The branch main has been updated by rmacklem: URL: https://cgit.FreeBSD.org/src/commit/?id=1c15c8c0e935f3f7def7b03e9546f7d6790f465e
commit 1c15c8c0e935f3f7def7b03e9546f7d6790f465e Author: Rick Macklem <[email protected]> AuthorDate: 2021-11-27 23:02:04 +0000 Commit: Rick Macklem <[email protected]> CommitDate: 2021-11-27 23:02:04 +0000 nfscl: Sanity check the Sequence slotid in reply The slotid in the Sequence reply must be the same as in the request. Check that it is the same and log a console message if it is not, plus set it to the correct value. Reported by: [email protected] Tested by: [email protected] PR: 260071 MFC after: 2 weeks --- sys/fs/nfs/nfs_commonkrpc.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/sys/fs/nfs/nfs_commonkrpc.c b/sys/fs/nfs/nfs_commonkrpc.c index c1a5fab2a358..4d8db64f419f 100644 --- a/sys/fs/nfs/nfs_commonkrpc.c +++ b/sys/fs/nfs/nfs_commonkrpc.c @@ -1038,6 +1038,18 @@ tryagain: tl += NFSX_V4SESSIONID / NFSX_UNSIGNED; retseq = fxdr_unsigned(uint32_t, *tl++); slot = fxdr_unsigned(int, *tl++); + if ((nd->nd_flag & ND_HASSLOTID) != 0) { + if (slot != nd->nd_slotid) { + printf("newnfs_request:" + " Wrong session " + "slot=%d\n", slot); + slot = nd->nd_slotid; + } + } else if (slot != 0) { + printf("newnfs_request: Bad " + "session slot=%d\n", slot); + slot = 0; + } freeslot = slot; if (retseq != sep->nfsess_slotseq[slot]) printf("retseq diff 0x%x\n",
