8021q: adding VLAN 0 to HW filter on device batadv0 tipc: Started in network mode tipc: Own node identity ac141425, cluster identity 4711 tipc: New replicast peer: 172.20.20.187 check_preemption_disabled: 8 callbacks suppressed BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor2/7459 caller is dst_cache_get+0x33/0xa0 net/core/dst_cache.c:68 CPU: 1 PID: 7459 Comm: syz-executor2 Not tainted 5.6.0-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+0x12d/0x187 lib/dump_stack.c:118 check_preemption_disabled lib/smp_processor_id.c:47 [inline] debug_smp_processor_id.cold.1+0x84/0x9e lib/smp_processor_id.c:57 dst_cache_get+0x33/0xa0 net/core/dst_cache.c:68 tipc_udp_xmit.isra.15+0xab/0xcd0 net/tipc/udp_media.c:164 tipc_udp_send_msg+0x229/0x3d0 net/tipc/udp_media.c:257 tipc_bearer_xmit_skb+0x1a5/0x370 net/tipc/bearer.c:526 tipc_enable_bearer+0x859/0xbb0 net/tipc/bearer.c:331 __tipc_nl_bearer_enable+0x265/0x390 net/tipc/bearer.c:995 tipc_nl_bearer_enable+0x1d/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+0x5e1/0x10f0 net/netlink/genetlink.c:735 netlink_rcv_skb+0x13f/0x380 net/netlink/af_netlink.c:2478 genl_rcv+0x23/0x40 net/netlink/genetlink.c:746 netlink_unicast_kernel net/netlink/af_netlink.c:1303 [inline] netlink_unicast+0x479/0x6c0 net/netlink/af_netlink.c:1329 netlink_sendmsg+0x7ab/0xd50 net/netlink/af_netlink.c:1918 sock_sendmsg_nosec net/socket.c:652 [inline] sock_sendmsg+0xe6/0x110 net/socket.c:672 ____sys_sendmsg+0x603/0x980 net/socket.c:2345 ___sys_sendmsg+0xe4/0x160 net/socket.c:2399 __sys_sendmsg+0xd9/0x180 net/socket.c:2432 __do_sys_sendmsg net/socket.c:2441 [inline] __se_sys_sendmsg net/socket.c:2439 [inline] __x64_sys_sendmsg+0x73/0xb0 net/socket.c:2439 do_syscall_64+0xd0/0x630 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4581d9 Code: 6d 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 3b b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f65a1321c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004581d9 RDX: 0000000000000000 RSI: 00000000200003c0 RDI: 0000000000000004 RBP: 000000000073bfa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f65a13226d4 R13: 00000000004c54b8 R14: 00000000004d91a0 R15: 00000000ffffffff tipc: Enabled bearer , priority 10 hrtimer: interrupt took 21337 ns tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Started in network mode tipc: Own node identity ac141425, cluster identity 4711 tipc: New replicast peer: 172.20.20.187 BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor4/7476 caller is dst_cache_get+0x33/0xa0 net/core/dst_cache.c:68 CPU: 0 PID: 7476 Comm: syz-executor4 Not tainted 5.6.0-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+0x12d/0x187 lib/dump_stack.c:118 check_preemption_disabled lib/smp_processor_id.c:47 [inline] debug_smp_processor_id.cold.1+0x84/0x9e lib/smp_processor_id.c:57 dst_cache_get+0x33/0xa0 net/core/dst_cache.c:68 tipc_udp_xmit.isra.15+0xab/0xcd0 net/tipc/udp_media.c:164 tipc_udp_send_msg+0x229/0x3d0 net/tipc/udp_media.c:257 tipc_bearer_xmit_skb+0x1a5/0x370 net/tipc/bearer.c:526 tipc_enable_bearer+0x859/0xbb0 net/tipc/bearer.c:331 __tipc_nl_bearer_enable+0x265/0x390 net/tipc/bearer.c:995 tipc_nl_bearer_enable+0x1d/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+0x5e1/0x10f0 