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| author | Stanislav Fomichev <sdf@fomichev.me> | 2025-06-23 08:31:47 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-08-15 16:38:41 +0200 |
| commit | 53edc761c9911f597b6d701e846f6e84f15eaa6d (patch) | |
| tree | 5a177255425b42f42a5ba98c457561b60a3697e7 /include | |
| parent | b781ccd0e0e6e7b4e4117161af65db862fbf2c6d (diff) | |
| download | linux-53edc761c9911f597b6d701e846f6e84f15eaa6d.tar.gz linux-53edc761c9911f597b6d701e846f6e84f15eaa6d.tar.bz2 linux-53edc761c9911f597b6d701e846f6e84f15eaa6d.zip | |
team: replace team lock with rtnl lock
[ Upstream commit bfb4fb77f9a8ce33ce357224569eae5564eec573 ]
syszbot reports various ordering issues for lower instance locks and
team lock. Switch to using rtnl lock for protecting team device,
similar to bonding. Based on the patch by Tetsuo Handa.
Cc: Jiri Pirko <jiri@resnulli.us>
Cc: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Reported-by: syzbot+705c61d60b091ef42c04@syzkaller.appspotmail.com
Closes: https://syzkaller.appspot.com/bug?extid=705c61d60b091ef42c04
Reported-by: syzbot+71fd22ae4b81631e22fd@syzkaller.appspotmail.com
Closes: https://syzkaller.appspot.com/bug?extid=71fd22ae4b81631e22fd
Fixes: 6b1d3c5f675c ("team: grab team lock during team_change_rx_flags")
Link: https://lkml.kernel.org/r/ZoZ2RH9BcahEB9Sb@nanopsycho.orion
Signed-off-by: Stanislav Fomichev <sdf@fomichev.me>
Link: https://patch.msgid.link/20250623153147.3413631-1-sdf@fomichev.me
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/if_team.h | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/include/linux/if_team.h b/include/linux/if_team.h index cdc684e04a2f..ce97d891cf72 100644 --- a/include/linux/if_team.h +++ b/include/linux/if_team.h @@ -191,8 +191,6 @@ struct team { const struct header_ops *header_ops_cache; - struct mutex lock; /* used for overall locking, e.g. port lists write */ - /* * List of enabled ports and their count */ @@ -223,7 +221,6 @@ struct team { atomic_t count_pending; struct delayed_work dw; } mcast_rejoin; - struct lock_class_key team_lock_key; long mode_priv[TEAM_MODE_PRIV_LONGS]; }; |