tipc: Started in network mode tipc: Own node identity ff020000000000000000000000000001, cluster identity 4711 tipc: Enabling of bearer rejected, failed to enable media BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.0/7250 caller is dst_cache_get+0x55/0x4a0 net/core/dst_cache.c:68 CPU: 1 PID: 7250 Comm: syz-executor.0 Not tainted 5.7.0-rc6-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+0x1e9/0x30e lib/dump_stack.c:118 check_preemption_disabled+0x1c9/0x240 lib/smp_processor_id.c:47 dst_cache_get+0x55/0x4a0 net/core/dst_cache.c:68 tipc_udp_xmit+0x48/0x9e0 net/tipc/udp_media.c:164 tipc_bearer_xmit_skb+0x2f1/0x440 net/tipc/bearer.c:526 tipc_enable_bearer net/tipc/bearer.c:331 [inline] __tipc_nl_bearer_enable+0xaf3/0xec0 net/tipc/bearer.c:995 tipc_nl_bearer_enable+0x1e/0x30 net/tipc/bearer.c:1003 genl_family_rcv_msg_doit net/netlink/genetlink.c:673 [inline] genl_family_rcv_msg net/netlink/genetlink.c:718 [inline] genl_rcv_msg+0x1054/0x1530 net/netlink/genetlink.c:735 netlink_rcv_skb+0x190/0x3a0 net/netlink/af_netlink.c:2469 genl_rcv+0x24/0x40 net/netlink/genetlink.c:746 netlink_unicast_kernel net/netlink/af_netlink.c:1303 [inline] netlink_unicast+0x786/0x940 net/netlink/af_netlink.c:1329 netlink_sendmsg+0xa57/0xd70 net/netlink/af_netlink.c:1918 sock_sendmsg_nosec net/socket.c:652 [inline] sock_sendmsg net/socket.c:672 [inline] ____sys_sendmsg+0x4f9/0x7c0 net/socket.c:2362 ___sys_sendmsg net/socket.c:2416 [inline] __sys_sendmsg+0x2a6/0x360 net/socket.c:2449 do_syscall_64+0xf3/0x1b0 arch/x86/entry/common.c:295 entry_SYSCALL_64_after_hwframe+0x49/0xb3 RIP: 0033:0x45ca29 Code: 0d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 db b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f7f45fafc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000500640 RCX: 000000000045ca29 RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000003 RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000000009e0 R14: 00000000004ccb11 R15: 00007f7f45fb06d4 tipc: Enabled bearer , priority 10