net/netlink/genetlink.c:735 netlink_rcv_skb+0x13f/0x380 net/netlink/af_netlink.c:2478 genl_rcv+0x23/0x40 net/netlink/genetlink.c:746 netlink_unicast_kernel net/netlink/af_netlink.c:1303 [inline] netlink_unicast+0x479/0x6c0 net/netlink/af_netlink.c:1329 netlink_sendmsg+0x7ab/0xd50 net/netlink/af_netlink.c:1918 sock_sendmsg_nosec net/socket.c:652 [inline] sock_sendmsg+0xe6/0x110 net/socket.c:672 ____sys_sendmsg+0x603/0x980 net/socket.c:2345 ___sys_sendmsg+0xe4/0x160 net/socket.c:2399 __sys_sendmsg+0xd9/0x180 net/socket.c:2432 __do_sys_sendmsg net/socket.c:2441 [inline] __se_sys_sendmsg net/socket.c:2439 [inline] __x64_sys_sendmsg+0x73/0xb0 net/socket.c:2439 do_syscall_64+0xd0/0x630 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4581d9 Code: 6d 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 3b b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f3e6603cc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004581d9 RDX: 0000000000000000 RSI: 00000000200003c0 RDI: 0000000000000004 RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3e6603d6d4 R13: 00000000004c54b8 R14: 00000000004d91a0 R15: 00000000ffffffff tipc: Enabled bearer , priority 10 tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Started in network mode tipc: Own node identity ac141425, cluster identity 4711 tipc: 32-bit node address hash set to 251414ac tipc: New replicast peer: 172.20.20.187 BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor0/7481 caller is dst_cache_get+0x33/0xa0 net/core/dst_cache.c:68 CPU: 0 PID: 7481 Comm: syz-executor0 Not tainted 5.6.0-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+0x12d/0x187 lib/dump_stack.c:118 check_preemption_disabled lib/smp_processor_id.c:47 [inline] debug_smp_processor_id.cold.1+0x84/0x9e lib/smp_processor_id.c:57 dst_cache_get+0x33/0xa0 net/core/dst_cache.c:68 tipc_udp_xmit.isra.15+0xab/0xcd0 net/tipc/udp_media.c:164 tipc_udp_send_msg+0x229/0x3d0 net/tipc/udp_media.c:257 tipc_bearer_xmit_skb+0x1a5/0x370 net/tipc/bearer.c:526 tipc_enable_bearer+0x859/0xbb0 net/tipc/bearer.c:331 __tipc_nl_bearer_enable+0x265/0x390 net/tipc/bearer.c:995 tipc_nl_bearer_enable+0x1d/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+0x5e1/0x10f0 net/netlink/genetlink.c:735 netlink_rcv_skb+0x13f/0x380 net/netlink/af_netlink.c:2478 genl_rcv+0x23/0x40 net/netlink/genetlink.c:746 netlink_unicast_kernel net/netlink/af_netlink.c:1303 [inline] netlink_unicast+0x479/0x6c0 net/netlink/af_netlink.c:1329 netlink_sendmsg+0x7ab/0xd50 net/netlink/af_netlink.c:1918 sock_sendmsg_nosec net/socket.c:652 [inline] sock_sendmsg+0xe6/0x110 net/socket.c:672 ____sys_sendmsg+0x603/0x980 net/socket.c:2345 ___sys_sendmsg+0xe4/0x160 net/socket.c:2399 __sys_sendmsg+0xd9/0x180 net/socket.c:2432 __do_sys_sendmsg net/socket.c:2441 [inline] __se_sys_sendmsg net/socket.c:2439 [inline] __x64_sys_sendmsg+0x73/0xb0 net/socket.c:2439 do_syscall_64+0xd0/0x630 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4581d9 Code: 6d 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 3b b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f36a8f15c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004581d9 RDX: 0000000000000000 RSI: 00000000200003c0 RDI: 0000000000000006 RBP: 