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authorDan Carpenter <dan.carpenter@oracle.com>2015-02-24 16:34:01 +0100
committerJ. Bruce Fields <bfields@redhat.com>2015-02-26 21:40:16 +0100
commit76cb4be993c03bf9ec65a58b13f12c679bb041e4 (patch)
tree03b3d028748f40de41ec8a71a83524e77f758a9d /fs/eventfd.c
parentnfsd: fix clp->cl_revoked list deletion causing softlock in nfsd (diff)
downloadlinux-76cb4be993c03bf9ec65a58b13f12c679bb041e4.tar.xz
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sunrpc: integer underflow in rsc_parse()
If we call groups_alloc() with invalid values then it's might lead to memory corruption. For example, with a negative value then we might not allocate enough for sizeof(struct group_info). (We're doing this in the caller for consistency with other callers of groups_alloc(). The other alternative might be to move the check out of all the callers into groups_alloc().) Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by: Simo Sorce <simo@redhat.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'fs/eventfd.c')
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