module: Clean up ro/nx after early module load failures

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    4982223e51 module: set nx before marking module MODULE_STATE_COMING.

introduced a regression: if a module fails to parse its arguments or
if mod_sysfs_setup fails, then the module's memory will be freed
while still read-only.  Anything that reuses that memory will crash
as soon as it tries to write to it.

Cc: stable@vger.kernel.org # v3.16
Cc: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Andy Lutomirski <luto@amacapital.net>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

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Andy Lutomirski 2014-08-16 04:13:37 +09:30 • committed by Rusty Russell

parent c9d26423e5

commit ff7e0055bb

1 changed files with 5 additions and 0 deletions

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kernel/module.c

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