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Assigner | Linux |
Reserved | 2024-07-29 |
Published | 2024-07-29 |
Updated | 2024-09-11 |
In the Linux kernel, the following vulnerability has been resolved: pinctrl: fix deadlock in create_pinctrl() when handling -EPROBE_DEFER In create_pinctrl(), pinctrl_maps_mutex is acquired before calling add_setting(). If add_setting() returns -EPROBE_DEFER, create_pinctrl() calls pinctrl_free(). However, pinctrl_free() attempts to acquire pinctrl_maps_mutex, which is already held by create_pinctrl(), leading to a potential deadlock. This patch resolves the issue by releasing pinctrl_maps_mutex before calling pinctrl_free(), preventing the deadlock. This bug was discovered and resolved using Coverity Static Analysis Security Testing (SAST) by Synopsys, Inc.
https://git.kernel.org/stable/c/e65a0dc2e85efb28e182aca50218e8a056d0ce04
https://git.kernel.org/stable/c/420ce1261907e5dbeda1e4daffd5b6c76f8188c0
https://git.kernel.org/stable/c/b813e3fd102a959c5b208ed68afe27e0137a561b
https://git.kernel.org/stable/c/01fe2f885f7813f8aed5d3704b384a97b1116a9e
https://git.kernel.org/stable/c/b36efd2e3e22a329444b6b24fa48df6d20ae66e6
https://git.kernel.org/stable/c/4038c57bf61631219b31f1bd6e92106ec7f084dc
https://git.kernel.org/stable/c/48a7a7c9571c3e62f17012dd7f2063e926179ddd
https://git.kernel.org/stable/c/adec57ff8e66aee632f3dd1f93787c13d112b7a1