diff options
| author | Paolo Abeni <[email protected]> | 2020-11-18 23:05:34 +0100 |
|---|---|---|
| committer | Jakub Kicinski <[email protected]> | 2020-11-19 21:54:24 -0800 |
| commit | b680a214ec281dbd44b5ebbf3f126a57f1ecf0f7 (patch) | |
| tree | 8bbd114bccb17adb18a9fc0e08beb29af36c7827 /net/lapb/lapb_timer.c | |
| parent | ac75b09624ed679e239b75081923a6d33ae35876 (diff) | |
mptcp: update rtx timeout only if required.
We must start the retransmission timer only there are
pending data in the rtx queue.
Otherwise we can hit a WARN_ON in mptcp_reset_timer(),
as syzbot demonstrated.
Reported-and-tested-by: [email protected]
Fixes: d9ca1de8c0cd ("mptcp: move page frag allocation in mptcp_sendmsg()")
Signed-off-by: Paolo Abeni <[email protected]>
Reviewed-by: Mat Martineau <[email protected]>
Reported-by: Naresh Kamboju <[email protected]>
Tested-by: Naresh Kamboju <[email protected]>
Link: https://lore.kernel.org/r/1a72039f112cae048c44d398ffa14e0a1432db3d.1605737083.git.pabeni@redhat.com
Signed-off-by: Jakub Kicinski <[email protected]>
Diffstat (limited to 'net/lapb/lapb_timer.c')
0 files changed, 0 insertions, 0 deletions