forked from luck/tmp_suning_uos_patched
aec36b98a1
[ Upstream commit a6968f7a367f128d120447360734344d5a3d5336 ] tcmu_try_get_data_page() looks up pages under cmdr_lock, but it does not take refcount properly and just returns page pointer. When tcmu_try_get_data_page() returns, the returned page may have been freed by tcmu_blocks_release(). We need to get_page() under cmdr_lock to avoid concurrent tcmu_blocks_release(). Link: https://lore.kernel.org/r/20220311132206.24515-1-xiaoguang.wang@linux.alibaba.com Reviewed-by: Bodo Stroesser <bostroesser@gmail.com> Signed-off-by: Xiaoguang Wang <xiaoguang.wang@linux.alibaba.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Sasha Levin <sashal@kernel.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 |