On Mon, Jul 15, 2013 at 03:16:37PM +0600, Eugene M. Zheganin wrote: > Hi. > > On 02.07.2013 05:10, Pawel Jakub Dawidek wrote: > > On Sun, Jun 30, 2013 at 01:18:36PM +0200, Mateusz Guzik wrote: > >> > >> Turns out the bug is quite funny ;) > >> > >> Try this: > >> diff --git a/sys/kern/uipc_usrreq.c b/sys/kern/uipc_usrreq.c > >> index 5d8e814..7a4db04 100644 > >> --- a/sys/kern/uipc_usrreq.c > >> +++ b/sys/kern/uipc_usrreq.c > >> _at__at_ -1764,8 +1764,8 _at__at_ unp_externalize(struct mbuf *control, struct mbuf **controlp, int flags) > >> } > >> for (i = 0; i < newfds; i++, fdp++) { > >> fde = &fdesc->fd_ofiles[*fdp]; > >> - fde->fde_file = fdep[0]->fde_file; > >> - filecaps_move(&fdep[0]->fde_caps, > >> + fde->fde_file = fdep[i]->fde_file; > >> + filecaps_move(&fdep[i]->fde_caps, > >> &fde->fde_caps); > >> if ((flags & MSG_CMSG_CLOEXEC) != 0) > >> fde->fde_flags |= UF_EXCLOSE; > > Thanks for tracking it down before I had time to get to it! > > The change looks good. > > > Guys, if this is working, why it's not commited to HEAD ? I'm still > hitting this bug on r251990 and later ones. > The patch was committed in r252502. Is that kernel crashing for you? If so, can you show backtrace? -- Mateusz Guzik <mjguzik gmail.com>Received on Mon Jul 15 2013 - 07:25:44 UTC
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