diff options
| author | kcrowenex <kevin.crowe@nexenta.com> | 2016-03-31 15:35:58 -0400 |
|---|---|---|
| committer | Gordon Ross <gwr@nexenta.com> | 2019-05-19 19:21:13 -0400 |
| commit | 41bd85101cd90603ab3220d835461fe851a81fed (patch) | |
| tree | c1806ebca4df9992ee45cae444c0c7941bbbcc6c | |
| parent | 9c856e866360bf6877f0e47fdfef22bd8e33cf14 (diff) | |
| download | illumos-joyent-41bd85101cd90603ab3220d835461fe851a81fed.tar.gz | |
10969 SMB server listener stops after a SYN-ACK flood
Reviewed by: Gordon Ross <gwr@nexenta.com>
Reviewed by: Matt Barden <matt.barden@nexenta.com>
Approved by: Joshua M. Clulow <josh@sysmgr.org>
| -rw-r--r-- | usr/src/uts/common/fs/smbsrv/smb_server.c | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/usr/src/uts/common/fs/smbsrv/smb_server.c b/usr/src/uts/common/fs/smbsrv/smb_server.c index a2ea75c608..ba049c2e1c 100644 --- a/usr/src/uts/common/fs/smbsrv/smb_server.c +++ b/usr/src/uts/common/fs/smbsrv/smb_server.c @@ -1628,8 +1628,24 @@ smb_server_listener(smb_thread_t *thread, void *arg) DTRACE_PROBE1(so__wait__accept, struct sonode *, ld->ld_so); - while (ksocket_accept(ld->ld_so, NULL, NULL, &s_so, CRED()) - == 0) { + for (;;) { + int ret = ksocket_accept(ld->ld_so, NULL, NULL, &s_so, CRED()); + + switch (ret) { + case 0: + break; + case ECONNABORTED: + continue; + case EINTR: + case EBADF: /* libfakekernel */ + goto out; + default: + cmn_err(CE_WARN, + "smb_server_listener: ksocket_accept(%d)", + ret); + goto out; + } + DTRACE_PROBE1(so__accept, struct sonode *, s_so); on = 1; @@ -1649,6 +1665,7 @@ smb_server_listener(smb_thread_t *thread, void *arg) */ smb_server_create_session(ld, s_so); } +out: /* Disconnect all the sessions this listener created. */ smb_llist_enter(&ld->ld_session_list, RW_READER); session = smb_llist_head(&ld->ld_session_list); |