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authorRichard Guy Briggs <rgb@redhat.com>2016-12-13 10:03:01 -0500
committerPaul Moore <paul@paul-moore.com>2016-12-14 13:06:04 -0500
commit533c7b69c764ad5febb3e716899f43a75564fcab (patch)
treee66c8e368e3450f872cb5bb6f28a4deaac1a4985 /net/ncsi/ncsi-manage.c
parentfba143c66abb81307a450679f38ab953fe96a413 (diff)
audit: use proper refcount locking on audit_sock
Resetting audit_sock appears to be racy. audit_sock was being copied and dereferenced without using a refcount on the source sock. Bump the refcount on the underlying sock when we store a refrence in audit_sock and release it when we reset audit_sock. audit_sock modification needs the audit_cmd_mutex. See: https://lkml.org/lkml/2016/11/26/232 Thanks to Eric Dumazet <edumazet@google.com> and Cong Wang <xiyou.wangcong@gmail.com> on ideas how to fix it. Signed-off-by: Richard Guy Briggs <rgb@redhat.com> Reviewed-by: Cong Wang <xiyou.wangcong@gmail.com> [PM: fixed the comment block text formatting for auditd_reset()] Signed-off-by: Paul Moore <paul@paul-moore.com>
Diffstat (limited to 'net/ncsi/ncsi-manage.c')
0 files changed, 0 insertions, 0 deletions