Messages in this thread Patch in this message | | | Date | Sun, 10 Jun 2007 21:53:33 +0200 | From | Folkert van Heusden <> | Subject | Re: signals logged / [RFC] log out-of-virtual-memory events |
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> > >> >+ { > > >> if (sig_fatal(t, sig)) { > > >> >+ printk(KERN_WARNING "Sig %d send to %d owned by %d.%d > > >(%s)\n", > > >> s/send/sent/; > > >> >+ sig, t -> pid, t -> uid, t -> gid, t -> comm); > > >> t->pid, t->uid, t->gid, t->comm); > > > > > > > Gargh ... why does this want to be in the *kernel*'s logs? In any case, can > > you please make this KERN_INFO (or lower) instead of KERN_WARNING. > Description: > This patch adds code to the signal-sender making it log a message when > an unhandled fatal signal will be delivered.
New version. This one also informs the user about the sende pid/uid of the signal (when applicable).
Signed-of by: Folkert van Heusden <folkert@vanheusden.com
--- linux/kernel/signal.c.org 2007-05-20 22:47:13.000000000 +0200 +++ linux/kernel/signal.c 2007-06-10 00:21:31.000000000 +0200 @@ -739,6 +739,18 @@ struct sigqueue * q = NULL; int ret = 0; + /* unhandled fatal signals are logged */ + if (sig_fatal(t, sig)) { + if (is_si_special(info)) + printk(KERN_INFO "Sig %d sent to %d owned by %d.%d (%s)\n", + sig, t->pid, t->uid, t->gid, t->comm); + else + printk(KERN_INFO "Sig %d sent to %d owned by %d.%d (%s), sent by pid %d, uid %d\n", + sig, t->pid, t->uid, t->gid, t->comm, + info -> _sifields._kill._pid, + info -> _sifields._kill._uid); + } + /* * fast-pathed signals for kernel-internal things like SIGSTOP * or SIGKILL.
Folkert van Heusden
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