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RDMA/core: Fixes infiniband sysctl bounds

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Bound infiniband iwcm and ucma sysctl writings between SYSCTL_ZERO
and SYSCTL_INT_MAX.

The proc_handler has thus been updated to proc_dointvec_minmax.

Signed-off-by: Nicolas Bouchinet <nicolas.bouchinet@ssi.gouv.fr>
Link: https://patch.msgid.link/20250224095826.16458-6-nicolas.bouchinet@clip-os.org
Reviewed-by: Zhu Yanjun <yanjun.zhu@linux.dev>
Reviewed-by: Joel Granados <joel.granados@kernel.org>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
This commit is contained in:
Nicolas Bouchinet 2025-02-24 10:58:20 +01:00 committed by Leon Romanovsky
parent a1ecb30f90
commit f33cd9b3fd
2 changed files with 6 additions and 2 deletions
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4
drivers/infiniband/core/iwcm.c
View File

@ -109,7 +109,9 @@ static struct ctl_table iwcm_ctl_table[] = {
.data = &default_backlog,
.maxlen = sizeof(default_backlog),
.mode = 0644,
.proc_handler = proc_dointvec,
.proc_handler = proc_dointvec_minmax,
.extra1 = SYSCTL_ZERO,
.extra2 = SYSCTL_INT_MAX,
},
};

4
drivers/infiniband/core/ucma.c
View File

@ -69,7 +69,9 @@ static struct ctl_table ucma_ctl_table[] = {
.data = &max_backlog,
.maxlen = sizeof max_backlog,
.mode = 0644,
.proc_handler = proc_dointvec,
.proc_handler = proc_dointvec_minmax,
.extra1 = SYSCTL_ZERO,
.extra2 = SYSCTL_INT_MAX,
},
};