tipc: Started in network mode tipc: Own node identity ff000000000000000000000000000001, cluster identity 4711 check_preemption_disabled: 3 callbacks suppressed BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor521/8932 caller is dst_cache_get+0x3d/0xb0 net/core/dst_cache.c:68 CPU: 0 PID: 8932 Comm: syz-executor521 Not tainted 5.4.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x197/0x210 lib/dump_stack.c:118 check_preemption_disabled lib/smp_processor_id.c:47 [inline] debug_smp_processor_id.cold+0x87/0x97 lib/smp_processor_id.c:57 dst_cache_get+0x3d/0xb0 net/core/dst_cache.c:68 tipc_udp_xmit.isra.0+0xc4/0xb80 net/tipc/udp_media.c:164 tipc_udp_send_msg+0x3ea/0x490 net/tipc/udp_media.c:241 tipc_bearer_xmit_skb+0x219/0x480 net/tipc/bearer.c:525 tipc_enable_bearer+0xb18/0xd90 net/tipc/bearer.c:330 __tipc_nl_bearer_enable+0x2de/0x3a0 net/tipc/bearer.c:994 tipc_nl_bearer_enable+0x23/0x40 net/tipc/bearer.c:1002 genl_family_rcv_msg_doit net/netlink/genetlink.c:672 [inline] genl_family_rcv_msg net/netlink/genetlink.c:717 [inline] genl_rcv_msg+0x67d/0xea0 net/netlink/genetlink.c:734 netlink_rcv_skb+0x177/0x450 net/netlink/af_netlink.c:2477 genl_rcv+0x29/0x40 net/netlink/genetlink.c:745 netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline] netlink_unicast+0x58c/0x7d0 net/netlink/af_netlink.c:1328 netlink_sendmsg+0x8ee/0xe60 net/netlink/af_netlink.c:1917 sock_sendmsg_nosec net/socket.c:638 [inline] sock_sendmsg+0xd7/0x130 net/socket.c:658 ____sys_sendmsg+0x753/0x880 net/socket.c:2329 ___sys_sendmsg+0x11d/0x1b0 net/socket.c:2383 __sys_sendmsg+0x105/0x1d0 net/socket.c:2429 __do_sys_sendmsg net/socket.c:2438 [inline] __se_sys_sendmsg net/socket.c:2436 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2436 do_syscall_64+0xfa/0x790 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x444359 Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 1b d8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007ffdcf5e5688 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00000000004002e0 RCX: 0000000000444359