Author: pfg Date: Mon Dec 26 16:43:39 2016 New Revision: 310606 URL: https://svnweb.freebsd.org/changeset/base/310606
Log: MFC r310367: pax(1): Fix a bug with archives smaller than 512 bytes. The problem here is that the archive is too short (< 512 bytes). The buffer routines, try to read at least 512 bytes, even when we try to determine what format file we have, which is wrong. Obtained from: NetBSD (CVS rev 1.26) Modified: stable/10/bin/pax/buf_subs.c Directory Properties: stable/10/ (props changed) Modified: stable/10/bin/pax/buf_subs.c ============================================================================== --- stable/10/bin/pax/buf_subs.c Mon Dec 26 16:42:38 2016 (r310605) +++ stable/10/bin/pax/buf_subs.c Mon Dec 26 16:43:39 2016 (r310606) @@ -852,10 +852,13 @@ buf_fill(void) /* * errors require resync, EOF goes to next archive + * but in case we have not determined yet the format, + * this means that we have a very short file, so we + * are done again. */ if (cnt < 0) break; - if (ar_next() < 0) { + if (frmt == NULL || ar_next() < 0) { fini = 1; return(0); } _______________________________________________ svn-src-stable-10@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-stable-10 To unsubscribe, send any mail to "svn-src-stable-10-unsubscr...@freebsd.org"