000000000073bfa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f36a8f166d4 R13: 00000000004c54b8 R14: 00000000004d91a0 R15: 00000000ffffffff BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor0/7481 caller is dst_cache_set_ip4+0x97/0x2e0 net/core/dst_cache.c:98 CPU: 0 PID: 7481 Comm: syz-executor0 Not tainted 5.6.0-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+0x12d/0x187 lib/dump_stack.c:118 check_preemption_disabled lib/smp_processor_id.c:47 [inline] debug_smp_processor_id.cold.1+0x84/0x9e lib/smp_processor_id.c:57 dst_cache_set_ip4+0x97/0x2e0 net/core/dst_cache.c:98 tipc_udp_xmit.isra.15+0x7aa/0xcd0 net/tipc/udp_media.c:182 tipc_udp_send_msg+0x229/0x3d0 net/tipc/udp_media.c:257 tipc_bearer_xmit_skb+0x1a5/0x370 net/tipc/bearer.c:526 tipc_enable_bearer+0x859/0xbb0 net/tipc/bearer.c:331 __tipc_nl_bearer_enable+0x265/0x390 net/tipc/bearer.c:995 tipc_nl_bearer_enable+0x1d/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+0x5e1/0x10f0 net/netlink/genetlink.c:735 netlink_rcv_skb+0x13f/0x380 net/netlink/af_netlink.c:2478 genl_rcv+0x23/0x40 net/netlink/genetlink.c:746 netlink_unicast_kernel net/netlink/af_netlink.c:1303 [inline] netlink_unicast+0x479/0x6c0 net/netlink/af_netlink.c:1329 netlink_sendmsg+0x7ab/0xd50 net/netlink/af_netlink.c:1918 sock_sendmsg_nosec net/socket.c:652 [inline] sock_sendmsg+0xe6/0x110 net/socket.c:672 ____sys_sendmsg+0x603/0x980 net/socket.c:2345 ___sys_sendmsg+0xe4/0x160 net/socket.c:2399 __sys_sendmsg+0xd9/0x180 net/socket.c:2432 __do_sys_sendmsg net/socket.c:2441 [inline] __se_sys_sendmsg net/socket.c:2439 [inline] __x64_sys_sendmsg+0x73/0xb0 net/socket.c:2439 do_syscall_64+0xd0/0x630 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4581d9 Code: 6d 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 3b b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f36a8f15c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004581d9 RDX: 0000000000000000 RSI: 00000000200003c0 RDI: 0000000000000006 RBP: 000000000073bfa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f36a8f166d4 R13: 00000000004c54b8 R14: 00000000004d91a0 R15: 00000000ffffffff tipc: 32-bit node address hash set to 251414ac tipc: Enabled bearer , priority 10 tipc: Started in network mode tipc: Own node identity ac141425, cluster identity 4711 tipc: New replicast peer: 172.20.20.187 BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor3/7519 caller is dst_cache_get+0x33/0xa0 net/core/dst_cache.c:68 CPU: 0 PID: 7519 Comm: syz-executor3 Not tainted 5.6.0-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+0x12d/0x187 lib/dump_stack.c:118 check_preemption_disabled lib/smp_processor_id.c:47 [inline] debug_smp_processor_id.cold.1+0x84/0x9e lib/smp_processor_id.c:57 dst_cache_get+0x33/0xa0 net/core/dst_cache.c:68 tipc_udp_xmit.isra.15+0xab/0xcd0 net/tipc/udp_media.c:164 tipc_udp_send_msg+0x229/0x3d0 net/tipc/udp_media.c:257 tipc_bearer_xmit_skb+0x1a5/0x370 net/tipc/bearer.c:526 tipc_enable_bearer+0x859/0xbb0 net/tipc/bearer.c:331 __tipc_nl_bearer_enable+0x265/0x390 net/tipc/bearer.c:995 tipc_nl_bearer_enable+0x1d/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+0x5e1/0x10f0 net/netlink/genetlink.c:735 netlink_rcv_skb+0x13f/0x380 net/netlink/af_netlink.c:2478 genl_rcv+0x23/0x40 