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4cfae7b238
[ Upstream commit bdc2ab5c61a5c07388f4820ff21e787b4dfd1ced ]
In rds_message_map_pages, the rm is freed by rds_message_put(rm).
But rm is still used by rm->data.op_sg in return value.
My patch assigns ERR_CAST(rm->data.op_sg) to err before the rm is
freed to avoid the uaf.
Fixes:
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.. | ||
af_rds.c | ||
bind.c | ||
cong.c | ||
connection.c | ||
ib_cm.c | ||
ib_frmr.c | ||
ib_mr.h | ||
ib_rdma.c | ||
ib_recv.c | ||
ib_ring.c | ||
ib_send.c | ||
ib_stats.c | ||
ib_sysctl.c | ||
ib.c | ||
ib.h | ||
info.c | ||
info.h | ||
Kconfig | ||
loop.c | ||
loop.h | ||
Makefile | ||
message.c | ||
page.c | ||
rdma_transport.c | ||
rdma_transport.h | ||
rdma.c | ||
rds_single_path.h | ||
rds.h | ||
recv.c | ||
send.c | ||
stats.c | ||
sysctl.c | ||
tcp_connect.c | ||
tcp_listen.c | ||
tcp_recv.c | ||
tcp_send.c | ||
tcp_stats.c | ||
tcp.c | ||
tcp.h | ||
threads.c | ||
transport.c |