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Commit e50fdd28 authored by John Dias's avatar John Dias Committed by Pat Tjin
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perf: don't leave group_entry on sibling list (use-after-free)


When perf_group_detach is called on a group leader,
it should empty its sibling list. Otherwise, when
a sibling is later deallocated, list_del_event()
removes the sibling's group_entry from its current
list, which can be the now-deallocated group leader's
sibling list (use-after-free bug).

Bug: 32402548
Change-Id: I99f6bc97c8518df1cb0035814368012ba72ab1f1
Signed-off-by: default avatarJohn Dias <joaodias@google.com>
parent 7d0e5a52
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