingo Molnar:
"Fix a memory leak in the posix timer creation logic"
* tag 'timers-urgent-2025-11-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
posix-timers: Plug potential memory leak in do_timer_create()
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-6
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-6
kernel/time/posix-timers.c
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-6
kernel/time/posix-timers.c
···
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if (!kc->timer_create)
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return -EOPNOTSUPP;
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-
new_timer = alloc_posix_timer();
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if (unlikely(!new_timer))
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return -EAGAIN;
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spin_lock_init(&new_timer->it_lock);
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-
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/* Special case for CRIU to restore timers with a given timer ID. */
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if (unlikely(current->signal->timer_create_restore_ids)) {
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if (copy_from_user(&req_id, created_timer_id, sizeof(req_id)))
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if ((unsigned int)req_id > INT_MAX)
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return -EINVAL;
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}
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+
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new_timer = alloc_posix_timer();
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if (unlikely(!new_timer))
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return -EAGAIN;
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+
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spin_lock_init(&new_timer->it_lock);
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/*
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* Add the timer to the hash table. The timer is not yet valid