diff options
Diffstat (limited to 'fs/exec.c')
| -rw-r--r-- | fs/exec.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/fs/exec.c b/fs/exec.c index ba400aafd640..e861a4b7ffda 100644 --- a/fs/exec.c +++ b/fs/exec.c @@ -604,7 +604,7 @@ int setup_arg_pages(struct linux_binprm *bprm, struct mm_struct *mm = current->mm; struct vm_area_struct *vma = bprm->vma; struct vm_area_struct *prev = NULL; - unsigned long vm_flags; + vm_flags_t vm_flags; unsigned long stack_base; unsigned long stack_size; unsigned long stack_expand; @@ -1515,7 +1515,7 @@ static void check_unsafe_exec(struct linux_binprm *bprm) * state is protected by cred_guard_mutex we hold. */ n_fs = 1; - spin_lock(&p->fs->lock); + read_seqlock_excl(&p->fs->seq); rcu_read_lock(); for_other_threads(p, t) { if (t->fs == p->fs) @@ -1528,7 +1528,7 @@ static void check_unsafe_exec(struct linux_binprm *bprm) bprm->unsafe |= LSM_UNSAFE_SHARE; else p->fs->in_exec = 1; - spin_unlock(&p->fs->lock); + read_sequnlock_excl(&p->fs->seq); } static void bprm_fill_uid(struct linux_binprm *bprm, struct file *file) @@ -2048,7 +2048,7 @@ static int proc_dointvec_minmax_coredump(const struct ctl_table *table, int writ { int error = proc_dointvec_minmax(table, write, buffer, lenp, ppos); - if (!error) + if (!error && !write) validate_coredump_safety(); return error; } |