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79d81ef42c
Unlike the iSCSI target driver, for the SRP target driver it is sufficient
if a single TPG can be associated with each RDMA port name. However, users
started associating multiple TPGs with RDMA port names. Support this by
converting the single TPG in struct srpt_port_id into a list. This patch
fixes the following list corruption issue:
list_add corruption. prev->next should be next (ffffffffc0a080c0), but was ffffa08a994ce6f0. (prev=ffffa08a994ce6f0).
WARNING: CPU: 2 PID: 2597 at lib/list_debug.c:28 __list_add_valid+0x6a/0x70
CPU: 2 PID: 2597 Comm: targetcli Not tainted 5.4.0-rc1.3bfa3c9602a7 #1
RIP: 0010:__list_add_valid+0x6a/0x70
Call Trace:
core_tpg_register+0x116/0x200 [target_core_mod]
srpt_make_tpg+0x3f/0x60 [ib_srpt]
target_fabric_make_tpg+0x41/0x290 [target_core_mod]
configfs_mkdir+0x158/0x3e0
vfs_mkdir+0x108/0x1a0
do_mkdirat+0x77/0xe0
do_syscall_64+0x55/0x1d0
entry_SYSCALL_64_after_hwframe+0x44/0xa9
Link: https://lore.kernel.org/r/20191023204106.23326-1-bvanassche@acm.org
Reported-by: Honggang LI <honli@redhat.com>
Fixes:
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.. | ||
ipoib | ||
iser | ||
isert | ||
opa_vnic | ||
srp | ||
srpt | ||
Makefile |