This is an automated email from the git hooks/post-receive script. guillem pushed a commit to branch main in repository dpkg.
View the commit online: https://git.dpkg.org/cgit/dpkg/dpkg.git/commit/?id=6f494470644fbedac6242de053af27d520d9928a commit 6f494470644fbedac6242de053af27d520d9928a Author: Guillem Jover <[email protected]> AuthorDate: Fri Mar 7 12:02:43 2025 +0100 libdpkg: Do not crash on missing sysuser or sysgroup system database files The check for a NULL out of the file open was lost during a last minute refactoring. This causes dpkg to crash when the system does not have yet a sysuser (by default /etc/passwd) or sysgroup (by default /etc/group) database files on disk yet. Fixes: commit 850bef3ef2817227ecea47370ee124f9f3bfcf82 Reported-by: Marc Haber <[email protected]> --- lib/dpkg/sysuser.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/lib/dpkg/sysuser.c b/lib/dpkg/sysuser.c index e7b4030d5..18f54810e 100644 --- a/lib/dpkg/sysuser.c +++ b/lib/dpkg/sysuser.c @@ -105,6 +105,8 @@ dpkg_sysuser_find(dpkg_sysuser_match_func *matcher, const void *match) struct passwd *pw; fp = dpkg_sysdb_open("DPKG_PATH_PASSWD", DPKG_PATH_PASSWD); + if (fp == NULL) + return NULL; while ((pw = fgetpwent(fp))) if (matcher(pw, match)) break; @@ -187,6 +189,8 @@ dpkg_sysgroup_find(dpkg_sysgroup_match_func *matcher, const void *match) struct group *gr; fp = dpkg_sysdb_open("DPKG_PATH_GROUP", DPKG_PATH_GROUP); + if (fp == NULL) + return NULL; while ((gr = fgetgrent(fp))) if (matcher(gr, match)) break; -- Dpkg.Org's dpkg
