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iscsi-target: return -EINVAL on oversized configfs parameter

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The iSCSI CHAP auth parameters are already copied with respect for
the destination buffer size.  Return -EINVAL instead of silently
truncating the input.

Signed-off-by: Eric Seppanen <[email protected]>
Signed-off-by: Nicholas Bellinger <[email protected]>
This commit is contained in:
Eric Seppanen 2013-11-21 14:49:56 -08:00 • committed by Nicholas Bellinger
commit 2306bfb208
1 changed files with 2 additions and 1 deletions
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3
drivers/target/iscsi/iscsi_target_configfs.c
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@ -474,7 +474,8 @@ static ssize_t __iscsi_##prefix##_store_##name( \
\
if (!capable(CAP_SYS_ADMIN)) \
return -EPERM; \
\
if (count >= sizeof(auth->name)) \
return -EINVAL; \
snprintf(auth->name, sizeof(auth->name), "%s", page); \
if (!strncmp("NULL", auth->name, 4)) \
auth->naf_flags &= ~flags; \