diff options
| author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2018-04-22 01:55:38 +0200 |
|---|---|---|
| committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2018-04-22 01:55:38 +0200 |
| commit | 3130514bd99bdc4cf8a51e24be2d8bf6f1e47f62 (patch) | |
| tree | 64665226043d32938c50519682d379eb478b7846 | |
| parent | 45e1c359c23b3fb1ba419aac9fb7450d0cdbcd72 (diff) | |
exec: Leave room for mmaps etc. before PIE binaries
otherwise there might not even be enough room to run RPCs during rtld
bootstrap.
* exec/exec.c (do_exec): Add 128MiB to anywhere_start before loading
program.
| -rw-r--r-- | exec/exec.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/exec/exec.c b/exec/exec.c index ccf7bb36..3b4978d2 100644 --- a/exec/exec.c +++ b/exec/exec.c @@ -1285,6 +1285,9 @@ do_exec (file_t file, } + /* Leave room for mmaps etc. before PIE binaries. + * Could add address randomization here. */ + anywhere_start += 128 << 20; /* Load the file into the task. */ anywhere_start = load (newtask, &e, anywhere_start); if (e.error) |