• Oleg Nesterov's avatar
    tracing: Fix null pointer deref with SEND_SIG_FORCED · b9b76dfa
    Oleg Nesterov authored
    
    
    BUG: unable to handle kernel NULL pointer dereference at
    	0000000000000006
    IP: [<ffffffff8107bd37>] ftrace_raw_event_signal_generate+0x87/0x140
    
    TP_STORE_SIGINFO() forgets about SEND_SIG_FORCED, fix.
    
    We should probably export is_si_special() and change TP_STORE_SIGINFO()
    to use it in the longer term.
    Signed-off-by: default avatarOleg Nesterov <oleg@redhat.com>
    Acked-by: default avatarRoland McGrath <roland@redhat.com>
    Cc: Steven Rostedt <rostedt@goodmis.org>
    Cc: Andrew Morton <akpm@linux-foundation.org>
    Cc: Jason Baron <jbaron@redhat.com>
    Cc: Masami Hiramatsu <mhiramat@redhat.com>
    Cc: 2.6.33.x-2.6.34.x <stable@kernel.org>
    LKML-Reference: <20100603213409.GA8307@redhat.com>
    Signed-off-by: default avatarFrederic Weisbecker <fweisbec@gmail.com>
    b9b76dfa
signal.h 4.46 KB