net/netlink/genetlink.c:746 netlink_unicast_kernel net/netlink/af_netlink.c:1303 [inline] netlink_unicast+0x479/0x6c0 net/netlink/af_netlink.c:1329 netlink_sendmsg+0x7ab/0xd50 net/netlink/af_netlink.c:1918 sock_sendmsg_nosec net/socket.c:652 [inline] sock_sendmsg+0xe6/0x110 net/socket.c:672 ____sys_sendmsg+0x603/0x980 net/socket.c:2345 ___sys_sendmsg+0xe4/0x160 net/socket.c:2399 __sys_sendmsg+0xd9/0x180 net/socket.c:2432 __do_sys_sendmsg net/socket.c:2441 [inline] __se_sys_sendmsg net/socket.c:2439 [inline] __x64_sys_sendmsg+0x73/0xb0 net/socket.c:2439 do_syscall_64+0xd0/0x630 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4581d9 Code: 6d 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 3b b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f60dc90fc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004581d9 RDX: 0000000000000000 RSI: 00000000200003c0 RDI: 0000000000000004 RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f60dc9106d4 R13: 00000000004c54b8 R14: 00000000004d91a0 R15: 00000000ffffffff tipc: 32-bit node address hash set to 251414ac BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor3/7519 caller is dst_cache_set_ip4+0x97/0x2e0 net/core/dst_cache.c:98 CPU: 0 PID: 7519 Comm: syz-executor3 Not tainted 5.6.0-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+0x12d/0x187 lib/dump_stack.c:118 check_preemption_disabled lib/smp_processor_id.c:47 [inline] debug_smp_processor_id.cold.1+0x84/0x9e lib/smp_processor_id.c:57 dst_cache_set_ip4+0x97/0x2e0 net/core/dst_cache.c:98 tipc_udp_xmit.isra.15+0x7aa/0xcd0 net/tipc/udp_media.c:182 tipc_udp_send_msg+0x229/0x3d0 net/tipc/udp_media.c:257 tipc_bearer_xmit_skb+0x1a5/0x370 net/tipc/bearer.c:526 tipc_enable_bearer+0x859/0xbb0 net/tipc/bearer.c:331 __tipc_nl_bearer_enable+0x265/0x390 net/tipc/bearer.c:995 tipc_nl_bearer_enable+0x1d/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+0x5e1/0x10f0 net/netlink/genetlink.c:735 netlink_rcv_skb+0x13f/0x380 net/netlink/af_netlink.c:2478 genl_rcv+0x23/0x40 net/netlink/genetlink.c:746 netlink_unicast_kernel net/netlink/af_netlink.c:1303 [inline] netlink_unicast+0x479/0x6c0 net/netlink/af_netlink.c:1329 netlink_sendmsg+0x7ab/0xd50 net/netlink/af_netlink.c:1918 sock_sendmsg_nosec net/socket.c:652 [inline] sock_sendmsg+0xe6/0x110 net/socket.c:672 ____sys_sendmsg+0x603/0x980 net/socket.c:2345 ___sys_sendmsg+0xe4/0x160 net/socket.c:2399 __sys_sendmsg+0xd9/0x180 net/socket.c:2432 __do_sys_sendmsg net/socket.c:2441 [inline] __se_sys_sendmsg net/socket.c:2439 [inline] __x64_sys_sendmsg+0x73/0xb0 net/socket.c:2439 do_syscall_64+0xd0/0x630 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4581d9 Code: 6d 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 3b b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f60dc90fc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004581d9 RDX: 0000000000000000 RSI: 00000000200003c0 RDI: 0000000000000004 RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f60dc9106d4 R13: 00000000004c54b8 R14: 00000000004d91a0 R15: 00000000ffffffff tipc: Enabled bearer , priority 10 tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Started in network mode tipc: Own node identity ac141425, cluster identity 4711 tipc: New replicast peer: 