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authorTejun Heo2019-06-10 18:08:27 +0200
committerTejun Heo2019-06-10 18:08:27 +0200
commitc596687a008b579c503afb7a64fcacc7270fae9e (patch)
tree967bd09e70fafd8109e61004ac9e9fe217df1b8b /security
parentcgroup: css_task_iter_skip()'d iterators must be advanced before accessed (diff)
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cgroup: Fix css_task_iter_advance_css_set() cset skip condition
While adding handling for dying task group leaders c03cd7738a83 ("cgroup: Include dying leaders with live threads in PROCS iterations") added an inverted cset skip condition to css_task_iter_advance_css_set(). It should skip cset if it's completely empty but was incorrectly testing for the inverse condition for the dying_tasks list. Fix it. Signed-off-by: Tejun Heo <tj@kernel.org> Fixes: c03cd7738a83 ("cgroup: Include dying leaders with live threads in PROCS iterations") Reported-by: syzbot+d4bba5ccd4f9a2a68681@syzkaller.appspotmail.com
Diffstat (limited to 'security')
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