[PATCH v2 5/6] sysctl/infiniband: Fixes infiniband sysctl bounds
[email protected] Mon, 24 Feb 2025 10:58:20 +0100
Newsgroups
gmane.linux.scsi,gmane.linux.kernel,gmane.linux.drivers.rdma,gmane.comp.file-systems.coda.general,gmane.linux.nfs
Message-ID
<[email protected] >
From: Nicolas Bouchinet <[email protected] >
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 <[email protected] >
---
drivers/infiniband/core/iwcm.c | 4 +++-
drivers/infiniband/core/ucma.c | 4 +++-
2 files changed, 6 insertions(+), 2 deletions(-)
diff --git a/drivers/infiniband/core/iwcm.c b/drivers/infiniband/core/iwcm.c
index 7e3a55349e107..f4486cbd8f45a 100644
--- a/drivers/infiniband/core/iwcm.c
+++ b/drivers/infiniband/core/iwcm.c
@@ -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,
},
};
diff --git a/drivers/infiniband/core/ucma.c b/drivers/infiniband/core/ucma.c
index 02f1666f3cbab..6e700b9740331 100644
--- a/drivers/infiniband/core/ucma.c
+++ b/drivers/infiniband/core/ucma.c
@@ -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,
},
};
--
2.48.1