284 lines
7.3 KiB
C
284 lines
7.3 KiB
C
/*
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* livepatch_main.c - kernel live patch main infrastructure
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*
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* Copyright (c) 2014 SUSE
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* Author: Miroslav Benes <mbenes@suse.cz>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include <linux/livepatch.h>
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#include <linux/module.h>
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#include <linux/types.h>
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#include "uname_patch/livepatch_uname.h"
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/* Auto expanded KLP_PATCHES_INCLUDES: */
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#include "bsc1246019/livepatch_bsc1246019.h"
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#include "bsc1248301/livepatch_bsc1248301.h"
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#include "bsc1248400/livepatch_bsc1248400.h"
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#include "bsc1248631/livepatch_bsc1248631.h"
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#include "bsc1248670/livepatch_bsc1248670.h"
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#include "bsc1248672/livepatch_bsc1248672.h"
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#include "bsc1249207/livepatch_bsc1249207.h"
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#include "bsc1249208/livepatch_bsc1249208.h"
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#include "bsc1249241/livepatch_bsc1249241.h"
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#include "bsc1249537/livepatch_bsc1249537.h"
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#include "bsc1250192/livepatch_bsc1250192.h"
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#include "bsc1251956/livepatch_bsc1251956.h"
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#include "bsc1251982/livepatch_bsc1251982.h"
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#include "bsc1253437/livepatch_bsc1253437.h"
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#include "bsc1254196/livepatch_bsc1254196.h"
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static struct klp_object objs[] = {
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/* Auto expanded KLP_PATCHES_OBJS: */
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{
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.name = NULL,
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.funcs = (struct klp_func[]) {
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{
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.old_name = __stringify(KLP_SYSCALL_SYM(newuname)),
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.new_func = KLP_SYSCALL_SYM(klp_newuname),
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},
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#ifdef KLP_ARCH_HAS_SYSCALL_COMPAT_STUBS
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{
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.old_name = __stringify(KLP_SYSCALL_COMPAT_STUB_SYM(newuname)),
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.new_func = KLP_SYSCALL_COMPAT_STUB_SYM(klp_newuname),
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},
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#endif
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{ .old_name = __stringify(lock_vma_under_rcu), .new_func = klpp_lock_vma_under_rcu, },
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{ .old_name = __stringify(ipv6_gso_segment), .new_func = klpp_ipv6_gso_segment, },
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{ .old_name = __stringify(fib6_add), .new_func = klpp_fib6_add, },
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{ .old_name = __stringify(fib6_del), .new_func = klpp_fib6_del, },
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{ .old_name = __stringify(rt6_nlmsg_size), .new_func = klpp_rt6_nlmsg_size, },
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#if IS_ENABLED(CONFIG_PPC_FTRACE_OUT_OF_LINE)
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{ .old_name = __stringify(module_finalize_ftrace), .new_func = klpp_module_finalize_ftrace, },
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#endif
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{ .old_name = __stringify(io_link_skb), .new_func = klpp_io_link_skb, },
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{ }
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}
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},
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{
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.name = "af_packet",
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.funcs = (struct klp_func[]) {
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{ .old_name = __stringify(packet_set_ring), .new_func = klpp_packet_set_ring, },
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{ }
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}
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},
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#if IS_ENABLED(CONFIG_ICE)
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{
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.name = "ice",
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.funcs = (struct klp_func[]) {
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{ .old_name = __stringify(ice_copy_and_init_pkg), .new_func = klpp_ice_copy_and_init_pkg, },
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{ }
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}
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},
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#endif
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{
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.name = "nfsd",
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.funcs = (struct klp_func[]) {
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{ .old_name = __stringify(__fh_verify), .new_func = klpp___fh_verify, },
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{ }
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}
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},
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{
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.name = "sch_cake",
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.funcs = (struct klp_func[]) {
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{ .old_name = __stringify(cake_enqueue), .new_func = klpp_cake_enqueue, },
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{ }
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}
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},
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{
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.name = "sch_choke",
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.funcs = (struct klp_func[]) {
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{ .old_name = __stringify(choke_enqueue), .new_func = klpp_choke_enqueue, },
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{ }
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}
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},
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{
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.name = "sctp",
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.funcs = (struct klp_func[]) {
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{ .old_name = __stringify(sctp_unpack_cookie), .new_func = klpp_sctp_unpack_cookie, },
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{ .old_name = __stringify(sctp_sf_authenticate), .new_func = klpp_sctp_sf_authenticate, },
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{ }
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}
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},
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{
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.name = "tls",
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.funcs = (struct klp_func[]) {
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{ .old_name = __stringify(bpf_exec_tx_verdict), .new_func = klpp_bpf_exec_tx_verdict, },
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{ .old_name = __stringify(tls_rx_rec_wait), .new_func = klpp_tls_rx_rec_wait, },
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{ .old_name = __stringify(tls_sw_recvmsg), .new_func = klpp_tls_sw_recvmsg, },
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{ }
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}
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},
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{
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.name = "vsock",
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.funcs = (struct klp_func[]) {
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{ .old_name = __stringify(__vsock_bind), .new_func = klpp___vsock_bind, },
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{ }
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}
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},
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{
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.name = "xfrm_interface",
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.funcs = (struct klp_func[]) {
