Hi Steve, Please pull this patch. Thanks. On 11/15/18 6:13 PM, Oleg Nesterov wrote: > On 11/15, Ravi Bangoria wrote: >> >> There could be a race between task exit and probe unregister: >> >> exit_mm() >> mmput() >> __mmput() uprobe_unregister() >> uprobe_clear_state() put_uprobe() >> delayed_uprobe_remove() delayed_uprobe_remove() >> >> put_uprobe() is calling delayed_uprobe_remove() without taking >> delayed_uprobe_lock and thus the race sometimes results in a >> kernel crash. Fix this by taking delayed_uprobe_lock before >> calling delayed_uprobe_remove() from put_uprobe(). >> >> Detailed crash log can be found at: >> https://lkml.org/lkml/2018/11/1/1244 > > Thanks, looks good, > > Oleg. >
