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| author | Sowmini Varadhan <sowmini.varadhan@oracle.com> | 2018-03-15 03:54:26 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-03-17 17:18:54 -0400 |
| commit | 53d0e83f9329aa51dcc205b514dbee05cb4df309 (patch) | |
| tree | 71b0c06bfe39f8f46320853cd8a6c7944354a34f /drivers/net/ethernet | |
| parent | 3008ba5faa7a63bac2227c56b533c08fa6d54a0b (diff) | |
| download | linux-53d0e83f9329aa51dcc205b514dbee05cb4df309.tar.bz2 | |
rds: tcp: must use spin_lock_irq* and not spin_lock_bh with rds_tcp_conn_lock
rds_tcp_connection allocation/free management has the potential to be
called from __rds_conn_create after IRQs have been disabled, so
spin_[un]lock_bh cannot be used with rds_tcp_conn_lock.
Bottom-halves that need to synchronize for critical sections protected
by rds_tcp_conn_lock should instead use rds_destroy_pending() correctly.
Reported-by: syzbot+c68e51bb5e699d3f8d91@syzkaller.appspotmail.com
Fixes: ebeeb1ad9b8a ("rds: tcp: use rds_destroy_pending() to synchronize
netns/module teardown and rds connection/workq management")
Signed-off-by: Sowmini Varadhan <sowmini.varadhan@oracle.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet')
0 files changed, 0 insertions, 0 deletions