Eduardo Tongson wrote: >> su > Password: > syslog: Feb 16 09:40:56 su: user to root on /dev/ttyd0 > # ./coredumper > Segmentation fault (core dumped) > syslog: Feb 16 09:41:14 kernel: pid 728 (coredumper), uid 0: exited > on signal 11 (core dumped) > # md5 coredumper.core > MD5 (coredumper.core) = 68e3e5fee874e688c795537721a6b511 > # ls -la coredumper.core > -rw------- 1 user user 1003520 Feb 16 09:41 coredumper.core > # > > I was not able to test the below patch. Trivial enough to fix if broken. > > --- kern_sig.c 2008-02-14 13:41:12.000000000 +0800 > +++ kern_sig-20080216.c 2008-02-16 01:15:01.000000000 +0800 > @@ -2066,6 +2066,12 @@ coredump(struct lwp *lp, int sig) > goto out1; > } > > + /* Don't dump to files current user does not own */
Shouldn't we rather remove the file and recreate a new file (which then will be owned by root)? cheers simon
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