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5e0cf5e6c4
There are three timing problems in the kthread usages of iscsi_target_mod: - np_thread of struct iscsi_np - rx_thread and tx_thread of struct iscsi_conn In iscsit_close_connection(), it calls send_sig(SIGINT, conn->tx_thread, 1); kthread_stop(conn->tx_thread); In conn->tx_thread, which is iscsi_target_tx_thread(), when it receive SIGINT the kthread will exit without checking the return value of kthread_should_stop(). So if iscsi_target_tx_thread() exit right between send_sig(SIGINT...) and kthread_stop(...), the kthread_stop() will try to stop an already stopped kthread. This is invalid according to the documentation of kthread_stop(). (Fix -ECONNRESET logout handling in iscsi_target_tx_thread and early iscsi_target_rx_thread failure case - nab) Signed-off-by: Jiang Yi <jiangyilism@gmail.com> Cc: <stable@vger.kernel.org> # v3.12+ Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org> |
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| .. | ||
| iscsi | ||
| loopback | ||
| sbp | ||
| tcm_fc | ||
| Kconfig | ||
| Makefile | ||
| target_core_alua.c | ||
| target_core_alua.h | ||
| target_core_configfs.c | ||
| target_core_device.c | ||
| target_core_fabric_configfs.c | ||
| target_core_fabric_lib.c | ||
| target_core_file.c | ||
| target_core_file.h | ||
| target_core_hba.c | ||
| target_core_iblock.c | ||
| target_core_iblock.h | ||
| target_core_internal.h | ||
| target_core_pr.c | ||
| target_core_pr.h | ||
| target_core_pscsi.c | ||
| target_core_pscsi.h | ||
| target_core_rd.c | ||
| target_core_rd.h | ||
| target_core_sbc.c | ||
| target_core_spc.c | ||
| target_core_stat.c | ||
| target_core_tmr.c | ||
| target_core_tpg.c | ||
| target_core_transport.c | ||
| target_core_ua.c | ||
| target_core_ua.h | ||
| target_core_user.c | ||
| target_core_xcopy.c | ||
| target_core_xcopy.h | ||