tipc: Started in network mode tipc: Own node identity 00000000000000000000ffffac1e0003, cluster identity 4711 BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor.2/24383 caller is dst_cache_get+0x31/0x70 net/core/dst_cache.c:68 CPU: 0 PID: 24383 Comm: syz-executor.2 Not tainted 5.7.0-rc1-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+0x11d/0x187 lib/dump_stack.c:118 check_preemption_disabled lib/smp_processor_id.c:47 [inline] debug_smp_processor_id.cold+0x5f/0x67 lib/smp_processor_id.c:57 dst_cache_get+0x31/0x70 net/core/dst_cache.c:68 tipc_udp_xmit.isra.0+0x60/0x540 net/tipc/udp_media.c:164 tipc_udp_send_msg+0x2ac/0x2d0 net/tipc/udp_media.c:244 tipc_bearer_xmit_skb+0xda/0x170 net/tipc/bearer.c:526 tipc_enable_bearer+0x645/0x740 net/tipc/bearer.c:331 __tipc_nl_bearer_enable+0x1ac/0x200 net/tipc/bearer.c:995 tipc_nl_bearer_enable+0x28/0x40 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+0x409/0x8c0 net/netlink/genetlink.c:735 netlink_rcv_skb+0xaf/0x260 net/netlink/af_netlink.c:2469 genl_rcv+0x2e/0x40 net/netlink/genetlink.c:746 netlink_unicast_kernel net/netlink/af_netlink.c:1303 [inline] netlink_unicast+0x390/0x4c0 net/netlink/af_netlink.c:1329 netlink_sendmsg+0x4cf/0x8a0 net/netlink/af_netlink.c:1918 sock_sendmsg_nosec net/socket.c:652 [inline] sock_sendmsg+0x98/0xc0 net/socket.c:672 ____sys_sendmsg+0x493/0x4c0 net/socket.c:2362 ___sys_sendmsg+0xb5/0x100 net/socket.c:2416 __sys_sendmsg+0x9b/0x150 net/socket.c:2449 __do_sys_sendmsg net/socket.c:2458 [inline] __se_sys_sendmsg net/socket.c:2456 [inline] __x64_sys_sendmsg+0x4c/0x60 net/socket.c:2456 do_syscall_64+0xc7/0x3b0 arch/x86/entry/common.c:295 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x45ca59 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:00007f84d186ac78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000501120 RCX: 000000000045ca59 RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000003 RBP: 000000000078bfa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000000009fd R14: 00000000004ccd81 R15: 00007f84d186b6d4 tipc: Enabled bearer , priority 10