Date: Tue, 9 Feb 2021 08:37:06 GMT From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org Subject: git: 560c98ccc897 - stable/12 - rtld: Fix null-pointer dereference Message-ID: <202102090837.1198b6sa014150@gitrepo.freebsd.org>
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The branch stable/12 has been updated by kib: URL: https://cgit.FreeBSD.org/src/commit/?id=560c98ccc8978c6e6426a6ca6d50a88193ccc600 commit 560c98ccc8978c6e6426a6ca6d50a88193ccc600 Author: David Chisnall <theraven@FreeBSD.org> AuthorDate: 2021-02-02 14:06:33 +0000 Commit: Konstantin Belousov <kib@FreeBSD.org> CommitDate: 2021-02-09 08:36:31 +0000 rtld: Fix null-pointer dereference (cherry picked from commit 43d44842aef3972cc86ce673e84e31f372257b15) --- libexec/rtld-elf/rtld.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/libexec/rtld-elf/rtld.c b/libexec/rtld-elf/rtld.c index 73177fc0c931..791b50e3cd0e 100644 --- a/libexec/rtld-elf/rtld.c +++ b/libexec/rtld-elf/rtld.c @@ -877,8 +877,10 @@ _rtld_bind(Obj_Entry *obj, Elf_Size reloff) target = (Elf_Addr)(defobj->relocbase + def->st_value); dbg("\"%s\" in \"%s\" ==> %p in \"%s\"", - defobj->strtab + def->st_name, basename(obj->path), - (void *)target, basename(defobj->path)); + defobj->strtab + def->st_name, + obj->path == NULL ? NULL : basename(obj->path), + (void *)target, + defobj->path == NULL ? NULL : basename(defobj->path)); /* * Write the new contents for the jmpslot. Note that depending on
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