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| author | William Tu <witu@nvidia.com> | 2024-03-09 20:31:47 +0200 |
|---|---|---|
| committer | Paolo Abeni <pabeni@redhat.com> | 2024-03-14 12:46:24 +0100 |
| commit | e127ce7699c1e05279ee5ee61f00893e7bfa9671 (patch) | |
| tree | 37f59d687f53ab77105da88a56a313ddccd246a7 /scripts/bpf_doc.py | |
| parent | 04d9d1fc428ac9f581d55118d67e0cb546701feb (diff) | |
| download | linux-e127ce7699c1e05279ee5ee61f00893e7bfa9671.tar.gz linux-e127ce7699c1e05279ee5ee61f00893e7bfa9671.tar.bz2 linux-e127ce7699c1e05279ee5ee61f00893e7bfa9671.zip | |
vmxnet3: Fix missing reserved tailroom
Use rbi->len instead of rcd->len for non-dataring packet.
Found issue:
XDP_WARN: xdp_update_frame_from_buff(line:278): Driver BUG: missing reserved tailroom
WARNING: CPU: 0 PID: 0 at net/core/xdp.c:586 xdp_warn+0xf/0x20
CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W O 6.5.1 #1
RIP: 0010:xdp_warn+0xf/0x20
...
? xdp_warn+0xf/0x20
xdp_do_redirect+0x15f/0x1c0
vmxnet3_run_xdp+0x17a/0x400 [vmxnet3]
vmxnet3_process_xdp+0xe4/0x760 [vmxnet3]
? vmxnet3_tq_tx_complete.isra.0+0x21e/0x2c0 [vmxnet3]
vmxnet3_rq_rx_complete+0x7ad/0x1120 [vmxnet3]
vmxnet3_poll_rx_only+0x2d/0xa0 [vmxnet3]
__napi_poll+0x20/0x180
net_rx_action+0x177/0x390
Reported-by: Martin Zaharinov <micron10@gmail.com>
Tested-by: Martin Zaharinov <micron10@gmail.com>
Link: https://lore.kernel.org/netdev/74BF3CC8-2A3A-44FF-98C2-1E20F110A92E@gmail.com/
Fixes: 54f00cce1178 ("vmxnet3: Add XDP support.")
Signed-off-by: William Tu <witu@nvidia.com>
Link: https://lore.kernel.org/r/20240309183147.28222-1-witu@nvidia.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Diffstat (limited to 'scripts/bpf_doc.py')
0 files changed, 0 insertions, 0 deletions