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{ .old_name = __stringify(xfrmi_changelink), .new_func = klpp_xfrmi_changelink, },
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{ }
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}
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},
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{ }
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};
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static struct klp_patch patch = {
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.mod = THIS_MODULE,
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.objs = objs,
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.replace = true,
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};
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static int __init klp_patch_init(void)
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{
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int retval;
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pr_info("livepatch: initializing\n");
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/* Auto expanded KLP_PATCHES_INIT_CALLS: */
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retval = livepatch_bsc1246019_init();
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if (retval)
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goto err_bsc1246019;
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retval = livepatch_bsc1248301_init();
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if (retval)
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goto err_bsc1248301;
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retval = livepatch_bsc1248400_init();
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if (retval)
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goto err_bsc1248400;
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retval = livepatch_bsc1248631_init();
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if (retval)
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goto err_bsc1248631;
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retval = livepatch_bsc1248670_init();
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if (retval)
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goto err_bsc1248670;
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retval = livepatch_bsc1248672_init();
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if (retval)
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goto err_bsc1248672;
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retval = livepatch_bsc1249207_init();
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if (retval)
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goto err_bsc1249207;
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retval = livepatch_bsc1249208_init();
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if (retval)
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goto err_bsc1249208;
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retval = livepatch_bsc1249241_init();
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if (retval)
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goto err_bsc1249241;
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retval = livepatch_bsc1249537_init();
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if (retval)
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goto err_bsc1249537;
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retval = livepatch_bsc1250192_init();
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if (retval)
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goto err_bsc1250192;
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retval = livepatch_bsc1251956_init();
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if (retval)
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goto err_bsc1251956;
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retval = livepatch_bsc1251982_init();
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if (retval)
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goto err_bsc1251982;
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retval = livepatch_bsc1253437_init();
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if (retval)
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goto err_bsc1253437;
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retval = livepatch_bsc1254196_init();
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if (retval)
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goto err_bsc1254196;
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retval = klp_enable_patch(&patch);
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if (!retval)
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return retval;
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/* Auto expanded KLP_PATCHES_INIT_ERR_HANDLERS: */
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livepatch_bsc1254196_cleanup();
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err_bsc1254196:
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livepatch_bsc1253437_cleanup();
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err_bsc1253437:
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livepatch_bsc1251982_cleanup();
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err_bsc1251982:
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livepatch_bsc1251956_cleanup();
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err_bsc1251956:
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livepatch_bsc1250192_cleanup();
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err_bsc1250192:
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livepatch_bsc1249537_cleanup();
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err_bsc1249537:
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livepatch_bsc1249241_cleanup();
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err_bsc1249241:
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livepatch_bsc1249208_cleanup();
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err_bsc1249208:
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livepatch_bsc1249207_cleanup();
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err_bsc1249207:
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livepatch_bsc1248672_cleanup();
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err_bsc1248672:
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livepatch_bsc1248670_cleanup();
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err_bsc1248670:
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livepatch_bsc1248631_cleanup();
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err_bsc1248631:
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livepatch_bsc1248400_cleanup();
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err_bsc1248400:
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livepatch_bsc1248301_cleanup();
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err_bsc1248301:
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livepatch_bsc1246019_cleanup();
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err_bsc1246019:
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return retval;
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}
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static void __exit klp_patch_cleanup(void)
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{
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pr_info("livepatch: removed\n");
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/* Auto expanded KLP_PATCHES_CLEANUP_CALLS: */
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livepatch_bsc1246019_cleanup();
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livepatch_bsc1248301_cleanup();
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livepatch_bsc1248400_cleanup();
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livepatch_bsc1248631_cleanup();
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livepatch_bsc1248670_cleanup();
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livepatch_bsc1248672_cleanup();
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livepatch_bsc1249207_cleanup();
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livepatch_bsc1249208_cleanup();
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livepatch_bsc1249241_cleanup();
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livepatch_bsc1249537_cleanup();
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livepatch_bsc1250192_cleanup();
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livepatch_bsc1251956_cleanup();
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livepatch_bsc1251982_cleanup();
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livepatch_bsc1253437_cleanup();
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livepatch_bsc1254196_cleanup();
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}
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module_init(klp_patch_init);
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module_exit(klp_patch_cleanup);
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MODULE_LICENSE("GPL");
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MODULE_INFO(livepatch, "Y");
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MODULE_INFO(klpgitrev, "b76639e2355b2b473e2253b5bbbef0343286daea");
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