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| author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2022-04-12 22:36:14 +0200 |
|---|---|---|
| committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2022-04-12 22:36:28 +0200 |
| commit | 88ee4ae44bd64e869bca79d0a6c6e6d4577b7170 (patch) | |
| tree | 0b53f8b4e88b2b94859d432bba9b35dcffd2d24c /exec | |
| parent | 866371cd8b06f20989eff1c58dff71535b3a0fa7 (diff) | |
| download | hurd-88ee4ae44bd64e869bca79d0a6c6e6d4577b7170.tar.gz hurd-88ee4ae44bd64e869bca79d0a6c6e6d4577b7170.tar.bz2 hurd-88ee4ae44bd64e869bca79d0a6c6e6d4577b7170.zip | |
exec: Support ELIBEXEC error
So users get a "Cannot exec a shared library directly" error message instead
of a segfault.
Diffstat (limited to 'exec')
| -rw-r--r-- | exec/exec.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/exec/exec.c b/exec/exec.c index a50ea632..9827cbe8 100644 --- a/exec/exec.c +++ b/exec/exec.c @@ -556,6 +556,13 @@ check_elf (struct execdata *e) /* Extract all this information now, while EHDR is mapped. The `map' call below for the phdrs may reuse the mapping window. */ e->entry = ehdr->e_entry; +#ifdef ELIBEXEC + if (e->entry == 0) + { + e->error = ELIBEXEC; + return; + } +#endif e->info.elf.anywhere = (ehdr->e_type == ET_DYN || ehdr->e_type == ET_REL); e->info.elf.loadbase = 0; |