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| author | tjr <tjr@FreeBSD.org> | 2003-06-14 15:45:34 +0000 |
|---|---|---|
| committer | tjr <tjr@FreeBSD.org> | 2003-06-14 15:45:34 +0000 |
| commit | 5155733cbd5f018fd512ea8a09bc9154ab8f3bbd (patch) | |
| tree | 79ad7846422b75ac6056ffc394883d7844dfdd7a /sys/netsmb/smb_iod.c | |
| parent | 6b8ecd0152c48c169be36273563d97ae52bbe5a1 (diff) | |
| download | FreeBSD-src-5155733cbd5f018fd512ea8a09bc9154ab8f3bbd.zip FreeBSD-src-5155733cbd5f018fd512ea8a09bc9154ab8f3bbd.tar.gz | |
Avoid dereferencing the thread pointer in smb_iod_addrq() if it's NULL.
Fixes mdconfig -t vnode on smbfs: mdsetcred()'s "horrible kludge"
calls into smbfs VOP_READ with a NULL uio_td.
Diffstat (limited to 'sys/netsmb/smb_iod.c')
| -rw-r--r-- | sys/netsmb/smb_iod.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sys/netsmb/smb_iod.c b/sys/netsmb/smb_iod.c index 86536bb..2c5e2c3 100644 --- a/sys/netsmb/smb_iod.c +++ b/sys/netsmb/smb_iod.c @@ -401,7 +401,8 @@ smb_iod_addrq(struct smb_rq *rqp) int error; SMBIODEBUG("\n"); - if (rqp->sr_cred->scr_td->td_proc == iod->iod_p) { + if (rqp->sr_cred->scr_td != NULL && + rqp->sr_cred->scr_td->td_proc == iod->iod_p) { rqp->sr_flags |= SMBR_INTERNAL; SMB_IOD_RQLOCK(iod); TAILQ_INSERT_HEAD(&iod->iod_rqlist, rqp, sr_link); |
