diff options
| author | green <green@FreeBSD.org> | 2000-08-29 11:28:06 +0000 |
|---|---|---|
| committer | green <green@FreeBSD.org> | 2000-08-29 11:28:06 +0000 |
| commit | 0fa5ae2859837ce45dfa1d212731cbed7a6bf037 (patch) | |
| tree | a0487072d9e3fda944c9970116207cd67e21e923 /sys/kern/uipc_socket.c | |
| parent | 0290d697a80874eccbc3e0228ae5f2acb2b7522c (diff) | |
| download | FreeBSD-src-0fa5ae2859837ce45dfa1d212731cbed7a6bf037.zip FreeBSD-src-0fa5ae2859837ce45dfa1d212731cbed7a6bf037.tar.gz | |
Remove any possibility of hiwat-related race conditions by changing
the chgsbsize() call to use a "subject" pointer (&sb.sb_hiwat) and
a u_long target to set it to. The whole thing is splnet().
This fixes a problem that jdp has been able to provoke.
Diffstat (limited to 'sys/kern/uipc_socket.c')
| -rw-r--r-- | sys/kern/uipc_socket.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/sys/kern/uipc_socket.c b/sys/kern/uipc_socket.c index f5f1746..7cd4ca7 100644 --- a/sys/kern/uipc_socket.c +++ b/sys/kern/uipc_socket.c @@ -191,10 +191,10 @@ sodealloc(so) so->so_gencnt = ++so_gencnt; if (so->so_rcv.sb_hiwat) (void)chgsbsize(so->so_cred->cr_uid, - -(rlim_t)so->so_rcv.sb_hiwat, RLIM_INFINITY); + &so->so_rcv.sb_hiwat, 0, RLIM_INFINITY); if (so->so_snd.sb_hiwat) (void)chgsbsize(so->so_cred->cr_uid, - -(rlim_t)so->so_snd.sb_hiwat, RLIM_INFINITY); + &so->so_snd.sb_hiwat, 0, RLIM_INFINITY); if (so->so_accf != NULL) { if (so->so_accf->so_accept_filter != NULL && so->so_accf->so_accept_filter->accf_destroy != NULL) { |
