8021q: adding VLAN 0 to HW filter on device batadv0 Started in network mode Own node identity ac14141, cluster identity 4711 New replicast peer: 172.20.20.0 check_preemption_disabled: 8 callbacks suppressed BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor997/9296 caller is debug_smp_processor_id+0x1c/0x20 lib/smp_processor_id.c:57 CPU: 0 PID: 9296 Comm: syz-executor997 Not tainted 5.3.0-rc1+ #52 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+0x1d8/0x2f8 lib/dump_stack.c:113 check_preemption_disabled+0x257/0x2a0 lib/smp_processor_id.c:47 debug_smp_processor_id+0x1c/0x20 lib/smp_processor_id.c:57 dst_cache_get+0x9d/0x530 net/core/dst_cache.c:68 tipc_udp_xmit+0xb5/0xb90 net/tipc/udp_media.c:164 tipc_udp_send_msg+0x2b1/0x3d0 net/tipc/udp_media.c:254 tipc_bearer_xmit_skb+0x29f/0x3b0 net/tipc/bearer.c:503 tipc_enable_bearer net/tipc/bearer.c:328 [inline] __tipc_nl_bearer_enable+0xbba/0xec0 net/tipc/bearer.c:899 tipc_nl_bearer_enable+0x22/0x30 net/tipc/bearer.c:907 genl_family_rcv_msg net/netlink/genetlink.c:629 [inline] genl_rcv_msg+0xe7a/0x1330 net/netlink/genetlink.c:654 netlink_rcv_skb+0x1f0/0x460 net/netlink/af_netlink.c:2477 genl_rcv+0x28/0x40 net/netlink/genetlink.c:665 netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline] netlink_unicast+0x809/0x9a0 net/netlink/af_netlink.c:1328 netlink_sendmsg+0xa70/0xd30 net/netlink/af_netlink.c:1917 sock_sendmsg_nosec net/socket.c:637 [inline] sock_sendmsg net/socket.c:657 [inline] ___sys_sendmsg+0x66b/0x9a0 net/socket.c:2311 __sys_sendmsg net/socket.c:2356 [inline] __do_sys_sendmsg net/socket.c:2365 [inline] __se_sys_sendmsg net/socket.c:2363 [inline] __x64_sys_sendmsg+0x1cf/0x290 net/socket.c:2363 do_syscall_64+0xfe/0x140 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4458d9 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 9b d4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007ffe9d52ebf8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004458d9 RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000003 RBP: 00007ffe9d52ec10 R08: 0000000000000000 R09: 0000000001bbbbbb R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000403290 R14: 0000000000000000 R15: 0000000000000000 Enabled bearer , priority 10