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module: Use RCU in module_get_kallsym().
authorSebastian Andrzej Siewior <bigeasy@linutronix.de>
Wed, 8 Jan 2025 09:04:34 +0000 (10:04 +0100)
committerPetr Pavlu <petr.pavlu@suse.com>
Mon, 10 Mar 2025 10:54:44 +0000 (11:54 +0100)
commitc4fadf38ded553edd6ea78ec6cc819e8fdd6f9d3
tree7a6709a6eece44daa1b504a7dbfb1e8e7af30a5etree
parentf01369239293e4900af7be673e0fd26fe54f85e1commit | diff
module: Use RCU in module_get_kallsym().

The modules list and module::kallsyms can be accessed under RCU
assumption.

Iterate the modules with RCU protection, use rcu_dereference() to access
the kallsyms pointer.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lore.kernel.org/r/20250108090457.512198-6-bigeasy@linutronix.de
Signed-off-by: Petr Pavlu <petr.pavlu@suse.com>
kernel/module/kallsyms.c diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git