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| author | Jakub Kicinski <kuba@kernel.org> | 2025-01-22 14:45:03 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-02-08 09:58:05 +0100 |
| commit | f6620669ad6f2efe3aa6af919ff25017e23fe7c8 (patch) | |
| tree | 13aaf487f6a1612d2f99a313c78f0e39ea4fba5c /drivers/net/netdevsim/netdevsim.h | |
| parent | 1992fb261c90e9827cf5dc3115d89bb0853252c9 (diff) | |
| download | linux-f6620669ad6f2efe3aa6af919ff25017e23fe7c8.tar.gz linux-f6620669ad6f2efe3aa6af919ff25017e23fe7c8.tar.bz2 linux-f6620669ad6f2efe3aa6af919ff25017e23fe7c8.zip | |
net: netdevsim: try to close UDP port harness races
[ Upstream commit 50bf398e1ceacb9a7f85bd3bdca065ebe5cb6159 ]
syzbot discovered that we remove the debugfs files after we free
the netdev. Try to clean up the relevant dir while the device
is still around.
Reported-by: syzbot+2e5de9e3ab986b71d2bf@syzkaller.appspotmail.com
Fixes: 424be63ad831 ("netdevsim: add UDP tunnel port offload support")
Reviewed-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
Link: https://patch.msgid.link/20250122224503.762705-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/net/netdevsim/netdevsim.h')
| -rw-r--r-- | drivers/net/netdevsim/netdevsim.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/netdevsim/netdevsim.h b/drivers/net/netdevsim/netdevsim.h index bf02efa10956..84181dcb9883 100644 --- a/drivers/net/netdevsim/netdevsim.h +++ b/drivers/net/netdevsim/netdevsim.h @@ -129,6 +129,7 @@ struct netdevsim { u32 sleep; u32 __ports[2][NSIM_UDP_TUNNEL_N_PORTS]; u32 (*ports)[NSIM_UDP_TUNNEL_N_PORTS]; + struct dentry *ddir; struct debugfs_u32_array dfs_ports[2]; } udp_ports; |