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Nasty potential bug if someone uses a known module param with an invalid 

value (we don't fail unknown module params any more, just warn).
 
 Cheers,
 Rusty.
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Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux

Pull module fix from Rusty Russell:
 "Nasty potential bug if someone uses a known module param with an
  invalid value (we don't fail unknown module params any more, just
  warn)"

* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux:
  module: Clean up ro/nx after early module load failures
wifi-calibration
Linus Torvalds 2014-08-16 09:24:41 -06:00
parent 90c8096914 ff7e0055bb
commit 6fedb0ff32
1 changed files with 5 additions and 0 deletions
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5
kernel/module.c
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@ -3304,6 +3304,11 @@ static int load_module(struct load_info *info, const char __user *uargs,
mutex_lock(&module_mutex);
module_bug_cleanup(mod);
mutex_unlock(&module_mutex);
/* we can't deallocate the module until we clear memory protection */
unset_module_init_ro_nx(mod);
unset_module_core_ro_nx(mod);
ddebug_cleanup:
dynamic_debug_remove(info->debug);
synchronize_sched();