efe35db948
commit 9b6ff7eb666415e1558f1ba8a742f5db6a9954de upstream.
The reference count leak issue may take place in an error handling
path. If both conditions of tunnel->version == L2TP_HDR_VER_3 and the
return value of l2tp_v3_ensure_opt_in_linear is nonzero, the function
would directly jump to label invalid, without decrementing the reference
count of the l2tp_session object session increased earlier by
l2tp_tunnel_get_session(). This may result in refcount leaks.
Fix this issue by decrease the reference count before jumping to the
label invalid.
Fixes:
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|---|---|---|
| .. | ||
| Kconfig | ||
| Makefile | ||
| l2tp_core.c | ||
| l2tp_core.h | ||
| l2tp_debugfs.c | ||
| l2tp_eth.c | ||
| l2tp_ip.c | ||
| l2tp_ip6.c | ||
| l2tp_netlink.c | ||
| l2tp_ppp.c | ||