172.20.20.187 BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor5/7536 caller is dst_cache_get+0x33/0xa0 net/core/dst_cache.c:68 CPU: 0 PID: 7536 Comm: syz-executor5 Not tainted 5.6.0-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+0x12d/0x187 lib/dump_stack.c:118 check_preemption_disabled lib/smp_processor_id.c:47 [inline] debug_smp_processor_id.cold.1+0x84/0x9e lib/smp_processor_id.c:57 dst_cache_get+0x33/0xa0 net/core/dst_cache.c:68 tipc_udp_xmit.isra.15+0xab/0xcd0 net/tipc/udp_media.c:164 tipc_udp_send_msg+0x229/0x3d0 net/tipc/udp_media.c:257 tipc_bearer_xmit_skb+0x1a5/0x370 net/tipc/bearer.c:526 tipc_enable_bearer+0x859/0xbb0 net/tipc/bearer.c:331 __tipc_nl_bearer_enable+0x265/0x390 net/tipc/bearer.c:995 tipc_nl_bearer_enable+0x1d/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+0x5e1/0x10f0 net/netlink/genetlink.c:735 netlink_rcv_skb+0x13f/0x380 net/netlink/af_netlink.c:2478 genl_rcv+0x23/0x40 net/netlink/genetlink.c:746 netlink_unicast_kernel net/netlink/af_netlink.c:1303 [inline] netlink_unicast+0x479/0x6c0 net/netlink/af_netlink.c:1329 netlink_sendmsg+0x7ab/0xd50 net/netlink/af_netlink.c:1918 sock_sendmsg_nosec net/socket.c:652 [inline] sock_sendmsg+0xe6/0x110 net/socket.c:672 ____sys_sendmsg+0x603/0x980 net/socket.c:2345 ___sys_sendmsg+0xe4/0x160 net/socket.c:2399 __sys_sendmsg+0xd9/0x180 net/socket.c:2432 __do_sys_sendmsg net/socket.c:2441 [inline] __se_sys_sendmsg net/socket.c:2439 [inline] __x64_sys_sendmsg+0x73/0xb0 net/socket.c:2439 do_syscall_64+0xd0/0x630 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4581d9 Code: 6d 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 3b b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f894d013c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004581d9 RDX: 0000000000000000 RSI: 00000000200003c0 RDI: 0000000000000006 RBP: 000000000073bfa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f894d0146d4 R13: 00000000004c54b8 R14: 00000000004d91a0 R15: 00000000ffffffff tipc: 32-bit node address hash set to 251414ac BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor5/7536 caller is dst_cache_set_ip4+0x97/0x2e0 net/core/dst_cache.c:98 CPU: 1 PID: 7536 Comm: syz-executor5 Not tainted 5.6.0-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+0x12d/0x187 lib/dump_stack.c:118 check_preemption_disabled lib/smp_processor_id.c:47 [inline] debug_smp_processor_id.cold.1+0x84/0x9e lib/smp_processor_id.c:57 dst_cache_set_ip4+0x97/0x2e0 net/core/dst_cache.c:98 tipc_udp_xmit.isra.15+0x7aa/0xcd0 net/tipc/udp_media.c:182 tipc_udp_send_msg+0x229/0x3d0 net/tipc/udp_media.c:257 tipc_bearer_xmit_skb+0x1a5/0x370 net/tipc/bearer.c:526 tipc_enable_bearer+0x859/0xbb0 net/tipc/bearer.c:331 __tipc_nl_bearer_enable+0x265/0x390 net/tipc/bearer.c:995 tipc_nl_bearer_enable+0x1d/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+0x5e1/0x10f0 net/netlink/genetlink.c:735 netlink_rcv_skb+0x13f/0x380 net/netlink/af_netlink.c:2478 genl_rcv+0x23/0x40 net/netlink/genetlink.c:746 netlink_unicast_kernel net/netlink/af_netlink.c:1303 [inline] netlink_unicast+0x479/0x6c0 net/netlink/af_netlink.c:1329 netlink_sendmsg+0x7ab/0xd50 net/netlink/af_netlink.c:1918 sock_sendmsg_nosec net/socket.c:652 [inline] sock_sendmsg+0xe6/0x110 net/socket.c:672 ____sys_sendmsg+0x603/0x980 net/socket.c:2345 ___sys_sendmsg+0xe4/0x160 net/socket.c:2399 __sys_sendmsg+0xd9/0x180 net/socket.c:2432 __do_sys_sendmsg net/socket.c:2441 [inline] __se_sys_sendmsg net/socket.c:2439 [inline] __x64_sys_sendmsg+0x73/0xb0 net/socket.c:2439 do_syscall_64+0xd0/0x630 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4581d9 Code: 6d 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 3b b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f894d013c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004581d9 RDX: 0000000000000000 RSI: 00000000200003c0 RDI: 0000000000000006 RBP: 000000000073bfa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f894d0146d4 R13: 00000000004c54b8 R14: 00000000004d91a0 R15: 00000000ffffffff tipc: Enabled bearer , priority 10 tipc: Enabling of bearer rejected, already enabled tipc: Started in network mode tipc: Own node identity ac141425, cluster identity 4711 tipc: New replicast peer: 172.20.20.187 BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor1/7551 caller is dst_cache_get+0x33/0xa0 net/core/dst_cache.c:68 CPU: 0 PID: 7551 Comm: syz-executor1 Not tainted 5.6.0-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+0x12d/0x187 lib/dump_stack.c:118 check_preemption_disabled lib/smp_processor_id.c:47 [inline] debug_smp_processor_id.cold.1+0x84/0x9e lib/smp_processor_id.c:57 dst_cache_get+0x33/0xa0 net/core/dst_cache.c:68 tipc_udp_xmit.isra.15+0xab/0xcd0 net/tipc/udp_media.c:164 tipc_udp_send_msg+0x229/0x3d0 net/tipc/udp_media.c:257 tipc_bearer_xmit_skb+0x1a5/0x370 net/tipc/bearer.c:526 tipc_enable_bearer+0x859/0xbb0 net/tipc/bearer.c:331 __tipc_nl_bearer_enable+0x265/0x390 net/tipc/bearer.c:995 tipc_nl_bearer_enable+0x1d/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+0x5e1/0x10f0 net/netlink/genetlink.c:735 netlink_rcv_skb+0x13f/0x380 net/netlink/af_netlink.c:2478 genl_rcv+0x23/0x40 net/netlink/genetlink.c:746 netlink_unicast_kernel net/netlink/af_netlink.c:1303 [inline] netlink_unicast+0x479/0x6c0 net/netlink/af_netlink.c:1329 netlink_sendmsg+0x7ab/0xd50 net/netlink/af_netlink.c:1918 sock_sendmsg_nosec net/socket.c:652 [inline] sock_sendmsg+0xe6/0x110 net/socket.c:672 ____sys_sendmsg+0x603/0x980 net/socket.c:2345 ___sys_sendmsg+0xe4/0x160 net/socket.c:2399 __sys_sendmsg+0xd9/0x180 net/socket.c:2432 __do_sys_sendmsg net/socket.c:2441 [inline] __se_sys_sendmsg net/socket.c:2439 [inline] __x64_sys_sendmsg+0x73/0xb0 net/socket.c:2439 do_syscall_64+0xd0/0x630 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4581d9 Code: 6d 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 3b b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007efcf11e8c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004581d9 RDX: 0000000000000000 RSI: 00000000200003c0 RDI: 0000000000000006 RBP: 000000000073bfa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007efcf11e96d4 R13: 00000000004c54b8 R14: 00000000004d91a0 R15: 00000000ffffffff tipc: 32-bit node address hash set to 251414ac tipc: Enabled bearer , priority 10 tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: 32-bit node address hash set to 251414ac tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled tipc: Enabling of bearer rejected, already enabled