Alle 13:13, giovedì 2 dicembre 2004, Mads Martin Joergensen ha scritto: > Hey alltogether, > > With this .netrc: > > machine localhost > default login anonymous password joe@ > > I get this: > > $ wget ftp.kernel.org/pub/linux/kernel/v2.0/patch-2.0.1.gz > --13:03:13-- http://ftp.kernel.org/pub/linux/kernel/v2.0/patch-2.0.1.gz > => `patch-2.0.1.gz' > wget: xmalloc.c:186: xfree_real: Assertion `ptr != ((void *)0)' failed. > > I've gotten this backtrace: > > (gdb) bt > #0 0xffffe410 in ?? () > #1 0xbfffe94c in ?? () > #2 0x00000006 in ?? () > #3 0x00001cb4 in ?? () > #4 0x40186d41 in raise () from /lib/tls/libc.so.6 > #5 0x40188529 in abort () from /lib/tls/libc.so.6 > #6 0x40180573 in __assert_fail () from /lib/tls/libc.so.6 > #7 0x0806fa33 in xfree_real (ptr=0x0) at xmalloc.c:186 > #8 0x080645fa in maybe_add_to_list (newentry=0xbfffeb2c, list=0xbfffeb28) > at netrc.c:219 > #9 0x080649ce in parse_netrc (path=0xbfffeb60 "/suse/mmj/.netrc") at > netrc.c:401 #10 0x0806448b in search_netrc (host=0x8085f08 "kernel.org", > acc=0xbfffed0c, passwd=0xbfffed08, slack_default=1) at netrc.c:94 > #11 0x0804f8f2 in getftp (u=0x8086508, len=0xbfffeef8, restval=0, > con=0xbfffefb0) at ftp.c:264 > #12 0x08051f58 in ftp_loop_internal (u=0x8086508, f=0x0, con=0xbfffefb0) > at ftp.c:1229 > #13 0x080533d0 in ftp_loop (u=0x8086508, dt=0xbffff138, proxy=0x0) at > ftp.c:1891 #14 0x08068e59 in retrieve_url ( > origurl=0x8086488 > "ftp://kernel.org/pub/linux/kernel/v2.0/patch-2.0.1.gz";, file=0xbffff130, > newloc=0xbffff134, refurl=0x0, dt=0xbffff138) at retr.c:658 #15 0x0806403d > in main (argc=2, argv=0xbffff1f4) at main.c:915 > > So since these pointers apparantly _can_ be NULL, how about the > following patch: > > --- src/netrc.c > +++ src/netrc.c > @@ -215,9 +215,9 @@ > if (a && ! a->acc) > { > /* Free any allocated space. */ > - xfree (a->host); > - xfree (a->acc); > - xfree (a->passwd); > + xfree_null (a->host); > + xfree_null (a->acc); > + xfree_null (a->passwd); > } > else > {
hi mads martin, this bug is already fixed in the cvs sources. thank you very much for the report, anyway ;-) -- Aequam memento rebus in arduis servare mentem... Mauro Tortonesi University of Ferrara - Dept. of Eng. http://www.ing.unife.it Institute of Human & Machine Cognition http://www.ihmc.us Deep Space 6 - IPv6 for Linux http://www.deepspace6.net Ferrara Linux User Group http://www.ferrara.linux.it
