Merge the rest of Andrew's patches for -rc1:
"A bunch of fixes and misc missed-out-on things.
That'll do for -rc1. I still have a batch of IPC patches which still
have a possible bug report which I'm chasing down."
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (25 commits)
keys: use keyring_alloc() to create module signing keyring
keys: fix unreachable code
sendfile: allows bypassing of notifier events
SGI-XP: handle non-fatal traps
fat: fix incorrect function comment
Documentation: ABI: remove testing/sysfs-devices-node
proc: fix inconsistent lock state
linux/kernel.h: fix DIV_ROUND_CLOSEST with unsigned divisors
memcg: don't register hotcpu notifier from ->css_alloc()
checkpatch: warn on uapi #includes that #include <uapi/...
revert "rtc: recycle id when unloading a rtc driver"
mm: clean up transparent hugepage sysfs error messages
hfsplus: add error message for the case of failure of sync fs in delayed_sync_fs() method
hfsplus: rework processing of hfs_btree_write() returned error
hfsplus: rework processing errors in hfsplus_free_extents()
hfsplus: avoid crash on failed block map free
kcmp: include linux/ptrace.h
drivers/rtc/rtc-imxdi.c: must include <linux/spinlock.h>
mm: cma: WARN if freed memory is still in use
exec: do not leave bprm->interp on stack
...
mutex_unlock(¤t->signal->cred_guard_mutex);
abort_creds(bprm->cred);
}
+ /* If a binfmt changed the interp, free it. */
+ if (bprm->interp != bprm->filename)
+ kfree(bprm->interp);
kfree(bprm);
}
+ int bprm_change_interp(char *interp, struct linux_binprm *bprm)
+ {
+ /* If a binfmt changed the interp, free it first. */
+ if (bprm->interp != bprm->filename)
+ kfree(bprm->interp);
+ bprm->interp = kstrdup(interp, GFP_KERNEL);
+ if (!bprm->interp)
+ return -ENOMEM;
+ return 0;
+ }
+ EXPORT_SYMBOL(bprm_change_interp);
+
/*
* install the new credentials for this executable
*/
return __get_dumpable(mm->flags);
}
-#ifdef __ARCH_WANT_SYS_EXECVE
SYSCALL_DEFINE3(execve,
const char __user *, filename,
const char __user *const __user *, argv,
return error;
}
#endif
-#endif
-
-#ifdef __ARCH_WANT_KERNEL_EXECVE
-int kernel_execve(const char *filename,
- const char *const argv[],
- const char *const envp[])
-{
- int ret = do_execve(filename,
- (const char __user *const __user *)argv,
- (const char __user *const __user *)envp);
- if (ret < 0)
- return ret;
-
- /*
- * We were successful. We won't be returning to our caller, but
- * instead to user space by manipulating the kernel stack.
- */
- ret_from_kernel_execve(current_pt_regs());
-}
-#endif
if (error)
return error;
- if ((iattr->ia_valid & ATTR_SIZE) &&
- iattr->ia_size != i_size_read(inode)) {
- error = vmtruncate(inode, iattr->ia_size);
- if (error)
- return error;
- }
-
setattr_copy(inode, iattr);
mark_inode_dirty(inode);
-
+
de->uid = inode->i_uid;
de->gid = inode->i_gid;
de->mode = inode->i_mode;
if (!ida_pre_get(&proc_inum_ida, GFP_KERNEL))
return -ENOMEM;
- spin_lock(&proc_inum_lock);
+ spin_lock_bh(&proc_inum_lock);
error = ida_get_new(&proc_inum_ida, &i);
- spin_unlock(&proc_inum_lock);
+ spin_unlock_bh(&proc_inum_lock);
if (error == -EAGAIN)
goto retry;
else if (error)
return error;
if (i > UINT_MAX - PROC_DYNAMIC_FIRST) {
- spin_lock(&proc_inum_lock);
+ spin_lock_bh(&proc_inum_lock);
ida_remove(&proc_inum_ida, i);
- spin_unlock(&proc_inum_lock);
+ spin_unlock_bh(&proc_inum_lock);
return -ENOSPC;
}
*inum = PROC_DYNAMIC_FIRST + i;
void proc_free_inum(unsigned int inum)
{
- spin_lock(&proc_inum_lock);
+ spin_lock_bh(&proc_inum_lock);
ida_remove(&proc_inum_ida, inum - PROC_DYNAMIC_FIRST);
- spin_unlock(&proc_inum_lock);
+ spin_unlock_bh(&proc_inum_lock);
}
static void *proc_follow_link(struct dentry *dentry, struct nameidata *nd)
unsigned long stack_top,
int executable_stack);
extern int bprm_mm_init(struct linux_binprm *bprm);
+ extern int bprm_change_interp(char *interp, struct linux_binprm *bprm);
extern int copy_strings_kernel(int argc, const char *const *argv,
struct linux_binprm *bprm);
extern int prepare_bprm_creds(struct linux_binprm *bprm);
extern void set_binfmt(struct linux_binfmt *new);
extern void free_bprm(struct linux_binprm *);
-#ifdef __ARCH_WANT_KERNEL_EXECVE
-extern void ret_from_kernel_execve(struct pt_regs *normal) __noreturn;
-#endif
-
#endif /* _LINUX_BINFMTS_H */
projects / karo-tx-linux.git / commitdiff