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(parent: 192b722) | patch
padata: Convert from atomic_t to refcount_t on parallel_data->refcnt
authorXiyu Yang <xiyuyang19@fudan.edu.cn>
Tue, 20 Jul 2021 15:05:11 +0000 (11:05 -0400)
committerHerbert Xu <herbert@gondor.apana.org.au>
Fri, 30 Jul 2021 02:58:36 +0000 (10:58 +0800)
commitd5ee8e750c9449e9849a09ce6fb6b8adeaa66adc
tree6df905f46fef4e34073c1dc2c6ac9407de3ded3atree | snapshot
parent192b722f3866d3fb45b9e6a6ecd02ff09f2aefbecommit | diff
padata: Convert from atomic_t to refcount_t on parallel_data->refcnt

refcount_t type and corresponding API can protect refcounters from
accidental underflow and overflow and further use-after-free situations.

Signed-off-by: Xiyu Yang <xiyuyang19@fudan.edu.cn>
Signed-off-by: Xin Tan <tanxin.ctf@gmail.com>
Acked-by: Daniel Jordan <daniel.m.jordan@oracle.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
include/linux/padata.h diff | blob | history
kernel/padata.c diff | blob | history
Domain: System / Kernel;